* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2012, Whamcloud, Inc.
+ * Copyright (c) 2011, 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
*
* Lustre Metadata Server (mdd) routines
*
- * Author: Wang Di <wangdi@clusterfs.com>
+ * Author: Wang Di <wangdi@intel.com>
*/
#define DEBUG_SUBSYSTEM S_MDS
-#include <linux/module.h>
-#ifdef HAVE_EXT4_LDISKFS
-#include <ldiskfs/ldiskfs_jbd2.h>
-#else
-#include <linux/jbd.h>
-#endif
-#include <obd.h>
#include <obd_class.h>
-#include <lustre_ver.h>
#include <obd_support.h>
-#include <lprocfs_status.h>
-#ifdef HAVE_EXT4_LDISKFS
-#include <ldiskfs/ldiskfs.h>
-#else
-#include <linux/ldiskfs_fs.h>
-#endif
#include <lustre_mds.h>
-#include <lustre/lustre_idl.h>
#include <lustre_fid.h>
#include "mdd_internal.h"
sizeof(dotdot) - 1
};
-static int __mdd_lookup(const struct lu_env *env, struct md_object *pobj,
- const struct lu_name *lname, struct lu_fid* fid,
- int mask);
-static int mdd_declare_links_add(const struct lu_env *env,
- struct mdd_object *mdd_obj,
- struct thandle *handle);
-static int mdd_links_add(const struct lu_env *env,
- struct mdd_object *mdd_obj,
- const struct lu_fid *pfid,
- const struct lu_name *lname,
- struct thandle *handle, int first);
-static int mdd_links_rename(const struct lu_env *env,
- struct mdd_object *mdd_obj,
- const struct lu_fid *oldpfid,
- const struct lu_name *oldlname,
- const struct lu_fid *newpfid,
- const struct lu_name *newlname,
- struct thandle *handle);
+static int __mdd_lookup(const struct lu_env *, struct md_object *,
+ const struct lu_name *, struct lu_fid*, int);
static int
__mdd_lookup_locked(const struct lu_env *env, struct md_object *pobj,
RETURN(rc);
}
-static int mdd_parent_fid(const struct lu_env *env, struct mdd_object *obj,
- struct lu_fid *fid)
+int mdd_parent_fid(const struct lu_env *env, struct mdd_object *obj,
+ struct lu_fid *fid)
{
return __mdd_lookup_locked(env, &obj->mod_obj, &lname_dotdot, fid, 0);
}
GOTO(out, rc = 1);
if (parent)
mdd_object_put(env, parent);
- parent = mdd_object_find(env, mdd, pfid);
-
- /* cross-ref parent */
- if (parent == NULL) {
- if (pf != NULL)
- *pf = *pfid;
- GOTO(out, rc = -EREMOTE);
- } else if (IS_ERR(parent))
- GOTO(out, rc = PTR_ERR(parent));
- p1 = parent;
+
+ parent = mdd_object_find(env, mdd, pfid);
+ if (IS_ERR(parent)) {
+ GOTO(out, rc = PTR_ERR(parent));
+ } else if (mdd_object_remote(parent)) {
+ /*FIXME: Because of the restriction of rename in Phase I.
+ * If the parent is remote, we just assumed lf is not the
+ * parent of P1 for now */
+ GOTO(out, rc = 0);
+ }
+ p1 = parent;
}
EXIT;
out:
int rc = 0;
ENTRY;
- if (cobj && mdd_object_exists(cobj))
+ if (cobj && mdd_object_exists(cobj))
RETURN(-EEXIST);
if (mdd_is_dead_obj(pobj))
rc = mdd_permission_internal_locked(env, pobj, NULL,
MAY_WRITE | MAY_EXEC,
MOR_TGT_PARENT);
-
if (!rc && check_nlink)
rc = __mdd_may_link(env, pobj);
* Check whether can unlink from the pobj in the case of "cobj == NULL".
*/
int mdd_may_unlink(const struct lu_env *env, struct mdd_object *pobj,
- const struct md_attr *ma)
+ const struct lu_attr *attr)
{
int rc;
ENTRY;
if (mdd_is_dead_obj(pobj))
RETURN(-ENOENT);
- if ((ma->ma_attr.la_valid & LA_FLAGS) &&
- (ma->ma_attr.la_flags & (LUSTRE_APPEND_FL | LUSTRE_IMMUTABLE_FL)))
+ if ((attr->la_valid & LA_FLAGS) &&
+ (attr->la_flags & (LUSTRE_APPEND_FL | LUSTRE_IMMUTABLE_FL)))
RETURN(-EPERM);
rc = mdd_permission_internal_locked(env, pobj, NULL,
* VTX feature has been checked already, no need check again.
*/
static inline int mdd_is_sticky(const struct lu_env *env,
- struct mdd_object *pobj,
- struct mdd_object *cobj)
+ struct mdd_object *pobj,
+ struct mdd_object *cobj)
{
- struct lu_attr *tmp_la = &mdd_env_info(env)->mti_la;
- struct md_ucred *uc = md_ucred(env);
- int rc;
+ struct lu_attr *tmp_la = &mdd_env_info(env)->mti_la;
+ struct lu_ucred *uc = lu_ucred_assert(env);
+ int rc;
- if (pobj) {
- rc = mdd_la_get(env, pobj, tmp_la, BYPASS_CAPA);
- if (rc)
- return rc;
+ if (pobj) {
+ rc = mdd_la_get(env, pobj, tmp_la, BYPASS_CAPA);
+ if (rc)
+ return rc;
- if (!(tmp_la->la_mode & S_ISVTX) ||
- (tmp_la->la_uid == uc->mu_fsuid))
- return 0;
- }
+ if (!(tmp_la->la_mode & S_ISVTX) ||
+ (tmp_la->la_uid == uc->uc_fsuid))
+ return 0;
+ }
- rc = mdd_la_get(env, cobj, tmp_la, BYPASS_CAPA);
- if (rc)
- return rc;
+ rc = mdd_la_get(env, cobj, tmp_la, BYPASS_CAPA);
+ if (rc)
+ return rc;
+
+ if (tmp_la->la_uid == uc->uc_fsuid)
+ return 0;
+
+ return !md_capable(uc, CFS_CAP_FOWNER);
+}
+
+static int mdd_may_delete_entry(const struct lu_env *env,
+ struct mdd_object *pobj, int check_perm)
+{
+ ENTRY;
+
+ LASSERT(pobj != NULL);
+ if (!mdd_object_exists(pobj))
+ RETURN(-ENOENT);
- if (tmp_la->la_uid == uc->mu_fsuid)
- return 0;
+ if (mdd_is_dead_obj(pobj))
+ RETURN(-ENOENT);
- return !mdd_capable(uc, CFS_CAP_FOWNER);
+ if (check_perm) {
+ int rc;
+ rc = mdd_permission_internal_locked(env, pobj, NULL,
+ MAY_WRITE | MAY_EXEC,
+ MOR_TGT_PARENT);
+ if (rc)
+ RETURN(rc);
+ }
+
+ if (mdd_is_append(pobj))
+ RETURN(-EPERM);
+
+ RETURN(0);
}
/*
* pobj maybe NULL
*/
int mdd_may_delete(const struct lu_env *env, struct mdd_object *pobj,
- struct mdd_object *cobj, struct md_attr *ma,
- int check_perm, int check_empty)
+ struct mdd_object *cobj, struct lu_attr *cattr,
+ struct lu_attr *src_attr, int check_perm, int check_empty)
{
int rc = 0;
ENTRY;
- LASSERT(cobj);
+ if (pobj) {
+ rc = mdd_may_delete_entry(env, pobj, check_perm);
+ if (rc != 0)
+ RETURN(rc);
+ }
+
+ if (cobj == NULL)
+ RETURN(0);
+
if (!mdd_object_exists(cobj))
RETURN(-ENOENT);
if (mdd_is_dead_obj(cobj))
RETURN(-ESTALE);
- if (pobj) {
- if (!mdd_object_exists(pobj))
- RETURN(-ENOENT);
-
- if (mdd_is_dead_obj(pobj))
- RETURN(-ENOENT);
-
- if (check_perm) {
- rc = mdd_permission_internal_locked(env, pobj, NULL,
- MAY_WRITE | MAY_EXEC,
- MOR_TGT_PARENT);
- if (rc)
- RETURN(rc);
- }
-
- if (mdd_is_append(pobj))
- RETURN(-EPERM);
- }
- if (!(ma->ma_attr_flags & MDS_VTX_BYPASS) &&
- mdd_is_sticky(env, pobj, cobj))
+ if (mdd_is_sticky(env, pobj, cobj))
RETURN(-EPERM);
if (mdd_is_immutable(cobj) || mdd_is_append(cobj))
RETURN(-EPERM);
- if ((ma->ma_attr.la_valid & LA_FLAGS) &&
- (ma->ma_attr.la_flags & (LUSTRE_APPEND_FL | LUSTRE_IMMUTABLE_FL)))
+ if ((cattr->la_valid & LA_FLAGS) &&
+ (cattr->la_flags & (LUSTRE_APPEND_FL | LUSTRE_IMMUTABLE_FL)))
RETURN(-EPERM);
- if (S_ISDIR(ma->ma_attr.la_mode)) {
- struct mdd_device *mdd = mdo2mdd(&cobj->mod_obj);
+ /* additional check the rename case */
+ if (src_attr) {
+ if (S_ISDIR(src_attr->la_mode)) {
+ struct mdd_device *mdd = mdo2mdd(&cobj->mod_obj);
- if (!S_ISDIR(mdd_object_type(cobj)))
- RETURN(-ENOTDIR);
+ if (!S_ISDIR(cattr->la_mode))
+ RETURN(-ENOTDIR);
- if (lu_fid_eq(mdo2fid(cobj), &mdd->mdd_root_fid))
- RETURN(-EBUSY);
- } else if (S_ISDIR(mdd_object_type(cobj)))
- RETURN(-EISDIR);
+ if (lu_fid_eq(mdo2fid(cobj), &mdd->mdd_root_fid))
+ RETURN(-EBUSY);
+ } else if (S_ISDIR(cattr->la_mode))
+ RETURN(-EISDIR);
+ }
- if (S_ISDIR(ma->ma_attr.la_mode) && check_empty)
+ if (S_ISDIR(cattr->la_mode) && check_empty)
rc = mdd_dir_is_empty(env, cobj);
RETURN(rc);
}
static int __mdd_index_insert_only(const struct lu_env *env,
- struct mdd_object *pobj,
- const struct lu_fid *lf, const char *name,
- struct thandle *handle,
- struct lustre_capa *capa)
+ struct mdd_object *pobj,
+ const struct lu_fid *lf, const char *name,
+ struct thandle *handle,
+ struct lustre_capa *capa)
{
- struct dt_object *next = mdd_object_child(pobj);
- int rc;
- ENTRY;
-
- if (dt_try_as_dir(env, next)) {
- struct md_ucred *uc = md_ucred(env);
-
- rc = next->do_index_ops->dio_insert(env, next,
- (struct dt_rec*)lf,
- (const struct dt_key *)name,
- handle, capa, uc->mu_cap &
- CFS_CAP_SYS_RESOURCE_MASK);
- } else {
- rc = -ENOTDIR;
- }
- RETURN(rc);
+ struct dt_object *next = mdd_object_child(pobj);
+ int rc;
+ ENTRY;
+
+ if (dt_try_as_dir(env, next)) {
+ struct lu_ucred *uc = lu_ucred_check(env);
+ int ignore_quota;
+
+ ignore_quota = uc ? uc->uc_cap & CFS_CAP_SYS_RESOURCE_MASK : 1;
+ rc = next->do_index_ops->dio_insert(env, next,
+ (struct dt_rec*)lf,
+ (const struct dt_key *)name,
+ handle, capa, ignore_quota);
+ } else {
+ rc = -ENOTDIR;
+ }
+ RETURN(rc);
}
/* insert named index, add reference if isdir */
RETURN(rc);
}
-int mdd_declare_llog_record(const struct lu_env *env, struct mdd_device *mdd,
- int reclen, struct thandle *handle)
+int mdd_declare_changelog_store(const struct lu_env *env,
+ struct mdd_device *mdd,
+ const struct lu_name *fname,
+ struct thandle *handle)
{
- int rc;
+ struct obd_device *obd = mdd2obd_dev(mdd);
+ struct llog_ctxt *ctxt;
+ struct llog_changelog_rec *rec;
+ struct lu_buf *buf;
+ int reclen;
+ int rc;
+
+ /* Not recording */
+ if (!(mdd->mdd_cl.mc_flags & CLM_ON))
+ return 0;
+
+ reclen = llog_data_len(sizeof(*rec) +
+ (fname != NULL ? fname->ln_namelen : 0));
+ buf = lu_buf_check_and_alloc(&mdd_env_info(env)->mti_big_buf, reclen);
+ if (buf->lb_buf == NULL)
+ return -ENOMEM;
+
+ rec = buf->lb_buf;
+ rec->cr_hdr.lrh_len = reclen;
+ rec->cr_hdr.lrh_type = CHANGELOG_REC;
+
+ ctxt = llog_get_context(obd, LLOG_CHANGELOG_ORIG_CTXT);
+ if (ctxt == NULL)
+ return -ENXIO;
+
+ rc = llog_declare_add(env, ctxt->loc_handle, &rec->cr_hdr, handle);
+ llog_ctxt_put(ctxt);
+
+ return rc;
+}
- /* XXX: this is a temporary solution to declare llog changes
- * will be fixed in 2.3 with new llog implementation */
+static int mdd_declare_changelog_ext_store(const struct lu_env *env,
+ struct mdd_device *mdd,
+ const struct lu_name *tname,
+ const struct lu_name *sname,
+ struct thandle *handle)
+{
+ struct obd_device *obd = mdd2obd_dev(mdd);
+ struct llog_ctxt *ctxt;
+ struct llog_changelog_ext_rec *rec;
+ struct lu_buf *buf;
+ int reclen;
+ int rc;
+
+ /* Not recording */
+ if (!(mdd->mdd_cl.mc_flags & CLM_ON))
+ return 0;
+
+ reclen = llog_data_len(sizeof(*rec) +
+ (tname != NULL ? tname->ln_namelen : 0) +
+ (sname != NULL ? 1 + sname->ln_namelen : 0));
+ buf = lu_buf_check_and_alloc(&mdd_env_info(env)->mti_big_buf, reclen);
+ if (buf->lb_buf == NULL)
+ return -ENOMEM;
+
+ rec = buf->lb_buf;
+ rec->cr_hdr.lrh_len = reclen;
+ rec->cr_hdr.lrh_type = CHANGELOG_REC;
+
+ ctxt = llog_get_context(obd, LLOG_CHANGELOG_ORIG_CTXT);
+ if (ctxt == NULL)
+ return -ENXIO;
+
+ rc = llog_declare_add(env, ctxt->loc_handle, &rec->cr_hdr, handle);
+ llog_ctxt_put(ctxt);
+
+ return rc;
+}
- LASSERT(mdd->mdd_capa);
+/** Add a changelog entry \a rec to the changelog llog
+ * \param mdd
+ * \param rec
+ * \param handle - currently ignored since llogs start their own transaction;
+ * this will hopefully be fixed in llog rewrite
+ * \retval 0 ok
+ */
+int mdd_changelog_store(const struct lu_env *env, struct mdd_device *mdd,
+ struct llog_changelog_rec *rec, struct thandle *th)
+{
+ struct obd_device *obd = mdd2obd_dev(mdd);
+ struct llog_ctxt *ctxt;
+ int rc;
+
+ rec->cr_hdr.lrh_len = llog_data_len(sizeof(*rec) + rec->cr.cr_namelen);
+ rec->cr_hdr.lrh_type = CHANGELOG_REC;
+ rec->cr.cr_time = cl_time();
+
+ spin_lock(&mdd->mdd_cl.mc_lock);
+ /* NB: I suppose it's possible llog_add adds out of order wrt cr_index,
+ * but as long as the MDD transactions are ordered correctly for e.g.
