* Top-level entry points into osd module
*
* Author: Nikita Danilov <nikita@clusterfs.com>
+ * Pravin Shelar <pravin.shelar@sun.com> : Added fid in dirent
*/
#ifndef EXPORT_SYMTAB
#include <linux/fs.h>
/* XATTR_{REPLACE,CREATE} */
#include <linux/xattr.h>
-/*
- * XXX temporary stuff: direct access to ldiskfs/jdb. Interface between osd
- * and file system is not yet specified.
- */
-/* handle_t, journal_start(), journal_stop() */
-#include <linux/jbd.h>
-/* LDISKFS_SB() */
-#include <linux/ldiskfs_fs.h>
-#include <linux/ldiskfs_jbd.h>
/* simple_mkdir() */
#include <lvfs.h>
/* fid_is_local() */
#include <lustre_fid.h>
-#include <linux/lustre_iam.h>
#include "osd_internal.h"
#include "osd_igif.h"
+/* llo_* api support */
+#include <md_object.h>
+
+static const char dot[] = ".";
+static const char dotdot[] = "..";
+static const char remote_obj_dir[] = "REM_OBJ_DIR";
+
struct osd_directory {
struct iam_container od_container;
struct iam_descr od_descr;
- struct semaphore od_sem;
};
struct osd_object {
* creation, or assigned by osd_object_create() under write lock).
*/
struct inode *oo_inode;
- struct rw_semaphore oo_sem;
+ /**
+ * to protect index ops.
+ */
+ cfs_rw_semaphore_t oo_ext_idx_sem;
+ cfs_rw_semaphore_t oo_sem;
struct osd_directory *oo_dir;
/** protects inode attributes. */
- spinlock_t oo_guard;
+ cfs_spinlock_t oo_guard;
+ /**
+ * Following two members are used to indicate the presence of dot and
+ * dotdot in the given directory. This is required for interop mode
+ * (b11826).
+ */
+ int oo_compat_dot_created;
+ int oo_compat_dotdot_created;
+
const struct lu_env *oo_owner;
#ifdef CONFIG_LOCKDEP
struct lockdep_map oo_dep_map;
#endif
};
-static int osd_root_get (const struct lu_env *env,
- struct dt_device *dev, struct lu_fid *f);
-
-static int lu_device_is_osd (const struct lu_device *d);
-static void osd_mod_exit (void) __exit;
-static int osd_mod_init (void) __init;
-static int osd_type_init (struct lu_device_type *t);
-static void osd_type_fini (struct lu_device_type *t);
-static int osd_object_init (const struct lu_env *env,
- struct lu_object *l,
- const struct lu_object_conf *_);
-static void osd_object_release(const struct lu_env *env,
- struct lu_object *l);
-static int osd_object_print (const struct lu_env *env, void *cookie,
- lu_printer_t p, const struct lu_object *o);
-static struct lu_device *osd_device_free (const struct lu_env *env,
- struct lu_device *m);
-static void *osd_key_init (const struct lu_context *ctx,
- struct lu_context_key *key);
-static void osd_key_fini (const struct lu_context *ctx,
- struct lu_context_key *key, void *data);
-static void osd_key_exit (const struct lu_context *ctx,
- struct lu_context_key *key, void *data);
-static int osd_has_index (const struct osd_object *obj);
-static void osd_object_init0 (struct osd_object *obj);
-static int osd_device_init (const struct lu_env *env,
- struct lu_device *d, const char *,
- struct lu_device *);
-static int osd_fid_lookup (const struct lu_env *env,
- struct osd_object *obj,
- const struct lu_fid *fid);
-static void osd_inode_getattr (const struct lu_env *env,
- struct inode *inode, struct lu_attr *attr);
-static void osd_inode_setattr (const struct lu_env *env,
- struct inode *inode, const struct lu_attr *attr);
-static int osd_param_is_sane (const struct osd_device *dev,
- const struct txn_param *param);
-static int osd_index_lookup (const struct lu_env *env,
- struct dt_object *dt,
- struct dt_rec *rec, const struct dt_key *key,
- struct lustre_capa *capa);
-static int osd_index_insert (const struct lu_env *env,
- struct dt_object *dt,
- const struct dt_rec *rec,
- const struct dt_key *key,
- struct thandle *handle,
- struct lustre_capa *capa);
-static int osd_index_delete (const struct lu_env *env,
- struct dt_object *dt, const struct dt_key *key,
- struct thandle *handle,
- struct lustre_capa *capa);
-static int osd_index_probe (const struct lu_env *env,
- struct osd_object *o,
- const struct dt_index_features *feat);
-static int osd_index_try (const struct lu_env *env,
- struct dt_object *dt,
- const struct dt_index_features *feat);
-static void osd_index_fini (struct osd_object *o);
-
-static void osd_it_fini (const struct lu_env *env, struct dt_it *di);
-static int osd_it_get (const struct lu_env *env,
- struct dt_it *di, const struct dt_key *key);
-static void osd_it_put (const struct lu_env *env, struct dt_it *di);
-static int osd_it_next (const struct lu_env *env, struct dt_it *di);
-static int osd_it_del (const struct lu_env *env, struct dt_it *di,
- struct thandle *th);
-static int osd_it_key_size (const struct lu_env *env,
- const struct dt_it *di);
-static void osd_conf_get (const struct lu_env *env,
- const struct dt_device *dev,
- struct dt_device_param *param);
-static void osd_trans_stop (const struct lu_env *env,
- struct thandle *th);
-static int osd_object_is_root(const struct osd_object *obj);
-
-static struct osd_object *osd_obj (const struct lu_object *o);
-static struct osd_device *osd_dev (const struct lu_device *d);
-static struct osd_device *osd_dt_dev (const struct dt_device *d);
-static struct osd_object *osd_dt_obj (const struct dt_object *d);
-static struct osd_device *osd_obj2dev (const struct osd_object *o);
-static struct lu_device *osd2lu_dev (struct osd_device *osd);
-static struct lu_device *osd_device_fini (const struct lu_env *env,
- struct lu_device *d);
-static struct lu_device *osd_device_alloc (const struct lu_env *env,
- struct lu_device_type *t,
- struct lustre_cfg *cfg);
-static struct lu_object *osd_object_alloc (const struct lu_env *env,
- const struct lu_object_header *hdr,
- struct lu_device *d);
-static struct inode *osd_iget (struct osd_thread_info *info,
- struct osd_device *dev,
- const struct osd_inode_id *id);
-static struct super_block *osd_sb (const struct osd_device *dev);
-static struct dt_it *osd_it_init (const struct lu_env *env,
- struct dt_object *dt, int wable,
- struct lustre_capa *capa);
-static struct dt_key *osd_it_key (const struct lu_env *env,
- const struct dt_it *di);
-static struct dt_rec *osd_it_rec (const struct lu_env *env,
- const struct dt_it *di);
-static struct timespec *osd_inode_time (const struct lu_env *env,
- struct inode *inode,
- __u64 seconds);
-static struct thandle *osd_trans_start (const struct lu_env *env,
- struct dt_device *d,
- struct txn_param *p);
-static journal_t *osd_journal (const struct osd_device *dev);
-
-static struct lu_device_type_operations osd_device_type_ops;
-static struct lu_device_type osd_device_type;
-static struct lu_object_operations osd_lu_obj_ops;
-static struct obd_ops osd_obd_device_ops;
-static struct lu_device_operations osd_lu_ops;
-static struct lu_context_key osd_key;
-static struct dt_object_operations osd_obj_ops;
-static struct dt_body_operations osd_body_ops;
-static struct dt_index_operations osd_index_ops;
-static struct dt_index_operations osd_index_compat_ops;
+static const struct lu_object_operations osd_lu_obj_ops;
+static const struct lu_device_operations osd_lu_ops;
+static struct lu_context_key osd_key;
+static const struct dt_object_operations osd_obj_ops;
+static const struct dt_object_operations osd_obj_ea_ops;
+static const struct dt_body_operations osd_body_ops;
+static const struct dt_index_operations osd_index_iam_ops;
+static const struct dt_index_operations osd_index_ea_ops;
struct osd_thandle {
struct thandle ot_super;
};
/*
- * Invariants, assertions.
+ * Helpers.
*/
+static int lu_device_is_osd(const struct lu_device *d)
+{
+ return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &osd_lu_ops);
+}
-/*
- * XXX: do not enable this, until invariant checking code is made thread safe
- * in the face of pdirops locking.
- */
-#define OSD_INVARIANT_CHECKS (0)
+static struct osd_device *osd_dt_dev(const struct dt_device *d)
+{
+ LASSERT(lu_device_is_osd(&d->dd_lu_dev));
+ return container_of0(d, struct osd_device, od_dt_dev);
+}
+
+static struct osd_device *osd_dev(const struct lu_device *d)
+{
+ LASSERT(lu_device_is_osd(d));
+ return osd_dt_dev(container_of0(d, struct dt_device, dd_lu_dev));
+}
-#if OSD_INVARIANT_CHECKS
-static int osd_invariant(const struct osd_object *obj)
+static struct osd_device *osd_obj2dev(const struct osd_object *o)
{
- return
- obj != NULL &&
- ergo(obj->oo_inode != NULL,
- obj->oo_inode->i_sb == osd_sb(osd_obj2dev(obj)) &&
- atomic_read(&obj->oo_inode->i_count) > 0) &&
- ergo(obj->oo_dir != NULL &&
- obj->oo_dir->od_conationer.ic_object != NULL,
- obj->oo_dir->od_conationer.ic_object == obj->oo_inode);
+ return osd_dev(o->oo_dt.do_lu.lo_dev);
+}
+
+static struct super_block *osd_sb(const struct osd_device *dev)
+{
+ return dev->od_mount->lmi_mnt->mnt_sb;
+}
+
+static int osd_object_is_root(const struct osd_object *obj)
+{
+ return osd_sb(osd_obj2dev(obj))->s_root->d_inode == obj->oo_inode;
+}
+
+static struct osd_object *osd_obj(const struct lu_object *o)
+{
+ LASSERT(lu_device_is_osd(o->lo_dev));
+ return container_of0(o, struct osd_object, oo_dt.do_lu);
+}
+
+static struct osd_object *osd_dt_obj(const struct dt_object *d)
+{
+ return osd_obj(&d->do_lu);
+}
+
+static struct lu_device *osd2lu_dev(struct osd_device *osd)
+{
+ return &osd->od_dt_dev.dd_lu_dev;
+}
+
+static journal_t *osd_journal(const struct osd_device *dev)
+{
+ return LDISKFS_SB(osd_sb(dev))->s_journal;
+}
+
+static int osd_has_index(const struct osd_object *obj)
+{
+ return obj->oo_dt.do_index_ops != NULL;
+}
+
+static int osd_object_invariant(const struct lu_object *l)
+{
+ return osd_invariant(osd_obj(l));
+}
+
+#ifdef HAVE_QUOTA_SUPPORT
+static inline void
+osd_push_ctxt(const struct lu_env *env, struct osd_ctxt *save)
+{
+ struct md_ucred *uc = md_ucred(env);
+
+ LASSERT(uc != NULL);
+
+ save->oc_uid = current->fsuid;
+ save->oc_gid = current->fsgid;
+ save->oc_cap = current->cap_effective;
+ current->fsuid = uc->mu_fsuid;
+ current->fsgid = uc->mu_fsgid;
+ current->cap_effective = uc->mu_cap;
+}
+
+static inline void
+osd_pop_ctxt(struct osd_ctxt *save)
+{
+ current->fsuid = save->oc_uid;
+ current->fsgid = save->oc_gid;
+ current->cap_effective = save->oc_cap;
}
-#else
-#define osd_invariant(obj) (1)
#endif
static inline struct osd_thread_info *osd_oti_get(const struct lu_env *env)
l = &mo->oo_dt.do_lu;
dt_object_init(&mo->oo_dt, NULL, d);
- mo->oo_dt.do_ops = &osd_obj_ops;
+ if (osd_dev(d)->od_iop_mode)
+ mo->oo_dt.do_ops = &osd_obj_ea_ops;
+ else
+ mo->oo_dt.do_ops = &osd_obj_ops;
+
l->lo_ops = &osd_lu_obj_ops;
- init_rwsem(&mo->oo_sem);
- spin_lock_init(&mo->oo_guard);
+ cfs_init_rwsem(&mo->oo_sem);
+ cfs_init_rwsem(&mo->oo_ext_idx_sem);
+ cfs_spin_lock_init(&mo->oo_guard);
return l;
} else
return NULL;
}
/*
+ * retrieve object from backend ext fs.
+ **/
+static struct inode *osd_iget(struct osd_thread_info *info,
+ struct osd_device *dev,
+ const struct osd_inode_id *id)
+{
+ struct inode *inode = NULL;
+
+#ifdef HAVE_EXT4_LDISKFS
+ inode = ldiskfs_iget(osd_sb(dev), id->oii_ino);
+ if (IS_ERR(inode))
+ /* Newer kernels return an error instead of a NULL pointer */
+ inode = NULL;
+#else
+ inode = iget(osd_sb(dev), id->oii_ino);
+#endif
+ if (inode == NULL) {
+ CERROR("no inode\n");
+ inode = ERR_PTR(-EACCES);
+ } else if (id->oii_gen != OSD_OII_NOGEN &&
+ inode->i_generation != id->oii_gen) {
+ iput(inode);
+ inode = ERR_PTR(-ESTALE);
+ } else if (inode->i_nlink == 0) {
+ /* due to parallel readdir and unlink,
+ * we can have dead inode here. */
+ CWARN("stale inode\n");
+ make_bad_inode(inode);
+ iput(inode);
+ inode = ERR_PTR(-ESTALE);
+ } else if (is_bad_inode(inode)) {
+ CERROR("bad inode %lx\n",inode->i_ino);
+ iput(inode);
+ inode = ERR_PTR(-ENOENT);
+ }
+ return inode;
+}
+
+static int osd_fid_lookup(const struct lu_env *env,
+ struct osd_object *obj, const struct lu_fid *fid)
+{
+ struct osd_thread_info *info;
+ struct lu_device *ldev = obj->oo_dt.do_lu.lo_dev;
+ struct osd_device *dev;
+ struct osd_inode_id *id;
+ struct osd_oi *oi;
+ struct inode *inode;
+ int result;
+
+ LINVRNT(osd_invariant(obj));
+ LASSERT(obj->oo_inode == NULL);
+ LASSERT(fid_is_sane(fid));
+ /*
+ * This assertion checks that osd layer sees only local
+ * fids. Unfortunately it is somewhat expensive (does a
+ * cache-lookup). Disabling it for production/acceptance-testing.
+ */
+ LASSERT(1 || fid_is_local(env, ldev->ld_site, fid));
+
+ ENTRY;
+
+ info = osd_oti_get(env);
+ dev = osd_dev(ldev);
+ id = &info->oti_id;
+ oi = &dev->od_oi;
+
+ if (OBD_FAIL_CHECK(OBD_FAIL_OST_ENOENT))
+ RETURN(-ENOENT);
+
+ result = osd_oi_lookup(info, oi, fid, id);
+ if (result == 0) {
+ inode = osd_iget(info, dev, id);
+ if (!IS_ERR(inode)) {
+ obj->oo_inode = inode;
+ LASSERT(obj->oo_inode->i_sb == osd_sb(dev));
+ if (dev->od_iop_mode) {
+ obj->oo_compat_dot_created = 1;
+ obj->oo_compat_dotdot_created = 1;
+ }
+ result = 0;
+ } else
+ /*
+ * If fid wasn't found in oi, inode-less object is
+ * created, for which lu_object_exists() returns
+ * false. This is used in a (frequent) case when
+ * objects are created as locking anchors or
+ * place holders for objects yet to be created.
+ */
+ result = PTR_ERR(inode);
+ } else if (result == -ENOENT)
+ result = 0;
+ LINVRNT(osd_invariant(obj));
+
+ RETURN(result);
+}
+
+/*
* Concurrency: shouldn't matter.
*/
static void osd_object_init0(struct osd_object *obj)
* life-cycle.
*/
static int osd_object_init(const struct lu_env *env, struct lu_object *l,
- const struct lu_object_conf *_)
+ const struct lu_object_conf *unused)
{
struct osd_object *obj = osd_obj(l);
int result;
OBD_FREE_PTR(obj);
}
-static struct iam_path_descr *osd_ipd_get(const struct lu_env *env,
- const struct iam_container *bag)
+/**
+ * IAM Iterator
+ */
+static struct iam_path_descr *osd_it_ipd_get(const struct lu_env *env,
+ const struct iam_container *bag)
+{
+ return bag->ic_descr->id_ops->id_ipd_alloc(bag,
+ osd_oti_get(env)->oti_it_ipd);
+}
+
+static struct iam_path_descr *osd_idx_ipd_get(const struct lu_env *env,
+ const struct iam_container *bag)
{
return bag->ic_descr->id_ops->id_ipd_alloc(bag,
- osd_oti_get(env)->oti_ipd);
+ osd_oti_get(env)->oti_idx_ipd);
}
static void osd_ipd_put(const struct lu_env *env,
};
/*
- * Concurrency: no concurrent access is possible that late in object
- * life-cycle.
+ * Journal
*/
-static int osd_inode_remove(const struct lu_env *env, struct osd_object *obj)
-{
- const struct lu_fid *fid = lu_object_fid(&obj->oo_dt.do_lu);
- struct osd_device *osd = osd_obj2dev(obj);
- struct osd_thread_info *oti = osd_oti_get(env);
- struct txn_param *prm = &oti->oti_txn;
- struct thandle *th;
- int result;
- txn_param_init(prm, OSD_TXN_OI_DELETE_CREDITS +
- OSD_TXN_INODE_DELETE_CREDITS);
- th = osd_trans_start(env, &osd->od_dt_dev, prm);
- if (!IS_ERR(th)) {
- result = osd_oi_delete(oti, &osd->od_oi, fid, th);
- osd_trans_stop(env, th);
- } else
- result = PTR_ERR(th);
- return result;
+/*
+ * Concurrency: doesn't access mutable data.
+ */
+static int osd_param_is_sane(const struct osd_device *dev,
+ const struct txn_param *param)
+{
+ return param->tp_credits <= osd_journal(dev)->j_max_transaction_buffers;
}
/*
- * Called just before object is freed. Releases all resources except for
- * object itself (that is released by osd_object_free()).
- *
- * Concurrency: no concurrent access is possible that late in object
- * life-cycle.
+ * Concurrency: shouldn't matter.
*/
-static void osd_object_delete(const struct lu_env *env, struct lu_object *l)
+static void osd_trans_commit_cb(struct journal_callback *jcb, int error)
{
- struct osd_object *obj = osd_obj(l);
- struct inode *inode = obj->oo_inode;
-
- LINVRNT(osd_invariant(obj));
-
- /*
- * If object is unlinked remove fid->ino mapping from object index.
- *
- * File body will be deleted by iput().
- */
+ struct osd_thandle *oh = container_of0(jcb, struct osd_thandle, ot_jcb);
+ struct thandle *th = &oh->ot_super;
+ struct dt_device *dev = th->th_dev;
+ struct lu_device *lud = &dev->dd_lu_dev;
- osd_index_fini(obj);
- if (inode != NULL) {
- int result;
+ LASSERT(dev != NULL);
+ LASSERT(oh->ot_handle == NULL);
- if (osd_inode_unlinked(inode)) {
- result = osd_inode_remove(env, obj);
- if (result != 0)
- LU_OBJECT_DEBUG(D_ERROR, env, l,
- "Failed to cleanup: %d\n",
- result);
- }
- iput(inode);
- obj->oo_inode = NULL;
+ if (error) {
+ CERROR("transaction @0x%p commit error: %d\n", th, error);
+ } else {
+ struct lu_env *env = &osd_dt_dev(dev)->od_env_for_commit;
+ /*
+ * This od_env_for_commit is only for commit usage. see
+ * "struct dt_device"
+ */
+ lu_context_enter(&env->le_ctx);
+ dt_txn_hook_commit(env, th);
+ lu_context_exit(&env->le_ctx);
}
-}
-/*
- * Concurrency: ->loo_object_release() is called under site spin-lock.
- */
-static void osd_object_release(const struct lu_env *env,
- struct lu_object *l)
-{
- struct osd_object *o = osd_obj(l);
+ lu_ref_del_at(&lud->ld_reference, oh->ot_dev_link, "osd-tx", th);
+ lu_device_put(lud);
+ th->th_dev = NULL;
- LASSERT(!lu_object_is_dying(l->lo_header));
- if (o->oo_inode != NULL && osd_inode_unlinked(o->oo_inode))
- set_bit(LU_OBJECT_HEARD_BANSHEE, &l->lo_header->loh_flags);
+ lu_context_exit(&th->th_ctx);
+ lu_context_fini(&th->th_ctx);
+ OBD_FREE_PTR(oh);
}
/*
* Concurrency: shouldn't matter.
*/
-static int osd_object_print(const struct lu_env *env, void *cookie,
- lu_printer_t p, const struct lu_object *l)
-{
- struct osd_object *o = osd_obj(l);
- struct iam_descr *d;
-
- if (o->oo_dir != NULL)
- d = o->oo_dir->od_container.ic_descr;
- else
- d = NULL;
- return (*p)(env, cookie, LUSTRE_OSD_NAME"-object@%p(i:%p:%lu/%u)[%s]",
- o, o->oo_inode,
- o->oo_inode ? o->oo_inode->i_ino : 0UL,
- o->oo_inode ? o->oo_inode->i_generation : 0,
- d ? d->id_ops->id_name : "plain");
-}
-
-/*
- * Concurrency: shouldn't matter.
- */
-int osd_statfs(const struct lu_env *env, struct dt_device *d,
- struct kstatfs *sfs)
-{
- struct osd_device *osd = osd_dt_dev(d);
- struct super_block *sb = osd_sb(osd);
- int result = 0;
-
- spin_lock(&osd->od_osfs_lock);
- /* cache 1 second */
- if (cfs_time_before_64(osd->od_osfs_age, cfs_time_shift_64(-1))) {
- result = ll_do_statfs(sb, &osd->od_kstatfs);
- if (likely(result == 0)) /* N.B. statfs can't really fail */
- osd->od_osfs_age = cfs_time_current_64();
- }
-
- if (likely(result == 0))
- *sfs = osd->od_kstatfs;
- spin_unlock(&osd->od_osfs_lock);
-
- return result;
-}
-
-/*
- * Concurrency: doesn't access mutable data.
- */
-static void osd_conf_get(const struct lu_env *env,
- const struct dt_device *dev,
- struct dt_device_param *param)
-{
- /*
- * XXX should be taken from not-yet-existing fs abstraction layer.
- */
- param->ddp_max_name_len = LDISKFS_NAME_LEN;
- param->ddp_max_nlink = LDISKFS_LINK_MAX;
- param->ddp_block_shift = osd_sb(osd_dt_dev(dev))->s_blocksize_bits;
-}
-
-/*
- * Journal
- */
-
-/*
- * Concurrency: doesn't access mutable data.
- */
-static int osd_param_is_sane(const struct osd_device *dev,
- const struct txn_param *param)
-{
- return param->tp_credits <= osd_journal(dev)->j_max_transaction_buffers;
-}
-
-/*
- * Concurrency: shouldn't matter.
- */
-static void osd_trans_commit_cb(struct journal_callback *jcb, int error)
-{
- struct osd_thandle *oh = container_of0(jcb, struct osd_thandle, ot_jcb);
- struct thandle *th = &oh->ot_super;
- struct dt_device *dev = th->th_dev;
- struct lu_device *lud = &dev->dd_lu_dev;
-
- LASSERT(dev != NULL);
- LASSERT(oh->ot_handle == NULL);
-
- if (error) {
- CERROR("transaction @0x%p commit error: %d\n", th, error);
- } else {
- struct lu_env *env = &osd_dt_dev(dev)->od_env_for_commit;
- /*
- * This od_env_for_commit is only for commit usage. see
- * "struct dt_device"
- */
- lu_context_enter(&env->le_ctx);
- dt_txn_hook_commit(env, th);
- lu_context_exit(&env->le_ctx);
- }
-
- lu_ref_del_at(&lud->ld_reference, oh->ot_dev_link, "osd-tx", th);
- lu_device_put(lud);
- th->th_dev = NULL;
-
- lu_context_exit(&th->th_ctx);
- lu_context_fini(&th->th_ctx);
- OBD_FREE_PTR(oh);
-}
-
-/*
- * Concurrency: shouldn't matter.
- */
-static struct thandle *osd_trans_start(const struct lu_env *env,
- struct dt_device *d,
- struct txn_param *p)
+static struct thandle *osd_trans_start(const struct lu_env *env,
+ struct dt_device *d,
+ struct txn_param *p)
{
struct osd_device *dev = osd_dt_dev(d);
handle_t *jh;
* be used.
*/
- jh = journal_start(osd_journal(dev), p->tp_credits);
+ jh = ldiskfs_journal_start_sb(osd_sb(dev), p->tp_credits);
if (!IS_ERR(jh)) {
oh->ot_handle = jh;
th = &oh->ot_super;
/* add commit callback */
lu_context_init(&th->th_ctx, LCT_TX_HANDLE);
lu_context_enter(&th->th_ctx);
- journal_callback_set(jh, osd_trans_commit_cb,
- (struct journal_callback *)&oh->ot_jcb);
+ osd_journal_callback_set(jh, osd_trans_commit_cb,
+ (struct journal_callback *)&oh->ot_jcb);
LASSERT(oti->oti_txns == 0);
LASSERT(oti->oti_r_locks == 0);
LASSERT(oti->oti_w_locks == 0);
if (result != 0)
CERROR("Failure in transaction hook: %d\n", result);
oh->ot_handle = NULL;
- result = journal_stop(hdl);
+ result = ldiskfs_journal_stop(hdl);
if (result != 0)
CERROR("Failure to stop transaction: %d\n", result);
}
}
/*
+ * Concurrency: no concurrent access is possible that late in object
+ * life-cycle.
+ */
+static int osd_inode_remove(const struct lu_env *env, struct osd_object *obj)
+{
+ const struct lu_fid *fid = lu_object_fid(&obj->oo_dt.do_lu);
+ struct osd_device *osd = osd_obj2dev(obj);
+ struct osd_thread_info *oti = osd_oti_get(env);
+ struct txn_param *prm = &oti->oti_txn;
+ struct lu_env *env_del_obj = &oti->oti_obj_delete_tx_env;
+ struct thandle *th;
+ int result;
+
+ lu_env_init(env_del_obj, LCT_DT_THREAD);
+ txn_param_init(prm, OSD_TXN_OI_DELETE_CREDITS +
+ OSD_TXN_INODE_DELETE_CREDITS);
+ th = osd_trans_start(env_del_obj, &osd->od_dt_dev, prm);
+ if (!IS_ERR(th)) {
+ result = osd_oi_delete(osd_oti_get(env_del_obj),
+ &osd->od_oi, fid, th);
+ osd_trans_stop(env_del_obj, th);
+ } else
+ result = PTR_ERR(th);
+
+ lu_env_fini(env_del_obj);
+ return result;
+}
+
+/*
+ * Called just before object is freed. Releases all resources except for
+ * object itself (that is released by osd_object_free()).
+ *
+ * Concurrency: no concurrent access is possible that late in object
+ * life-cycle.
+ */
+static void osd_object_delete(const struct lu_env *env, struct lu_object *l)
+{
+ struct osd_object *obj = osd_obj(l);
+ struct inode *inode = obj->oo_inode;
+
+ LINVRNT(osd_invariant(obj));
+
+ /*
+ * If object is unlinked remove fid->ino mapping from object index.
+ */
+
+ osd_index_fini(obj);
+ if (inode != NULL) {
+ int result;
+
+ if (osd_inode_unlinked(inode)) {
+ result = osd_inode_remove(env, obj);
+ if (result != 0)
+ LU_OBJECT_DEBUG(D_ERROR, env, l,
+ "Failed to cleanup: %d\n",
+ result);
+ }
+
+ iput(inode);
+ obj->oo_inode = NULL;
+ }
+}
+
+/*
+ * Concurrency: ->loo_object_release() is called under site spin-lock.
+ */
+static void osd_object_release(const struct lu_env *env,
+ struct lu_object *l)
+{
+ struct osd_object *o = osd_obj(l);
+
+ LASSERT(!lu_object_is_dying(l->lo_header));
+ if (o->oo_inode != NULL && osd_inode_unlinked(o->oo_inode))
+ cfs_set_bit(LU_OBJECT_HEARD_BANSHEE, &l->lo_header->loh_flags);
+}
+
+/*
+ * Concurrency: shouldn't matter.
+ */
+static int osd_object_print(const struct lu_env *env, void *cookie,
+ lu_printer_t p, const struct lu_object *l)
+{
+ struct osd_object *o = osd_obj(l);
+ struct iam_descr *d;
+
+ if (o->oo_dir != NULL)
+ d = o->oo_dir->od_container.ic_descr;
+ else
+ d = NULL;
+ return (*p)(env, cookie, LUSTRE_OSD_NAME"-object@%p(i:%p:%lu/%u)[%s]",
+ o, o->oo_inode,
+ o->oo_inode ? o->oo_inode->i_ino : 0UL,
+ o->oo_inode ? o->oo_inode->i_generation : 0,
+ d ? d->id_ops->id_name : "plain");
+}
+
+/*
+ * Concurrency: shouldn't matter.
+ */
+int osd_statfs(const struct lu_env *env, struct dt_device *d,
+ cfs_kstatfs_t *sfs)
+{
+ struct osd_device *osd = osd_dt_dev(d);
+ struct super_block *sb = osd_sb(osd);
+ int result = 0;
+
+ cfs_spin_lock(&osd->od_osfs_lock);
+ /* cache 1 second */
+ if (cfs_time_before_64(osd->od_osfs_age, cfs_time_shift_64(-1))) {
+ result = ll_do_statfs(sb, &osd->od_kstatfs);
+ if (likely(result == 0)) /* N.B. statfs can't really fail */
+ osd->od_osfs_age = cfs_time_current_64();
+ }
+
+ if (likely(result == 0))
+ *sfs = osd->od_kstatfs;
+ cfs_spin_unlock(&osd->od_osfs_lock);
+
+ return result;
+}
+
+/*
+ * Concurrency: doesn't access mutable data.
+ */
+static void osd_conf_get(const struct lu_env *env,
+ const struct dt_device *dev,
+ struct dt_device_param *param)
+{
+ /*
+ * XXX should be taken from not-yet-existing fs abstraction layer.
+ */
+ param->ddp_max_name_len = LDISKFS_NAME_LEN;
+ param->ddp_max_nlink = LDISKFS_LINK_MAX;
+ param->ddp_block_shift = osd_sb(osd_dt_dev(dev))->s_blocksize_bits;
+}
+
+/**
+ * Helper function to get and fill the buffer with input values.
+ */
+static struct lu_buf *osd_buf_get(const struct lu_env *env, void *area, ssize_t len)
+{
+ struct lu_buf *buf;
+
+ buf = &osd_oti_get(env)->oti_buf;
+ buf->lb_buf = area;
+ buf->lb_len = len;
+ return buf;
+}
+
+/*
* Concurrency: shouldn't matter.
*/
static int osd_sync(const struct lu_env *env, struct dt_device *d)
return ldiskfs_force_commit(osd_sb(osd_dt_dev(d)));
}
+/**
+ * Start commit for OSD device.
+ *
+ * An implementation of dt_commit_async method for OSD device.
+ * Asychronously starts underlayng fs sync and thereby a transaction
+ * commit.
+ *
+ * \param env environment
+ * \param d dt device
+ *
+ * \see dt_device_operations
+ */
+static int osd_commit_async(const struct lu_env *env,
+ struct dt_device *d)
+{
+ struct super_block *s = osd_sb(osd_dt_dev(d));
+ ENTRY;
+
+ CDEBUG(D_HA, "async commit OSD %s\n", LUSTRE_OSD_NAME);
+ RETURN(s->s_op->sync_fs(s, 0));
+}
+
/*
* Concurrency: shouldn't matter.
*/
EXIT;
}
+
/*
* Concurrency: serialization provided by callers.
*/
RETURN(0);
}
-/* Note: we did not count into QUOTA here, If we mount with --data_journal
- * we may need more*/
-static const int osd_dto_credits[DTO_NR] = {
- /*
- * Insert/Delete. IAM EXT3_INDEX_EXTRA_TRANS_BLOCKS(8) +
- * EXT3_SINGLEDATA_TRANS_BLOCKS 8 XXX Note: maybe iam need more,since
- * iam have more level than Ext3 htree
+/**
+ * Concurrency: serialization provided by callers.
+ */
+static void osd_init_quota_ctxt(const struct lu_env *env, struct dt_device *d,
+ struct dt_quota_ctxt *ctxt, void *data)
+{
+ struct obd_device *obd = (void *)ctxt;
+ struct vfsmount *mnt = (struct vfsmount *)data;
+ ENTRY;
+
+ obd->u.obt.obt_sb = mnt->mnt_root->d_inode->i_sb;
+ OBD_SET_CTXT_MAGIC(&obd->obd_lvfs_ctxt);
+ obd->obd_lvfs_ctxt.pwdmnt = mnt;
+ obd->obd_lvfs_ctxt.pwd = mnt->mnt_root;
+ obd->obd_lvfs_ctxt.fs = get_ds();
+
+ EXIT;
+}
+
+/**
+ * Note: we do not count into QUOTA here.
+ * If we mount with --data_journal we may need more.
+ */
+static const int osd_dto_credits_noquota[DTO_NR] = {
+ /**
+ * Insert/Delete.
+ * INDEX_EXTRA_TRANS_BLOCKS(8) +
+ * SINGLEDATA_TRANS_BLOCKS(8)
+ * XXX Note: maybe iam need more, since iam have more level than
+ * EXT3 htree.
*/
[DTO_INDEX_INSERT] = 16,
[DTO_INDEX_DELETE] = 16,
+ /**
+ * Unused now
+ */
[DTO_IDNEX_UPDATE] = 16,
- /*
- * Create a object. Same as create object in Ext3 filesystem, but did
- * not count QUOTA i EXT3_DATA_TRANS_BLOCKS(12) +
- * INDEX_EXTRA_BLOCKS(8) + 3(inode bits,groups, GDT)
+ /**
+ * Create a object. The same as create object in EXT3.
+ * DATA_TRANS_BLOCKS(14) +
+ * INDEX_EXTRA_BLOCKS(8) +
+ * 3(inode bits, groups, GDT)
*/
- [DTO_OBJECT_CREATE] = 23,
- [DTO_OBJECT_DELETE] = 23,
- /*
- * Attr set credits 3 inode, group, GDT
+ [DTO_OBJECT_CREATE] = 25,
+ /**
+ * Unused now
+ */
+ [DTO_OBJECT_DELETE] = 25,
+ /**
+ * Attr set credits.
+ * 3(inode bits, group, GDT)
+ */
+ [DTO_ATTR_SET_BASE] = 3,
+ /**
+ * Xattr set. The same as xattr of EXT3.
+ * DATA_TRANS_BLOCKS(14)
+ * XXX Note: in original MDS implmentation INDEX_EXTRA_TRANS_BLOCKS
+ * are also counted in. Do not know why?
+ */
+ [DTO_XATTR_SET] = 14,
+ [DTO_LOG_REC] = 14,
+ /**
+ * creadits for inode change during write.
+ */
+ [DTO_WRITE_BASE] = 3,
+ /**
+ * credits for single block write.
+ */
+ [DTO_WRITE_BLOCK] = 14,
+ /**
+ * Attr set credits for chown.
+ * This is extra credits for setattr, and it is null without quota
+ */
+ [DTO_ATTR_SET_CHOWN]= 0
+};
+
+/**
+ * Note: we count into QUOTA here.
+ * If we mount with --data_journal we may need more.
+ */
+static const int osd_dto_credits_quota[DTO_NR] = {
+ /**
+ * INDEX_EXTRA_TRANS_BLOCKS(8) +
+ * SINGLEDATA_TRANS_BLOCKS(8) +
+ * 2 * QUOTA_TRANS_BLOCKS(2)
+ */
+ [DTO_INDEX_INSERT] = 20,
+ /**
+ * INDEX_EXTRA_TRANS_BLOCKS(8) +
+ * SINGLEDATA_TRANS_BLOCKS(8) +
+ * 2 * QUOTA_TRANS_BLOCKS(2)
+ */
+ [DTO_INDEX_DELETE] = 20,
+ /**
+ * Unused now.
+ */
+ [DTO_IDNEX_UPDATE] = 16,
+ /*
+ * Create a object. Same as create object in EXT3 filesystem.
+ * DATA_TRANS_BLOCKS(16) +
+ * INDEX_EXTRA_BLOCKS(8) +
+ * 3(inode bits, groups, GDT) +
+ * 2 * QUOTA_INIT_BLOCKS(25)
*/
- [DTO_ATTR_SET] = 3,
+ [DTO_OBJECT_CREATE] = 77,
/*
- * XATTR_SET. SAME AS XATTR of EXT3 EXT3_DATA_TRANS_BLOCKS XXX Note:
- * in original MDS implmentation EXT3_INDEX_EXTRA_TRANS_BLOCKS are
- * also counted in. Do not know why?
+ * Unused now.
+ * DATA_TRANS_BLOCKS(16) +
+ * INDEX_EXTRA_BLOCKS(8) +
+ * 3(inode bits, groups, GDT) +
+ * QUOTA(?)
+ */
+ [DTO_OBJECT_DELETE] = 27,
+ /**
+ * Attr set credits.
+ * 3 (inode bit, group, GDT) +
+ */
+ [DTO_ATTR_SET_BASE] = 3,
+ /**
+ * Xattr set. The same as xattr of EXT3.
+ * DATA_TRANS_BLOCKS(16)
+ * XXX Note: in original MDS implmentation INDEX_EXTRA_TRANS_BLOCKS are
+ * also counted in. Do not know why?
*/
[DTO_XATTR_SET] = 16,
[DTO_LOG_REC] = 16,
- /* creadits for inode change during write */
+ /**
+ * creadits for inode change during write.
+ */
[DTO_WRITE_BASE] = 3,
- /* credits for single block write */
- [DTO_WRITE_BLOCK] = 12
+ /**
+ * credits for single block write.
+ */
+ [DTO_WRITE_BLOCK] = 16,
+ /**
+ * Attr set credits for chown.