+ * rename conflicts, I don't think this should matter. */
+ rec->cr.cr_index = ++mdd->mdd_cl.mc_index;
+ spin_unlock(&mdd->mdd_cl.mc_lock);
+
+ ctxt = llog_get_context(obd, LLOG_CHANGELOG_ORIG_CTXT);
+ if (ctxt == NULL)
+ return -ENXIO;
+
+ rc = llog_add(env, ctxt->loc_handle, &rec->cr_hdr, NULL, NULL, th);
+ llog_ctxt_put(ctxt);
+ if (rc > 0)
+ rc = 0;
+ return rc;
+}
- /* XXX: Since we use the 'mdd_capa' as fake llog object here, we
- * have to set the parameter 'size' as INT_MAX or 0 to inform
- * OSD that this record write is for a llog write or catalog
- * header update, and osd declare function will reserve less
- * credits for optimization purpose.
- *
- * Reserve 6 blocks for a llog write, since the llog file is
- * usually small, reserve 2 blocks for catalog header update,
- * because we know for sure that catalog header is already
- * allocated.
- *
- * This hack should be removed in 2.3.
- */
+/** Add a changelog_ext entry \a rec to the changelog llog
+ * \param mdd
+ * \param rec
+ * \param handle - currently ignored since llogs start their own transaction;
+ * this will hopefully be fixed in llog rewrite
+ * \retval 0 ok
+ */
+int mdd_changelog_ext_store(const struct lu_env *env, struct mdd_device *mdd,
+ struct llog_changelog_ext_rec *rec,
+ struct thandle *th)
+{
+ struct obd_device *obd = mdd2obd_dev(mdd);
+ struct llog_ctxt *ctxt;
+ int rc;
+
+ rec->cr_hdr.lrh_len = llog_data_len(sizeof(*rec) + rec->cr.cr_namelen);
+ /* llog_lvfs_write_rec sets the llog tail len */
+ rec->cr_hdr.lrh_type = CHANGELOG_REC;
+ rec->cr.cr_time = cl_time();
+
+ spin_lock(&mdd->mdd_cl.mc_lock);
+ /* NB: I suppose it's possible llog_add adds out of order wrt cr_index,
+ * but as long as the MDD transactions are ordered correctly for e.g.
+ * rename conflicts, I don't think this should matter. */
+ rec->cr.cr_index = ++mdd->mdd_cl.mc_index;
+ spin_unlock(&mdd->mdd_cl.mc_lock);
+
+ ctxt = llog_get_context(obd, LLOG_CHANGELOG_ORIG_CTXT);
+ if (ctxt == NULL)
+ return -ENXIO;
+
+ /* nested journal transaction */
+ rc = llog_add(env, ctxt->loc_handle, &rec->cr_hdr, NULL, NULL, th);
+ llog_ctxt_put(ctxt);
+ if (rc > 0)
+ rc = 0;
+
+ return rc;
+}
- /* record itself */
- rc = dt_declare_record_write(env, mdd->mdd_capa,
- DECLARE_LLOG_WRITE, 0, handle);
- if (rc)
- return rc;
+/** Store a namespace change changelog record
+ * If this fails, we must fail the whole transaction; we don't
+ * want the change to commit without the log entry.
+ * \param target - mdd_object of change
+ * \param parent - parent dir/object
+ * \param tname - target name string
+ * \param handle - transacion handle
+ */
+int mdd_changelog_ns_store(const struct lu_env *env, struct mdd_device *mdd,
+ enum changelog_rec_type type, unsigned flags,
+ struct mdd_object *target, struct mdd_object *parent,
+ const struct lu_name *tname, struct thandle *handle)
+{
+ struct llog_changelog_rec *rec;
+ struct lu_buf *buf;
+ int reclen;
+ int rc;
+ ENTRY;
+
+ /* Not recording */
+ if (!(mdd->mdd_cl.mc_flags & CLM_ON))
+ RETURN(0);
+ if ((mdd->mdd_cl.mc_mask & (1 << type)) == 0)
+ RETURN(0);
+
+ LASSERT(target != NULL);
+ LASSERT(parent != NULL);
+ LASSERT(tname != NULL);
+ LASSERT(handle != NULL);
+
+ reclen = llog_data_len(sizeof(*rec) + tname->ln_namelen);
+ buf = lu_buf_check_and_alloc(&mdd_env_info(env)->mti_big_buf, reclen);
+ if (buf->lb_buf == NULL)
+ RETURN(-ENOMEM);
+ rec = buf->lb_buf;
+
+ rec->cr.cr_flags = CLF_VERSION | (CLF_FLAGMASK & flags);
+ rec->cr.cr_type = (__u32)type;
+ rec->cr.cr_tfid = *mdo2fid(target);
+ rec->cr.cr_pfid = *mdo2fid(parent);
+ rec->cr.cr_namelen = tname->ln_namelen;
+ memcpy(rec->cr.cr_name, tname->ln_name, tname->ln_namelen);
+
+ target->mod_cltime = cfs_time_current_64();
+
+ rc = mdd_changelog_store(env, mdd, rec, handle);
+ if (rc < 0) {
+ CERROR("changelog failed: rc=%d, op%d %s c"DFID" p"DFID"\n",
+ rc, type, tname->ln_name, PFID(&rec->cr.cr_tfid),
+ PFID(&rec->cr.cr_pfid));
+ RETURN(-EFAULT);
+ }
+
+ RETURN(0);
+}
- /* header will be updated as well */
- rc = dt_declare_record_write(env, mdd->mdd_capa,
- DECLARE_LLOG_WRITE, 0, handle);
- if (rc)
- return rc;
- /* also we should be able to create new plain log */
- rc = dt_declare_create(env, mdd->mdd_capa, NULL, NULL, NULL, handle);
- if (rc)
- return rc;
+/** Store a namespace change changelog record
+ * If this fails, we must fail the whole transaction; we don't
+ * want the change to commit without the log entry.
+ * \param target - mdd_object of change
+ * \param tpfid - target parent dir/object fid
+ * \param sfid - source object fid
+ * \param spfid - source parent fid
+ * \param tname - target name string
+ * \param sname - source name string
+ * \param handle - transacion handle
+ */
+static int mdd_changelog_ext_ns_store(const struct lu_env *env,
+ struct mdd_device *mdd,
+ enum changelog_rec_type type,
+ unsigned flags,
+ struct mdd_object *target,
+ const struct lu_fid *tpfid,
+ const struct lu_fid *sfid,
+ const struct lu_fid *spfid,
+ const struct lu_name *tname,
+ const struct lu_name *sname,
+ struct thandle *handle)
+{
+ struct llog_changelog_ext_rec *rec;
+ struct lu_buf *buf;
+ int reclen;
+ int rc;
+ ENTRY;
+
+ /* Not recording */
+ if (!(mdd->mdd_cl.mc_flags & CLM_ON))
+ RETURN(0);
+ if ((mdd->mdd_cl.mc_mask & (1 << type)) == 0)
+ RETURN(0);
+
+ LASSERT(sfid != NULL);
+ LASSERT(tpfid != NULL);
+ LASSERT(tname != NULL);
+ LASSERT(handle != NULL);
+
+ reclen = llog_data_len(sizeof(*rec) +
+ sname != NULL ? 1 + sname->ln_namelen : 0);
+ buf = lu_buf_check_and_alloc(&mdd_env_info(env)->mti_big_buf, reclen);
+ if (buf->lb_buf == NULL)
+ RETURN(-ENOMEM);
+ rec = buf->lb_buf;
+
+ rec->cr.cr_flags = CLF_EXT_VERSION | (CLF_FLAGMASK & flags);
+ rec->cr.cr_type = (__u32)type;
+ rec->cr.cr_pfid = *tpfid;
+ rec->cr.cr_sfid = *sfid;
+ rec->cr.cr_spfid = *spfid;
+ rec->cr.cr_namelen = tname->ln_namelen;
+ memcpy(rec->cr.cr_name, tname->ln_name, tname->ln_namelen);
+ if (sname) {
+ rec->cr.cr_name[tname->ln_namelen] = '\0';
+ memcpy(rec->cr.cr_name + tname->ln_namelen + 1, sname->ln_name,
+ sname->ln_namelen);
+ rec->cr.cr_namelen += 1 + sname->ln_namelen;
+ }
+
+ if (likely(target != NULL)) {
+ rec->cr.cr_tfid = *mdo2fid(target);
+ target->mod_cltime = cfs_time_current_64();
+ } else {
+ fid_zero(&rec->cr.cr_tfid);
+ }
+
+ rc = mdd_changelog_ext_store(env, mdd, rec, handle);
+ if (rc < 0) {
+ CERROR("changelog failed: rc=%d, op%d %s c"DFID" p"DFID"\n",
+ rc, type, tname->ln_name, PFID(sfid), PFID(tpfid));
+ return -EFAULT;
+ }
+
+ return 0;
+}
- /* new record referencing new plain llog */
- rc = dt_declare_record_write(env, mdd->mdd_capa,
- DECLARE_LLOG_WRITE, 0, handle);
- if (rc)
- return rc;
+static int __mdd_links_add(const struct lu_env *env,
+ struct mdd_object *mdd_obj,
+ struct linkea_data *ldata,
+ const struct lu_name *lname,
+ const struct lu_fid *pfid,
+ int first, int check)
+{
+ int rc;
+
+ if (ldata->ld_leh == NULL) {
+ rc = first ? -ENODATA : mdd_links_read(env, mdd_obj, ldata);
+ if (rc) {
+ if (rc != -ENODATA)
+ return rc;
+ rc = linkea_data_new(ldata,
+ &mdd_env_info(env)->mti_link_buf);
+ if (rc)
+ return rc;
+ }
+ }
+
+ if (check) {
+ rc = linkea_links_find(ldata, lname, pfid);
+ if (rc && rc != -ENOENT)
+ return rc;
+ if (rc == 0)
+ return -EEXIST;
+ }
+
+ if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_LINKEA_MORE)) {
+ struct lu_fid *tfid = &mdd_env_info(env)->mti_fid2;
+
+ *tfid = *pfid;
+ tfid->f_ver = ~0;
+ linkea_add_buf(ldata, lname, tfid);
+ }
+
+ if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_LINKEA_MORE2))
+ linkea_add_buf(ldata, lname, pfid);
+
+ return linkea_add_buf(ldata, lname, pfid);
+}
- /* catalog's header will be updated as well */
- rc = dt_declare_record_write(env, mdd->mdd_capa,
- DECLARE_LLOG_REWRITE, 0, handle);
+static int __mdd_links_del(const struct lu_env *env,
+ struct mdd_object *mdd_obj,
+ struct linkea_data *ldata,
+ const struct lu_name *lname,
+ const struct lu_fid *pfid)
+{
+ int rc;
- return rc;
+ if (ldata->ld_leh == NULL) {
+ rc = mdd_links_read(env, mdd_obj, ldata);
+ if (rc)
+ return rc;
+ }
+
+ rc = linkea_links_find(ldata, lname, pfid);
+ if (rc)
+ return rc;
+
+ linkea_del_buf(ldata, lname);
+ return 0;
}
-int mdd_declare_changelog_store(const struct lu_env *env,
- struct mdd_device *mdd,
- const struct lu_name *fname,
- struct thandle *handle)
+static int mdd_linkea_prepare(const struct lu_env *env,
+ struct mdd_object *mdd_obj,
+ const struct lu_fid *oldpfid,
+ const struct lu_name *oldlname,
+ const struct lu_fid *newpfid,
+ const struct lu_name *newlname,
+ int first, int check,
+ struct linkea_data *ldata)
{
- int reclen;
+ int rc = 0;
+ int rc2 = 0;
+ ENTRY;
+
+ if (OBD_FAIL_CHECK(OBD_FAIL_FID_IGIF))
+ return 0;
+
+ LASSERT(oldpfid != NULL || newpfid != NULL);
+
+ if (mdd_obj->mod_flags & DEAD_OBJ) {
+ /* Prevent linkea to be updated which is NOT necessary. */
+ ldata->ld_reclen = 0;
+ /* No more links, don't bother */
+ RETURN(0);
+ }
+
+ if (oldpfid != NULL) {
+ rc = __mdd_links_del(env, mdd_obj, ldata, oldlname, oldpfid);
+ if (rc) {
+ if ((check == 0) ||
+ (rc != -ENODATA && rc != -ENOENT))
+ RETURN(rc);
+ /* No changes done. */
+ rc = 0;
+ }
+ }
+
+ /* If renaming, add the new record */
+ if (newpfid != NULL) {
+ /* even if the add fails, we still delete the out-of-date
+ * old link */
+ rc2 = __mdd_links_add(env, mdd_obj, ldata, newlname, newpfid,
+ first, check);
+ if (rc2 == -EEXIST)
+ rc2 = 0;
+ }
+
+ rc = rc != 0 ? rc : rc2;
+
+ RETURN(rc);
+}
- /* Not recording */
- if (!(mdd->mdd_cl.mc_flags & CLM_ON))
- return 0;
+int mdd_links_rename(const struct lu_env *env,
+ struct mdd_object *mdd_obj,
+ const struct lu_fid *oldpfid,
+ const struct lu_name *oldlname,
+ const struct lu_fid *newpfid,
+ const struct lu_name *newlname,
+ struct thandle *handle,
+ struct linkea_data *ldata,
+ int first, int check)
+{
+ int rc2 = 0;
+ int rc = 0;
+ ENTRY;
+
+ if (ldata == NULL) {
+ ldata = &mdd_env_info(env)->mti_link_data;
+ memset(ldata, 0, sizeof(*ldata));
+ rc = mdd_linkea_prepare(env, mdd_obj, oldpfid, oldlname,
+ newpfid, newlname, first, check,
+ ldata);
+ if (rc != 0)
+ GOTO(out, rc);
+ }
+
+ if (ldata->ld_reclen != 0)
+ rc = mdd_links_write(env, mdd_obj, ldata, handle);
+ EXIT;
+out:
+ if (rc == 0)
+ rc = rc2;
+ if (rc) {
+ int error = 1;
+ if (rc == -EOVERFLOW || rc == -ENOENT || rc == -ENOSPC)
+ error = 0;
+ if (oldpfid == NULL)
+ CDEBUG(error ? D_ERROR : D_OTHER,
+ "link_ea add '%.*s' failed %d "DFID"\n",
+ newlname->ln_namelen, newlname->ln_name,
+ rc, PFID(mdd_object_fid(mdd_obj)));
+ else if (newpfid == NULL)
+ CDEBUG(error ? D_ERROR : D_OTHER,
+ "link_ea del '%.*s' failed %d "DFID"\n",
+ oldlname->ln_namelen, oldlname->ln_name,
+ rc, PFID(mdd_object_fid(mdd_obj)));
+ else
+ CDEBUG(error ? D_ERROR : D_OTHER,
+ "link_ea rename '%.*s'->'%.*s' failed %d "
+ DFID"\n",
+ oldlname->ln_namelen, oldlname->ln_name,
+ newlname->ln_namelen, newlname->ln_name,
+ rc, PFID(mdd_object_fid(mdd_obj)));
+ }
+
+ if (ldata->ld_buf && ldata->ld_buf->lb_len > OBD_ALLOC_BIG)
+ /* if we vmalloced a large buffer drop it */
+ lu_buf_free(ldata->ld_buf);
+
+ return rc;
+}
- /* we'll be writing payload + llog header */
- reclen = sizeof(struct llog_changelog_rec);
- if (fname)
- reclen += llog_data_len(fname->ln_namelen);
+static inline int mdd_links_add(const struct lu_env *env,
+ struct mdd_object *mdd_obj,
+ const struct lu_fid *pfid,
+ const struct lu_name *lname,
+ struct thandle *handle,
+ struct linkea_data *data, int first)
+{
+ return mdd_links_rename(env, mdd_obj, NULL, NULL,
+ pfid, lname, handle, data, first, 0);
+}
- return mdd_declare_llog_record(env, mdd, reclen, handle);
+static inline int mdd_links_del(const struct lu_env *env,
+ struct mdd_object *mdd_obj,
+ const struct lu_fid *pfid,
+ const struct lu_name *lname,
+ struct thandle *handle)
+{
+ return mdd_links_rename(env, mdd_obj, pfid, lname,
+ NULL, NULL, handle, NULL, 0, 0);
}
-/** Store a namespace change changelog record
- * If this fails, we must fail the whole transaction; we don't
- * want the change to commit without the log entry.