+ * It is added to already set setattr credits
+ * 2 * QUOTA_INIT_BLOCKS(25) +
+ * 2 * QUOTA_DEL_BLOCKS(9)
+ */
+ [DTO_ATTR_SET_CHOWN]= 68,
};
static int osd_credit_get(const struct lu_env *env, struct dt_device *d,
enum dt_txn_op op)
{
- LASSERT(0 <= op && op < ARRAY_SIZE(osd_dto_credits));
- return osd_dto_credits[op];
+ LASSERT(ARRAY_SIZE(osd_dto_credits_noquota) ==
+ ARRAY_SIZE(osd_dto_credits_quota));
+ LASSERT(0 <= op && op < ARRAY_SIZE(osd_dto_credits_noquota));
+#ifdef HAVE_QUOTA_SUPPORT
+ if (test_opt(osd_sb(osd_dt_dev(d)), QUOTA))
+ return osd_dto_credits_quota[op];
+ else
+#endif
+ return osd_dto_credits_noquota[op];
}
-static struct dt_device_operations osd_dt_ops = {
+static const struct dt_device_operations osd_dt_ops = {
.dt_root_get = osd_root_get,
.dt_statfs = osd_statfs,
.dt_trans_start = osd_trans_start,
.dt_conf_get = osd_conf_get,
.dt_sync = osd_sync,
.dt_ro = osd_ro,
+ .dt_commit_async = osd_commit_async,
.dt_credit_get = osd_credit_get,
.dt_init_capa_ctxt = osd_init_capa_ctxt,
+ .dt_init_quota_ctxt= osd_init_quota_ctxt,
};
static void osd_object_read_lock(const struct lu_env *env,
LINVRNT(osd_invariant(obj));
LASSERT(obj->oo_owner != env);
- down_read_nested(&obj->oo_sem, role);
+ cfs_down_read_nested(&obj->oo_sem, role);
- LASSERT(obj->oo_owner == NULL);
- oti->oti_r_locks++;
+ LASSERT(obj->oo_owner == NULL);
+ oti->oti_r_locks++;
}
static void osd_object_write_lock(const struct lu_env *env,
LINVRNT(osd_invariant(obj));
LASSERT(obj->oo_owner != env);
- down_write_nested(&obj->oo_sem, role);
+ cfs_down_write_nested(&obj->oo_sem, role);
- LASSERT(obj->oo_owner == NULL);
- obj->oo_owner = env;
- oti->oti_w_locks++;
+ LASSERT(obj->oo_owner == NULL);
+ obj->oo_owner = env;
+ oti->oti_w_locks++;
}
static void osd_object_read_unlock(const struct lu_env *env,
struct dt_object *dt)
{
struct osd_object *obj = osd_dt_obj(dt);
- struct osd_thread_info *oti = osd_oti_get(env);
+ struct osd_thread_info *oti = osd_oti_get(env);
LINVRNT(osd_invariant(obj));
- LASSERT(oti->oti_r_locks > 0);
- oti->oti_r_locks--;
- up_read(&obj->oo_sem);
+ LASSERT(oti->oti_r_locks > 0);
+ oti->oti_r_locks--;
+ cfs_up_read(&obj->oo_sem);
}
static void osd_object_write_unlock(const struct lu_env *env,
struct dt_object *dt)
{
struct osd_object *obj = osd_dt_obj(dt);
- struct osd_thread_info *oti = osd_oti_get(env);
+ struct osd_thread_info *oti = osd_oti_get(env);
+
+ LINVRNT(osd_invariant(obj));
+
+ LASSERT(obj->oo_owner == env);
+ LASSERT(oti->oti_w_locks > 0);
+ oti->oti_w_locks--;
+ obj->oo_owner = NULL;
+ cfs_up_write(&obj->oo_sem);
+}
+
+static int osd_object_write_locked(const struct lu_env *env,
+ struct dt_object *dt)
+{
+ struct osd_object *obj = osd_dt_obj(dt);
LINVRNT(osd_invariant(obj));
- LASSERT(obj->oo_owner == env);
- LASSERT(oti->oti_w_locks > 0);
- oti->oti_w_locks--;
- obj->oo_owner = NULL;
- up_write(&obj->oo_sem);
+ return obj->oo_owner == env;
}
static int capa_is_sane(const struct lu_env *env,
struct lustre_capa_key *keys)
{
struct osd_thread_info *oti = osd_oti_get(env);
+ struct lustre_capa *tcapa = &oti->oti_capa;
struct obd_capa *oc;
int i, rc = 0;
ENTRY;
RETURN(rc);
}
- spin_lock(&capa_lock);
+ if (capa_is_expired_sec(capa)) {
+ DEBUG_CAPA(D_ERROR, capa, "expired");
+ RETURN(-ESTALE);
+ }
+
+ cfs_spin_lock(&capa_lock);
for (i = 0; i < 2; i++) {
if (keys[i].lk_keyid == capa->lc_keyid) {
oti->oti_capa_key = keys[i];
break;
}
}
- spin_unlock(&capa_lock);
+ cfs_spin_unlock(&capa_lock);
if (i == 2) {
DEBUG_CAPA(D_ERROR, capa, "no matched capa key");
RETURN(-ESTALE);
}
- rc = capa_hmac(oti->oti_capa.lc_hmac, capa, oti->oti_capa_key.lk_key);
+ rc = capa_hmac(tcapa->lc_hmac, capa, oti->oti_capa_key.lk_key);
if (rc)
RETURN(rc);
- if (memcmp(oti->oti_capa.lc_hmac, capa->lc_hmac, sizeof(capa->lc_hmac)))
- {
+
+ if (memcmp(tcapa->lc_hmac, capa->lc_hmac, sizeof(capa->lc_hmac))) {
DEBUG_CAPA(D_ERROR, capa, "HMAC mismatch");
RETURN(-EACCES);
}
{
const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
struct osd_device *dev = osd_dev(dt->do_lu.lo_dev);
+ struct md_capainfo *ci;
int rc;
if (!dev->od_fl_capa)
if (capa == BYPASS_CAPA)
return 0;
+ ci = md_capainfo(env);
+ if (unlikely(!ci))
+ return 0;
+
+ if (ci->mc_auth == LC_ID_NONE)
+ return 0;
+
if (!capa) {
CERROR("no capability is provided for fid "DFID"\n", PFID(fid));
return -EACCES;
return 0;
}
-static int osd_attr_get(const struct lu_env *env,
- struct dt_object *dt,
- struct lu_attr *attr,
- struct lustre_capa *capa)
+static struct timespec *osd_inode_time(const struct lu_env *env,
+ struct inode *inode, __u64 seconds)
{
- struct osd_object *obj = osd_dt_obj(dt);
+ struct osd_thread_info *oti = osd_oti_get(env);
+ struct timespec *t = &oti->oti_time;
- LASSERT(dt_object_exists(dt));
- LINVRNT(osd_invariant(obj));
+ t->tv_sec = seconds;
+ t->tv_nsec = 0;
+ *t = timespec_trunc(*t, get_sb_time_gran(inode->i_sb));
+ return t;
+}
- if (osd_object_auth(env, dt, capa, CAPA_OPC_META_READ))
- return -EACCES;
- spin_lock(&obj->oo_guard);
- osd_inode_getattr(env, obj->oo_inode, attr);
- spin_unlock(&obj->oo_guard);
- return 0;
+static void osd_inode_getattr(const struct lu_env *env,
+ struct inode *inode, struct lu_attr *attr)
+{
+ attr->la_valid |= LA_ATIME | LA_MTIME | LA_CTIME | LA_MODE |
+ LA_SIZE | LA_BLOCKS | LA_UID | LA_GID |
+ LA_FLAGS | LA_NLINK | LA_RDEV | LA_BLKSIZE;
+
+ attr->la_atime = LTIME_S(inode->i_atime);
+ attr->la_mtime = LTIME_S(inode->i_mtime);
+ attr->la_ctime = LTIME_S(inode->i_ctime);
+ attr->la_mode = inode->i_mode;
+ attr->la_size = i_size_read(inode);
+ attr->la_blocks = inode->i_blocks;
+ attr->la_uid = inode->i_uid;
+ attr->la_gid = inode->i_gid;
+ attr->la_flags = LDISKFS_I(inode)->i_flags;
+ attr->la_nlink = inode->i_nlink;
+ attr->la_rdev = inode->i_rdev;
+ attr->la_blksize = ll_inode_blksize(inode);
+ attr->la_blkbits = inode->i_blkbits;
}
-static int osd_attr_set(const struct lu_env *env,
+static int osd_attr_get(const struct lu_env *env,
struct dt_object *dt,
- const struct lu_attr *attr,
- struct thandle *handle,
+ struct lu_attr *attr,
struct lustre_capa *capa)
{
struct osd_object *obj = osd_dt_obj(dt);
- LASSERT(handle != NULL);
LASSERT(dt_object_exists(dt));
- LASSERT(osd_invariant(obj));
+ LINVRNT(osd_invariant(obj));
- if (osd_object_auth(env, dt, capa, CAPA_OPC_META_WRITE))
+ if (osd_object_auth(env, dt, capa, CAPA_OPC_META_READ))
return -EACCES;
- spin_lock(&obj->oo_guard);
- osd_inode_setattr(env, obj->oo_inode, attr);
- spin_unlock(&obj->oo_guard);
-
- mark_inode_dirty(obj->oo_inode);
+ cfs_spin_lock(&obj->oo_guard);
+ osd_inode_getattr(env, obj->oo_inode, attr);
+ cfs_spin_unlock(&obj->oo_guard);
return 0;
}
-static struct timespec *osd_inode_time(const struct lu_env *env,
- struct inode *inode, __u64 seconds)
-{
- struct osd_thread_info *oti = osd_oti_get(env);
- struct timespec *t = &oti->oti_time;
-
- t->tv_sec = seconds;
- t->tv_nsec = 0;
- *t = timespec_trunc(*t, get_sb_time_gran(inode->i_sb));
- return t;
-}
-
-static void osd_inode_setattr(const struct lu_env *env,
- struct inode *inode, const struct lu_attr *attr)
+static int osd_inode_setattr(const struct lu_env *env,
+ struct inode *inode, const struct lu_attr *attr)
{
__u64 bits;
LASSERT(!(bits & LA_TYPE)); /* Huh? You want too much. */
+#ifdef HAVE_QUOTA_SUPPORT
+ if ((bits & LA_UID && attr->la_uid != inode->i_uid) ||
+ (bits & LA_GID && attr->la_gid != inode->i_gid)) {
+ struct osd_ctxt *save = &osd_oti_get(env)->oti_ctxt;
+ struct iattr iattr;
+ int rc;
+
+ iattr.ia_valid = 0;
+ if (bits & LA_UID)
+ iattr.ia_valid |= ATTR_UID;
+ if (bits & LA_GID)
+ iattr.ia_valid |= ATTR_GID;
+ iattr.ia_uid = attr->la_uid;
+ iattr.ia_gid = attr->la_gid;
+ osd_push_ctxt(env, save);
+ rc = DQUOT_TRANSFER(inode, &iattr) ? -EDQUOT : 0;
+ osd_pop_ctxt(save);
+ if (rc != 0)
+ return rc;
+ }
+#endif
+
if (bits & LA_ATIME)
inode->i_atime = *osd_inode_time(env, inode, attr->la_atime);
if (bits & LA_CTIME)
LDISKFS_I(inode)->i_disksize = attr->la_size;
i_size_write(inode, attr->la_size);
}
+
+#if 0
+ /* OSD should not change "i_blocks" which is used by quota.
+ * "i_blocks" should be changed by ldiskfs only. */
if (bits & LA_BLOCKS)
inode->i_blocks = attr->la_blocks;
+#endif
if (bits & LA_MODE)
inode->i_mode = (inode->i_mode & S_IFMT) |
(attr->la_mode & ~S_IFMT);
if (bits & LA_RDEV)
inode->i_rdev = attr->la_rdev;
- if (bits & LA_FLAGS) {
- struct ldiskfs_inode_info *li = LDISKFS_I(inode);
+ if (bits & LA_FLAGS)
+ inode->i_flags = ll_ext_to_inode_flags(attr->la_flags);
+ return 0;
+}
+
+static int osd_attr_set(const struct lu_env *env,
+ struct dt_object *dt,
+ const struct lu_attr *attr,
+ struct thandle *handle,
+ struct lustre_capa *capa)
+{
+ struct osd_object *obj = osd_dt_obj(dt);
+ int rc;
+
+ LASSERT(handle != NULL);
+ LASSERT(dt_object_exists(dt));
+ LASSERT(osd_invariant(obj));
- li->i_flags = (li->i_flags & ~LDISKFS_FL_USER_MODIFIABLE) |
- (attr->la_flags & LDISKFS_FL_USER_MODIFIABLE);
- }
+ if (osd_object_auth(env, dt, capa, CAPA_OPC_META_WRITE))
+ return -EACCES;
+
+ cfs_spin_lock(&obj->oo_guard);
+ rc = osd_inode_setattr(env, obj->oo_inode, attr);
+ cfs_spin_unlock(&obj->oo_guard);
+
+ if (!rc)
+ mark_inode_dirty(obj->oo_inode);
+ return rc;
}
/*
*
* XXX temporary solution.
*/
-
static int osd_create_pre(struct osd_thread_info *info, struct osd_object *obj,
struct lu_attr *attr, struct thandle *th)
{
static int osd_create_post(struct osd_thread_info *info, struct osd_object *obj,
struct lu_attr *attr, struct thandle *th)
{
- LASSERT(obj->oo_inode != NULL);
-
osd_object_init0(obj);
return 0;
}
-extern struct inode *ldiskfs_create_inode(handle_t *handle,
- struct inode * dir, int mode);
+static struct dentry * osd_child_dentry_get(const struct lu_env *env,
+ struct osd_object *obj,
+ const char *name,
+ const int namelen)
+{
+ struct osd_thread_info *info = osd_oti_get(env);
+ struct dentry *child_dentry = &info->oti_child_dentry;
+ struct dentry *obj_dentry = &info->oti_obj_dentry;
+
+ obj_dentry->d_inode = obj->oo_inode;
+ obj_dentry->d_sb = osd_sb(osd_obj2dev(obj));
+ obj_dentry->d_name.hash = 0;
+
+ child_dentry->d_name.hash = 0;
+ child_dentry->d_parent = obj_dentry;
+ child_dentry->d_name.name = name;
+ child_dentry->d_name.len = namelen;
+ return child_dentry;
+}
+
static int osd_mkfile(struct osd_thread_info *info, struct osd_object *obj,
- umode_t mode,
+ cfs_umode_t mode,
struct dt_allocation_hint *hint,
struct thandle *th)
{
int result;
struct osd_device *osd = osd_obj2dev(obj);
struct osd_thandle *oth;
- struct inode *parent;
+ struct dt_object *parent;
struct inode *inode;
+#ifdef HAVE_QUOTA_SUPPORT
+ struct osd_ctxt *save = &info->oti_ctxt;
+#endif
LINVRNT(osd_invariant(obj));
LASSERT(obj->oo_inode == NULL);
- LASSERT(osd->od_obj_area != NULL);
oth = container_of(th, struct osd_thandle, ot_super);
LASSERT(oth->ot_handle->h_transaction != NULL);
if (hint && hint->dah_parent)
- parent = osd_dt_obj(hint->dah_parent)->oo_inode;
+ parent = hint->dah_parent;
else
- parent = osd->od_obj_area->d_inode;
- LASSERT(parent->i_op != NULL);
+ parent = osd->od_obj_area;
+
+ LASSERT(parent != NULL);
+ LASSERT(osd_dt_obj(parent)->oo_inode->i_op != NULL);
- inode = ldiskfs_create_inode(oth->ot_handle, parent, mode);
+#ifdef HAVE_QUOTA_SUPPORT
+ osd_push_ctxt(info->oti_env, save);
+#endif
+ inode = ldiskfs_create_inode(oth->ot_handle,
+ osd_dt_obj(parent)->oo_inode, mode);
+#ifdef HAVE_QUOTA_SUPPORT
+ osd_pop_ctxt(save);
+#endif
if (!IS_ERR(inode)) {
obj->oo_inode = inode;
result = 0;
return result;
}
-
-extern int iam_lvar_create(struct inode *obj, int keysize, int ptrsize,
- int recsize, handle_t *handle);
-
enum {
OSD_NAME_LEN = 255
};
static int osd_mkdir(struct osd_thread_info *info, struct osd_object *obj,
struct lu_attr *attr,
struct dt_allocation_hint *hint,
+ struct dt_object_format *dof,
struct thandle *th)
{
int result;
struct osd_thandle *oth;
+ struct osd_device *osd = osd_obj2dev(obj);
+ __u32 mode = (attr->la_mode & (S_IFMT | S_IRWXUGO | S_ISVTX));
LASSERT(S_ISDIR(attr->la_mode));
oth = container_of(th, struct osd_thandle, ot_super);
LASSERT(oth->ot_handle->h_transaction != NULL);
- result = osd_mkfile(info, obj, (attr->la_mode &
- (S_IFMT | S_IRWXUGO | S_ISVTX)), hint, th);
- if (result == 0) {
+ result = osd_mkfile(info, obj, mode, hint, th);
+ if (result == 0 && osd->od_iop_mode == 0) {
LASSERT(obj->oo_inode != NULL);
/*
* XXX uh-oh... call low-level iam function directly.
*/
+
result = iam_lvar_create(obj->oo_inode, OSD_NAME_LEN, 4,
- sizeof (struct lu_fid_pack),
+ sizeof (struct osd_fid_pack),
oth->ot_handle);
}
return result;
}
+static int osd_mk_index(struct osd_thread_info *info, struct osd_object *obj,
+ struct lu_attr *attr,
+ struct dt_allocation_hint *hint,
+ struct dt_object_format *dof,
+ struct thandle *th)
+{
+ int result;
+ struct osd_thandle *oth;
+ const struct dt_index_features *feat = dof->u.dof_idx.di_feat;
+
+ __u32 mode = (attr->la_mode & (S_IFMT | S_IRWXUGO | S_ISVTX));
+
+ LASSERT(S_ISREG(attr->la_mode));
+
+ oth = container_of(th, struct osd_thandle, ot_super);
+ LASSERT(oth->ot_handle->h_transaction != NULL);
+
+ result = osd_mkfile(info, obj, mode, hint, th);
+ if (result == 0) {
+ LASSERT(obj->oo_inode != NULL);
+ if (feat->dif_flags & DT_IND_VARKEY)
+ result = iam_lvar_create(obj->oo_inode,
+ feat->dif_keysize_max,
+ feat->dif_ptrsize,
+ feat->dif_recsize_max,
+ oth->ot_handle);
+ else
+ result = iam_lfix_create(obj->oo_inode,
+ feat->dif_keysize_max,
+ feat->dif_ptrsize,
+ feat->dif_recsize_max,
+ oth->ot_handle);
+
+ }
+ return result;
+}
+
static int osd_mkreg(struct osd_thread_info *info, struct osd_object *obj,
struct lu_attr *attr,
struct dt_allocation_hint *hint,
+ struct dt_object_format *dof,
struct thandle *th)
{
LASSERT(S_ISREG(attr->la_mode));
static int osd_mksym(struct osd_thread_info *info, struct osd_object *obj,
struct lu_attr *attr,
struct dt_allocation_hint *hint,
+ struct dt_object_format *dof,
struct thandle *th)
{
LASSERT(S_ISLNK(attr->la_mode));
static int osd_mknod(struct osd_thread_info *info, struct osd_object *obj,
struct lu_attr *attr,
struct dt_allocation_hint *hint,
+ struct dt_object_format *dof,
struct thandle *th)
{
+ cfs_umode_t mode = attr->la_mode & (S_IFMT | S_IRWXUGO | S_ISVTX);
int result;
- struct osd_device *osd = osd_obj2dev(obj);
- struct inode *dir;
- umode_t mode = attr->la_mode & (S_IFMT | S_IRWXUGO | S_ISVTX);
LINVRNT(osd_invariant(obj));
LASSERT(obj->oo_inode == NULL);
- LASSERT(osd->od_obj_area != NULL);
LASSERT(S_ISCHR(mode) || S_ISBLK(mode) ||
S_ISFIFO(mode) || S_ISSOCK(mode));
- dir = osd->od_obj_area->d_inode;
- LASSERT(dir->i_op != NULL);
-
result = osd_mkfile(info, obj, mode, hint, th);
if (result == 0) {
LASSERT(obj->oo_inode != NULL);
typedef int (*osd_obj_type_f)(struct osd_thread_info *, struct osd_object *,
struct lu_attr *,
struct dt_allocation_hint *hint,
+ struct dt_object_format *dof,
struct thandle *);
-static osd_obj_type_f osd_create_type_f(__u32 mode)
+static osd_obj_type_f osd_create_type_f(enum dt_format_type type)
{
osd_obj_type_f result;
- switch (mode) {
- case S_IFDIR:
+ switch (type) {
+ case DFT_DIR:
result = osd_mkdir;
break;
- case S_IFREG:
+ case DFT_REGULAR:
result = osd_mkreg;
break;
- case S_IFLNK:
+ case DFT_SYM:
result = osd_mksym;
break;
- case S_IFCHR:
- case S_IFBLK:
- case S_IFIFO:
- case S_IFSOCK:
+ case DFT_NODE:
result = osd_mknod;
break;
+ case DFT_INDEX:
+ result = osd_mk_index;
+ break;
+
default:
LBUG();
break;
static void osd_ah_init(const struct lu_env *env, struct dt_allocation_hint *ah,
- struct dt_object *parent, umode_t child_mode)
+ struct dt_object *parent, cfs_umode_t child_mode)
{
LASSERT(ah);
ah->dah_mode = child_mode;
}
+/**
+ * Helper function for osd_object_create()
+ *
+ * \retval 0, on success
+ */
+static int __osd_object_create(struct osd_thread_info *info,
+ struct osd_object *obj, struct lu_attr *attr,
+ struct dt_allocation_hint *hint,
+ struct dt_object_format *dof,
+ struct thandle *th)
+{
+
+ int result;
-/*
- * Concurrency: @dt is write locked.