- * \param target - mdd_object of change
- * \param parent - parent dir/object
- * \param tf - target lu_fid, overrides fid of \a target if this is non-null
- * \param tname - target name string
- * \param handle - transacion handle
+/** Read the link EA into a temp buffer.
+ * Uses the mdd_thread_info::mti_big_buf since it is generally large.
+ * A pointer to the buffer is stored in \a ldata::ld_buf.
+ *
+ * \retval 0 or error
*/
-static int mdd_changelog_ns_store(const struct lu_env *env,
- struct mdd_device *mdd,
- enum changelog_rec_type type,
- int flags,
- struct mdd_object *target,
- struct mdd_object *parent,
- const struct lu_fid *tf,
- const struct lu_name *tname,
- struct thandle *handle)
+int mdd_links_read(const struct lu_env *env, struct mdd_object *mdd_obj,
+ struct linkea_data *ldata)
{
- const struct lu_fid *tfid;
- const struct lu_fid *tpfid = mdo2fid(parent);
- struct llog_changelog_rec *rec;
- struct lu_buf *buf;
- int reclen;
- int rc;
- ENTRY;
+ int rc;
+
+ /* First try a small buf */
+ LASSERT(env != NULL);
+ ldata->ld_buf = lu_buf_check_and_alloc(&mdd_env_info(env)->mti_link_buf,
+ CFS_PAGE_SIZE);
+ if (ldata->ld_buf->lb_buf == NULL)
+ return -ENOMEM;
+
+ if (!mdd_object_exists(mdd_obj))
+ return -ENODATA;
+
+ rc = mdo_xattr_get(env, mdd_obj, ldata->ld_buf, XATTR_NAME_LINK,
+ BYPASS_CAPA);
+ if (rc == -ERANGE) {
+ /* Buf was too small, figure out what we need. */
+ lu_buf_free(ldata->ld_buf);
+ rc = mdo_xattr_get(env, mdd_obj, ldata->ld_buf,
+ XATTR_NAME_LINK, BYPASS_CAPA);
+ if (rc < 0)
+ return rc;
+ ldata->ld_buf = lu_buf_check_and_alloc(ldata->ld_buf, rc);
+ if (ldata->ld_buf->lb_buf == NULL)
+ return -ENOMEM;
+ rc = mdo_xattr_get(env, mdd_obj, ldata->ld_buf,
+ XATTR_NAME_LINK, BYPASS_CAPA);
+ }
+ if (rc < 0)
+ return rc;
+
+ linkea_init(ldata);
+ return 0;
+}
- /* Not recording */
- if (!(mdd->mdd_cl.mc_flags & CLM_ON))
- RETURN(0);
- if ((mdd->mdd_cl.mc_mask & (1 << type)) == 0)
- RETURN(0);
+/** Read the link EA into a temp buffer.
+ * Uses the name_buf since it is generally large.
+ * \retval IS_ERR err
+ * \retval ptr to \a lu_buf (always \a mti_big_buf)
+ */
+struct lu_buf *mdd_links_get(const struct lu_env *env,
+ struct mdd_object *mdd_obj)
+{
+ struct linkea_data ldata = { 0 };
+ int rc;
- LASSERT(parent != NULL);
- LASSERT(tname != NULL);
- LASSERT(handle != NULL);
-
- /* target */
- reclen = llog_data_len(sizeof(*rec) + tname->ln_namelen);
- buf = mdd_buf_alloc(env, reclen);
- if (buf->lb_buf == NULL)
- RETURN(-ENOMEM);
- rec = (struct llog_changelog_rec *)buf->lb_buf;
-
- rec->cr.cr_flags = CLF_VERSION | (CLF_FLAGMASK & flags);
- rec->cr.cr_type = (__u32)type;
- tfid = tf ? tf : mdo2fid(target);
- rec->cr.cr_tfid = *tfid;
- rec->cr.cr_pfid = *tpfid;
- rec->cr.cr_namelen = tname->ln_namelen;
- memcpy(rec->cr.cr_name, tname->ln_name, rec->cr.cr_namelen);
- if (likely(target))
- target->mod_cltime = cfs_time_current_64();
-
- rc = mdd_changelog_llog_write(mdd, rec, handle);
- if (rc < 0) {
- CERROR("changelog failed: rc=%d, op%d %s c"DFID" p"DFID"\n",
- rc, type, tname->ln_name, PFID(tfid), PFID(tpfid));
- return -EFAULT;
- }
+ rc = mdd_links_read(env, mdd_obj, &ldata);
+ return rc ? ERR_PTR(rc) : ldata.ld_buf;
+}
+
+int mdd_links_write(const struct lu_env *env, struct mdd_object *mdd_obj,
+ struct linkea_data *ldata, struct thandle *handle)
+{
+ const struct lu_buf *buf = mdd_buf_get_const(env, ldata->ld_buf->lb_buf,
+ ldata->ld_leh->leh_len);
+ return mdo_xattr_set(env, mdd_obj, buf, XATTR_NAME_LINK, 0, handle,
+ mdd_object_capa(env, mdd_obj));
+}
- return 0;
+int mdd_declare_links_add(const struct lu_env *env, struct mdd_object *mdd_obj,
+ struct thandle *handle, struct linkea_data *ldata)
+{
+ int rc;
+ int ea_len;
+ void *linkea;
+
+ if (ldata != NULL && ldata->ld_lee != NULL) {
+ ea_len = ldata->ld_leh->leh_len;
+ linkea = ldata->ld_buf->lb_buf;
+ } else {
+ ea_len = DEFAULT_LINKEA_SIZE;
+ linkea = NULL;
+ }
+
+ /* XXX: max size? */
+ rc = mdo_declare_xattr_set(env, mdd_obj,
+ mdd_buf_get_const(env, linkea, ea_len),
+ XATTR_NAME_LINK, 0, handle);
+ return rc;
+}
+
+static inline int mdd_declare_links_del(const struct lu_env *env,
+ struct mdd_object *c,
+ struct thandle *handle)
+{
+ int rc = 0;
+
+ /* For directory, the linkEA will be removed together
+ * with the object. */
+ if (!S_ISDIR(mdd_object_type(c)))
+ rc = mdd_declare_links_add(env, c, handle, NULL);
+
+ return rc;
}
static int mdd_declare_link(const struct lu_env *env,
struct mdd_object *p,
struct mdd_object *c,
const struct lu_name *name,
- struct thandle *handle)
+ struct thandle *handle,
+ struct lu_attr *la,
+ struct linkea_data *data)
{
int rc;
if (rc)
return rc;
- rc = mdo_declare_attr_set(env, p, NULL, handle);
- if (rc)
- return rc;
+ la->la_valid = LA_CTIME | LA_MTIME;
+ rc = mdo_declare_attr_set(env, p, la, handle);
+ if (rc != 0)
+ return rc;
- rc = mdo_declare_attr_set(env, c, NULL, handle);
+ la->la_valid = LA_CTIME;
+ rc = mdo_declare_attr_set(env, c, la, handle);
if (rc)
return rc;
- rc = mdd_declare_links_add(env, c, handle);
+ rc = mdd_declare_links_add(env, c, handle, data);
if (rc)
return rc;
struct mdd_device *mdd = mdo2mdd(src_obj);
struct dynlock_handle *dlh;
struct thandle *handle;
-#ifdef HAVE_QUOTA_SUPPORT
- struct obd_device *obd = mdd->mdd_obd_dev;
- struct obd_export *exp = md_quota(env)->mq_exp;
- struct mds_obd *mds = &obd->u.mds;
- unsigned int qids[MAXQUOTAS] = { 0, 0 };
- int quota_opc = 0, rec_pending[MAXQUOTAS] = { 0, 0 };
-#endif
+ struct linkea_data *ldata = &mdd_env_info(env)->mti_link_data;
int rc;
ENTRY;
-#ifdef HAVE_QUOTA_SUPPORT
- if (mds->mds_quota) {
- struct lu_attr *la_tmp = &mdd_env_info(env)->mti_la;
-
- rc = mdd_la_get(env, mdd_tobj, la_tmp, BYPASS_CAPA);
- if (!rc) {
- void *data = NULL;
- mdd_data_get(env, mdd_tobj, &data);
- quota_opc = FSFILT_OP_LINK;
- mdd_quota_wrapper(la_tmp, qids);
- /* get block quota for parent */
- lquota_chkquota(mds_quota_interface_ref, obd, exp,
- qids, rec_pending, 1, NULL,
- LQUOTA_FLAGS_BLK, data, 1);
- }
- }
-#endif
-
handle = mdd_trans_create(env, mdd);
if (IS_ERR(handle))
GOTO(out_pending, rc = PTR_ERR(handle));
- rc = mdd_declare_link(env, mdd, mdd_tobj, mdd_sobj, lname, handle);
+ memset(ldata, 0, sizeof(*ldata));
+
+ LASSERT(ma->ma_attr.la_valid & LA_CTIME);
+ la->la_ctime = la->la_mtime = ma->ma_attr.la_ctime;
+
+ rc = mdd_declare_link(env, mdd, mdd_tobj, mdd_sobj, lname, handle,
+ la, ldata);
if (rc)
GOTO(stop, rc);
if (rc)
GOTO(out_unlock, rc);
- rc = __mdd_index_insert_only(env, mdd_tobj, mdo2fid(mdd_sobj),
- name, handle,
- mdd_object_capa(env, mdd_tobj));
- if (rc)
- GOTO(out_unlock, rc);
+ rc = mdo_ref_add(env, mdd_sobj, handle);
+ if (rc)
+ GOTO(out_unlock, rc);
- mdo_ref_add(env, mdd_sobj, handle);
- LASSERT(ma->ma_attr.la_valid & LA_CTIME);
- la->la_ctime = la->la_mtime = ma->ma_attr.la_ctime;
+ rc = __mdd_index_insert_only(env, mdd_tobj, mdo2fid(mdd_sobj),
+ name, handle,
+ mdd_object_capa(env, mdd_tobj));
+ if (rc != 0) {
+ mdo_ref_del(env, mdd_sobj, handle);
+ GOTO(out_unlock, rc);
+ }
la->la_valid = LA_CTIME | LA_MTIME;
- rc = mdd_attr_check_set_internal_locked(env, mdd_tobj, la, handle, 0);
+ rc = mdd_attr_check_set_internal(env, mdd_tobj, la, handle, 0);
if (rc)
GOTO(out_unlock, rc);
la->la_valid = LA_CTIME;
rc = mdd_attr_check_set_internal(env, mdd_sobj, la, handle, 0);
- if (rc == 0) {
- mdd_links_add(env, mdd_sobj,
- mdo2fid(mdd_tobj), lname, handle, 0);
- }
-
+ if (rc == 0) {
+ rc = mdd_linkea_prepare(env, mdd_sobj, NULL, NULL,
+ mdo2fid(mdd_tobj), lname, 0, 0,
+ ldata);
+ if (rc == 0)
+ mdd_links_add(env, mdd_sobj, mdo2fid(mdd_tobj),
+ lname, handle, ldata, 0);
+ /* The failure of links_add should not cause the link
+ * failure, reset rc here */
+ rc = 0;
+ }
EXIT;
out_unlock:
mdd_write_unlock(env, mdd_sobj);
mdd_pdo_write_unlock(env, mdd_tobj, dlh);
out_trans:
if (rc == 0)
- rc = mdd_changelog_ns_store(env, mdd, CL_HARDLINK, 0, mdd_sobj,
- mdd_tobj, NULL, lname, handle);
+ rc = mdd_changelog_ns_store(env, mdd, CL_HARDLINK, 0, mdd_sobj,
+ mdd_tobj, lname, handle);
stop:
- mdd_trans_stop(env, mdd, rc, handle);
+ mdd_trans_stop(env, mdd, rc, handle);
+
+ if (ldata->ld_buf && ldata->ld_buf->lb_len > OBD_ALLOC_BIG)
+ /* if we vmalloced a large buffer drop it */
+ lu_buf_free(ldata->ld_buf);
out_pending:
-#ifdef HAVE_QUOTA_SUPPORT
- if (quota_opc) {
- lquota_pending_commit(mds_quota_interface_ref, obd,
- qids, rec_pending, 1);
- /* Trigger dqacq for the parent owner. If failed,
- * the next call for lquota_chkquota will process it. */
- lquota_adjust(mds_quota_interface_ref, obd, 0, qids, rc,
- quota_opc);
- }
-#endif
return rc;
}
int mdd_declare_finish_unlink(const struct lu_env *env,
- struct mdd_object *obj,
- struct md_attr *ma,
- struct thandle *handle)
+ struct mdd_object *obj,
+ struct md_attr *ma,
+ struct thandle *handle)
{
- int rc;
+ int rc;
- rc = orph_declare_index_insert(env, obj, handle);
- if (rc)
- return rc;
+ rc = orph_declare_index_insert(env, obj, mdd_object_type(obj), handle);
+ if (rc)
+ return rc;
- return mdd_declare_object_kill(env, obj, ma, handle);
+ return mdo_declare_destroy(env, obj, handle);
}
/* caller should take a lock before calling */
struct mdd_object *obj, struct md_attr *ma,
struct thandle *th)
{
- int rc;
- int reset = 1;
+ int rc = 0;
int is_dir = S_ISDIR(ma->ma_attr.la_mode);
ENTRY;
LASSERT(mdd_write_locked(env, obj) != 0);
- /* read HSM flags, needed to set changelogs flags */
- ma->ma_need = MA_HSM | MA_INODE;
- rc = mdd_attr_get_internal(env, obj, ma);
- if (rc == 0 && (ma->ma_attr.la_nlink == 0 || is_dir)) {
+ if (ma->ma_attr.la_nlink == 0 || is_dir) {
obj->mod_flags |= DEAD_OBJ;
+
/* add new orphan and the object
* will be deleted during mdd_close() */
if (obj->mod_count) {
PFID(mdd_object_fid(obj)),
obj->mod_count);
} else {
- rc = mdd_object_kill(env, obj, ma, th);
- if (rc == 0)
- reset = 0;
+ rc = mdo_destroy(env, obj, th);
}
-
- /* get the i_nlink */
- ma->ma_need = MA_INODE;
- rc = mdd_attr_get_internal(env, obj, ma);
}
- if (reset)
- ma->ma_valid &= ~(MA_LOV | MA_COOKIE);
RETURN(rc);
}
* has mdd_write_lock on cobj already, but not on pobj yet
*/
int mdd_unlink_sanity_check(const struct lu_env *env, struct mdd_object *pobj,
- struct mdd_object *cobj, struct md_attr *ma)
+ struct mdd_object *cobj, struct lu_attr *cattr)
{
int rc;
ENTRY;
- rc = mdd_may_delete(env, pobj, cobj, ma, 1, 1);
+ rc = mdd_may_delete(env, pobj, cobj, cattr, NULL, 1, 1);
RETURN(rc);
}
static int mdd_declare_unlink(const struct lu_env *env, struct mdd_device *mdd,
- struct mdd_object *p, struct mdd_object *c,
- const struct lu_name *name, struct md_attr *ma,
- struct thandle *handle)
+ struct mdd_object *p, struct mdd_object *c,
+ const struct lu_name *name, struct md_attr *ma,
+ struct thandle *handle, int no_name)
{
+ struct lu_attr *la = &mdd_env_info(env)->mti_la_for_fix;
int rc;
- rc = mdo_declare_index_delete(env, p, name->ln_name, handle);
- if (rc)
- return rc;
+ if (likely(no_name == 0)) {
+ rc = mdo_declare_index_delete(env, p, name->ln_name, handle);
+ if (rc)
+ return rc;
+ }
rc = mdo_declare_ref_del(env, p, handle);
if (rc)
return rc;
- rc = mdo_declare_ref_del(env, c, handle);
- if (rc)
- return rc;
+ LASSERT(ma->ma_attr.la_valid & LA_CTIME);
+ la->la_ctime = la->la_mtime = ma->ma_attr.la_ctime;
+ la->la_valid = LA_CTIME | LA_MTIME;
+ rc = mdo_declare_attr_set(env, p, la, handle);
+ if (rc)
+ return rc;
- rc = mdo_declare_ref_del(env, c, handle);
- if (rc)
- return rc;
+ if (c != NULL) {
+ rc = mdo_declare_ref_del(env, c, handle);
+ if (rc)
+ return rc;
- rc = mdo_declare_attr_set(env, p, NULL, handle);
- if (rc)
- return rc;
+ rc = mdo_declare_ref_del(env, c, handle);
+ if (rc)
+ return rc;
- rc = mdo_declare_attr_set(env, c, NULL, handle);
- if (rc)
- return rc;
+ la->la_valid = LA_CTIME;
+ rc = mdo_declare_attr_set(env, c, la, handle);
+ if (rc)
+ return rc;
- rc = mdd_declare_finish_unlink(env, c, ma, handle);
- if (rc)
- return rc;
+ rc = mdd_declare_finish_unlink(env, c, ma, handle);
+ if (rc)
+ return rc;
- rc = mdd_declare_links_add(env, c, handle);
- if (rc)
- return rc;
+ rc = mdd_declare_links_del(env, c, handle);
+ if (rc != 0)
+ return rc;
- rc = mdd_declare_changelog_store(env, mdd, name, handle);
+ /* FIXME: need changelog for remove entry */
+ rc = mdd_declare_changelog_store(env, mdd, name, handle);
+ }
- return rc;
+ return rc;
}
+/**
+ * Delete name entry and the object.