+ result = osd_create_pre(info, obj, attr, th);
+ if (result == 0) {
+ result = osd_create_type_f(dof->dof_type)(info, obj,
+ attr, hint, dof, th);
+ if (result == 0)
+ result = osd_create_post(info, obj, attr, th);
+ }
+ return result;
+}
+
+/**
+ * Helper function for osd_object_create()
+ *
+ * \retval 0, on success
*/
+static int __osd_oi_insert(const struct lu_env *env, struct osd_object *obj,
+ const struct lu_fid *fid, struct thandle *th)
+{
+ struct osd_thread_info *info = osd_oti_get(env);
+ struct osd_inode_id *id = &info->oti_id;
+ struct osd_device *osd = osd_obj2dev(obj);
+ struct md_ucred *uc = md_ucred(env);
+
+ LASSERT(obj->oo_inode != NULL);
+ LASSERT(uc != NULL);
+
+ id->oii_ino = obj->oo_inode->i_ino;
+ id->oii_gen = obj->oo_inode->i_generation;
+
+ return osd_oi_insert(info, &osd->od_oi, fid, id, th,
+ uc->mu_cap & CFS_CAP_SYS_RESOURCE_MASK);
+}
+
static int osd_object_create(const struct lu_env *env, struct dt_object *dt,
- struct lu_attr *attr,
+ struct lu_attr *attr,
struct dt_allocation_hint *hint,
+ struct dt_object_format *dof,
struct thandle *th)
{
- const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
- struct osd_object *obj = osd_dt_obj(dt);
- struct osd_device *osd = osd_obj2dev(obj);
- struct osd_thread_info *info = osd_oti_get(env);
+ const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
+ struct osd_object *obj = osd_dt_obj(dt);
+ struct osd_thread_info *info = osd_oti_get(env);
int result;
ENTRY;
LASSERT(osd_write_locked(env, obj));
LASSERT(th != NULL);
- /*
- * XXX missing: Quote handling.
- */
-
- result = osd_create_pre(info, obj, attr, th);
- if (result == 0) {
- result = osd_create_type_f(attr->la_mode & S_IFMT)(info, obj,
- attr, hint, th);
- if (result == 0)
- result = osd_create_post(info, obj, attr, th);
- }
- if (result == 0) {
- struct osd_inode_id *id = &info->oti_id;
-
- LASSERT(obj->oo_inode != NULL);
-
- id->oii_ino = obj->oo_inode->i_ino;
- id->oii_gen = obj->oo_inode->i_generation;
-
- result = osd_oi_insert(info, &osd->od_oi, fid, id, th);
- }
+ result = __osd_object_create(info, obj, attr, hint, dof, th);
+ if (result == 0)
+ result = __osd_oi_insert(env, obj, fid, th);
LASSERT(ergo(result == 0, dt_object_exists(dt)));
- LINVRNT(osd_invariant(obj));
+ LASSERT(osd_invariant(obj));
RETURN(result);
}
-/*
- * Concurrency: @dt is write locked.
+/**
+ * Helper function for osd_xattr_set()
*/
-static void osd_object_ref_add(const struct lu_env *env,
- struct dt_object *dt,
- struct thandle *th)
+static int __osd_xattr_set(const struct lu_env *env, struct dt_object *dt,
+ const struct lu_buf *buf, const char *name, int fl)
{
- struct osd_object *obj = osd_dt_obj(dt);
- struct inode *inode = obj->oo_inode;
+ struct osd_object *obj = osd_dt_obj(dt);
+ struct inode *inode = obj->oo_inode;
+ struct osd_thread_info *info = osd_oti_get(env);
+ struct dentry *dentry = &info->oti_child_dentry;
+ struct timespec *t = &info->oti_time;
+ int fs_flags = 0;
+ int rc;
- LINVRNT(osd_invariant(obj));
LASSERT(dt_object_exists(dt));
+ LASSERT(inode->i_op != NULL && inode->i_op->setxattr != NULL);
LASSERT(osd_write_locked(env, obj));
- LASSERT(th != NULL);
- spin_lock(&obj->oo_guard);
- LASSERT(inode->i_nlink < LDISKFS_LINK_MAX);
- inode->i_nlink++;
- spin_unlock(&obj->oo_guard);
- mark_inode_dirty(inode);
- LINVRNT(osd_invariant(obj));
-}
+ if (fl & LU_XATTR_REPLACE)
+ fs_flags |= XATTR_REPLACE;
-/*
- * Concurrency: @dt is write locked.
+ if (fl & LU_XATTR_CREATE)
+ fs_flags |= XATTR_CREATE;
+
+ dentry->d_inode = inode;
+ *t = inode->i_ctime;
+ rc = inode->i_op->setxattr(dentry, name, buf->lb_buf,
+ buf->lb_len, fs_flags);
+ /* ctime should not be updated with server-side time. */
+ cfs_spin_lock(&obj->oo_guard);
+ inode->i_ctime = *t;
+ cfs_spin_unlock(&obj->oo_guard);
+ mark_inode_dirty(inode);
+ return rc;
+}
+
+/**
+ * Put the fid into lustre_mdt_attrs, and then place the structure
+ * inode's ea. This fid should not be altered during the life time
+ * of the inode.
+ *
+ * \retval +ve, on success
+ * \retval -ve, on error
+ *
+ * FIXME: It is good to have/use ldiskfs_xattr_set_handle() here
+ */
+static int osd_ea_fid_set(const struct lu_env *env, struct dt_object *dt,
+ const struct lu_fid *fid)
+{
+ struct osd_thread_info *info = osd_oti_get(env);
+ struct lustre_mdt_attrs *mdt_attrs = &info->oti_mdt_attrs;
+
+ lustre_lma_init(mdt_attrs, fid);
+ lustre_lma_swab(mdt_attrs);
+ return __osd_xattr_set(env, dt,
+ osd_buf_get(env, mdt_attrs, sizeof *mdt_attrs),
+ XATTR_NAME_LMA, LU_XATTR_CREATE);
+
+}
+
+/**
+ * Helper function to form igif
+ */
+static inline void osd_igif_get(const struct lu_env *env, struct inode *inode,
+ struct lu_fid *fid)
+{
+ lu_igif_build(fid, inode->i_ino, inode->i_generation);
+}
+
+/**
+ * Helper function to pack the fid, ldiskfs stores fid in packed format.
+ */
+void osd_fid_pack(struct osd_fid_pack *pack, const struct dt_rec *fid,
+ struct lu_fid *befider)
+{
+ fid_cpu_to_be(befider, (struct lu_fid *)fid);
+ memcpy(pack->fp_area, befider, sizeof(*befider));
+ pack->fp_len = sizeof(*befider) + 1;
+}
+
+/**
+ * ldiskfs supports fid in dirent, it is passed in dentry->d_fsdata.
+ * lustre 1.8 also uses d_fsdata for passing other info to ldiskfs.
+ * To have compatilibility with 1.8 ldiskfs driver we need to have
+ * magic number at start of fid data.
+ * \ldiskfs_dentry_param is used only to pass fid from osd to ldiskfs.
+ * its inmemory API.
+ */
+void osd_get_ldiskfs_dirent_param(struct ldiskfs_dentry_param *param,
+ const struct dt_rec *fid)
+{
+ param->edp_magic = LDISKFS_LUFID_MAGIC;
+ param->edp_len = sizeof(struct lu_fid) + 1;
+
+ fid_cpu_to_be((struct lu_fid *)param->edp_data,
+ (struct lu_fid *)fid);
+}
+
+int osd_fid_unpack(struct lu_fid *fid, const struct osd_fid_pack *pack)
+{
+ int result;
+
+ result = 0;
+ switch (pack->fp_len) {
+ case sizeof *fid + 1:
+ memcpy(fid, pack->fp_area, sizeof *fid);
+ fid_be_to_cpu(fid, fid);
+ break;
+ default:
+ CERROR("Unexpected packed fid size: %d\n", pack->fp_len);
+ result = -EIO;
+ }
+ return result;
+}
+
+/**
+ * Try to read the fid from inode ea into dt_rec, if return value
+ * i.e. rc is +ve, then we got fid, otherwise we will have to form igif
+ *
+ * \param fid object fid.
+ *
+ * \retval 0 on success
+ */
+static int osd_ea_fid_get(const struct lu_env *env, struct osd_object *obj,
+ __u32 ino, struct lu_fid *fid)
+{
+ struct osd_thread_info *info = osd_oti_get(env);
+ struct lustre_mdt_attrs *mdt_attrs = &info->oti_mdt_attrs;
+ struct lu_device *ldev = obj->oo_dt.do_lu.lo_dev;
+ struct dentry *dentry = &info->oti_child_dentry;
+ struct osd_inode_id *id = &info->oti_id;
+ struct osd_device *dev;
+ struct inode *inode;
+ int rc;
+
+ ENTRY;
+ dev = osd_dev(ldev);
+
+ id->oii_ino = ino;
+ id->oii_gen = OSD_OII_NOGEN;
+
+ inode = osd_iget(info, dev, id);
+ if (IS_ERR(inode)) {
+ rc = PTR_ERR(inode);
+ GOTO(out,rc);
+ }
+ dentry->d_inode = inode;
+
+ LASSERT(inode->i_op != NULL && inode->i_op->getxattr != NULL);
+ rc = inode->i_op->getxattr(dentry, XATTR_NAME_LMA, (void *)mdt_attrs,
+ sizeof *mdt_attrs);
+
+ /* Check LMA compatibility */
+ if (rc > 0 &&
+ (mdt_attrs->lma_incompat & ~cpu_to_le32(LMA_INCOMPAT_SUPP))) {
+ CWARN("Inode %lx: Unsupported incompat LMA feature(s) %#x\n",
+ inode->i_ino, le32_to_cpu(mdt_attrs->lma_incompat) &
+ ~LMA_INCOMPAT_SUPP);
+ return -ENOSYS;
+ }
+
+ if (rc > 0) {
+ lustre_lma_swab(mdt_attrs);
+ memcpy(fid, &mdt_attrs->lma_self_fid, sizeof(*fid));
+ rc = 0;
+ } else if (rc == -ENODATA) {
+ osd_igif_get(env, inode, fid);
+ rc = 0;
+ }
+ iput(inode);
+out:
+ RETURN(rc);
+}
+
+/**
+ * OSD layer object create function for interoperability mode (b11826).
+ * This is mostly similar to osd_object_create(). Only difference being, fid is
+ * inserted into inode ea here.
+ *
+ * \retval 0, on success
+ * \retval -ve, on error
+ */
+static int osd_object_ea_create(const struct lu_env *env, struct dt_object *dt,
+ struct lu_attr *attr,
+ struct dt_allocation_hint *hint,
+ struct dt_object_format *dof,
+ struct thandle *th)
+{
+ const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
+ struct osd_object *obj = osd_dt_obj(dt);
+ struct osd_thread_info *info = osd_oti_get(env);
+ int result;
+
+ ENTRY;
+
+ LASSERT(osd_invariant(obj));
+ LASSERT(!dt_object_exists(dt));
+ LASSERT(osd_write_locked(env, obj));
+ LASSERT(th != NULL);
+
+ result = __osd_object_create(info, obj, attr, hint, dof, th);
+
+ /* objects under osd root shld have igif fid, so dont add fid EA */
+ if (result == 0 && fid_seq(fid) >= FID_SEQ_DISTRIBUTED_START)
+ result = osd_ea_fid_set(env, dt, fid);
+
+ if (result == 0)
+ result = __osd_oi_insert(env, obj, fid, th);
+
+ LASSERT(ergo(result == 0, dt_object_exists(dt)));
+ LINVRNT(osd_invariant(obj));
+ RETURN(result);
+}
+
+/*
+ * Concurrency: @dt is write locked.
+ */
+static void osd_object_ref_add(const struct lu_env *env,
+ struct dt_object *dt,
+ struct thandle *th)
+{
+ struct osd_object *obj = osd_dt_obj(dt);
+ struct inode *inode = obj->oo_inode;
+
+ LINVRNT(osd_invariant(obj));
+ LASSERT(dt_object_exists(dt));
+ LASSERT(osd_write_locked(env, obj));
+ LASSERT(th != NULL);
+
+ cfs_spin_lock(&obj->oo_guard);
+ LASSERT(inode->i_nlink < LDISKFS_LINK_MAX);
+ inode->i_nlink++;
+ cfs_spin_unlock(&obj->oo_guard);
+ mark_inode_dirty(inode);
+ LINVRNT(osd_invariant(obj));
+}
+
+/*
+ * Concurrency: @dt is write locked.
*/
static void osd_object_ref_del(const struct lu_env *env,
struct dt_object *dt,
LASSERT(osd_write_locked(env, obj));
LASSERT(th != NULL);
- spin_lock(&obj->oo_guard);
+ cfs_spin_lock(&obj->oo_guard);
LASSERT(inode->i_nlink > 0);
inode->i_nlink--;
- spin_unlock(&obj->oo_guard);
+ cfs_spin_unlock(&obj->oo_guard);
mark_inode_dirty(inode);
LINVRNT(osd_invariant(obj));
}
struct osd_object *obj = osd_dt_obj(dt);
struct inode *inode = obj->oo_inode;
struct osd_thread_info *info = osd_oti_get(env);
- struct dentry *dentry = &info->oti_dentry;
+ struct dentry *dentry = &info->oti_obj_dentry;
LASSERT(dt_object_exists(dt));
LASSERT(inode->i_op != NULL && inode->i_op->getxattr != NULL);
const struct lu_buf *buf, const char *name, int fl,
struct thandle *handle, struct lustre_capa *capa)
{
- struct osd_object *obj = osd_dt_obj(dt);
- struct inode *inode = obj->oo_inode;
- struct osd_thread_info *info = osd_oti_get(env);
- struct dentry *dentry = &info->oti_dentry;
- struct timespec *t = &info->oti_time;
- int fs_flags = 0, rc;
-
- LASSERT(dt_object_exists(dt));
- LASSERT(inode->i_op != NULL && inode->i_op->setxattr != NULL);
- LASSERT(osd_write_locked(env, obj));
LASSERT(handle != NULL);
if (osd_object_auth(env, dt, capa, CAPA_OPC_META_WRITE))
return -EACCES;
- if (fl & LU_XATTR_REPLACE)
- fs_flags |= XATTR_REPLACE;
-
- if (fl & LU_XATTR_CREATE)
- fs_flags |= XATTR_CREATE;
-
- dentry->d_inode = inode;
- *t = inode->i_ctime;
- rc = inode->i_op->setxattr(dentry, name,
- buf->lb_buf, buf->lb_len, fs_flags);
- if (likely(rc == 0)) {
- /* ctime should not be updated with server-side time. */
- spin_lock(&obj->oo_guard);
- inode->i_ctime = *t;
- spin_unlock(&obj->oo_guard);
- mark_inode_dirty(inode);
- }
- return rc;
+ return __osd_xattr_set(env, dt, buf, name, fl);
}
/*
struct osd_object *obj = osd_dt_obj(dt);
struct inode *inode = obj->oo_inode;
struct osd_thread_info *info = osd_oti_get(env);
- struct dentry *dentry = &info->oti_dentry;
+ struct dentry *dentry = &info->oti_obj_dentry;
LASSERT(dt_object_exists(dt));
LASSERT(inode->i_op != NULL && inode->i_op->listxattr != NULL);
struct osd_object *obj = osd_dt_obj(dt);
struct inode *inode = obj->oo_inode;
struct osd_thread_info *info = osd_oti_get(env);
- struct dentry *dentry = &info->oti_dentry;
+ struct dentry *dentry = &info->oti_obj_dentry;
struct timespec *t = &info->oti_time;
int rc;
dentry->d_inode = inode;
*t = inode->i_ctime;
rc = inode->i_op->removexattr(dentry, name);
- if (likely(rc == 0)) {
- /* ctime should not be updated with server-side time. */
- spin_lock(&obj->oo_guard);
- inode->i_ctime = *t;
- spin_unlock(&obj->oo_guard);
- mark_inode_dirty(inode);
- }
+ /* ctime should not be updated with server-side time. */
+ cfs_spin_lock(&obj->oo_guard);
+ inode->i_ctime = *t;
+ cfs_spin_unlock(&obj->oo_guard);
+ mark_inode_dirty(inode);
return rc;
}
struct lustre_capa_key *key = &info->oti_capa_key;
struct lustre_capa *capa = &info->oti_capa;
struct obd_capa *oc;
+ struct md_capainfo *ci;
int rc;
ENTRY;
if (old && osd_object_auth(env, dt, old, opc))
RETURN(ERR_PTR(-EACCES));
+ ci = md_capainfo(env);
+ if (unlikely(!ci))
+ RETURN(ERR_PTR(-ENOENT));
+
+ switch (ci->mc_auth) {
+ case LC_ID_NONE:
+ RETURN(NULL);
+ case LC_ID_PLAIN:
+ capa->lc_uid = obj->oo_inode->i_uid;
+ capa->lc_gid = obj->oo_inode->i_gid;
+ capa->lc_flags = LC_ID_PLAIN;
+ break;
+ case LC_ID_CONVERT: {
+ __u32 d[4], s[4];
+
+ s[0] = obj->oo_inode->i_uid;
+ ll_get_random_bytes(&(s[1]), sizeof(__u32));
+ s[2] = obj->oo_inode->i_gid;
+ ll_get_random_bytes(&(s[3]), sizeof(__u32));
+ rc = capa_encrypt_id(d, s, key->lk_key, CAPA_HMAC_KEY_MAX_LEN);
+ if (unlikely(rc))
+ RETURN(ERR_PTR(rc));
+
+ capa->lc_uid = ((__u64)d[1] << 32) | d[0];
+ capa->lc_gid = ((__u64)d[3] << 32) | d[2];
+ capa->lc_flags = LC_ID_CONVERT;
+ break;
+ }
+ default:
+ RETURN(ERR_PTR(-EINVAL));
+ }
+
capa->lc_fid = *fid;
capa->lc_opc = opc;
- capa->lc_uid = 0;
- capa->lc_flags = dev->od_capa_alg << 24;
+ capa->lc_flags |= dev->od_capa_alg << 24;
capa->lc_timeout = dev->od_capa_timeout;
capa->lc_expiry = 0;
RETURN(oc);
}
- spin_lock(&capa_lock);
+ cfs_spin_lock(&capa_lock);
*key = dev->od_capa_keys[1];
- spin_unlock(&capa_lock);
+ cfs_spin_unlock(&capa_lock);
capa->lc_keyid = key->lk_keyid;
capa->lc_expiry = cfs_time_current_sec() + dev->od_capa_timeout;
struct osd_object *obj = osd_dt_obj(dt);
struct inode *inode = obj->oo_inode;
struct osd_thread_info *info = osd_oti_get(env);
- struct dentry *dentry = &info->oti_dentry;
+ struct dentry *dentry = &info->oti_obj_dentry;
struct file *file = &info->oti_file;
ENTRY;
RETURN(rc);
}
-static struct dt_object_operations osd_obj_ops = {
- .do_read_lock = osd_object_read_lock,
- .do_write_lock = osd_object_write_lock,
- .do_read_unlock = osd_object_read_unlock,
- .do_write_unlock = osd_object_write_unlock,
- .do_attr_get = osd_attr_get,
- .do_attr_set = osd_attr_set,
- .do_ah_init = osd_ah_init,
- .do_create = osd_object_create,
- .do_index_try = osd_index_try,
- .do_ref_add = osd_object_ref_add,
- .do_ref_del = osd_object_ref_del,
- .do_xattr_get = osd_xattr_get,
- .do_xattr_set = osd_xattr_set,
- .do_xattr_del = osd_xattr_del,
- .do_xattr_list = osd_xattr_list,
- .do_capa_get = osd_capa_get,
- .do_object_sync = osd_object_sync,
-};
-
/*
- * Body operations.
+ * Get the 64-bit version for an inode.
*/
+static dt_obj_version_t osd_object_version_get(const struct lu_env *env,
+ struct dt_object *dt)
+{
+ struct inode *inode = osd_dt_obj(dt)->oo_inode;
+
+ CDEBUG(D_INFO, "Get version "LPX64" for inode %lu\n",
+ LDISKFS_I(inode)->i_fs_version, inode->i_ino);
+ return LDISKFS_I(inode)->i_fs_version;
+}
/*
- * XXX: Another layering violation for now.
- *
- * We don't want to use ->f_op->read methods, because generic file write
- *
- * - serializes on ->i_sem, and
- *
- * - does a lot of extra work like balance_dirty_pages(),
- *
- * which doesn't work for globally shared files like /last-received.
+ * Set the 64-bit version and return the old version.
*/
-int fsfilt_ldiskfs_read(struct inode *inode, void *buf, int size, loff_t *offs);
-int fsfilt_ldiskfs_write_handle(struct inode *inode, void *buf, int bufsize,
- loff_t *offs, handle_t *handle);
-
-static ssize_t osd_read(const struct lu_env *env, struct dt_object *dt,
- struct lu_buf *buf, loff_t *pos,
- struct lustre_capa *capa)
+static void osd_object_version_set(const struct lu_env *env, struct dt_object *dt,
+ dt_obj_version_t new_version)
{
struct inode *inode = osd_dt_obj(dt)->oo_inode;
- if (osd_object_auth(env, dt, capa, CAPA_OPC_BODY_READ))
- RETURN(-EACCES);
-
- return fsfilt_ldiskfs_read(inode, buf->lb_buf, buf->lb_len, pos);
+ CDEBUG(D_INFO, "Set version "LPX64" (old "LPX64") for inode %lu\n",
+ new_version, LDISKFS_I(inode)->i_fs_version, inode->i_ino);
+ LDISKFS_I(inode)->i_fs_version = new_version;
+ /** Version is set after all inode operations are finished,
+ * so we should mark it dirty here */
+ inode->i_sb->s_op->dirty_inode(inode);
}
-static ssize_t osd_write(const struct lu_env *env, struct dt_object *dt,
- const struct lu_buf *buf, loff_t *pos,
- struct thandle *handle, struct lustre_capa *capa)
+static int osd_data_get(const struct lu_env *env, struct dt_object *dt,
+ void **data)
{
- struct inode *inode = osd_dt_obj(dt)->oo_inode;
- struct osd_thandle *oh;
- ssize_t result;
-
- LASSERT(handle != NULL);
-
- if (osd_object_auth(env, dt, capa, CAPA_OPC_BODY_WRITE))
- RETURN(-EACCES);
+ struct osd_object *obj = osd_dt_obj(dt);
+ ENTRY;
- oh = container_of(handle, struct osd_thandle, ot_super);
- LASSERT(oh->ot_handle->h_transaction != NULL);
- result = fsfilt_ldiskfs_write_handle(inode, buf->lb_buf, buf->lb_len,
- pos, oh->ot_handle);
- if (result == 0)
- result = buf->lb_len;
- return result;
+ *data = (void *)obj->oo_inode;
+ RETURN(0);
}
-static struct dt_body_operations osd_body_ops = {
- .dbo_read = osd_read,
- .dbo_write = osd_write
-};
-
/*
* Index operations.
*/
-static int osd_object_is_root(const struct osd_object *obj)
-{
- return osd_sb(osd_obj2dev(obj))->s_root->d_inode == obj->oo_inode;
-}
-
-static int osd_index_probe(const struct lu_env *env, struct osd_object *o,
+static int osd_iam_index_probe(const struct lu_env *env, struct osd_object *o,
const struct dt_index_features *feat)
{
struct iam_descr *descr;
LASSERT(o->oo_dir != NULL);
descr = o->oo_dir->od_container.ic_descr;
- if (feat == &dt_directory_features)
- return descr == &iam_htree_compat_param ||
- (descr->id_rec_size == sizeof(struct lu_fid_pack) &&
- 1 /*
- * XXX check that index looks like directory.
- */
- );
- else
+ if (feat == &dt_directory_features) {
+ if (descr->id_rec_size == sizeof(struct osd_fid_pack))
+ return 1;
+ else
+ return 0;
+ } else {
return
feat->dif_keysize_min <= descr->id_key_size &&
descr->id_key_size <= feat->dif_keysize_max &&
ergo(feat->dif_flags & DT_IND_UPDATE,
1 /* XXX check that object (and file system) is
* writable */);
+ }
}
-static int osd_container_init(const struct lu_env *env,
- struct osd_object *obj,
- struct osd_directory *dir)
+static int osd_iam_container_init(const struct lu_env *env,
+ struct osd_object *obj,
+ struct osd_directory *dir)
{
int result;
struct iam_container *bag;
if (result == 0) {
result = iam_container_setup(bag);
if (result == 0)
- obj->oo_dt.do_index_ops = &osd_index_ops;
+ obj->oo_dt.do_index_ops = &osd_index_iam_ops;
else
iam_container_fini(bag);
}
return result;
}
+
/*
* Concurrency: no external locking is necessary.
*/
const struct dt_index_features *feat)
{
int result;
+ int ea_dir = 0;
struct osd_object *obj = osd_dt_obj(dt);
+ struct osd_device *osd = osd_obj2dev(obj);
LINVRNT(osd_invariant(obj));
LASSERT(dt_object_exists(dt));
if (osd_object_is_root(obj)) {
- dt->do_index_ops = &osd_index_compat_ops;
+ dt->do_index_ops = &osd_index_ea_ops;
result = 0;
+ } else if (feat == &dt_directory_features && osd->od_iop_mode) {
+ dt->do_index_ops = &osd_index_ea_ops;
+ if (S_ISDIR(obj->oo_inode->i_mode))
+ result = 0;
+ else
+ result = -ENOTDIR;
+ ea_dir = 1;
} else if (!osd_has_index(obj)) {
struct osd_directory *dir;
OBD_ALLOC_PTR(dir);
if (dir != NULL) {
- sema_init(&dir->od_sem, 1);
- spin_lock(&obj->oo_guard);
+ cfs_spin_lock(&obj->oo_guard);
if (obj->oo_dir == NULL)
obj->oo_dir = dir;
else
* Concurrent thread allocated container data.
*/
OBD_FREE_PTR(dir);
- spin_unlock(&obj->oo_guard);
+ cfs_spin_unlock(&obj->oo_guard);
/*
* Now, that we have container data, serialize its
* initialization.
*/
- down(&obj->oo_dir->od_sem);
+ cfs_down_write(&obj->oo_ext_idx_sem);
/*
* recheck under lock.
*/
if (!osd_has_index(obj))
- result = osd_container_init(env, obj, dir);
+ result = osd_iam_container_init(env, obj, dir);
else
result = 0;
- up(&obj->oo_dir->od_sem);
+ cfs_up_write(&obj->oo_ext_idx_sem);
} else
result = -ENOMEM;
} else
result = 0;
- if (result == 0) {
- if (!osd_index_probe(env, obj, feat))
+ if (result == 0 && ea_dir == 0) {
+ if (!osd_iam_index_probe(env, obj, feat))
result = -ENOTDIR;
}
LINVRNT(osd_invariant(obj));
return result;
}
-static int osd_index_delete(const struct lu_env *env, struct dt_object *dt,
- const struct dt_key *key, struct thandle *handle,
- struct lustre_capa *capa)
+static const struct dt_object_operations osd_obj_ops = {
+ .do_read_lock = osd_object_read_lock,
+ .do_write_lock = osd_object_write_lock,
+ .do_read_unlock = osd_object_read_unlock,
+ .do_write_unlock = osd_object_write_unlock,
+ .do_write_locked = osd_object_write_locked,
+ .do_attr_get = osd_attr_get,
+ .do_attr_set = osd_attr_set,
+ .do_ah_init = osd_ah_init,
+ .do_create = osd_object_create,
+ .do_index_try = osd_index_try,
+ .do_ref_add = osd_object_ref_add,
+ .do_ref_del = osd_object_ref_del,
+ .do_xattr_get = osd_xattr_get,
+ .do_xattr_set = osd_xattr_set,
+ .do_xattr_del = osd_xattr_del,
+ .do_xattr_list = osd_xattr_list,
+ .do_capa_get = osd_capa_get,
+ .do_object_sync = osd_object_sync,
+ .do_version_get = osd_object_version_get,
+ .do_version_set = osd_object_version_set,
+ .do_data_get = osd_data_get,
+};
+
+/**
+ * dt_object_operations for interoperability mode
+ * (i.e. to run 2.0 mds on 1.8 disk) (b11826)
+ */
+static const struct dt_object_operations osd_obj_ea_ops = {
+ .do_read_lock = osd_object_read_lock,
+ .do_write_lock = osd_object_write_lock,
+ .do_read_unlock = osd_object_read_unlock,
+ .do_write_unlock = osd_object_write_unlock,
+ .do_write_locked = osd_object_write_locked,
+ .do_attr_get = osd_attr_get,
+ .do_attr_set = osd_attr_set,
+ .do_ah_init = osd_ah_init,
+ .do_create = osd_object_ea_create,
+ .do_index_try = osd_index_try,
+ .do_ref_add = osd_object_ref_add,
+ .do_ref_del = osd_object_ref_del,
+ .do_xattr_get = osd_xattr_get,
+ .do_xattr_set = osd_xattr_set,
+ .do_xattr_del = osd_xattr_del,
+ .do_xattr_list = osd_xattr_list,
+ .do_capa_get = osd_capa_get,
+ .do_object_sync = osd_object_sync,
+ .do_version_get = osd_object_version_get,
+ .do_version_set = osd_object_version_set,
+ .do_data_get = osd_data_get,
+};
+
+/*
+ * Body operations.
+ */
+
+/*
+ * XXX: Another layering violation for now.
+ *
+ * We don't want to use ->f_op->read methods, because generic file write
+ *
+ * - serializes on ->i_sem, and
+ *
+ * - does a lot of extra work like balance_dirty_pages(),
+ *
+ * which doesn't work for globally shared files like /last-received.
+ */
+static int osd_ldiskfs_readlink(struct inode *inode, char *buffer, int buflen)
+{
+ struct ldiskfs_inode_info *ei = LDISKFS_I(inode);
+
+ memcpy(buffer, (char*)ei->i_data, buflen);
+
+ return buflen;
+}
+
+static int osd_ldiskfs_read(struct inode *inode, void *buf, int size,
+ loff_t *offs)
+{
+ struct buffer_head *bh;
+ unsigned long block;
+ int osize = size;
+ int blocksize;
+ int csize;
+ int boffs;
+ int err;
+
+ /* prevent reading after eof */
+ spin_lock(&inode->i_lock);
+ if (i_size_read(inode) < *offs + size) {
+ size = i_size_read(inode) - *offs;
+ spin_unlock(&inode->i_lock);
+ if (size < 0) {
+ CDEBUG(D_EXT2, "size %llu is too short to read @%llu\n",
+ i_size_read(inode), *offs);
+ return -EBADR;
+ } else if (size == 0) {
+ return 0;
+ }
+ } else {
+ spin_unlock(&inode->i_lock);
+ }
+
+ blocksize = 1 << inode->i_blkbits;
+
+ while (size > 0) {
+ block = *offs >> inode->i_blkbits;
+ boffs = *offs & (blocksize - 1);
+ csize = min(blocksize - boffs, size);
+ bh = ldiskfs_bread(NULL, inode, block, 0, &err);
+ if (!bh) {
+ CERROR("can't read block: %d\n", err);
+ return err;
+ }
+
+ memcpy(buf, bh->b_data + boffs, csize);
+ brelse(bh);
+
+ *offs += csize;
+ buf += csize;
+ size -= csize;
+ }
+ return osize;
+}
+
+static ssize_t osd_read(const struct lu_env *env, struct dt_object *dt,
+ struct lu_buf *buf, loff_t *pos,
+ struct lustre_capa *capa)
+{
+ struct osd_object *obj = osd_dt_obj(dt);
+ struct inode *inode = obj->oo_inode;
+ int rc;
+
+ if (osd_object_auth(env, dt, capa, CAPA_OPC_BODY_READ))
+ RETURN(-EACCES);
+
+ /* Read small symlink from inode body as we need to maintain correct
+ * on-disk symlinks for ldiskfs.
+ */
+ if (S_ISLNK(obj->oo_dt.do_lu.lo_header->loh_attr) &&
+ (buf->lb_len <= sizeof (LDISKFS_I(inode)->i_data)))
+ rc = osd_ldiskfs_readlink(inode, buf->lb_buf, buf->lb_len);
+ else
+ rc = osd_ldiskfs_read(inode, buf->lb_buf, buf->lb_len, pos);
+
+ return rc;
+}
+
+static int osd_ldiskfs_writelink(struct inode *inode, char *buffer, int buflen)
+{
+
+ memcpy((char*)&LDISKFS_I(inode)->i_data, (char *)buffer,
+ buflen);
+ LDISKFS_I(inode)->i_disksize = buflen;
+ i_size_write(inode, buflen);
+ inode->i_sb->s_op->dirty_inode(inode);
+
+ return 0;
+}
+
+static int osd_ldiskfs_write_record(struct inode *inode, void *buf, int bufsize,
+ loff_t *offs, handle_t *handle)
+{
+ struct buffer_head *bh = NULL;
+ loff_t offset = *offs;
+ loff_t new_size = i_size_read(inode);
+ unsigned long block;
+ int blocksize = 1 << inode->i_blkbits;
+ int err = 0;
+ int size;
+ int boffs;
+ int dirty_inode = 0;
+
+ while (bufsize > 0) {
+ if (bh != NULL)
+ brelse(bh);
+
+ block = offset >> inode->i_blkbits;
+ boffs = offset & (blocksize - 1);
+ size = min(blocksize - boffs, bufsize);
+ bh = ldiskfs_bread(handle, inode, block, 1, &err);
+ if (!bh) {
+ CERROR("can't read/create block: %d\n", err);
+ break;
+ }
+
+ err = ldiskfs_journal_get_write_access(handle, bh);
+ if (err) {
+ CERROR("journal_get_write_access() returned error %d\n",
+ err);
+ break;
+ }
+ LASSERTF(boffs + size <= bh->b_size,
+ "boffs %d size %d bh->b_size %lu",
+ boffs, size, (unsigned long)bh->b_size);
+ memcpy(bh->b_data + boffs, buf, size);
+ err = ldiskfs_journal_dirty_metadata(handle, bh);
+ if (err)
+ break;
+
+ if (offset + size > new_size)
+ new_size = offset + size;
+ offset += size;
+ bufsize -= size;
+ buf += size;
+ }
+ if (bh)
+ brelse(bh);
+
+ /* correct in-core and on-disk sizes */
+ if (new_size > i_size_read(inode)) {
+ spin_lock(&inode->i_lock);
+ if (new_size > i_size_read(inode))
+ i_size_write(inode, new_size);
+ if (i_size_read(inode) > LDISKFS_I(inode)->i_disksize) {
+ LDISKFS_I(inode)->i_disksize = i_size_read(inode);
+ dirty_inode = 1;
+ }
+ spin_unlock(&inode->i_lock);
+ if (dirty_inode)
+ inode->i_sb->s_op->dirty_inode(inode);
+ }
+
+ if (err == 0)
+ *offs = offset;
+ return err;
+}
+
+static ssize_t osd_write(const struct lu_env *env, struct dt_object *dt,
+ const struct lu_buf *buf, loff_t *pos,
+ struct thandle *handle, struct lustre_capa *capa,
+ int ignore_quota)
+{
+ struct osd_object *obj = osd_dt_obj(dt);
+ struct inode *inode = obj->oo_inode;
+ struct osd_thandle *oh;
+ ssize_t result = 0;
+#ifdef HAVE_QUOTA_SUPPORT
+ cfs_cap_t save = current->cap_effective;
+#endif
+
+ LASSERT(handle != NULL);
+
+ if (osd_object_auth(env, dt, capa, CAPA_OPC_BODY_WRITE))
+ RETURN(-EACCES);
+
+ oh = container_of(handle, struct osd_thandle, ot_super);
+ LASSERT(oh->ot_handle->h_transaction != NULL);
+#ifdef HAVE_QUOTA_SUPPORT
+ if (ignore_quota)
+ current->cap_effective |= CFS_CAP_SYS_RESOURCE_MASK;
+ else
+ current->cap_effective &= ~CFS_CAP_SYS_RESOURCE_MASK;
+#endif
+ /* Write small symlink to inode body as we need to maintain correct
+ * on-disk symlinks for ldiskfs.
+ */
+ if(S_ISLNK(obj->oo_dt.do_lu.lo_header->loh_attr) &&
+ (buf->lb_len < sizeof (LDISKFS_I(inode)->i_data)))
+ result = osd_ldiskfs_writelink(inode, buf->lb_buf, buf->lb_len);
+ else
+ result = osd_ldiskfs_write_record(inode, buf->lb_buf,
+ buf->lb_len, pos,
+ oh->ot_handle);
+#ifdef HAVE_QUOTA_SUPPORT
+ current->cap_effective = save;
+#endif
+ if (result == 0)
+ result = buf->lb_len;
+ return result;
+}
+
+static const struct dt_body_operations osd_body_ops = {
+ .dbo_read = osd_read,
+ .dbo_write = osd_write
+};
+
+
+/**
+ * delete a (key, value) pair from index \a dt specified by \a key
+ *
+ * \param dt osd index object
+ * \param key key for index
+ * \param rec record reference
+ * \param handle transaction handler
+ *
+ * \retval 0 success
+ * \retval -ve failure
+ */
+
+static int osd_index_iam_delete(const struct lu_env *env, struct dt_object *dt,
+ const struct dt_key *key, struct thandle *handle,
+ struct lustre_capa *capa)
{
struct osd_object *obj = osd_dt_obj(dt);
struct osd_thandle *oh;
ENTRY;
- LINVRNT(osd_invariant(obj));
- LASSERT(dt_object_exists(dt));
- LASSERT(bag->ic_object == obj->oo_inode);
- LASSERT(handle != NULL);
+ LINVRNT(osd_invariant(obj));
+ LASSERT(dt_object_exists(dt));
+ LASSERT(bag->ic_object == obj->oo_inode);
+ LASSERT(handle != NULL);
+
+ if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_DELETE))
+ RETURN(-EACCES);
+
+ ipd = osd_idx_ipd_get(env, bag);
+ if (unlikely(ipd == NULL))
+ RETURN(-ENOMEM);
+
+ oh = container_of0(handle, struct osd_thandle, ot_super);
+ LASSERT(oh->ot_handle != NULL);
+ LASSERT(oh->ot_handle->h_transaction != NULL);
+
+ rc = iam_delete(oh->ot_handle, bag, (const struct iam_key *)key, ipd);
+ osd_ipd_put(env, bag, ipd);
+ LINVRNT(osd_invariant(obj));
+ RETURN(rc);
+}
+
+static inline int osd_get_fid_from_dentry(struct ldiskfs_dir_entry_2 *de,
+ struct dt_rec *fid)
+{
+ struct osd_fid_pack *rec;
+ int rc = -ENODATA;
+
+ if (de->file_type & LDISKFS_DIRENT_LUFID) {
+ rec = (struct osd_fid_pack *) (de->name + de->name_len + 1);
+ rc = osd_fid_unpack((struct lu_fid *)fid, rec);
+ }
+ RETURN(rc);
+}
+
+/**
+ * Index delete function for interoperability mode (b11826).
+ * It will remove the directory entry added by osd_index_ea_insert().
+ * This entry is needed to maintain name->fid mapping.
+ *
+ * \param key, key i.e. file entry to be deleted
+ *
+ * \retval 0, on success
+ * \retval -ve, on error
+ */
+static int osd_index_ea_delete(const struct lu_env *env, struct dt_object *dt,
+ const struct dt_key *key, struct thandle *handle,
+ struct lustre_capa *capa)
+{
+ struct osd_object *obj = osd_dt_obj(dt);
+ struct inode *dir = obj->oo_inode;
+ struct dentry *dentry;
+ struct osd_thandle *oh;
+ struct ldiskfs_dir_entry_2 *de;
+ struct buffer_head *bh;
+
+ int rc;
+
+ ENTRY;
+
+ LINVRNT(osd_invariant(obj));
+ LASSERT(dt_object_exists(dt));
+ LASSERT(handle != NULL);
+
+ oh = container_of(handle, struct osd_thandle, ot_super);
+ LASSERT(oh->ot_handle != NULL);
+ LASSERT(oh->ot_handle->h_transaction != NULL);
+
+ if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_DELETE))
+ RETURN(-EACCES);
+
+ dentry = osd_child_dentry_get(env, obj,
+ (char *)key, strlen((char *)key));
+
+ cfs_down_write(&obj->oo_ext_idx_sem);
+ bh = ll_ldiskfs_find_entry(dir, dentry, &de);
+ if (bh) {
+ struct osd_thread_info *oti = osd_oti_get(env);
+ struct timespec *ctime = &oti->oti_time;
+ struct timespec *mtime = &oti->oti_time2;
+
+ *ctime = dir->i_ctime;
+ *mtime = dir->i_mtime;
+ rc = ldiskfs_delete_entry(oh->ot_handle,
+ dir, de, bh);
+ /* xtime should not be updated with server-side time. */
+ cfs_spin_lock(&obj->oo_guard);
+ dir->i_ctime = *ctime;
+ dir->i_mtime = *mtime;
+ cfs_spin_unlock(&obj->oo_guard);
+ mark_inode_dirty(dir);
+ brelse(bh);
+ } else
+ rc = -ENOENT;
+
+ cfs_up_write(&obj->oo_ext_idx_sem);
+ LASSERT(osd_invariant(obj));
+ RETURN(rc);
+}
+
+/**
+ * Lookup index for \a key and copy record to \a rec.