+ * Note: no_name == 1 means it only destory the object, i.e. name_entry
+ * does not exist for this object, and it could only happen during resending
+ * of remote unlink. see the comments in mdt_reint_unlink. Unfortunately, lname
+ * is also needed in this case(needed by changelog), so we have to add another
+ * parameter(no_name)here. XXX: this is only needed in DNE phase I, on Phase II,
+ * the ENOENT failure should be able to be fixed by redo mechanism.
+ */
static int mdd_unlink(const struct lu_env *env, struct md_object *pobj,
- struct md_object *cobj, const struct lu_name *lname,
- struct md_attr *ma)
+ struct md_object *cobj, const struct lu_name *lname,
+ struct md_attr *ma, int no_name)
{
const char *name = lname->ln_name;
+ struct lu_attr *cattr = &mdd_env_info(env)->mti_cattr;
struct lu_attr *la = &mdd_env_info(env)->mti_la_for_fix;
struct mdd_object *mdd_pobj = md2mdd_obj(pobj);
- struct mdd_object *mdd_cobj = md2mdd_obj(cobj);
+ struct mdd_object *mdd_cobj = NULL;
struct mdd_device *mdd = mdo2mdd(pobj);
struct dynlock_handle *dlh;
struct thandle *handle;
-#ifdef HAVE_QUOTA_SUPPORT
- struct obd_device *obd = mdd->mdd_obd_dev;
- struct mds_obd *mds = &obd->u.mds;
- unsigned int qcids[MAXQUOTAS] = { 0, 0 };
- unsigned int qpids[MAXQUOTAS] = { 0, 0 };
- int quota_opc = 0;
-#endif
- int is_dir = S_ISDIR(ma->ma_attr.la_mode);
- int rc;
+ int rc, is_dir = 0;
ENTRY;
- if (mdd_object_exists(mdd_cobj) <= 0)
- RETURN(-ENOENT);
-
- handle = mdd_trans_create(env, mdd);
+ /* cobj == NULL means only delete name entry */
+ if (likely(cobj != NULL)) {
+ mdd_cobj = md2mdd_obj(cobj);
+ if (mdd_object_exists(mdd_cobj) == 0)
+ RETURN(-ENOENT);
+ /* currently it is assume, it could only delete
+ * name entry of remote directory */
+ is_dir = 1;
+ }
+
+ handle = mdd_trans_create(env, mdd);
if (IS_ERR(handle))
RETURN(PTR_ERR(handle));
- rc = mdd_declare_unlink(env, mdd, mdd_pobj, mdd_cobj,
- lname, ma, handle);
- if (rc)
- GOTO(stop, rc);
-
- rc = mdd_trans_start(env, mdd, handle);
- if (rc)
- GOTO(stop, rc);
-
- dlh = mdd_pdo_write_lock(env, mdd_pobj, name, MOR_TGT_PARENT);
- if (dlh == NULL)
- GOTO(out_trans, rc = -ENOMEM);
- mdd_write_lock(env, mdd_cobj, MOR_TGT_CHILD);
-
- rc = mdd_unlink_sanity_check(env, mdd_pobj, mdd_cobj, ma);
- if (rc)
- GOTO(cleanup, rc);
-
- rc = __mdd_index_delete(env, mdd_pobj, name, is_dir, handle,
- mdd_object_capa(env, mdd_pobj));
- if (rc)
- GOTO(cleanup, rc);
-
- mdo_ref_del(env, mdd_cobj, handle);
- if (is_dir)
- /* unlink dot */
- mdo_ref_del(env, mdd_cobj, handle);
-
- LASSERT(ma->ma_attr.la_valid & LA_CTIME);
- la->la_ctime = la->la_mtime = ma->ma_attr.la_ctime;
-
- la->la_valid = LA_CTIME | LA_MTIME;
- rc = mdd_attr_check_set_internal_locked(env, mdd_pobj, la, handle, 0);
- if (rc)
- GOTO(cleanup, rc);
-
- if (ma->ma_attr.la_nlink > 0 || mdd_cobj->mod_count > 0) {
+ rc = mdd_declare_unlink(env, mdd, mdd_pobj, mdd_cobj,
+ lname, ma, handle, no_name);
+ if (rc)
+ GOTO(stop, rc);
+
+ rc = mdd_trans_start(env, mdd, handle);
+ if (rc)
+ GOTO(stop, rc);
+
+ dlh = mdd_pdo_write_lock(env, mdd_pobj, name, MOR_TGT_PARENT);
+ if (dlh == NULL)
+ GOTO(stop, rc = -ENOMEM);
+
+ if (likely(mdd_cobj != NULL)) {
+ mdd_write_lock(env, mdd_cobj, MOR_TGT_CHILD);
+
+ /* fetch cattr */
+ rc = mdd_la_get(env, mdd_cobj, cattr,
+ mdd_object_capa(env, mdd_cobj));
+ if (rc)
+ GOTO(cleanup, rc);
+
+ is_dir = S_ISDIR(cattr->la_mode);
+
+ }
+
+ rc = mdd_unlink_sanity_check(env, mdd_pobj, mdd_cobj, cattr);
+ if (rc)
+ GOTO(cleanup, rc);
+
+ if (likely(no_name == 0)) {
+ rc = __mdd_index_delete(env, mdd_pobj, name, is_dir, handle,
+ mdd_object_capa(env, mdd_pobj));
+ if (rc)
+ GOTO(cleanup, rc);
+ }
+
+ if (likely(mdd_cobj != NULL)) {
+ rc = mdo_ref_del(env, mdd_cobj, handle);
+ if (rc != 0) {
+ __mdd_index_insert_only(env, mdd_pobj,
+ mdo2fid(mdd_cobj),
+ name, handle,
+ mdd_object_capa(env, mdd_pobj));
+ GOTO(cleanup, rc);
+ }
+
+ if (is_dir)
+ /* unlink dot */
+ mdo_ref_del(env, mdd_cobj, handle);
+
+ /* fetch updated nlink */
+ rc = mdd_la_get(env, mdd_cobj, cattr,
+ mdd_object_capa(env, mdd_cobj));
+ if (rc)
+ GOTO(cleanup, rc);
+ }
+
+ LASSERT(ma->ma_attr.la_valid & LA_CTIME);
+ la->la_ctime = la->la_mtime = ma->ma_attr.la_ctime;
+
+ la->la_valid = LA_CTIME | LA_MTIME;
+ rc = mdd_attr_check_set_internal(env, mdd_pobj, la, handle, 0);
+ if (rc)
+ GOTO(cleanup, rc);
+
+ /* Enough for only unlink the entry */
+ if (unlikely(mdd_cobj == NULL)) {
+ mdd_pdo_write_unlock(env, mdd_pobj, dlh);
+ GOTO(stop, rc);
+ }
+
+ if (cattr->la_nlink > 0 || mdd_cobj->mod_count > 0) {
/* update ctime of an unlinked file only if it is still
* opened or a link still exists */
la->la_valid = LA_CTIME;
GOTO(cleanup, rc);
}
+ /* XXX: this transfer to ma will be removed with LOD/OSP */
+ ma->ma_attr = *cattr;
+ ma->ma_valid |= MA_INODE;
rc = mdd_finish_unlink(env, mdd_cobj, ma, handle);
-#ifdef HAVE_QUOTA_SUPPORT
- if (mds->mds_quota && ma->ma_valid & MA_INODE &&
- ma->ma_attr.la_nlink == 0) {
- struct lu_attr *la_tmp = &mdd_env_info(env)->mti_la;
-
- rc = mdd_la_get(env, mdd_pobj, la_tmp, BYPASS_CAPA);
- if (!rc) {
- mdd_quota_wrapper(la_tmp, qpids);
- if (mdd_cobj->mod_count == 0) {
- quota_opc = FSFILT_OP_UNLINK;
- mdd_quota_wrapper(&ma->ma_attr, qcids);
- } else {
- quota_opc = FSFILT_OP_UNLINK_PARTIAL_PARENT;
- }
- }
- }
-#endif
- if (!is_dir)
- /* old files may not have link ea; ignore errors */
- mdd_links_rename(env, mdd_cobj, mdo2fid(mdd_pobj),
- lname, NULL, NULL, handle);
+ /* fetch updated nlink */
+ if (rc == 0)
+ rc = mdd_la_get(env, mdd_cobj, cattr,
+ mdd_object_capa(env, mdd_cobj));
+
+ if (!is_dir)
+ /* old files may not have link ea; ignore errors */
+ mdd_links_del(env, mdd_cobj, mdo2fid(mdd_pobj), lname, handle);
+
+ /* if object is removed then we can't get its attrs, use last get */
+ if (cattr->la_nlink == 0) {
+ ma->ma_attr = *cattr;
+ ma->ma_valid |= MA_INODE;
+ }
EXIT;
cleanup:
mdd_write_unlock(env, mdd_cobj);
mdd_pdo_write_unlock(env, mdd_pobj, dlh);
-out_trans:
if (rc == 0) {
int cl_flags;
- cl_flags = (ma->ma_attr.la_nlink == 0) ? CLF_UNLINK_LAST : 0;
+ cl_flags = (cattr->la_nlink == 0) ? CLF_UNLINK_LAST : 0;
if ((ma->ma_valid & MA_HSM) &&
(ma->ma_hsm.mh_flags & HS_EXISTS))
cl_flags |= CLF_UNLINK_HSM_EXISTS;
- rc = mdd_changelog_ns_store(env, mdd,
- is_dir ? CL_RMDIR : CL_UNLINK, cl_flags,
- mdd_cobj, mdd_pobj, NULL, lname, handle);
+ rc = mdd_changelog_ns_store(env, mdd,
+ is_dir ? CL_RMDIR : CL_UNLINK, cl_flags,
+ mdd_cobj, mdd_pobj, lname, handle);
}
stop:
mdd_trans_stop(env, mdd, rc, handle);
-#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2,3,50,0)
- if (rc == 0 && ma->ma_valid & MA_COOKIE && ma->ma_valid & MA_LOV &&
- ma->ma_valid & MA_FLAGS && ma->ma_attr_flags & MDS_UNLINK_DESTROY)
- /* Since echo client is incapable of destorying ost object,
- * it will destory the object here. */
- rc = mdd_lovobj_unlink(env, mdd, mdd_cobj, la,
- ma->ma_lmm, ma->ma_lmm_size,
- ma->ma_cookie, 1);
-#else
-#warning "please remove this after 2.4 (LOD/OSP)."
-#endif
-#ifdef HAVE_QUOTA_SUPPORT
- if (quota_opc)
- /* Trigger dqrel on the owner of child and parent. If failed,
- * the next call for lquota_chkquota will process it. */
- lquota_adjust(mds_quota_interface_ref, obd, qcids, qpids, rc,
- quota_opc);
-#endif
return rc;
}
-/* has not lock on pobj yet */
-static int mdd_ni_sanity_check(const struct lu_env *env,
- struct md_object *pobj,
- const struct md_attr *ma)
+/*
+ * The permission has been checked when obj created, no need check again.
+ */
+static int mdd_cd_sanity_check(const struct lu_env *env,
+ struct mdd_object *obj)
{
- struct mdd_object *obj = md2mdd_obj(pobj);
- int rc;
ENTRY;
- if (ma->ma_attr_flags & MDS_PERM_BYPASS)
- RETURN(0);
+ /* EEXIST check */
+ if (!obj || mdd_is_dead_obj(obj))
+ RETURN(-ENOENT);
- rc = mdd_may_create(env, obj, NULL, 1, S_ISDIR(ma->ma_attr.la_mode));
+ RETURN(0);
- RETURN(rc);
}
-/*
- * Partial operation.
- */
-static int mdd_name_insert(const struct lu_env *env,
- struct md_object *pobj,
- const struct lu_name *lname,
- const struct lu_fid *fid,
- const struct md_attr *ma)
+static int mdd_create_data(const struct lu_env *env, struct md_object *pobj,
+ struct md_object *cobj, const struct md_op_spec *spec,
+ struct md_attr *ma)
{
- const char *name = lname->ln_name;
- struct lu_attr *la = &mdd_env_info(env)->mti_la_for_fix;
- struct mdd_object *mdd_obj = md2mdd_obj(pobj);
- struct dynlock_handle *dlh;
- struct thandle *handle;
- int is_dir = S_ISDIR(ma->ma_attr.la_mode);
-#ifdef HAVE_QUOTA_SUPPORT
- struct mdd_device *mdd = mdo2mdd(pobj);
- struct md_ucred *uc = md_ucred(env);
- struct obd_device *obd = mdd->mdd_obd_dev;
- struct obd_export *exp = md_quota(env)->mq_exp;
- struct mds_obd *mds = &obd->u.mds;
- unsigned int qids[MAXQUOTAS] = { 0, 0 };
- int quota_opc = 0, rec_pending[MAXQUOTAS] = { 0, 0 };
- cfs_cap_t save = uc->mu_cap;
-#endif
- int rc;
+ struct mdd_device *mdd = mdo2mdd(cobj);
+ struct mdd_object *mdd_pobj = md2mdd_obj(pobj);
+ struct mdd_object *son = md2mdd_obj(cobj);
+ struct thandle *handle;
+ const struct lu_buf *buf;
+ struct lu_attr *attr = &mdd_env_info(env)->mti_cattr;
+ int rc;
ENTRY;
- /* XXX: this code won't be used ever:
- * DNE uses slightly different approach */
- LBUG();
-
-#ifdef HAVE_QUOTA_SUPPORT
- if (mds->mds_quota) {
- if (!(ma->ma_attr_flags & MDS_QUOTA_IGNORE)) {
- struct lu_attr *la_tmp = &mdd_env_info(env)->mti_la;
-
- rc = mdd_la_get(env, mdd_obj, la_tmp, BYPASS_CAPA);
- if (!rc) {
- void *data = NULL;
- mdd_data_get(env, mdd_obj, &data);
- quota_opc = FSFILT_OP_LINK;
- mdd_quota_wrapper(la_tmp, qids);
- /* get block quota for parent */
- lquota_chkquota(mds_quota_interface_ref, obd,
- exp, qids, rec_pending, 1, NULL,
- LQUOTA_FLAGS_BLK, data, 1);
- }
- } else {
- uc->mu_cap |= CFS_CAP_SYS_RESOURCE_MASK;
- }
- }
-#endif
- handle = mdd_trans_create(env, mdo2mdd(pobj));
- if (IS_ERR(handle))
- GOTO(out_pending, rc = PTR_ERR(handle));
+ rc = mdd_cd_sanity_check(env, son);
+ if (rc)
+ RETURN(rc);
- rc = mdd_trans_start(env, mdo2mdd(pobj), handle);
+ if (!md_should_create(spec->sp_cr_flags))
+ RETURN(0);
- dlh = mdd_pdo_write_lock(env, mdd_obj, name, MOR_TGT_PARENT);
- if (dlh == NULL)
- GOTO(out_trans, rc = -ENOMEM);
+ /*
+ * there are following use cases for this function:
+ * 1) late striping - file was created with MDS_OPEN_DELAY_CREATE
+ * striping can be specified or not
+ * 2) CMD?
+ */
+ rc = mdd_la_get(env, son, attr, mdd_object_capa(env, son));
+ if (rc)
+ RETURN(rc);
- rc = mdd_ni_sanity_check(env, pobj, ma);
- if (rc)
- GOTO(out_unlock, rc);
+ /* calling ->ah_make_hint() is used to transfer information from parent */
+ mdd_object_make_hint(env, mdd_pobj, son, attr);
- rc = __mdd_index_insert(env, mdd_obj, fid, name, is_dir,
- handle, BYPASS_CAPA);
- if (rc)
- GOTO(out_unlock, rc);
-
- /*
- * For some case, no need update obj's ctime (LA_CTIME is not set),
- * e.g. split_dir.
- * For other cases, update obj's ctime (LA_CTIME is set),
- * e.g. cmr_link.
- */
- if (ma->ma_attr.la_valid & LA_CTIME) {
- la->la_ctime = la->la_mtime = ma->ma_attr.la_ctime;
- la->la_valid = LA_CTIME | LA_MTIME;
- rc = mdd_attr_check_set_internal_locked(env, mdd_obj, la,
- handle, 0);
- }
- EXIT;
-out_unlock:
- mdd_pdo_write_unlock(env, mdd_obj, dlh);
-out_trans:
- mdd_trans_stop(env, mdo2mdd(pobj), rc, handle);
-out_pending:
-#ifdef HAVE_QUOTA_SUPPORT
- if (mds->mds_quota) {
- if (quota_opc) {
- lquota_pending_commit(mds_quota_interface_ref,
- obd, qids, rec_pending, 1);
- /* Trigger dqacq for the parent owner. If failed,
- * the next call for lquota_chkquota will process it*/
- lquota_adjust(mds_quota_interface_ref, obd, 0, qids,
- rc, quota_opc);
- } else {
- uc->mu_cap = save;
- }
- }
-#endif
- return rc;
-}
-
-/* has not lock on pobj yet */
-static int mdd_nr_sanity_check(const struct lu_env *env,
- struct md_object *pobj,
- const struct md_attr *ma)
-{
- struct mdd_object *obj = md2mdd_obj(pobj);
- int rc;
- ENTRY;
-
- if (ma->ma_attr_flags & MDS_PERM_BYPASS)
- RETURN(0);
-
- rc = mdd_may_unlink(env, obj, ma);
-
- RETURN(rc);
-}
-
-/*
- * Partial operation.
- */
-static int mdd_name_remove(const struct lu_env *env,
- struct md_object *pobj,
- const struct lu_name *lname,
- const struct md_attr *ma)
-{
- const char *name = lname->ln_name;
- struct lu_attr *la = &mdd_env_info(env)->mti_la_for_fix;
- struct mdd_object *mdd_obj = md2mdd_obj(pobj);
- struct mdd_device *mdd = mdo2mdd(pobj);
- struct dynlock_handle *dlh;
- struct thandle *handle;
- int is_dir = S_ISDIR(ma->ma_attr.la_mode);
-#ifdef HAVE_QUOTA_SUPPORT
- struct obd_device *obd = mdd->mdd_obd_dev;
- struct mds_obd *mds = &obd->u.mds;
- unsigned int qids[MAXQUOTAS] = { 0, 0 };
- int quota_opc = 0;
-#endif
- int rc;
- ENTRY;
-
- /* XXX: this code won't be used ever:
- * DNE uses slightly different approach */
- LBUG();
-
-#ifdef HAVE_QUOTA_SUPPORT
- if (mds->mds_quota) {
- struct lu_attr *la_tmp = &mdd_env_info(env)->mti_la;
-
- rc = mdd_la_get(env, mdd_obj, la_tmp, BYPASS_CAPA);
- if (!rc) {
- quota_opc = FSFILT_OP_UNLINK_PARTIAL_PARENT;
- mdd_quota_wrapper(la_tmp, qids);
- }
- }
-#endif
handle = mdd_trans_create(env, mdd);
if (IS_ERR(handle))
- GOTO(out_pending, rc = PTR_ERR(handle));
-
- rc = mdd_trans_start(env, mdd, handle);
-
- dlh = mdd_pdo_write_lock(env, mdd_obj, name, MOR_TGT_PARENT);
- if (dlh == NULL)
- GOTO(out_trans, rc = -ENOMEM);
-
- rc = mdd_nr_sanity_check(env, pobj, ma);
- if (rc)
- GOTO(out_unlock, rc);
-
- rc = __mdd_index_delete(env, mdd_obj, name, is_dir,
- handle, BYPASS_CAPA);
- if (rc)
- GOTO(out_unlock, rc);
-
- /*
- * For some case, no need update obj's ctime (LA_CTIME is not set),
- * e.g. split_dir.
- * For other cases, update obj's ctime (LA_CTIME is set),
- * e.g. cmr_unlink.
- */
- if (ma->ma_attr.la_valid & LA_CTIME) {
- la->la_ctime = la->la_mtime = ma->ma_attr.la_ctime;
- la->la_valid = LA_CTIME | LA_MTIME;
- rc = mdd_attr_check_set_internal_locked(env, mdd_obj, la,
- handle, 0);
- }
- EXIT;
-out_unlock:
- mdd_pdo_write_unlock(env, mdd_obj, dlh);
-out_trans:
- mdd_trans_stop(env, mdd, rc, handle);
-out_pending:
-#ifdef HAVE_QUOTA_SUPPORT
- /* Trigger dqrel for the parent owner.
- * If failed, the next call for lquota_chkquota will process it. */
- if (quota_opc)
- lquota_adjust(mds_quota_interface_ref, obd, 0, qids, rc,
- quota_opc);
-#endif
- return rc;
-}
-
-/*
- * tobj maybe NULL
- * has mdd_write_lock on tobj alreay, but not on tgt_pobj yet
- */
-static int mdd_rt_sanity_check(const struct lu_env *env,
- struct mdd_object *tgt_pobj,
- struct mdd_object *tobj,
- struct md_attr *ma)
-{
- int rc;
- ENTRY;
-
- if (unlikely(ma->ma_attr_flags & MDS_PERM_BYPASS))
- RETURN(0);
-
- /* XXX: for mdd_rename_tgt, "tobj == NULL" does not mean tobj not
- * exist. In fact, tobj must exist, otherwise the call trace will be:
- * mdt_reint_rename_tgt -> mdo_name_insert -> ... -> mdd_name_insert.
- * When get here, tobj must be NOT NULL, the other case has been
- * processed in cmr_rename_tgt before mdd_rename_tgt and enable
- * MDS_PERM_BYPASS.
- * So check may_delete, but not check nlink of tgt_pobj. */
-
- rc = mdd_may_delete(env, tgt_pobj, tobj, ma, 1, 1);
-
- RETURN(rc);
-}
-
-/* Partial rename op on slave MDD */
-static int mdd_rename_tgt(const struct lu_env *env,
- struct md_object *pobj, struct md_object *tobj,
- const struct lu_fid *lf, const struct lu_name *lname,
- struct md_attr *ma)
-{
- const char *name = lname->ln_name;
- struct lu_attr *la = &mdd_env_info(env)->mti_la_for_fix;
- struct mdd_object *mdd_tpobj = md2mdd_obj(pobj);
- struct mdd_object *mdd_tobj = md2mdd_obj(tobj);
- struct mdd_device *mdd = mdo2mdd(pobj);
- struct dynlock_handle *dlh;
- struct thandle *handle;
-#ifdef HAVE_QUOTA_SUPPORT
- struct obd_device *obd = mdd->mdd_obd_dev;
- struct obd_export *exp = md_quota(env)->mq_exp;
- struct mds_obd *mds = &obd->u.mds;
- unsigned int qcids[MAXQUOTAS] = { 0, 0 };
- unsigned int qpids[MAXQUOTAS] = { 0, 0 };
- int quota_copc = 0, quota_popc = 0;
- int rec_pending[MAXQUOTAS] = { 0, 0 };
-#endif
- int rc;
- ENTRY;
-
- /* XXX: this code won't be used ever:
- * DNE uses slightly different approach */
- LBUG();
-
-#ifdef HAVE_QUOTA_SUPPORT
- if (mds->mds_quota && !tobj) {
- struct lu_attr *la_tmp = &mdd_env_info(env)->mti_la;
-
- rc = mdd_la_get(env, mdd_tpobj, la_tmp, BYPASS_CAPA);
- if (!rc) {
- void *data = NULL;
- mdd_data_get(env, mdd_tpobj, &data);
- quota_popc = FSFILT_OP_LINK;
- mdd_quota_wrapper(la_tmp, qpids);
- /* get block quota for target parent */
- lquota_chkquota(mds_quota_interface_ref, obd, exp,
- qpids, rec_pending, 1, NULL,
- LQUOTA_FLAGS_BLK, data, 1);
- }
- }
-#endif
- handle = mdd_trans_create(env, mdd);
- if (IS_ERR(handle))
- GOTO(out_pending, rc = PTR_ERR(handle));
-
- rc = mdd_trans_start(env, mdd, handle);
-
- dlh = mdd_pdo_write_lock(env, mdd_tpobj, name, MOR_TGT_PARENT);
- if (dlh == NULL)
- GOTO(out_trans, rc = -ENOMEM);
- if (tobj)
- mdd_write_lock(env, mdd_tobj, MOR_TGT_CHILD);
-
- rc = mdd_rt_sanity_check(env, mdd_tpobj, mdd_tobj, ma);
- if (rc)
- GOTO(cleanup, rc);
-
- /*
- * If rename_tgt is called then we should just re-insert name with
- * correct fid, no need to dec/inc parent nlink if obj is dir.
- */
- rc = __mdd_index_delete(env, mdd_tpobj, name, 0, handle, BYPASS_CAPA);
- if (rc)
- GOTO(cleanup, rc);
-
- rc = __mdd_index_insert_only(env, mdd_tpobj, lf, name, handle,
- BYPASS_CAPA);
- if (rc)
- GOTO(cleanup, rc);
-
- LASSERT(ma->ma_attr.la_valid & LA_CTIME);
- la->la_ctime = la->la_mtime = ma->ma_attr.la_ctime;
-
- la->la_valid = LA_CTIME | LA_MTIME;
- rc = mdd_attr_check_set_internal_locked(env, mdd_tpobj, la, handle, 0);
- if (rc)
- GOTO(cleanup, rc);
+ GOTO(out_free, rc = PTR_ERR(handle));
/*
- * For tobj is remote case cmm layer has processed
- * and pass NULL tobj to here. So when tobj is NOT NULL,
- * it must be local one.
+ * XXX: Setting the lov ea is not locked but setting the attr is locked?
+ * Should this be fixed?
*/
- if (tobj && mdd_object_exists(mdd_tobj)) {
- mdo_ref_del(env, mdd_tobj, handle);
-
- /* Remove dot reference. */
- if (S_ISDIR(ma->ma_attr.la_mode))
- mdo_ref_del(env, mdd_tobj, handle);
-
- la->la_valid = LA_CTIME;
- rc = mdd_attr_check_set_internal(env, mdd_tobj, la, handle, 0);
- if (rc)
- GOTO(cleanup, rc);
-
- rc = mdd_finish_unlink(env, mdd_tobj, ma, handle);
- if (rc)
- GOTO(cleanup, rc);
-
-#ifdef HAVE_QUOTA_SUPPORT
- if (mds->mds_quota && ma->ma_valid & MA_INODE &&
- ma->ma_attr.la_nlink == 0 && mdd_tobj->mod_count == 0) {
- quota_copc = FSFILT_OP_UNLINK_PARTIAL_CHILD;
- mdd_quota_wrapper(&ma->ma_attr, qcids);
- }
-#endif
- }
- EXIT;
-cleanup:
- if (tobj)
- mdd_write_unlock(env, mdd_tobj);
- mdd_pdo_write_unlock(env, mdd_tpobj, dlh);
-out_trans:
- if (rc == 0)
- /* Bare EXT record with no RENAME in front of it signifies
- a partial slave op */
- rc = mdd_changelog_ns_store(env, mdd, CL_EXT, 0, mdd_tobj,
- mdd_tpobj, NULL, lname, handle);
-
- mdd_trans_stop(env, mdd, rc, handle);
-out_pending:
-#ifdef HAVE_QUOTA_SUPPORT
- if (mds->mds_quota) {
- if (quota_popc)
- lquota_pending_commit(mds_quota_interface_ref, obd,
- qpids, rec_pending, 1);
-
- if (quota_copc)
- /* Trigger dqrel on the target owner of child.
- * If failed, the next call for lquota_chkquota
- * will process it. */
- lquota_adjust(mds_quota_interface_ref, obd, qcids, qpids,
- rc, quota_copc);
- }
-#endif
- return rc;
-}
-
-/*
- * The permission has been checked when obj created, no need check again.