+ *
+ * \param dt osd index object
+ * \param key key for index
+ * \param rec record reference
+ *
+ * \retval +ve success : exact mach
+ * \retval 0 return record with key not greater than \a key
+ * \retval -ve failure
+ */
+static int osd_index_iam_lookup(const struct lu_env *env, struct dt_object *dt,
+ struct dt_rec *rec, const struct dt_key *key,
+ struct lustre_capa *capa)
+{
+ struct osd_object *obj = osd_dt_obj(dt);
+ struct iam_path_descr *ipd;
+ struct iam_container *bag = &obj->oo_dir->od_container;
+ struct osd_thread_info *oti = osd_oti_get(env);
+ struct iam_iterator *it = &oti->oti_idx_it;
+ struct iam_rec *iam_rec;
+ int rc;
+ ENTRY;
+
+ LASSERT(osd_invariant(obj));
+ LASSERT(dt_object_exists(dt));
+ LASSERT(bag->ic_object == obj->oo_inode);
+
+ if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_LOOKUP))
+ RETURN(-EACCES);
+
+ ipd = osd_idx_ipd_get(env, bag);
+ if (IS_ERR(ipd))
+ RETURN(-ENOMEM);
+
+ /* got ipd now we can start iterator. */
+ iam_it_init(it, bag, 0, ipd);
+
+ rc = iam_it_get(it, (struct iam_key *)key);
+ if (rc >= 0) {
+ if (S_ISDIR(obj->oo_inode->i_mode))
+ iam_rec = (struct iam_rec *)oti->oti_ldp;
+ else
+ iam_rec = (struct iam_rec *) rec;
+
+ iam_reccpy(&it->ii_path.ip_leaf, (struct iam_rec *)iam_rec);
+ if (S_ISDIR(obj->oo_inode->i_mode))
+ osd_fid_unpack((struct lu_fid *) rec,
+ (struct osd_fid_pack *)iam_rec);
+ }
+ iam_it_put(it);
+ iam_it_fini(it);
+ osd_ipd_put(env, bag, ipd);
+
+ LINVRNT(osd_invariant(obj));
+
+ RETURN(rc);
+}
+
+/**
+ * Inserts (key, value) pair in \a dt index object.
+ *
+ * \param dt osd index object
+ * \param key key for index
+ * \param rec record reference
+ * \param th transaction handler
+ *
+ * \retval 0 success
+ * \retval -ve failure
+ */
+static int osd_index_iam_insert(const struct lu_env *env, struct dt_object *dt,
+ const struct dt_rec *rec, const struct dt_key *key,
+ struct thandle *th, struct lustre_capa *capa,
+ int ignore_quota)
+{
+ struct osd_object *obj = osd_dt_obj(dt);
+ struct iam_path_descr *ipd;
+ struct osd_thandle *oh;
+ struct iam_container *bag = &obj->oo_dir->od_container;
+#ifdef HAVE_QUOTA_SUPPORT
+ cfs_cap_t save = current->cap_effective;
+#endif
+ struct osd_thread_info *oti = osd_oti_get(env);
+ struct iam_rec *iam_rec = (struct iam_rec *)oti->oti_ldp;
+ int rc;
+
+ ENTRY;
+
+ LINVRNT(osd_invariant(obj));
+ LASSERT(dt_object_exists(dt));
+ LASSERT(bag->ic_object == obj->oo_inode);
+ LASSERT(th != NULL);
+
+ if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_INSERT))
+ return -EACCES;
+
+ ipd = osd_idx_ipd_get(env, bag);
+ if (unlikely(ipd == NULL))
+ RETURN(-ENOMEM);
+
+ oh = container_of0(th, struct osd_thandle, ot_super);
+ LASSERT(oh->ot_handle != NULL);
+ LASSERT(oh->ot_handle->h_transaction != NULL);
+#ifdef HAVE_QUOTA_SUPPORT
+ if (ignore_quota)
+ current->cap_effective |= CFS_CAP_SYS_RESOURCE_MASK;
+ else
+ current->cap_effective &= ~CFS_CAP_SYS_RESOURCE_MASK;
+#endif
+ if (S_ISDIR(obj->oo_inode->i_mode))
+ osd_fid_pack((struct osd_fid_pack *)iam_rec, rec, &oti->oti_fid);
+ else
+ iam_rec = (struct iam_rec *) rec;
+ rc = iam_insert(oh->ot_handle, bag, (const struct iam_key *)key,
+ iam_rec, ipd);
+#ifdef HAVE_QUOTA_SUPPORT
+ current->cap_effective = save;
+#endif
+ osd_ipd_put(env, bag, ipd);
+ LINVRNT(osd_invariant(obj));
+ RETURN(rc);
+}
+
+/**
+ * Calls ldiskfs_add_entry() to add directory entry
+ * into the directory. This is required for
+ * interoperability mode (b11826)
+ *
+ * \retval 0, on success
+ * \retval -ve, on error
+ */
+static int __osd_ea_add_rec(struct osd_thread_info *info,
+ struct osd_object *pobj,
+ struct inode *cinode,
+ const char *name,
+ const struct dt_rec *fid,
+ struct thandle *th)
+{
+ struct ldiskfs_dentry_param *ldp;
+ struct dentry *child;
+ struct osd_thandle *oth;
+ int rc;
+
+ oth = container_of(th, struct osd_thandle, ot_super);
+ LASSERT(oth->ot_handle != NULL);
+ LASSERT(oth->ot_handle->h_transaction != NULL);
+
+ child = osd_child_dentry_get(info->oti_env, pobj, name, strlen(name));
+
+ if (fid_is_igif((struct lu_fid *)fid) ||
+ fid_seq((struct lu_fid *)fid) >= FID_SEQ_DISTRIBUTED_START) {
+ ldp = (struct ldiskfs_dentry_param *)info->oti_ldp;
+ osd_get_ldiskfs_dirent_param(ldp, fid);
+ child->d_fsdata = (void*) ldp;
+ } else
+ child->d_fsdata = NULL;
+ rc = ldiskfs_add_entry(oth->ot_handle, child, cinode);
+
+ RETURN(rc);
+}
+
+/**
+ * Calls ldiskfs_add_dot_dotdot() to add dot and dotdot entries
+ * into the directory.Also sets flags into osd object to
+ * indicate dot and dotdot are created. This is required for
+ * interoperability mode (b11826)
+ *
+ * \param dir directory for dot and dotdot fixup.
+ * \param obj child object for linking
+ *
+ * \retval 0, on success
+ * \retval -ve, on error
+ */
+static int osd_add_dot_dotdot(struct osd_thread_info *info,
+ struct osd_object *dir,
+ struct inode *parent_dir, const char *name,
+ const struct dt_rec *dot_fid,
+ const struct dt_rec *dot_dot_fid,
+ struct thandle *th)
+{
+ struct inode *inode = dir->oo_inode;
+ struct ldiskfs_dentry_param *dot_ldp;
+ struct ldiskfs_dentry_param *dot_dot_ldp;
+ struct osd_thandle *oth;
+ int result = 0;
+
+ oth = container_of(th, struct osd_thandle, ot_super);
+ LASSERT(oth->ot_handle->h_transaction != NULL);
+ LASSERT(S_ISDIR(dir->oo_inode->i_mode));
+
+ if (strcmp(name, dot) == 0) {
+ if (dir->oo_compat_dot_created) {
+ result = -EEXIST;
+ } else {
+ LASSERT(inode == parent_dir);
+ dir->oo_compat_dot_created = 1;
+ result = 0;
+ }
+ } else if(strcmp(name, dotdot) == 0) {
+ dot_ldp = (struct ldiskfs_dentry_param *)info->oti_ldp;
+ dot_dot_ldp = (struct ldiskfs_dentry_param *)info->oti_ldp2;
+
+ if (!dir->oo_compat_dot_created)
+ return -EINVAL;
+ if (fid_seq((struct lu_fid *) dot_fid) >= FID_SEQ_DISTRIBUTED_START) {
+ osd_get_ldiskfs_dirent_param(dot_ldp, dot_fid);
+ osd_get_ldiskfs_dirent_param(dot_dot_ldp, dot_dot_fid);
+ } else {
+ dot_ldp = NULL;
+ dot_dot_ldp = NULL;
+ }
+ /* in case of rename, dotdot is already created */
+ if (dir->oo_compat_dotdot_created) {
+ return __osd_ea_add_rec(info, dir, parent_dir, name,
+ dot_dot_fid, th);
+ }
+
+ result = ldiskfs_add_dot_dotdot(oth->ot_handle, parent_dir, inode,
+ dot_ldp, dot_dot_ldp);
+ if (result == 0)
+ dir->oo_compat_dotdot_created = 1;
+ }
+
+ return result;
+}
- if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_DELETE))
- RETURN(-EACCES);
- ipd = osd_ipd_get(env, bag);
- if (unlikely(ipd == NULL))
- RETURN(-ENOMEM);
+/**
+ * It will call the appropriate osd_add* function and return the
+ * value, return by respective functions.
+ */
+static int osd_ea_add_rec(const struct lu_env *env,
+ struct osd_object *pobj,
+ struct inode *cinode,
+ const char *name,
+ const struct dt_rec *fid,
+ struct thandle *th)
+{
+ struct osd_thread_info *info = osd_oti_get(env);
+ int rc;
- oh = container_of0(handle, struct osd_thandle, ot_super);
- LASSERT(oh->ot_handle != NULL);
- LASSERT(oh->ot_handle->h_transaction != NULL);
+ if (name[0] == '.' && (name[1] == '\0' || (name[1] == '.' &&
+ name[2] =='\0')))
+ rc = osd_add_dot_dotdot(info, pobj, cinode, name,
+ (struct dt_rec *)lu_object_fid(&pobj->oo_dt.do_lu),
+ fid, th);
+ else
+ rc = __osd_ea_add_rec(info, pobj, cinode, name, fid, th);
- rc = iam_delete(oh->ot_handle, bag, (const struct iam_key *)key, ipd);
- osd_ipd_put(env, bag, ipd);
- LINVRNT(osd_invariant(obj));
- RETURN(rc);
+ return rc;
}
-static int osd_index_lookup(const struct lu_env *env, struct dt_object *dt,
- struct dt_rec *rec, const struct dt_key *key,
- struct lustre_capa *capa)
-{
- struct osd_object *obj = osd_dt_obj(dt);
- struct iam_path_descr *ipd;
- struct iam_container *bag = &obj->oo_dir->od_container;
+/**
+ * Calls ->lookup() to find dentry. From dentry get inode and
+ * read inode's ea to get fid. This is required for interoperability
+ * mode (b11826)
+ *
+ * \retval 0, on success
+ * \retval -ve, on error
+ */
+static int osd_ea_lookup_rec(const struct lu_env *env, struct osd_object *obj,
+ struct dt_rec *rec, const struct dt_key *key)
+{
+ struct inode *dir = obj->oo_inode;
+ struct dentry *dentry;
+ struct ldiskfs_dir_entry_2 *de;
+ struct buffer_head *bh;
+ struct lu_fid *fid = (struct lu_fid *) rec;
+ int ino;
int rc;
- ENTRY;
+ LASSERT(dir->i_op != NULL && dir->i_op->lookup != NULL);
- LINVRNT(osd_invariant(obj));
- LASSERT(dt_object_exists(dt));
- LASSERT(bag->ic_object == obj->oo_inode);
+ dentry = osd_child_dentry_get(env, obj,
+ (char *)key, strlen((char *)key));
- if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_LOOKUP))
- return -EACCES;
+ cfs_down_read(&obj->oo_ext_idx_sem);
+ bh = ll_ldiskfs_find_entry(dir, dentry, &de);
+ if (bh) {
+ ino = le32_to_cpu(de->inode);
+ rc = osd_get_fid_from_dentry(de, rec);
- ipd = osd_ipd_get(env, bag);
- if (unlikely(ipd == NULL))
- RETURN(-ENOMEM);
+ /* done with de, release bh */
+ brelse(bh);
+ if (rc != 0)
+ rc = osd_ea_fid_get(env, obj, ino, fid);
+ } else
+ rc = -ENOENT;
- rc = iam_lookup(bag, (const struct iam_key *)key,
- (struct iam_rec *)rec, ipd);
- osd_ipd_put(env, bag, ipd);
- LINVRNT(osd_invariant(obj));
+ cfs_up_read(&obj->oo_ext_idx_sem);
+ RETURN (rc);
+}
- RETURN(rc);
+/**
+ * Find the osd object for given fid.
+ *
+ * \param fid need to find the osd object having this fid
+ *
+ * \retval osd_object on success
+ * \retval -ve on error
+ */
+struct osd_object *osd_object_find(const struct lu_env *env,
+ struct dt_object *dt,
+ const struct lu_fid *fid)
+{
+ struct lu_device *ludev = dt->do_lu.lo_dev;
+ struct osd_object *child = NULL;
+ struct lu_object *luch;
+ struct lu_object *lo;
+
+ luch = lu_object_find(env, ludev, fid, NULL);
+ if (!IS_ERR(luch)) {
+ if (lu_object_exists(luch)) {
+ lo = lu_object_locate(luch->lo_header, ludev->ld_type);
+ if (lo != NULL)
+ child = osd_obj(lo);
+ else
+ LU_OBJECT_DEBUG(D_ERROR, env, luch,
+ "lu_object can't be located"
+ ""DFID"\n", PFID(fid));
+
+ if (child == NULL) {
+ lu_object_put(env, luch);
+ CERROR("Unable to get osd_object\n");
+ child = ERR_PTR(-ENOENT);
+ }
+ } else {
+ LU_OBJECT_DEBUG(D_ERROR, env, luch,
+ "lu_object does not exists "DFID"\n",
+ PFID(fid));
+ child = ERR_PTR(-ENOENT);
+ }
+ } else
+ child = (void *)luch;
+
+ return child;
}
-static int osd_index_insert(const struct lu_env *env, struct dt_object *dt,
- const struct dt_rec *rec, const struct dt_key *key,
- struct thandle *th, struct lustre_capa *capa)
+/**
+ * Put the osd object once done with it.
+ *
+ * \param obj osd object that needs to be put
+ */
+static inline void osd_object_put(const struct lu_env *env,
+ struct osd_object *obj)
{
- struct osd_object *obj = osd_dt_obj(dt);
- struct iam_path_descr *ipd;
- struct osd_thandle *oh;
- struct iam_container *bag = &obj->oo_dir->od_container;
+ lu_object_put(env, &obj->oo_dt.do_lu);
+}
+
+/**
+ * Index add function for interoperability mode (b11826).
+ * It will add the directory entry.This entry is needed to
+ * maintain name->fid mapping.
+ *
+ * \param key it is key i.e. file entry to be inserted
+ * \param rec it is value of given key i.e. fid
+ *
+ * \retval 0, on success
+ * \retval -ve, on error
+ */
+static int osd_index_ea_insert(const struct lu_env *env, struct dt_object *dt,
+ const struct dt_rec *rec,
+ const struct dt_key *key, struct thandle *th,
+ struct lustre_capa *capa, int ignore_quota)
+{
+ struct osd_object *obj = osd_dt_obj(dt);
+ struct lu_fid *fid = (struct lu_fid *) rec;
+ const char *name = (const char *)key;
+ struct osd_object *child;
+#ifdef HAVE_QUOTA_SUPPORT
+ cfs_cap_t save = current->cap_effective;
+#endif
int rc;
ENTRY;
- LINVRNT(osd_invariant(obj));
+ LASSERT(osd_invariant(obj));
LASSERT(dt_object_exists(dt));
- LASSERT(bag->ic_object == obj->oo_inode);
LASSERT(th != NULL);
if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_INSERT))
- return -EACCES;
+ RETURN(-EACCES);
- ipd = osd_ipd_get(env, bag);
- if (unlikely(ipd == NULL))
- RETURN(-ENOMEM);
+ child = osd_object_find(env, dt, fid);
+ if (!IS_ERR(child)) {
+ struct inode *inode = obj->oo_inode;
+ struct osd_thread_info *oti = osd_oti_get(env);
+ struct timespec *ctime = &oti->oti_time;
+ struct timespec *mtime = &oti->oti_time2;
+
+ *ctime = inode->i_ctime;
+ *mtime = inode->i_mtime;
+#ifdef HAVE_QUOTA_SUPPORT
+ if (ignore_quota)
+ current->cap_effective |= CFS_CAP_SYS_RESOURCE_MASK;
+ else
+ current->cap_effective &= ~CFS_CAP_SYS_RESOURCE_MASK;
+#endif
+ cfs_down_write(&obj->oo_ext_idx_sem);
+ rc = osd_ea_add_rec(env, obj, child->oo_inode, name, rec, th);
+ cfs_up_write(&obj->oo_ext_idx_sem);
+#ifdef HAVE_QUOTA_SUPPORT
+ current->cap_effective = save;
+#endif
+ osd_object_put(env, child);
+ /* xtime should not be updated with server-side time. */
+ cfs_spin_lock(&obj->oo_guard);
+ inode->i_ctime = *ctime;
+ inode->i_mtime = *mtime;
+ cfs_spin_unlock(&obj->oo_guard);
+ mark_inode_dirty(inode);
+ } else {
+ rc = PTR_ERR(child);
+ }
- oh = container_of0(th, struct osd_thandle, ot_super);
- LASSERT(oh->ot_handle != NULL);
- LASSERT(oh->ot_handle->h_transaction != NULL);
- rc = iam_insert(oh->ot_handle, bag, (const struct iam_key *)key,
- (struct iam_rec *)rec, ipd);
- osd_ipd_put(env, bag, ipd);
- LINVRNT(osd_invariant(obj));
+ LASSERT(osd_invariant(obj));
RETURN(rc);
}
-/*
- * Iterator operations.
+/**
+ * Initialize osd Iterator for given osd index object.
+ *
+ * \param dt osd index object
*/
-struct osd_it {
- struct osd_object *oi_obj;
- struct iam_path_descr *oi_ipd;
- struct iam_iterator oi_it;
-};
-static struct dt_it *osd_it_init(const struct lu_env *env,
- struct dt_object *dt, int writable,
+static struct dt_it *osd_it_iam_init(const struct lu_env *env,
+ struct dt_object *dt,
struct lustre_capa *capa)
{
- struct osd_it *it;
+ struct osd_it_iam *it;
+ struct osd_thread_info *oti = osd_oti_get(env);
struct osd_object *obj = osd_dt_obj(dt);
struct lu_object *lo = &dt->do_lu;
struct iam_path_descr *ipd;
struct iam_container *bag = &obj->oo_dir->od_container;
- __u32 flags;
LASSERT(lu_object_exists(lo));
- if (osd_object_auth(env, dt, capa, writable ? CAPA_OPC_BODY_WRITE :
- CAPA_OPC_BODY_READ))
+ if (osd_object_auth(env, dt, capa, CAPA_OPC_BODY_READ))
return ERR_PTR(-EACCES);
- flags = writable ? IAM_IT_MOVE|IAM_IT_WRITE : IAM_IT_MOVE;
- OBD_ALLOC_PTR(it);
- if (it != NULL) {
- /*
- * XXX: as ipd is allocated within osd_thread_info, assignment
- * below implies that iterator usage is confined within single
- * environment.
- */
- ipd = osd_ipd_get(env, bag);
- if (likely(ipd != NULL)) {
- it->oi_obj = obj;
- it->oi_ipd = ipd;
- lu_object_get(lo);
- iam_it_init(&it->oi_it, bag, flags, ipd);
- return (struct dt_it *)it;
- } else
- OBD_FREE_PTR(it);
+ it = &oti->oti_it;
+ ipd = osd_it_ipd_get(env, bag);
+ if (likely(ipd != NULL)) {
+ it->oi_obj = obj;
+ it->oi_ipd = ipd;
+ lu_object_get(lo);
+ iam_it_init(&it->oi_it, bag, IAM_IT_MOVE, ipd);
+ return (struct dt_it *)it;
}
return ERR_PTR(-ENOMEM);
}
-static void osd_it_fini(const struct lu_env *env, struct dt_it *di)
+/**
+ * free given Iterator.