- */
-static int mdd_cd_sanity_check(const struct lu_env *env,
- struct mdd_object *obj)
-{
- ENTRY;
+ CDEBUG(D_OTHER, "ea %p/%u, cr_flags %Lo, no_create %u\n",
+ spec->u.sp_ea.eadata, spec->u.sp_ea.eadatalen,
+ spec->sp_cr_flags, spec->no_create);
- /* EEXIST check */
- if (!obj || mdd_is_dead_obj(obj))
- RETURN(-ENOENT);
+ if (spec->no_create || spec->sp_cr_flags & MDS_OPEN_HAS_EA) {
+ /* replay case or lfs setstripe */
+ buf = mdd_buf_get_const(env, spec->u.sp_ea.eadata,
+ spec->u.sp_ea.eadatalen);
+ } else {
+ buf = &LU_BUF_NULL;
+ }
- RETURN(0);
+ rc = dt_declare_xattr_set(env, mdd_object_child(son), buf,
+ XATTR_NAME_LOV, 0, handle);
+ if (rc)
+ GOTO(stop, rc);
-}
+ rc = mdd_declare_changelog_store(env, mdd, NULL, handle);
+ if (rc)
+ GOTO(stop, rc);
-static int mdd_declare_create_data(const struct lu_env *env,
- struct mdd_device *mdd,
- struct mdd_object *obj,
- int lmm_size,
- struct thandle *handle)
-{
- struct lu_buf *buf = &mdd_env_info(env)->mti_buf;
- int rc;
+ rc = mdd_trans_start(env, mdd, handle);
+ if (rc)
+ GOTO(stop, rc);
- buf->lb_buf = NULL;
- buf->lb_len = lmm_size;
- rc = mdo_declare_xattr_set(env, obj, buf, XATTR_NAME_LOV,
- 0, handle);
- if (rc)
- return rc;
+ rc = dt_xattr_set(env, mdd_object_child(son), buf, XATTR_NAME_LOV,
+ 0, handle, mdd_object_capa(env, son));
- rc = mdd_declare_lov_objid_update(env, mdd, handle);
+ if (rc)
+ GOTO(stop, rc);
- return rc;
-}
-
-static int mdd_create_data(const struct lu_env *env, struct md_object *pobj,
- struct md_object *cobj, const struct md_op_spec *spec,
- struct md_attr *ma)
-{
- struct mdd_device *mdd = mdo2mdd(cobj);
- struct mdd_object *mdd_pobj = md2mdd_obj(pobj);
- struct mdd_object *son = md2mdd_obj(cobj);
- struct lov_mds_md *lmm = NULL;
- int lmm_size = 0;
- struct thandle *handle;
- int rc;
- ENTRY;
-
- rc = mdd_cd_sanity_check(env, son);
- if (rc)
- RETURN(rc);
-
- if (!md_should_create(spec->sp_cr_flags))
- RETURN(0);
- lmm_size = ma->ma_lmm_size;
-
- rc = mdd_lov_create(env, mdd, mdd_pobj, son, &lmm, &lmm_size, spec, ma);
- if (rc)
- RETURN(rc);
-
- handle = mdd_trans_create(env, mdd);
- if (IS_ERR(handle))
- GOTO(out_free, rc = PTR_ERR(handle));
-
- rc = mdd_declare_create_data(env, mdd, son, lmm_size, handle);
- if (rc)
- GOTO(stop, rc);
-
- rc = mdd_trans_start(env, mdd, handle);
- if (rc)
- GOTO(stop, rc);
-
- /*
- * XXX: Setting the lov ea is not locked but setting the attr is locked?
- * Should this be fixed?
- */
-
- /* Replay creates has objects already */
-#if 0
- if (spec->no_create) {
- CDEBUG(D_INFO, "we already have lov ea\n");
- rc = mdd_lov_set_md(env, mdd_pobj, son,
- (struct lov_mds_md *)spec->u.sp_ea.eadata,
- spec->u.sp_ea.eadatalen, handle, 0);
- } else
-#endif
- /* No need mdd_lsm_sanity_check here */
- rc = mdd_lov_set_md(env, mdd_pobj, son, lmm,
- lmm_size, handle, 0);
-
- if (rc == 0)
- rc = mdd_attr_get_internal_locked(env, son, ma);
-
- /* update lov_objid data, must be before transaction stop! */
- if (rc == 0)
- mdd_lov_objid_update(mdd, lmm);
+ rc = mdd_changelog_data_store(env, mdd, CL_LAYOUT, 0, son, handle);
stop:
- mdd_trans_stop(env, mdd, rc, handle);
+ mdd_trans_stop(env, mdd, rc, handle);
out_free:
- /* Finish mdd_lov_create() stuff. */
- /* if no_create == 0 (not replay), we free lmm allocated by
- * mdd_lov_create() */
- mdd_lov_create_finish(env, mdd, lmm, lmm_size, spec);
- RETURN(rc);
+ RETURN(rc);
}
/* Get fid from name and parent */
if (unlikely(mdd_is_dead_obj(mdd_obj)))
RETURN(-ESTALE);
- rc = mdd_object_exists(mdd_obj);
- if (unlikely(rc == 0))
- RETURN(-ESTALE);
- else if (unlikely(rc < 0)) {
- CERROR("Object "DFID" locates on remote server\n",
- PFID(mdo2fid(mdd_obj)));
- RETURN(-EINVAL);
- }
+ if (mdd_object_remote(mdd_obj)) {
+ CDEBUG(D_INFO, "%s: Object "DFID" locates on remote server\n",
+ mdd2obd_dev(m)->obd_name, PFID(mdo2fid(mdd_obj)));
+ } else if (!mdd_object_exists(mdd_obj)) {
+ RETURN(-ESTALE);
+ }
/* The common filename length check. */
if (unlikely(lname->ln_namelen > m->mdd_dt_conf.ddp_max_name_len))
RETURN(rc);
}
-int mdd_declare_object_initialize(const struct lu_env *env,
- struct mdd_object *child,
- struct md_attr *ma,
- struct thandle *handle)
+static int mdd_declare_object_initialize(const struct lu_env *env,
+ struct mdd_object *parent,
+ struct mdd_object *child,
+ struct lu_attr *attr,
+ struct thandle *handle,
+ struct linkea_data *ldata)
{
int rc;
-
- rc = mdo_declare_attr_set(env, child, &ma->ma_attr, handle);
- if (rc == 0 && S_ISDIR(ma->ma_attr.la_mode)) {
- rc = mdo_declare_index_insert(env, child, mdo2fid(child),
- dot, handle);
+ ENTRY;
+
+ /*
+ * inode mode has been set in creation time, and it's based on umask,
+ * la_mode and acl, don't set here again! (which will go wrong
+ * because below function doesn't consider umask).
+ * I'd suggest set all object attributes in creation time, see above.
+ */
+ LASSERT(attr->la_valid & (LA_MODE | LA_TYPE));
+ attr->la_valid &= ~(LA_MODE | LA_TYPE);
+ rc = mdo_declare_attr_set(env, child, attr, handle);
+ attr->la_valid |= LA_MODE | LA_TYPE;
+ if (rc == 0 && S_ISDIR(attr->la_mode)) {
+ rc = mdo_declare_index_insert(env, child, mdo2fid(child),
+ dot, handle);
if (rc == 0)
rc = mdo_declare_ref_add(env, child, handle);
+
+ rc = mdo_declare_index_insert(env, child, mdo2fid(parent),
+ dotdot, handle);
}
- if (rc == 0)
- mdd_declare_links_add(env, child, handle);
- return rc;
+ if (rc == 0)
+ mdd_declare_links_add(env, child, handle, ldata);
+
+ RETURN(rc);
}
-int mdd_object_initialize(const struct lu_env *env, const struct lu_fid *pfid,
- const struct lu_name *lname, struct mdd_object *child,
- struct md_attr *ma, struct thandle *handle,
- const struct md_op_spec *spec)
+static int mdd_object_initialize(const struct lu_env *env,
+ const struct lu_fid *pfid,
+ const struct lu_name *lname,
+ struct mdd_object *child,
+ struct lu_attr *attr, struct thandle *handle,
+ const struct md_op_spec *spec,
+ struct linkea_data *ldata)
{
int rc;
ENTRY;
* (2) maybe, the child attributes should be set in OSD when creation.
*/
- rc = mdd_attr_set_internal(env, child, &ma->ma_attr, handle, 0);
- if (rc != 0)
- RETURN(rc);
-
- if (S_ISDIR(ma->ma_attr.la_mode)) {
+ rc = mdd_attr_set_internal(env, child, attr, handle, 0);
+ /* arguments are supposed to stay the same */
+ if (S_ISDIR(attr->la_mode)) {
/* Add "." and ".." for newly created dir */
mdo_ref_add(env, child, handle);
rc = __mdd_index_insert_only(env, child, mdo2fid(child),
if (rc != 0)
mdo_ref_del(env, child, handle);
}
- if (rc == 0)
- mdd_links_add(env, child, pfid, lname, handle, 1);
- RETURN(rc);
+ if (rc == 0)
+ mdd_links_add(env, child, pfid, lname, handle, ldata, 1);
+
+ RETURN(rc);
}
/* has not lock on pobj yet */
static int mdd_create_sanity_check(const struct lu_env *env,
struct md_object *pobj,
+ struct lu_attr *pattr,
const struct lu_name *lname,
- struct md_attr *ma,
+ struct lu_attr *cattr,
struct md_op_spec *spec)
{
struct mdd_thread_info *info = mdd_env_info(env);
- struct lu_attr *la = &info->mti_la;
struct lu_fid *fid = &info->mti_fid;
struct mdd_object *obj = md2mdd_obj(pobj);
struct mdd_device *m = mdo2mdd(pobj);
- int lookup = spec->sp_cr_lookup;
int rc;
ENTRY;
if (mdd_is_dead_obj(obj))
RETURN(-ENOENT);
- /*
+ /*
* In some cases this lookup is not needed - we know before if name
* exists or not because MDT performs lookup for it.
* name length check is done in lookup.
*/
- if (lookup) {
+ if (spec->sp_cr_lookup) {
/*
* Check if the name already exist, though it will be checked in
* _index_insert also, for avoiding rolling back if exists
* EXEC permission have been checked
* when lookup before create already.
*/
- rc = mdd_permission_internal_locked(env, obj, NULL, MAY_WRITE,
- MOR_TGT_PARENT);
+ rc = mdd_permission_internal_locked(env, obj, pattr, MAY_WRITE,
+ MOR_TGT_PARENT);
if (rc)
RETURN(rc);
}
/* sgid check */
- rc = mdd_la_get(env, obj, la, BYPASS_CAPA);
- if (rc != 0)
- RETURN(rc);
-
- if (la->la_mode & S_ISGID) {
- ma->ma_attr.la_gid = la->la_gid;
- if (S_ISDIR(ma->ma_attr.la_mode)) {
- ma->ma_attr.la_mode |= S_ISGID;
- ma->ma_attr.la_valid |= LA_MODE;
- }
- }
-
- switch (ma->ma_attr.la_mode & S_IFMT) {
+ if (pattr->la_mode & S_ISGID) {
+ cattr->la_gid = pattr->la_gid;
+ if (S_ISDIR(cattr->la_mode)) {
+ cattr->la_mode |= S_ISGID;
+ cattr->la_valid |= LA_MODE;
+ }
+ }
+
+ switch (cattr->la_mode & S_IFMT) {
case S_IFLNK: {
unsigned int symlen = strlen(spec->u.sp_symname) + 1;
RETURN(rc);
}
-static int mdd_declare_create(const struct lu_env *env,
- struct mdd_device *mdd,
- struct mdd_object *p,
- struct mdd_object *c,
- const struct lu_name *name,
- struct md_attr *ma,
- int lmm_size,
- struct thandle *handle,
- const struct md_op_spec *spec)
+static int mdd_declare_create(const struct lu_env *env, struct mdd_device *mdd,
+ struct mdd_object *p, struct mdd_object *c,
+ const struct lu_name *name,
+ struct lu_attr *attr,
+ int got_def_acl,
+ struct thandle *handle,
+ const struct md_op_spec *spec,
+ struct linkea_data *ldata)
{
- struct lu_buf *buf = &mdd_env_info(env)->mti_buf;
- int rc = 0;
-
- rc = mdd_declare_object_create_internal(env, p, c, ma, handle, spec);
- if (rc)
- GOTO(out, rc);
-
- /* if dir, then can inherit default ACl */
- buf->lb_buf = NULL;
- buf->lb_len = lmm_size;
- if (S_ISDIR(ma->ma_attr.la_mode)) {
- rc = mdo_declare_xattr_set(env, c, buf, XATTR_NAME_ACL_DEFAULT,
- 0, handle);
- if (rc == 0)
- rc = mdo_declare_ref_add(env, p, handle);
- }
- if (rc)
- GOTO(out, rc);
+ int rc;
- rc = mdo_declare_xattr_set(env, c, buf, XATTR_NAME_ACL_ACCESS,
- 0, handle);
+ rc = mdd_declare_object_create_internal(env, p, c, attr, handle, spec);
if (rc)
GOTO(out, rc);
- rc = mdd_declare_object_initialize(env, c, ma, handle);
- if (rc)
- GOTO(out, rc);
-
- rc = mdo_declare_index_insert(env, p, mdo2fid(c),
- name->ln_name, handle);
- if (rc)
- GOTO(out, rc);
-
- rc = mdo_declare_xattr_set(env, c, buf, XATTR_NAME_LOV,
- 0, handle);
- if (rc)
- GOTO(out, rc);
+#ifdef CONFIG_FS_POSIX_ACL
+ if (got_def_acl > 0) {
+ struct lu_buf *acl_buf;
+
+ acl_buf = mdd_buf_get(env, NULL, got_def_acl);
+ /* if dir, then can inherit default ACl */
+ if (S_ISDIR(attr->la_mode)) {
+ rc = mdo_declare_xattr_set(env, c, acl_buf,
+ XATTR_NAME_ACL_DEFAULT,
+ 0, handle);
+ if (rc)
+ GOTO(out, rc);
+ }
+
+ rc = mdo_declare_attr_set(env, c, attr, handle);
+ if (rc)
+ GOTO(out, rc);
+
+ rc = mdo_declare_xattr_set(env, c, acl_buf,
+ XATTR_NAME_ACL_ACCESS, 0, handle);
+ if (rc)
+ GOTO(out, rc);
+ }
+#endif
- if (S_ISLNK(ma->ma_attr.la_mode)) {
+ if (S_ISDIR(attr->la_mode)) {
+ rc = mdo_declare_ref_add(env, p, handle);
+ if (rc)
+ GOTO(out, rc);
+ }
+
+ rc = mdd_declare_object_initialize(env, p, c, attr, handle, ldata);
+ if (rc)
+ GOTO(out, rc);
+
+ if (spec->sp_cr_flags & MDS_OPEN_VOLATILE)
+ rc = orph_declare_index_insert(env, c, attr->la_mode, handle);
+ else
+ rc = mdo_declare_index_insert(env, p, mdo2fid(c),
+ name->ln_name, handle);
+ if (rc)
+ GOTO(out, rc);
+
+ /* replay case, create LOV EA from client data */
+ if (spec->no_create || (spec->sp_cr_flags & MDS_OPEN_HAS_EA)) {
+ const struct lu_buf *buf;
+
+ buf = mdd_buf_get_const(env, spec->u.sp_ea.eadata,
+ spec->u.sp_ea.eadatalen);
+ rc = mdo_declare_xattr_set(env, c, buf, XATTR_NAME_LOV,
+ 0, handle);
+ if (rc)
+ GOTO(out, rc);
+ }
+
+ if (S_ISLNK(attr->la_mode)) {
rc = dt_declare_record_write(env, mdd_object_child(c),
strlen(spec->u.sp_symname), 0,
handle);
if (rc)
GOTO(out, rc);
}
- rc = mdo_declare_attr_set(env, p, &ma->ma_attr, handle);
- if (rc)
- return rc;
+
+ if (!(spec->sp_cr_flags & MDS_OPEN_VOLATILE)) {
+ rc = mdo_declare_attr_set(env, p, attr, handle);
+ if (rc)
+ return rc;
+ }
rc = mdd_declare_changelog_store(env, mdd, name, handle);
if (rc)
return rc;
- rc = mdd_declare_lov_objid_update(env, mdd, handle);
-
out:
return rc;
}
+static int mdd_acl_init(const struct lu_env *env, struct mdd_object *pobj,
+ struct lu_attr *la, struct lu_buf *acl_buf,
+ int *got_def_acl, int *reset_acl)
+{
+ int rc;
+ ENTRY;
+
+ if (S_ISLNK(la->la_mode))
+ RETURN(0);
+
+ mdd_read_lock(env, pobj, MOR_TGT_PARENT);
+ rc = mdo_xattr_get(env, pobj, acl_buf,
+ XATTR_NAME_ACL_DEFAULT, BYPASS_CAPA);
+ mdd_read_unlock(env, pobj);
+ if (rc > 0) {
+ /* If there are default ACL, fix mode by default ACL */
+ *got_def_acl = rc;
+ acl_buf->lb_len = rc;
+ rc = __mdd_fix_mode_acl(env, acl_buf, &la->la_mode);
+ if (rc < 0)
+ RETURN(rc);
+ *reset_acl = rc;
+ } else if (rc == -ENODATA || rc == -EOPNOTSUPP) {
+ /* If there are no default ACL, fix mode by mask */
+ struct lu_ucred *uc = lu_ucred(env);
+
+ /* The create triggered by MDT internal events, such as
+ * LFSCK reset, will not contain valid "uc". */
+ if (unlikely(uc != NULL))
+ la->la_mode &= ~uc->uc_umask;
+ rc = 0;
+ }
+
+ RETURN(rc);
+}
/*
* Create object and insert it into namespace.
*/
-static int mdd_create(const struct lu_env *env,
- struct md_object *pobj,
- const struct lu_name *lname,
- struct md_object *child,
- struct md_op_spec *spec,
- struct md_attr* ma)
+static int mdd_create(const struct lu_env *env, struct md_object *pobj,
+ const struct lu_name *lname, struct md_object *child,
+ struct md_op_spec *spec, struct md_attr* ma)
{
- struct mdd_thread_info *info = mdd_env_info(env);
- struct lu_attr *la = &info->mti_la_for_fix;
- struct md_attr *ma_acl = &info->mti_ma;
- struct mdd_object *mdd_pobj = md2mdd_obj(pobj);
- struct mdd_object *son = md2mdd_obj(child);
- struct mdd_device *mdd = mdo2mdd(pobj);
- struct lu_attr *attr = &ma->ma_attr;
- struct lov_mds_md *lmm = NULL;
- struct thandle *handle;
- struct dynlock_handle *dlh;
- const char *name = lname->ln_name;
- int rc, created = 0, initialized = 0, inserted = 0, lmm_size = 0;
- int got_def_acl = 0;
-#ifdef HAVE_QUOTA_SUPPORT
- struct obd_device *obd = mdd->mdd_obd_dev;
- struct obd_export *exp = md_quota(env)->mq_exp;
- struct mds_obd *mds = &obd->u.mds;
- unsigned int qcids[MAXQUOTAS] = { 0, 0 };
- unsigned int qpids[MAXQUOTAS] = { 0, 0 };
- int quota_opc = 0, block_count = 0;
- int inode_pending[MAXQUOTAS] = { 0, 0 };
- int block_pending[MAXQUOTAS] = { 0, 0 };
- int parent_pending[MAXQUOTAS] = { 0, 0 };
-#endif
- ENTRY;
+ struct mdd_thread_info *info = mdd_env_info(env);
+ struct lu_attr *la = &info->mti_la_for_fix;
+ struct mdd_object *mdd_pobj = md2mdd_obj(pobj);
+ struct mdd_object *son = md2mdd_obj(child);
+ struct mdd_device *mdd = mdo2mdd(pobj);
+ struct lu_attr *attr = &ma->ma_attr;
+ struct thandle *handle;
+ struct lu_attr *pattr = &info->mti_pattr;
+ struct lu_buf acl_buf;
+ struct linkea_data *ldata = &info->mti_link_data;
+ struct dynlock_handle *dlh;
+ const char *name = lname->ln_name;
+ int rc, created = 0, initialized = 0, inserted = 0;
+ int got_def_acl = 0;
+ int reset_acl = 0;
+ ENTRY;
/*
* Two operations have to be performed:
* 2. insert (__mdd_index_insert(), lookup again)
*/
+ rc = mdd_la_get(env, mdd_pobj, pattr, BYPASS_CAPA);
+ if (rc != 0)
+ RETURN(rc);
+
/* Sanity checks before big job. */
- rc = mdd_create_sanity_check(env, pobj, lname, ma, spec);
+ rc = mdd_create_sanity_check(env, pobj, pattr, lname, attr, spec);
if (rc)
RETURN(rc);
-#ifdef HAVE_QUOTA_SUPPORT
- if (mds->mds_quota) {
- struct lu_attr *la_tmp = &mdd_env_info(env)->mti_la;
-
- rc = mdd_la_get(env, mdd_pobj, la_tmp, BYPASS_CAPA);
- if (!rc) {
- int same = 0;
-
- quota_opc = FSFILT_OP_CREATE;
- mdd_quota_wrapper(&ma->ma_attr, qcids);
- mdd_quota_wrapper(la_tmp, qpids);
- /* get file quota for child */
- lquota_chkquota(mds_quota_interface_ref, obd, exp,
- qcids, inode_pending, 1, NULL, 0, NULL,
- 0);
- switch (ma->ma_attr.la_mode & S_IFMT) {
- case S_IFLNK:
- case S_IFDIR:
- block_count = 2;
- break;
- case S_IFREG:
- block_count = 1;
- break;
- }
- if (qcids[USRQUOTA] == qpids[USRQUOTA] &&
- qcids[GRPQUOTA] == qpids[GRPQUOTA]) {
- block_count += 1;
- same = 1;
- }
- /* get block quota for child and parent */
- if (block_count)
- lquota_chkquota(mds_quota_interface_ref, obd,
- exp, qcids, block_pending,
- block_count, NULL,
- LQUOTA_FLAGS_BLK, NULL, 0);
- if (!same)
- lquota_chkquota(mds_quota_interface_ref, obd,
- exp, qpids, parent_pending, 1,
- NULL, LQUOTA_FLAGS_BLK, NULL,
- 0);
- }
- }
-#endif
-
if (OBD_FAIL_CHECK(OBD_FAIL_MDS_DQACQ_NET))
- GOTO(out_pending, rc = -EINPROGRESS);
+ GOTO(out_free, rc = -EINPROGRESS);
- /*
- * No RPC inside the transaction, so OST objects should be created at
- * first.
- */
- if (S_ISREG(attr->la_mode)) {
- lmm_size = ma->ma_lmm_size;
- rc = mdd_lov_create(env, mdd, mdd_pobj, son, &lmm, &lmm_size,
- spec, ma);
- if (rc)
- GOTO(out_pending, rc);
- }
-
- if (!S_ISLNK(attr->la_mode)) {
- ma_acl->ma_acl_size = sizeof info->mti_xattr_buf;
- ma_acl->ma_acl = info->mti_xattr_buf;
- ma_acl->ma_need = MA_ACL_DEF;
- ma_acl->ma_valid = 0;
+ acl_buf.lb_buf = info->mti_xattr_buf;
+ acl_buf.lb_len = sizeof(info->mti_xattr_buf);
+ rc = mdd_acl_init(env, mdd_pobj, attr, &acl_buf, &got_def_acl,
+ &reset_acl);
+ if (rc < 0)
+ GOTO(out_free, rc);
- mdd_read_lock(env, mdd_pobj, MOR_TGT_PARENT);
- rc = mdd_def_acl_get(env, mdd_pobj, ma_acl);
- mdd_read_unlock(env, mdd_pobj);
- if (rc)
- GOTO(out_free, rc);
- else if (ma_acl->ma_valid & MA_ACL_DEF)
- got_def_acl = 1;
- }
+ mdd_object_make_hint(env, mdd_pobj, son, attr);
handle = mdd_trans_create(env, mdd);
if (IS_ERR(handle))
GOTO(out_free, rc = PTR_ERR(handle));
- rc = mdd_declare_create(env, mdd, mdd_pobj, son, lname, ma,
- lmm_size, handle, spec);
+ memset(ldata, 0, sizeof(*ldata));
+ mdd_linkea_prepare(env, son, NULL, NULL, mdd_object_fid(mdd_pobj),
+ lname, 1, 0, ldata);
+ rc = mdd_declare_create(env, mdd, mdd_pobj, son, lname, attr,
+ got_def_acl, handle, spec, ldata);
if (rc)
GOTO(out_stop, rc);
if (rc)
GOTO(out_stop, rc);
- dlh = mdd_pdo_write_lock(env, mdd_pobj, name, MOR_TGT_PARENT);
- if (dlh == NULL)
- GOTO(out_trans, rc = -ENOMEM);
+ dlh = mdd_pdo_write_lock(env, mdd_pobj, name, MOR_TGT_PARENT);
+ if (dlh == NULL)
+ GOTO(out_trans, rc = -ENOMEM);
- mdd_write_lock(env, son, MOR_TGT_CHILD);
- rc = mdd_object_create_internal(env, mdd_pobj, son, ma, handle, spec);
- if (rc) {
- mdd_write_unlock(env, son);
- GOTO(cleanup, rc);
- }
+ mdd_write_lock(env, son, MOR_TGT_CHILD);
+ rc = mdd_object_create_internal(env, NULL, son, attr, handle, spec);
+ if (rc) {
+ mdd_write_unlock(env, son);
+ GOTO(cleanup, rc);
+ }
- created = 1;
+ created = 1;
#ifdef CONFIG_FS_POSIX_ACL
- if (got_def_acl) {
- struct lu_buf *acl_buf = &info->mti_buf;
- acl_buf->lb_buf = ma_acl->ma_acl;
- acl_buf->lb_len = ma_acl->ma_acl_size;
-
- rc = __mdd_acl_init(env, son, acl_buf, &attr->la_mode, handle);
- if (rc) {
- mdd_write_unlock(env, son);
- GOTO(cleanup, rc);
- } else {
- ma->ma_attr.la_valid |= LA_MODE;
- }
- }
+ if (got_def_acl) {
+ /* set default acl */
+ if (S_ISDIR(attr->la_mode)) {
+ LASSERTF(acl_buf.lb_len == got_def_acl,
+ "invalid acl_buf: %p:%d got_def %d\n",
+ acl_buf.lb_buf, (int)acl_buf.lb_len,
+ got_def_acl);
+ rc = mdo_xattr_set(env, son, &acl_buf,
+ XATTR_NAME_ACL_DEFAULT, 0,
+ handle, BYPASS_CAPA);
+ if (rc) {
+ mdd_write_unlock(env, son);
+ GOTO(cleanup, rc);
+ }
+ }
+
+ /* set its own acl */
+ if (reset_acl) {
+ LASSERTF(acl_buf.lb_buf != NULL && acl_buf.lb_len != 0,
+ "invalid acl_buf %p:%d\n", acl_buf.lb_buf,
+ (int)acl_buf.lb_len);
+ rc = mdo_xattr_set(env, son, &acl_buf,
+ XATTR_NAME_ACL_ACCESS,
+ 0, handle, BYPASS_CAPA);
+ if (rc) {
+ mdd_write_unlock(env, son);
+ GOTO(cleanup, rc);
+ }
+ }
+ }
#endif
- rc = mdd_object_initialize(env, mdo2fid(mdd_pobj), lname,
- son, ma, handle, spec);
- mdd_write_unlock(env, son);
- if (rc)
- /*
- * Object has no links, so it will be destroyed when last
- * reference is released. (XXX not now.)
- */
- GOTO(cleanup, rc);
+ rc = mdd_object_initialize(env, mdo2fid(mdd_pobj), lname,
+ son, attr, handle, spec, ldata);
- initialized = 1;
+ /*
+ * in case of replay we just set LOVEA provided by the client
+ * XXX: I think it would be interesting to try "old" way where
+ * MDT calls this xattr_set(LOV) in a different transaction.
+ * probably this way we code can be made better.
+ */
+ if (rc == 0 && (spec->no_create ||
+ (spec->sp_cr_flags & MDS_OPEN_HAS_EA))) {
+ const struct lu_buf *buf;
- rc = __mdd_index_insert(env, mdd_pobj, mdo2fid(son),
- name, S_ISDIR(attr->la_mode), handle,
- mdd_object_capa(env, mdd_pobj));
+ buf = mdd_buf_get_const(env, spec->u.sp_ea.eadata,
+ spec->u.sp_ea.eadatalen);
+ rc = mdo_xattr_set(env, son, buf, XATTR_NAME_LOV, 0, handle,
+ BYPASS_CAPA);
+ }
- if (rc)
- GOTO(cleanup, rc);
+ if (rc == 0 && spec->sp_cr_flags & MDS_OPEN_VOLATILE)
+ rc = __mdd_orphan_add(env, son, handle);
- inserted = 1;
+ mdd_write_unlock(env, son);
- /* No need mdd_lsm_sanity_check here */
- rc = mdd_lov_set_md(env, mdd_pobj, son, lmm, lmm_size, handle, 0);
- if (rc) {
- CERROR("error on stripe info copy %d \n", rc);
- GOTO(cleanup, rc);
- }
- if (lmm && lmm_size > 0) {
- /* Set Lov here, do not get lmm again later */
- if (lmm_size > ma->ma_lmm_size) {
- /* Reply buffer is smaller, need bigger one */
- mdd_max_lmm_buffer(env, lmm_size);
- if (unlikely(info->mti_max_lmm == NULL))
- GOTO(cleanup, rc = -ENOMEM);
- ma->ma_lmm = info->mti_max_lmm;
- ma->ma_big_lmm_used = 1;
- }
- memcpy(ma->ma_lmm, lmm, lmm_size);
- ma->ma_lmm_size = lmm_size;
- ma->ma_valid |= MA_LOV;
- }
+ if (rc != 0)
+ /*
+ * Object has no links, so it will be destroyed when last
+ * reference is released. (XXX not now.)