+ */
+
+static void osd_it_iam_fini(const struct lu_env *env, struct dt_it *di)
{
- struct osd_it *it = (struct osd_it *)di;
+ struct osd_it_iam *it = (struct osd_it_iam *)di;
struct osd_object *obj = it->oi_obj;
iam_it_fini(&it->oi_it);
osd_ipd_put(env, &obj->oo_dir->od_container, it->oi_ipd);
lu_object_put(env, &obj->oo_dt.do_lu);
- OBD_FREE_PTR(it);
}
-static int osd_it_get(const struct lu_env *env,
+/**
+ * Move Iterator to record specified by \a key
+ *
+ * \param di osd iterator
+ * \param key key for index
+ *
+ * \retval +ve di points to record with least key not larger than key
+ * \retval 0 di points to exact matched key
+ * \retval -ve failure
+ */
+
+static int osd_it_iam_get(const struct lu_env *env,
struct dt_it *di, const struct dt_key *key)
{
- struct osd_it *it = (struct osd_it *)di;
+ struct osd_it_iam *it = (struct osd_it_iam *)di;
return iam_it_get(&it->oi_it, (const struct iam_key *)key);
}
-static void osd_it_put(const struct lu_env *env, struct dt_it *di)
+/**
+ * Release Iterator
+ *
+ * \param di osd iterator
+ */
+
+static void osd_it_iam_put(const struct lu_env *env, struct dt_it *di)
{
- struct osd_it *it = (struct osd_it *)di;
+ struct osd_it_iam *it = (struct osd_it_iam *)di;
iam_it_put(&it->oi_it);
}
-static int osd_it_next(const struct lu_env *env, struct dt_it *di)
+/**
+ * Move iterator by one record
+ *
+ * \param di osd iterator
+ *
+ * \retval +1 end of container reached
+ * \retval 0 success
+ * \retval -ve failure
+ */
+
+static int osd_it_iam_next(const struct lu_env *env, struct dt_it *di)
{
- struct osd_it *it = (struct osd_it *)di;
+ struct osd_it_iam *it = (struct osd_it_iam *)di;
return iam_it_next(&it->oi_it);
}
-static int osd_it_del(const struct lu_env *env, struct dt_it *di,
- struct thandle *th)
+/**
+ * Return pointer to the key under iterator.
+ */
+
+static struct dt_key *osd_it_iam_key(const struct lu_env *env,
+ const struct dt_it *di)
{
- struct osd_it *it = (struct osd_it *)di;
- struct osd_thandle *oh;
+ struct osd_it_iam *it = (struct osd_it_iam *)di;
- LASSERT(th != NULL);
+ return (struct dt_key *)iam_it_key_get(&it->oi_it);
+}
- oh = container_of0(th, struct osd_thandle, ot_super);
- LASSERT(oh->ot_handle != NULL);
- LASSERT(oh->ot_handle->h_transaction != NULL);
+/**
+ * Return size of key under iterator (in bytes)
+ */
+
+static int osd_it_iam_key_size(const struct lu_env *env, const struct dt_it *di)
+{
+ struct osd_it_iam *it = (struct osd_it_iam *)di;
- return iam_it_rec_delete(oh->ot_handle, &it->oi_it);
+ return iam_it_key_size(&it->oi_it);
}
-static struct dt_key *osd_it_key(const struct lu_env *env,
- const struct dt_it *di)
+static inline void osd_it_append_attrs(struct lu_dirent*ent,
+ __u32 attr,
+ int len,
+ __u16 type)
{
- struct osd_it *it = (struct osd_it *)di;
+ struct luda_type *lt;
+ const unsigned align = sizeof(struct luda_type) - 1;
- return (struct dt_key *)iam_it_key_get(&it->oi_it);
+ /* check if file type is required */
+ if (attr & LUDA_TYPE) {
+ len = (len + align) & ~align;
+
+ lt = (void *) ent->lde_name + len;
+ lt->lt_type = cpu_to_le16(CFS_DTTOIF(type));
+ ent->lde_attrs |= LUDA_TYPE;
+ }
+
+ ent->lde_attrs = cpu_to_le32(ent->lde_attrs);
}
-static int osd_it_key_size(const struct lu_env *env, const struct dt_it *di)
+/**
+ * build lu direct from backend fs dirent.
+ */
+
+static inline void osd_it_pack_dirent(struct lu_dirent *ent,
+ struct lu_fid *fid,
+ __u64 offset,
+ char *name,
+ __u16 namelen,
+ __u16 type,
+ __u32 attr)
{
- struct osd_it *it = (struct osd_it *)di;
+ fid_cpu_to_le(&ent->lde_fid, fid);
+ ent->lde_attrs = LUDA_FID;
- return iam_it_key_size(&it->oi_it);
+ ent->lde_hash = cpu_to_le64(offset);
+ ent->lde_reclen = cpu_to_le16(lu_dirent_calc_size(namelen, attr));
+
+ strncpy(ent->lde_name, name, namelen);
+ ent->lde_namelen = cpu_to_le16(namelen);
+
+ /* append lustre attributes */
+ osd_it_append_attrs(ent, attr, namelen, type);
}
-static struct dt_rec *osd_it_rec(const struct lu_env *env,
- const struct dt_it *di)
+/**
+ * Return pointer to the record under iterator.
+ */
+static int osd_it_iam_rec(const struct lu_env *env,
+ const struct dt_it *di,
+ struct lu_dirent *lde,
+ __u32 attr)
{
- struct osd_it *it = (struct osd_it *)di;
+ struct osd_it_iam *it = (struct osd_it_iam *)di;
+ struct osd_thread_info *info = osd_oti_get(env);
+ struct lu_fid *fid = &info->oti_fid;
+ const struct osd_fid_pack *rec;
+ char *name;
+ int namelen;
+ __u64 hash;
+ int rc;
+
+ name = (char *)iam_it_key_get(&it->oi_it);
+ if (IS_ERR(name))
+ RETURN(PTR_ERR(name));
+
+ namelen = iam_it_key_size(&it->oi_it);
- return (struct dt_rec *)iam_it_rec_get(&it->oi_it);
+ rec = (const struct osd_fid_pack *) iam_it_rec_get(&it->oi_it);
+ if (IS_ERR(rec))
+ RETURN(PTR_ERR(rec));
+
+ rc = osd_fid_unpack(fid, rec);
+ if (rc)
+ RETURN(rc);
+
+ hash = iam_it_store(&it->oi_it);
+
+ /* IAM does not store object type in IAM index (dir) */
+ osd_it_pack_dirent(lde, fid, hash, name, namelen,
+ 0, LUDA_FID);
+
+ return 0;
}
-static __u64 osd_it_store(const struct lu_env *env, const struct dt_it *di)
+/**
+ * Returns cookie for current Iterator position.
+ */
+static __u64 osd_it_iam_store(const struct lu_env *env, const struct dt_it *di)
{
- struct osd_it *it = (struct osd_it *)di;
+ struct osd_it_iam *it = (struct osd_it_iam *)di;
return iam_it_store(&it->oi_it);
}
-static int osd_it_load(const struct lu_env *env,
+/**
+ * Restore iterator from cookie.
+ *
+ * \param di osd iterator
+ * \param hash Iterator location cookie
+ *
+ * \retval +ve di points to record with least key not larger than key.
+ * \retval 0 di points to exact matched key
+ * \retval -ve failure
+ */
+
+static int osd_it_iam_load(const struct lu_env *env,
const struct dt_it *di, __u64 hash)
{
- struct osd_it *it = (struct osd_it *)di;
+ struct osd_it_iam *it = (struct osd_it_iam *)di;
return iam_it_load(&it->oi_it, hash);
}
-static struct dt_index_operations osd_index_ops = {
- .dio_lookup = osd_index_lookup,
- .dio_insert = osd_index_insert,
- .dio_delete = osd_index_delete,
+static const struct dt_index_operations osd_index_iam_ops = {
+ .dio_lookup = osd_index_iam_lookup,
+ .dio_insert = osd_index_iam_insert,
+ .dio_delete = osd_index_iam_delete,
.dio_it = {
- .init = osd_it_init,
- .fini = osd_it_fini,
- .get = osd_it_get,
- .put = osd_it_put,
- .del = osd_it_del,
- .next = osd_it_next,
- .key = osd_it_key,
- .key_size = osd_it_key_size,
- .rec = osd_it_rec,
- .store = osd_it_store,
- .load = osd_it_load
+ .init = osd_it_iam_init,
+ .fini = osd_it_iam_fini,
+ .get = osd_it_iam_get,
+ .put = osd_it_iam_put,
+ .next = osd_it_iam_next,
+ .key = osd_it_iam_key,
+ .key_size = osd_it_iam_key_size,
+ .rec = osd_it_iam_rec,
+ .store = osd_it_iam_store,
+ .load = osd_it_iam_load
}
};
-static int osd_index_compat_delete(const struct lu_env *env,
- struct dt_object *dt,
- const struct dt_key *key,
- struct thandle *handle,
- struct lustre_capa *capa)
+/**
+ * Creates or initializes iterator context.
+ *
+ * \retval struct osd_it_ea, iterator structure on success
+ *
+ */
+static struct dt_it *osd_it_ea_init(const struct lu_env *env,
+ struct dt_object *dt,
+ struct lustre_capa *capa)
+{
+ struct osd_object *obj = osd_dt_obj(dt);
+ struct osd_thread_info *info = osd_oti_get(env);
+ struct osd_it_ea *it = &info->oti_it_ea;
+ struct lu_object *lo = &dt->do_lu;
+ struct dentry *obj_dentry = &info->oti_it_dentry;
+ ENTRY;
+ LASSERT(lu_object_exists(lo));
+
+ obj_dentry->d_inode = obj->oo_inode;
+ obj_dentry->d_sb = osd_sb(osd_obj2dev(obj));
+ obj_dentry->d_name.hash = 0;
+
+ it->oie_rd_dirent = 0;
+ it->oie_it_dirent = 0;
+ it->oie_dirent = NULL;
+ it->oie_buf = info->oti_it_ea_buf;
+ it->oie_obj = obj;
+ it->oie_file.f_pos = 0;
+ it->oie_file.f_dentry = obj_dentry;
+ it->oie_file.f_mapping = obj->oo_inode->i_mapping;
+ it->oie_file.f_op = obj->oo_inode->i_fop;
+ it->oie_file.private_data = NULL;
+ lu_object_get(lo);
+ RETURN((struct dt_it *) it);
+}
+
+/**
+ * Destroy or finishes iterator context.
+ *
+ * \param di iterator structure to be destroyed
+ */
+static void osd_it_ea_fini(const struct lu_env *env, struct dt_it *di)
{
- struct osd_object *obj = osd_dt_obj(dt);
+ struct osd_it_ea *it = (struct osd_it_ea *)di;
+ struct osd_object *obj = it->oie_obj;
+ struct inode *inode = obj->oo_inode;
- LASSERT(handle != NULL);
- LASSERT(S_ISDIR(obj->oo_inode->i_mode));
ENTRY;
+ it->oie_file.f_op->release(inode, &it->oie_file);
+ lu_object_put(env, &obj->oo_dt.do_lu);
+ EXIT;
+}
-#if 0
- if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_DELETE))
- RETURN(-EACCES);
-#endif
+/**
+ * It position the iterator at given key, so that next lookup continues from
+ * that key Or it is similar to dio_it->load() but based on a key,
+ * rather than file position.
+ *
+ * As a special convention, osd_it_ea_get(env, di, "") has to rewind iterator
+ * to the beginning.
+ *
+ * TODO: Presently return +1 considering it is only used by mdd_dir_is_empty().
+ */
+static int osd_it_ea_get(const struct lu_env *env,
+ struct dt_it *di, const struct dt_key *key)
+{
+ struct osd_it_ea *it = (struct osd_it_ea *)di;
+
+ ENTRY;
+ LASSERT(((const char *)key)[0] == '\0');
+ it->oie_file.f_pos = 0;
+ it->oie_rd_dirent = 0;
+ it->oie_it_dirent = 0;
+ it->oie_dirent = NULL;
- RETURN(-EOPNOTSUPP);
+ RETURN(+1);
}
-/*
- * Compatibility index operations.
+/**
+ * Does nothing
+ */
+static void osd_it_ea_put(const struct lu_env *env, struct dt_it *di)
+{
+}
+
+/**
+ * It is called internally by ->readdir(). It fills the
+ * iterator's in-memory data structure with required
+ * information i.e. name, namelen, rec_size etc.
+ *
+ * \param buf in which information to be filled in.
+ * \param name name of the file in given dir
+ *
+ * \retval 0 on success
+ * \retval 1 on buffer full
*/
+static int osd_ldiskfs_filldir(char *buf, const char *name, int namelen,
+ loff_t offset, __u64 ino,
+ unsigned d_type)
+{
+ struct osd_it_ea *it = (struct osd_it_ea *)buf;
+ struct osd_it_ea_dirent *ent = it->oie_dirent;
+ struct lu_fid *fid = &ent->oied_fid;
+ struct osd_fid_pack *rec;
+ ENTRY;
+ /* this should never happen */
+ if (unlikely(namelen == 0 || namelen > LDISKFS_NAME_LEN)) {
+ CERROR("ldiskfs return invalid namelen %d\n", namelen);
+ RETURN(-EIO);
+ }
-static void osd_build_pack(const struct lu_env *env, struct osd_device *osd,
- struct dentry *dentry, struct lu_fid_pack *pack)
-{
- struct inode *inode = dentry->d_inode;
- struct lu_fid *fid = &osd_oti_get(env)->oti_fid;
+ if ((void *) ent - it->oie_buf + sizeof(*ent) + namelen >
+ OSD_IT_EA_BUFSIZE)
+ RETURN(1);
- lu_igif_build(fid, inode->i_ino, inode->i_generation);
- fid_cpu_to_be(fid, fid);
- pack->fp_len = sizeof *fid + 1;
- memcpy(pack->fp_area, fid, sizeof *fid);
+ if (d_type & LDISKFS_DIRENT_LUFID) {
+ rec = (struct osd_fid_pack*) (name + namelen + 1);
+
+ if (osd_fid_unpack(fid, rec) != 0)
+ fid_zero(fid);
+
+ d_type &= ~LDISKFS_DIRENT_LUFID;
+ } else {
+ fid_zero(fid);
+ }
+
+ ent->oied_ino = ino;
+ ent->oied_off = offset;
+ ent->oied_namelen = namelen;
+ ent->oied_type = d_type;
+
+ memcpy(ent->oied_name, name, namelen);
+
+ it->oie_rd_dirent++;
+ it->oie_dirent = (void *) ent + cfs_size_round(sizeof(*ent) + namelen);
+ RETURN(0);
}
-static int osd_index_compat_lookup(const struct lu_env *env,
- struct dt_object *dt,
- struct dt_rec *rec, const struct dt_key *key,
- struct lustre_capa *capa)
+/**
+ * Calls ->readdir() to load a directory entry at a time
+ * and stored it in iterator's in-memory data structure.
+ *
+ * \param di iterator's in memory structure
+ *
+ * \retval 0 on success
+ * \retval -ve on error
+ */
+static int osd_ldiskfs_it_fill(const struct dt_it *di)
{
- struct osd_object *obj = osd_dt_obj(dt);
+ struct osd_it_ea *it = (struct osd_it_ea *)di;
+ struct osd_object *obj = it->oie_obj;
+ struct inode *inode = obj->oo_inode;
+ int result = 0;
- struct osd_device *osd = osd_obj2dev(obj);
- struct osd_thread_info *info = osd_oti_get(env);
- struct inode *dir;
+ ENTRY;
+ it->oie_dirent = it->oie_buf;
+ it->oie_rd_dirent = 0;
- int result;
+ cfs_down_read(&obj->oo_ext_idx_sem);
+ result = inode->i_fop->readdir(&it->oie_file, it,
+ (filldir_t) osd_ldiskfs_filldir);
- /*
- * XXX temporary solution.
- */
- struct dentry *dentry;
- struct dentry *parent;
+ cfs_up_read(&obj->oo_ext_idx_sem);
- LINVRNT(osd_invariant(obj));
- LASSERT(S_ISDIR(obj->oo_inode->i_mode));
- LASSERT(osd_has_index(obj));
+ if (it->oie_rd_dirent == 0) {
+ result = -EIO;
+ } else {
+ it->oie_dirent = it->oie_buf;
+ it->oie_it_dirent = 1;
+ }
- if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_LOOKUP))
- return -EACCES;
+ RETURN(result);
+}
+
+/**
+ * It calls osd_ldiskfs_it_fill() which will use ->readdir()
+ * to load a directory entry at a time and stored it in
+ * iterator's in-memory data structure.
+ *
+ * \param di iterator's in memory structure
+ *
+ * \retval +ve iterator reached to end
+ * \retval 0 iterator not reached to end
+ * \retval -ve on error
+ */
+static int osd_it_ea_next(const struct lu_env *env, struct dt_it *di)
+{
+ struct osd_it_ea *it = (struct osd_it_ea *)di;
+ int rc;
- info->oti_str.name = (const char *)key;
- info->oti_str.len = strlen((const char *)key);
+ ENTRY;
- dir = obj->oo_inode;
- LASSERT(dir->i_op != NULL && dir->i_op->lookup != NULL);
+ if (it->oie_it_dirent < it->oie_rd_dirent) {
+ it->oie_dirent =
+ (void *) it->oie_dirent +
+ cfs_size_round(sizeof(struct osd_it_ea_dirent) +
+ it->oie_dirent->oied_namelen);
+ it->oie_it_dirent++;
+ RETURN(0);
+ } else {
+ if (it->oie_file.f_pos == LDISKFS_HTREE_EOF)
+ rc = +1;
+ else
+ rc = osd_ldiskfs_it_fill(di);
+ }
- parent = d_alloc_root(dir);
- if (parent == NULL)
- return -ENOMEM;
- igrab(dir);
- dentry = d_alloc(parent, &info->oti_str);
- if (dentry != NULL) {
- struct dentry *d;
+ RETURN(rc);
+}
- /*
- * XXX passing NULL for nameidata should work for
- * ext3/ldiskfs.
- */
- d = dir->i_op->lookup(dir, dentry, NULL);
- if (d == NULL) {
- /*
- * normal case, result is in @dentry.
- */
- if (dentry->d_inode != NULL) {
- osd_build_pack(env, osd, dentry,
- (struct lu_fid_pack *)rec);
- result = 0;
- } else
- result = -ENOENT;
- } else {
- /* What? Disconnected alias? Ppheeeww... */
- CERROR("Aliasing where not expected\n");
- result = -EIO;
- dput(d);
- }
- dput(dentry);
- } else
- result = -ENOMEM;
- dput(parent);
- LINVRNT(osd_invariant(obj));
- return result;
+/**
+ * Returns the key at current position from iterator's in memory structure.
+ *
+ * \param di iterator's in memory structure
+ *
+ * \retval key i.e. struct dt_key on success
+ */
+static struct dt_key *osd_it_ea_key(const struct lu_env *env,
+ const struct dt_it *di)
+{
+ struct osd_it_ea *it = (struct osd_it_ea *)di;
+ ENTRY;
+ RETURN((struct dt_key *)it->oie_dirent->oied_name);
+}
+
+/**
+ * Returns the key's size at current position from iterator's in memory structure.
+ *
+ * \param di iterator's in memory structure
+ *
+ * \retval key_size i.e. struct dt_key on success
+ */
+static int osd_it_ea_key_size(const struct lu_env *env, const struct dt_it *di)
+{
+ struct osd_it_ea *it = (struct osd_it_ea *)di;
+ ENTRY;
+ RETURN(it->oie_dirent->oied_namelen);
}
-static int osd_add_rec(struct osd_thread_info *info, struct osd_device *dev,
- struct inode *dir, struct inode *inode, const char *name)
+
+/**
+ * Returns the value (i.e. fid/igif) at current position from iterator's
+ * in memory structure.
+ *
+ * \param di struct osd_it_ea, iterator's in memory structure
+ * \param attr attr requested for dirent.
+ * \param lde lustre dirent
+ *
+ * \retval 0 no error and \param lde has correct lustre dirent.