+ */
+ GOTO(cleanup, rc);
+
+ initialized = 1;
+
+ if (!(spec->sp_cr_flags & MDS_OPEN_VOLATILE))
+ rc = __mdd_index_insert(env, mdd_pobj, mdo2fid(son),
+ name, S_ISDIR(attr->la_mode), handle,
+ mdd_object_capa(env, mdd_pobj));
+
+ if (rc != 0)
+ GOTO(cleanup, rc);
+
+ inserted = 1;
if (S_ISLNK(attr->la_mode)) {
- struct md_ucred *uc = md_ucred(env);
+ struct lu_ucred *uc = lu_ucred_assert(env);
struct dt_object *dt = mdd_object_child(son);
const char *target_name = spec->u.sp_symname;
int sym_len = strlen(target_name);
loff_t pos = 0;
buf = mdd_buf_get_const(env, target_name, sym_len);
- rc = dt->do_body_ops->dbo_write(env, dt, buf, &pos, handle,
- mdd_object_capa(env, son),
- uc->mu_cap &
- CFS_CAP_SYS_RESOURCE_MASK);
+ rc = dt->do_body_ops->dbo_write(env, dt, buf, &pos, handle,
+ mdd_object_capa(env, son),
+ uc->uc_cap &
+ CFS_CAP_SYS_RESOURCE_MASK);
if (rc == sym_len)
rc = 0;
GOTO(cleanup, rc = -EFAULT);
}
- *la = ma->ma_attr;
- la->la_valid = LA_CTIME | LA_MTIME;
- rc = mdd_attr_check_set_internal_locked(env, mdd_pobj, la, handle, 0);
- if (rc)
- GOTO(cleanup, rc);
+ /* volatile file creation does not update parent directory times */
+ if (spec->sp_cr_flags & MDS_OPEN_VOLATILE)
+ GOTO(cleanup, rc = 0);
+
+ /* update parent directory mtime/ctime */
+ *la = *attr;
+ la->la_valid = LA_CTIME | LA_MTIME;
+ rc = mdd_attr_check_set_internal(env, mdd_pobj, la, handle, 0);
+ if (rc)
+ GOTO(cleanup, rc);
- /* Return attr back. */
- rc = mdd_attr_get_internal_locked(env, son, ma);
EXIT;
cleanup:
- if (rc && created) {
- int rc2 = 0;
-
- if (inserted) {
- rc2 = __mdd_index_delete(env, mdd_pobj, name,
- S_ISDIR(attr->la_mode),
- handle, BYPASS_CAPA);
- if (rc2)
- CERROR("error can not cleanup destroy %d\n",
- rc2);
- }
-
- if (rc2 == 0) {
- mdd_write_lock(env, son, MOR_TGT_CHILD);
- mdo_ref_del(env, son, handle);
- if (initialized && S_ISDIR(attr->la_mode))
- mdo_ref_del(env, son, handle);
- mdd_write_unlock(env, son);
- }
+ if (rc != 0 && created != 0) {
+ int rc2;
+
+ if (inserted != 0) {
+ if (spec->sp_cr_flags & MDS_OPEN_VOLATILE)
+ rc2 = __mdd_orphan_del(env, son, handle);
+ else
+ rc2 = __mdd_index_delete(env, mdd_pobj, name,
+ S_ISDIR(attr->la_mode),
+ handle, BYPASS_CAPA);
+ if (rc2 != 0)
+ goto out_stop;
+ }
+
+ mdd_write_lock(env, son, MOR_TGT_CHILD);
+ if (initialized != 0 && S_ISDIR(attr->la_mode)) {
+ /* Drop the reference, no need to delete "."/"..",
+ * because the object to be destroied directly. */
+ rc2 = mdo_ref_del(env, son, handle);
+ if (rc2 != 0) {
+ mdd_write_unlock(env, son);
+ goto out_stop;
+ }
+ }
+
+ rc2 = mdo_ref_del(env, son, handle);
+ if (rc2 != 0) {
+ mdd_write_unlock(env, son);
+ goto out_stop;
+ }
+
+ mdo_destroy(env, son, handle);
+ mdd_write_unlock(env, son);
}
- /* update lov_objid data, must be before transaction stop! */
- if (rc == 0)
- mdd_lov_objid_update(mdd, lmm);
-
mdd_pdo_write_unlock(env, mdd_pobj, dlh);
out_trans:
- if (rc == 0)
- rc = mdd_changelog_ns_store(env, mdd,
- S_ISDIR(attr->la_mode) ? CL_MKDIR :
- S_ISREG(attr->la_mode) ? CL_CREATE :
- S_ISLNK(attr->la_mode) ? CL_SOFTLINK : CL_MKNOD,
- 0, son, mdd_pobj, NULL, lname, handle);
+ if (rc == 0 && fid_is_namespace_visible(mdo2fid(son)))
+ rc = mdd_changelog_ns_store(env, mdd,
+ S_ISDIR(attr->la_mode) ? CL_MKDIR :
+ S_ISREG(attr->la_mode) ? CL_CREATE :
+ S_ISLNK(attr->la_mode) ? CL_SOFTLINK : CL_MKNOD,
+ 0, son, mdd_pobj, lname, handle);
out_stop:
mdd_trans_stop(env, mdd, rc, handle);
out_free:
- /* finish lov_create stuff, free all temporary data */
- mdd_lov_create_finish(env, mdd, lmm, lmm_size, spec);
-out_pending:
-#ifdef HAVE_QUOTA_SUPPORT
- if (quota_opc) {
- lquota_pending_commit(mds_quota_interface_ref, obd, qcids,
- inode_pending, 0);
- lquota_pending_commit(mds_quota_interface_ref, obd, qcids,
- block_pending, 1);
- lquota_pending_commit(mds_quota_interface_ref, obd, qpids,
- parent_pending, 1);
- /* Trigger dqacq on the owner of child and parent. If failed,
- * the next call for lquota_chkquota will process it. */
- lquota_adjust(mds_quota_interface_ref, obd, qcids, qpids, rc,
- quota_opc);
- }
-#endif
+ if (ldata->ld_buf && ldata->ld_buf->lb_len > OBD_ALLOC_BIG)
+ /* if we vmalloced a large buffer drop it */
+ lu_buf_free(ldata->ld_buf);
+
/* The child object shouldn't be cached anymore */
if (rc)
- cfs_set_bit(LU_OBJECT_HEARD_BANSHEE,
+ set_bit(LU_OBJECT_HEARD_BANSHEE,
&child->mo_lu.lo_header->loh_flags);
return rc;
}
struct mdd_object *tgt_pobj,
struct mdd_object *sobj,
struct mdd_object *tobj,
- struct md_attr *ma)
+ struct lu_attr *so_attr,
+ struct lu_attr *tg_attr)
{
- int rc = 0;
- ENTRY;
-
- if (unlikely(ma->ma_attr_flags & MDS_PERM_BYPASS))
- RETURN(0);
-
- /* XXX: when get here, sobj must NOT be NULL,
- * the other case has been processed in cml_rename
- * before mdd_rename and enable MDS_PERM_BYPASS. */
- LASSERT(sobj);
-
- rc = mdd_may_delete(env, src_pobj, sobj, ma, 1, 0);
- if (rc)
- RETURN(rc);
-
- /* XXX: when get here, "tobj == NULL" means tobj must
- * NOT exist (neither on remote MDS, such case has been
- * processed in cml_rename before mdd_rename and enable
- * MDS_PERM_BYPASS).
- * So check may_create, but not check may_unlink. */
- if (!tobj)
- rc = mdd_may_create(env, tgt_pobj, NULL,
- (src_pobj != tgt_pobj), 0);
- else
- rc = mdd_may_delete(env, tgt_pobj, tobj, ma,
- (src_pobj != tgt_pobj), 1);
-
- if (!rc && !tobj && (src_pobj != tgt_pobj) &&
- S_ISDIR(ma->ma_attr.la_mode))
- rc = __mdd_may_link(env, tgt_pobj);
-
- RETURN(rc);
+ int rc = 0;
+ ENTRY;
+
+ /* XXX: when get here, sobj must NOT be NULL,
+ * the other case has been processed in cld_rename
+ * before mdd_rename and enable MDS_PERM_BYPASS. */
+ LASSERT(sobj);
+
+ rc = mdd_may_delete(env, src_pobj, sobj, so_attr, NULL, 1, 0);
+ if (rc)
+ RETURN(rc);
+
+ /* XXX: when get here, "tobj == NULL" means tobj must
+ * NOT exist (neither on remote MDS, such case has been
+ * processed in cld_rename before mdd_rename and enable
+ * MDS_PERM_BYPASS).
+ * So check may_create, but not check may_unlink. */
+ if (!tobj)
+ rc = mdd_may_create(env, tgt_pobj, NULL,
+ (src_pobj != tgt_pobj), 0);
+ else
+ rc = mdd_may_delete(env, tgt_pobj, tobj, tg_attr, so_attr,
+ (src_pobj != tgt_pobj), 1);
+
+ if (!rc && !tobj && (src_pobj != tgt_pobj) &&
+ S_ISDIR(so_attr->la_mode))
+ rc = __mdd_may_link(env, tgt_pobj);
+
+ RETURN(rc);
}
static int mdd_declare_rename(const struct lu_env *env,
- struct mdd_device *mdd,
- struct mdd_object *mdd_spobj,
- struct mdd_object *mdd_tpobj,
- struct mdd_object *mdd_sobj,
- struct mdd_object *mdd_tobj,
- const struct lu_name *sname,
- const struct lu_name *tname,
- struct md_attr *ma,
- struct thandle *handle)
+ struct mdd_device *mdd,
+ struct mdd_object *mdd_spobj,
+ struct mdd_object *mdd_tpobj,
+ struct mdd_object *mdd_sobj,
+ struct mdd_object *mdd_tobj,
+ const struct lu_name *tname,
+ const struct lu_name *sname,
+ struct md_attr *ma,
+ struct linkea_data *ldata,
+ struct thandle *handle)
{
- int rc;
+ struct lu_attr *la = &mdd_env_info(env)->mti_la_for_fix;
+ int rc;
+
+ LASSERT(ma->ma_attr.la_valid & LA_CTIME);
+ la->la_ctime = la->la_mtime = ma->ma_attr.la_ctime;
LASSERT(mdd_spobj);
LASSERT(mdd_tpobj);
rc = mdo_declare_ref_del(env, mdd_spobj, handle);
if (rc)
return rc;
-
- rc = mdo_declare_index_delete(env, mdd_sobj, dotdot, handle);
- if (rc)
- return rc;
-
- rc = mdo_declare_index_insert(env, mdd_sobj, mdo2fid(mdd_tpobj),
- dotdot, handle);
- if (rc)
- return rc;
-
+ if (mdd_spobj != mdd_tpobj) {
+ rc = mdo_declare_index_delete(env, mdd_sobj, dotdot,
+ handle);
+ if (rc)
+ return rc;
+
+ rc = mdo_declare_index_insert(env, mdd_sobj,
+ mdo2fid(mdd_tpobj),
+ dotdot, handle);
+ if (rc)
+ return rc;
+ }
/* new target child can be directory,
* counted by target dir's nlink */
rc = mdo_declare_ref_add(env, mdd_tpobj, handle);
}
- rc = mdo_declare_attr_set(env, mdd_spobj, NULL, handle);
- if (rc)
- return rc;
+ la->la_valid = LA_CTIME | LA_MTIME;
+ rc = mdo_declare_attr_set(env, mdd_spobj, la, handle);
+ if (rc != 0)
+ return rc;
- rc = mdo_declare_attr_set(env, mdd_sobj, NULL, handle);
- if (rc)
- return rc;
- mdd_declare_links_add(env, mdd_sobj, handle);
- if (rc)
- return rc;
+ rc = mdo_declare_attr_set(env, mdd_tpobj, la, handle);
+ if (rc != 0)
+ return rc;
- rc = mdo_declare_attr_set(env, mdd_tpobj, NULL, handle);
- if (rc)
- return rc;
+ la->la_valid = LA_CTIME;
+ rc = mdo_declare_attr_set(env, mdd_sobj, la, handle);
+ if (rc)
+ return rc;
+
+ rc = mdd_declare_links_add(env, mdd_sobj, handle, ldata);
+ if (rc)
+ return rc;
/* new name */
rc = mdo_declare_index_insert(env, mdd_tpobj, mdo2fid(mdd_sobj),
return rc;
}
- rc = mdo_declare_attr_set(env, mdd_tobj, NULL, handle);
+ la->la_valid = LA_CTIME;
+ rc = mdo_declare_attr_set(env, mdd_tobj, la, handle);
if (rc)
return rc;
- mdd_declare_links_add(env, mdd_tobj, handle);
+ mdd_declare_links_del(env, mdd_tobj, handle);
if (rc)
return rc;
return rc;
}
- rc = mdd_declare_changelog_store(env, mdd, tname, handle);
- if (rc)
- return rc;
-
- rc = mdd_declare_changelog_store(env, mdd, sname, handle);
+ rc = mdd_declare_changelog_ext_store(env, mdd, tname, sname, handle);
if (rc)
return rc;
struct md_object *tobj, const struct lu_name *ltname,
struct md_attr *ma)
{
- const char *sname = lsname->ln_name;
- const char *tname = ltname->ln_name;
- struct lu_attr *la = &mdd_env_info(env)->mti_la_for_fix;
- struct mdd_object *mdd_spobj = md2mdd_obj(src_pobj); /* source parent */
- struct mdd_object *mdd_tpobj = md2mdd_obj(tgt_pobj);
- struct mdd_device *mdd = mdo2mdd(src_pobj);
- struct mdd_object *mdd_sobj = NULL; /* source object */
- struct mdd_object *mdd_tobj = NULL;
- struct dynlock_handle *sdlh, *tdlh;
- struct thandle *handle;
- const struct lu_fid *tpobj_fid = mdo2fid(mdd_tpobj);
- const struct lu_fid *spobj_fid = mdo2fid(mdd_spobj);
- int is_dir;
- int rc, rc2;
-
-#ifdef HAVE_QUOTA_SUPPORT
- struct obd_device *obd = mdd->mdd_obd_dev;
- struct obd_export *exp = md_quota(env)->mq_exp;
- struct mds_obd *mds = &obd->u.mds;
- unsigned int qspids[MAXQUOTAS] = { 0, 0 };
- unsigned int qtcids[MAXQUOTAS] = { 0, 0 };
- unsigned int qtpids[MAXQUOTAS] = { 0, 0 };
- int quota_copc = 0, quota_popc = 0;
- int rec_pending[MAXQUOTAS] = { 0, 0 };
-#endif
- ENTRY;
-
- LASSERT(ma->ma_attr.la_mode & S_IFMT);
- is_dir = S_ISDIR(ma->ma_attr.la_mode);
+ const char *sname = lsname->ln_name;
+ const char *tname = ltname->ln_name;
+ struct lu_attr *la = &mdd_env_info(env)->mti_la_for_fix;
+ struct lu_attr *so_attr = &mdd_env_info(env)->mti_cattr;
+ struct lu_attr *tg_attr = &mdd_env_info(env)->mti_pattr;
+ struct mdd_object *mdd_spobj = md2mdd_obj(src_pobj); /* source parent */
+ struct mdd_object *mdd_tpobj = md2mdd_obj(tgt_pobj);
+ struct mdd_device *mdd = mdo2mdd(src_pobj);
+ struct mdd_object *mdd_sobj = NULL; /* source object */
+ struct mdd_object *mdd_tobj = NULL;
+ struct dynlock_handle *sdlh = NULL, *tdlh = NULL;
+ struct thandle *handle;
+ struct linkea_data *ldata = &mdd_env_info(env)->mti_link_data;
+ const struct lu_fid *tpobj_fid = mdo2fid(mdd_tpobj);
+ const struct lu_fid *spobj_fid = mdo2fid(mdd_spobj);
+ bool is_dir;
+ bool tobj_ref = 0;
+ bool tobj_locked = 0;
+ unsigned cl_flags = 0;
+ int rc, rc2;
+ ENTRY;
if (tobj)
mdd_tobj = md2mdd_obj(tobj);
-#ifdef HAVE_QUOTA_SUPPORT
- if (mds->mds_quota) {
- struct lu_attr *la_tmp = &mdd_env_info(env)->mti_la;
-
- rc = mdd_la_get(env, mdd_spobj, la_tmp, BYPASS_CAPA);
- if (!rc) {
- mdd_quota_wrapper(la_tmp, qspids);
- if (!tobj) {
- rc = mdd_la_get(env, mdd_tpobj, la_tmp,
- BYPASS_CAPA);
- if (!rc) {
- void *data = NULL;
- mdd_data_get(env, mdd_tpobj, &data);
- quota_popc = FSFILT_OP_LINK;
- mdd_quota_wrapper(la_tmp, qtpids);
- /* get block quota for target parent */
- lquota_chkquota(mds_quota_interface_ref,
- obd, exp, qtpids,
- rec_pending, 1, NULL,
- LQUOTA_FLAGS_BLK,
- data, 1);
- }
- }
- }
- }
-#endif
mdd_sobj = mdd_object_find(env, mdd, lf);
+ rc = mdd_la_get(env, mdd_sobj, so_attr,
+ mdd_object_capa(env, mdd_sobj));
+ if (rc)
+ GOTO(out_pending, rc);
+
+ if (mdd_tobj) {
+ rc = mdd_la_get(env, mdd_tobj, tg_attr,
+ mdd_object_capa(env, mdd_tobj));
+ if (rc)
+ GOTO(out_pending, rc);
+ }
+
+ rc = mdd_rename_sanity_check(env, mdd_spobj, mdd_tpobj, mdd_sobj,
+ mdd_tobj, so_attr, tg_attr);
+ if (rc)
+ GOTO(out_pending, rc);
+
handle = mdd_trans_create(env, mdd);
if (IS_ERR(handle))
GOTO(out_pending, rc = PTR_ERR