+ * \retval -ve on error
+ */
+static inline int osd_it_ea_rec(const struct lu_env *env,
+ const struct dt_it *di,
+ struct lu_dirent *lde,
+ __u32 attr)
{
- struct dentry *old;
- struct dentry *new;
- struct dentry *parent;
+ struct osd_it_ea *it = (struct osd_it_ea *)di;
+ struct osd_object *obj = it->oie_obj;
+ struct lu_fid *fid = &it->oie_dirent->oied_fid;
+ int rc = 0;
- int result;
+ ENTRY;
- info->oti_str.name = name;
- info->oti_str.len = strlen(name);
-
- LASSERT(atomic_read(&dir->i_count) > 0);
- result = -ENOMEM;
- old = d_alloc(dev->od_obj_area, &info->oti_str);
- if (old != NULL) {
- d_instantiate(old, inode);
- igrab(inode);
- LASSERT(atomic_read(&dir->i_count) > 0);
- parent = d_alloc_root(dir);
- if (parent != NULL) {
- igrab(dir);
- LASSERT(atomic_read(&dir->i_count) > 1);
- new = d_alloc(parent, &info->oti_str);
- LASSERT(atomic_read(&dir->i_count) > 1);
- if (new != NULL) {
- LASSERT(atomic_read(&dir->i_count) > 1);
- result = dir->i_op->link(old, dir, new);
- LASSERT(atomic_read(&dir->i_count) > 1);
- dput(new);
- LASSERT(atomic_read(&dir->i_count) > 1);
- }
- LASSERT(atomic_read(&dir->i_count) > 1);
- dput(parent);
- LASSERT(atomic_read(&dir->i_count) > 0);
- }
- dput(old);
- }
- LASSERT(atomic_read(&dir->i_count) > 0);
- return result;
+ if (!fid_is_sane(fid))
+ rc = osd_ea_fid_get(env, obj, it->oie_dirent->oied_ino, fid);
+
+ if (rc == 0)
+ osd_it_pack_dirent(lde, fid, it->oie_dirent->oied_off,
+ it->oie_dirent->oied_name,
+ it->oie_dirent->oied_namelen,
+ it->oie_dirent->oied_type,
+ attr);
+ RETURN(rc);
}
+/**
+ * Returns a cookie for current position of the iterator head, so that
+ * user can use this cookie to load/start the iterator next time.
+ *
+ * \param di iterator's in memory structure
+ *
+ * \retval cookie for current position, on success
+ */
+static __u64 osd_it_ea_store(const struct lu_env *env, const struct dt_it *di)
+{
+ struct osd_it_ea *it = (struct osd_it_ea *)di;
+ ENTRY;
+ RETURN(it->oie_dirent->oied_off);
+}
-/*
- * XXX Temporary stuff.
+/**
+ * It calls osd_ldiskfs_it_fill() which will use ->readdir()
+ * to load a directory entry at a time and stored it i inn,
+ * in iterator's in-memory data structure.
+ *
+ * \param di struct osd_it_ea, iterator's in memory structure
+ *
+ * \retval +ve on success
+ * \retval -ve on error
*/
-static int osd_index_compat_insert(const struct lu_env *env,
- struct dt_object *dt,
- const struct dt_rec *rec,
- const struct dt_key *key, struct thandle *th,
- struct lustre_capa *capa)
+static int osd_it_ea_load(const struct lu_env *env,
+ const struct dt_it *di, __u64 hash)
{
- struct osd_object *obj = osd_dt_obj(dt);
+ struct osd_it_ea *it = (struct osd_it_ea *)di;
+ int rc;
- const char *name = (const char *)key;
+ ENTRY;
+ it->oie_file.f_pos = hash;
- struct lu_device *ludev = dt->do_lu.lo_dev;
- struct lu_object *luch;
+ rc = osd_ldiskfs_it_fill(di);
+ if (rc == 0)
+ rc = +1;
- struct osd_thread_info *info = osd_oti_get(env);
- const struct lu_fid_pack *pack = (const struct lu_fid_pack *)rec;
- struct lu_fid *fid = &osd_oti_get(env)->oti_fid;
+ RETURN(rc);
+}
- int result;
+/**
+ * Index lookup function for interoperability mode (b11826).
+ *
+ * \param key, key i.e. file name to be searched
+ *
+ * \retval +ve, on success
+ * \retval -ve, on error
+ */
+static int osd_index_ea_lookup(const struct lu_env *env, struct dt_object *dt,
+ struct dt_rec *rec, const struct dt_key *key,
+ struct lustre_capa *capa)
+{
+ struct osd_object *obj = osd_dt_obj(dt);
+ int rc = 0;
+
+ ENTRY;
LASSERT(S_ISDIR(obj->oo_inode->i_mode));
LINVRNT(osd_invariant(obj));
- LASSERT(th != NULL);
- if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_INSERT))
+ if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_LOOKUP))
return -EACCES;
- result = fid_unpack(pack, fid);
- if (result != 0)
- return result;
+ rc = osd_ea_lookup_rec(env, obj, rec, key);
- luch = lu_object_find(env, ludev, fid, NULL);
- if (!IS_ERR(luch)) {
- if (lu_object_exists(luch)) {
- struct osd_object *child;
-
- child = osd_obj(lu_object_locate(luch->lo_header,
- ludev->ld_type));
- if (child != NULL)
- result = osd_add_rec(info, osd_obj2dev(obj),
- obj->oo_inode,
- child->oo_inode, name);
- else {
- CERROR("No osd slice.\n");
- result = -ENOENT;
- }
- LINVRNT(osd_invariant(obj));
- LINVRNT(osd_invariant(child));
- } else {
- CERROR("Sorry.\n");
- result = -ENOENT;
- }
- lu_object_put(env, luch);
- } else
- result = PTR_ERR(luch);
- LINVRNT(osd_invariant(obj));
- return result;
+ if (rc == 0)
+ rc = +1;
+ RETURN(rc);
}
-static const struct dt_index_operations osd_index_compat_ops = {
- .dio_lookup = osd_index_compat_lookup,
- .dio_insert = osd_index_compat_insert,
- .dio_delete = osd_index_compat_delete
-};
-
-/* type constructor/destructor: osd_type_init, osd_type_fini */
-LU_TYPE_INIT_FINI(osd, &osd_key);
-
-static struct lu_context_key osd_key = {
- .lct_tags = LCT_DT_THREAD | LCT_MD_THREAD,
- .lct_init = osd_key_init,
- .lct_fini = osd_key_fini,
- .lct_exit = osd_key_exit
+/**
+ * Index and Iterator operations for interoperability
+ * mode (i.e. to run 2.0 mds on 1.8 disk) (b11826)
+ */
+static const struct dt_index_operations osd_index_ea_ops = {
+ .dio_lookup = osd_index_ea_lookup,
+ .dio_insert = osd_index_ea_insert,
+ .dio_delete = osd_index_ea_delete,
+ .dio_it = {
+ .init = osd_it_ea_init,
+ .fini = osd_it_ea_fini,
+ .get = osd_it_ea_get,
+ .put = osd_it_ea_put,
+ .next = osd_it_ea_next,
+ .key = osd_it_ea_key,
+ .key_size = osd_it_ea_key_size,
+ .rec = osd_it_ea_rec,
+ .store = osd_it_ea_store,
+ .load = osd_it_ea_load
+ }
};
static void *osd_key_init(const struct lu_context *ctx,
struct osd_thread_info *info;
OBD_ALLOC_PTR(info);
- if (info != NULL)
- info->oti_env = container_of(ctx, struct lu_env, le_ctx);
- else
+ if (info != NULL) {
+ OBD_ALLOC(info->oti_it_ea_buf, OSD_IT_EA_BUFSIZE);
+ if (info->oti_it_ea_buf != NULL) {
+ info->oti_env = container_of(ctx, struct lu_env,
+ le_ctx);
+ } else {
+ OBD_FREE_PTR(info);
+ info = ERR_PTR(-ENOMEM);
+ }
+ } else {
info = ERR_PTR(-ENOMEM);
+ }
return info;
}
-/* context key destructor: osd_key_fini */
-LU_KEY_FINI(osd, struct osd_thread_info);
+static void osd_key_fini(const struct lu_context *ctx,
+ struct lu_context_key *key, void* data)
+{
+ struct osd_thread_info *info = data;
+
+ OBD_FREE(info->oti_it_ea_buf, OSD_IT_EA_BUFSIZE);
+ OBD_FREE_PTR(info);
+}
static void osd_key_exit(const struct lu_context *ctx,
struct lu_context_key *key, void *data)
LASSERT(info->oti_txns == 0);
}
+/* type constructor/destructor: osd_type_init, osd_type_fini */
+LU_TYPE_INIT_FINI(osd, &osd_key);
+
+static struct lu_context_key osd_key = {
+ .lct_tags = LCT_DT_THREAD | LCT_MD_THREAD,
+ .lct_init = osd_key_init,
+ .lct_fini = osd_key_fini,
+ .lct_exit = osd_key_exit
+};
+
+
static int osd_device_init(const struct lu_env *env, struct lu_device *d,
const char *name, struct lu_device *next)
{
int rc;
+ struct lu_context *ctx;
+
/* context for commit hooks */
- rc = lu_context_init(&osd_dev(d)->od_env_for_commit.le_ctx,
- LCT_MD_THREAD);
- if (rc == 0)
+ ctx = &osd_dev(d)->od_env_for_commit.le_ctx;
+ rc = lu_context_init(ctx, LCT_MD_THREAD|LCT_REMEMBER|LCT_NOREF);
+ if (rc == 0) {
rc = osd_procfs_init(osd_dev(d), name);
+ ctx->lc_cookie = 0x3;
+ }
return rc;
}
struct osd_thread_info *info = osd_oti_get(env);
ENTRY;
if (o->od_obj_area != NULL) {
- dput(o->od_obj_area);
+ lu_object_put(env, &o->od_obj_area->do_lu);
o->od_obj_area = NULL;
}
osd_oi_fini(info, &o->od_oi);
{
struct lustre_mount_info *lmi;
const char *dev = lustre_cfg_string(cfg, 0);
- struct osd_thread_info *info = osd_oti_get(env);
- int result;
+ struct lustre_disk_data *ldd;
+ struct lustre_sb_info *lsi;
ENTRY;
-
if (o->od_mount != NULL) {
CERROR("Already mounted (%s)\n", dev);
RETURN(-EEXIST);
/* save lustre_mount_info in dt_device */
o->od_mount = lmi;
- result = osd_oi_init(info, &o->od_oi, &o->od_dt_dev);
- if (result == 0) {
- struct dentry *d;
+ lsi = s2lsi(lmi->lmi_sb);
+ ldd = lsi->lsi_ldd;
- d = simple_mkdir(osd_sb(o)->s_root, lmi->lmi_mnt, "*OBJ-TEMP*",
- 0777, 1);
- if (!IS_ERR(d)) {
- o->od_obj_area = d;
- } else
- result = PTR_ERR(d);
- }
- if (result != 0)
- osd_shutdown(env, o);
- RETURN(result);
+ if (ldd->ldd_flags & LDD_F_IAM_DIR) {
+ o->od_iop_mode = 0;
+ LCONSOLE_WARN("OSD: IAM mode enabled\n");
+ } else
+ o->od_iop_mode = 1;
+
+ o->od_obj_area = NULL;
+ RETURN(0);
}
static struct lu_device *osd_device_fini(const struct lu_env *env,
l = osd2lu_dev(o);
l->ld_ops = &osd_lu_ops;
o->od_dt_dev.dd_ops = &osd_dt_ops;
- spin_lock_init(&o->od_osfs_lock);
+ cfs_spin_lock_init(&o->od_osfs_lock);
o->od_osfs_age = cfs_time_shift_64(-1000);
o->od_capa_hash = init_capa_hash();
if (o->od_capa_hash == NULL) {
err = osd_shutdown(env, o);
break;
default:
- err = -ENOTTY;
+ err = -ENOSYS;
}
RETURN(err);
}
-extern void ldiskfs_orphan_cleanup (struct super_block * sb,
- struct ldiskfs_super_block * es);
static int osd_recovery_complete(const struct lu_env *env,
struct lu_device *d)
{
- struct osd_device *o = osd_dev(d);
- ENTRY;
- /* TODO: orphans handling */
- ldiskfs_orphan_cleanup(osd_sb(o), LDISKFS_SB(osd_sb(o))->s_es);
RETURN(0);
}
-static struct inode *osd_iget(struct osd_thread_info *info,
- struct osd_device *dev,
- const struct osd_inode_id *id)
-{
- struct inode *inode;
-
- inode = iget(osd_sb(dev), id->oii_ino);
- if (inode == NULL) {
- CERROR("no inode\n");
- inode = ERR_PTR(-EACCES);
- } else if (is_bad_inode(inode)) {
- CERROR("bad inode\n");
- iput(inode);
- inode = ERR_PTR(-ENOENT);
- } else if (inode->i_generation != id->oii_gen) {
- CERROR("stale inode\n");
- iput(inode);
- inode = ERR_PTR(-ESTALE);
- }
-
- return inode;
-
-}
-
-static int osd_fid_lookup(const struct lu_env *env,
- struct osd_object *obj, const struct lu_fid *fid)
+static int osd_prepare(const struct lu_env *env,
+ struct lu_device *pdev,
+ struct lu_device *dev)
{
- struct osd_thread_info *info;
- struct lu_device *ldev = obj->oo_dt.do_lu.lo_dev;
- struct osd_device *dev;
- struct osd_inode_id *id;
- struct osd_oi *oi;
- struct inode *inode;
- int result;
-
- LINVRNT(osd_invariant(obj));
- LASSERT(obj->oo_inode == NULL);
- LASSERT(fid_is_sane(fid));
- /*
- * This assertion checks that osd layer sees only local
- * fids. Unfortunately it is somewhat expensive (does a
- * cache-lookup). Disabling it for production/acceptance-testing.
- */
- LASSERT(1 || fid_is_local(ldev->ld_site, fid));
+ struct osd_device *osd = osd_dev(dev);
+ struct lustre_sb_info *lsi;
+ struct lustre_disk_data *ldd;
+ struct lustre_mount_info *lmi;
+ struct osd_thread_info *oti = osd_oti_get(env);
+ struct dt_object *d;
+ int result;
ENTRY;
-
- info = osd_oti_get(env);
- dev = osd_dev(ldev);
- id = &info->oti_id;
- oi = &dev->od_oi;
-
- if (OBD_FAIL_CHECK(OBD_FAIL_OST_ENOENT))
- RETURN(-ENOENT);
-
- result = osd_oi_lookup(info, oi, fid, id);
- if (result == 0) {
- inode = osd_iget(info, dev, id);
- if (!IS_ERR(inode)) {
- obj->oo_inode = inode;
- LASSERT(obj->oo_inode->i_sb == osd_sb(dev));
- result = 0;
- } else
- /*
- * If fid wasn't found in oi, inode-less object is
- * created, for which lu_object_exists() returns
- * false. This is used in a (frequent) case when
- * objects are created as locking anchors or
- * place holders for objects yet to be created.
- */
- result = PTR_ERR(inode);
- } else if (result == -ENOENT)
+ /* 1. initialize oi before any file create or file open */
+ result = osd_oi_init(oti, &osd->od_oi,
+ &osd->od_dt_dev, lu2md_dev(pdev));
+ if (result != 0)
+ RETURN(result);
+
+ lmi = osd->od_mount;
+ lsi = s2lsi(lmi->lmi_sb);
+ ldd = lsi->lsi_ldd;
+
+ /* 2. setup local objects */
+ result = llo_local_objects_setup(env, lu2md_dev(pdev), lu2dt_dev(dev));
+ if (result)
+ goto out;
+
+ /* 3. open remote object dir */
+ d = dt_store_open(env, lu2dt_dev(dev), "",
+ remote_obj_dir, &oti->oti_fid);
+ if (!IS_ERR(d)) {
+ osd->od_obj_area = d;
result = 0;
- LINVRNT(osd_invariant(obj));
- RETURN(result);
-}
-
-static void osd_inode_getattr(const struct lu_env *env,
- struct inode *inode, struct lu_attr *attr)
-{
- attr->la_valid |= LA_ATIME | LA_MTIME | LA_CTIME | LA_MODE |
- LA_SIZE | LA_BLOCKS | LA_UID | LA_GID |
- LA_FLAGS | LA_NLINK | LA_RDEV | LA_BLKSIZE;
-
- attr->la_atime = LTIME_S(inode->i_atime);
- attr->la_mtime = LTIME_S(inode->i_mtime);
- attr->la_ctime = LTIME_S(inode->i_ctime);
- attr->la_mode = inode->i_mode;
- attr->la_size = i_size_read(inode);
- attr->la_blocks = inode->i_blocks;
- attr->la_uid = inode->i_uid;
- attr->la_gid = inode->i_gid;
- attr->la_flags = LDISKFS_I(inode)->i_flags;
- attr->la_nlink = inode->i_nlink;
- attr->la_rdev = inode->i_rdev;
- attr->la_blksize = ll_inode_blksize(inode);
- attr->la_blkbits = inode->i_blkbits;
-}
-
-/*
- * Helpers.
- */
-
-static int lu_device_is_osd(const struct lu_device *d)
-{
- return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &osd_lu_ops);
-}
-
-static struct osd_object *osd_obj(const struct lu_object *o)
-{
- LASSERT(lu_device_is_osd(o->lo_dev));
- return container_of0(o, struct osd_object, oo_dt.do_lu);
-}
-
-static struct osd_device *osd_dt_dev(const struct dt_device *d)
-{
- LASSERT(lu_device_is_osd(&d->dd_lu_dev));
- return container_of0(d, struct osd_device, od_dt_dev);
-}
-
-static struct osd_device *osd_dev(const struct lu_device *d)
-{
- LASSERT(lu_device_is_osd(d));
- return osd_dt_dev(container_of0(d, struct dt_device, dd_lu_dev));
-}
-
-static struct osd_object *osd_dt_obj(const struct dt_object *d)
-{
- return osd_obj(&d->do_lu);
-}
-
-static struct osd_device *osd_obj2dev(const struct osd_object *o)
-{
- return osd_dev(o->oo_dt.do_lu.lo_dev);
-}
-
-static struct lu_device *osd2lu_dev(struct osd_device *osd)
-{
- return &osd->od_dt_dev.dd_lu_dev;
-}
-
-static struct super_block *osd_sb(const struct osd_device *dev)
-{
- return dev->od_mount->lmi_mnt->mnt_sb;
-}
-
-static journal_t *osd_journal(const struct osd_device *dev)
-{
- return LDISKFS_SB(osd_sb(dev))->s_journal;
-}
-
-static int osd_has_index(const struct osd_object *obj)
-{
- return obj->oo_dt.do_index_ops != NULL;
-}
+ } else {
+ result = PTR_ERR(d);
+ osd->od_obj_area = NULL;
+ }
-static int osd_object_invariant(const struct lu_object *l)
-{
- return osd_invariant(osd_obj(l));
+out:
+ RETURN(result);
}
-static struct lu_object_operations osd_lu_obj_ops = {
+static const struct lu_object_operations osd_lu_obj_ops = {
.loo_object_init = osd_object_init,
.loo_object_delete = osd_object_delete,
.loo_object_release = osd_object_release,
.loo_object_invariant = osd_object_invariant
};
-static struct lu_device_operations osd_lu_ops = {
+static const struct lu_device_operations osd_lu_ops = {
.ldo_object_alloc = osd_object_alloc,
.ldo_process_config = osd_process_config,
- .ldo_recovery_complete = osd_recovery_complete
+ .ldo_recovery_complete = osd_recovery_complete,
+ .ldo_prepare = osd_prepare,
};
-static struct lu_device_type_operations osd_device_type_ops = {
+static const struct lu_device_type_operations osd_device_type_ops = {
.ldto_init = osd_type_init,
.ldto_fini = osd_type_fini,
+ .ldto_start = osd_type_start,
+ .ldto_stop = osd_type_stop,
+
.ldto_device_alloc = osd_device_alloc,
.ldto_device_free = osd_device_free,
.o_owner = THIS_MODULE
};
+static struct lu_local_obj_desc llod_osd_rem_obj_dir = {
+ .llod_name = remote_obj_dir,
+ .llod_oid = OSD_REM_OBJ_DIR_OID,
+ .llod_is_index = 1,
+ .llod_feat = &dt_directory_features,
+};
+
static int __init osd_mod_init(void)
{
struct lprocfs_static_vars lvars;
+ osd_oi_mod_init();
+ llo_local_obj_register(&llod_osd_rem_obj_dir);
lprocfs_osd_init_vars(&lvars);
return class_register_type(&osd_obd_device_ops, NULL, lvars.module_vars,
LUSTRE_OSD_NAME, &osd_device_type);
static void __exit osd_mod_exit(void)
{
+ llo_local_obj_unregister(&llod_osd_rem_obj_dir);
class_unregister_type(LUSTRE_OSD_NAME);
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff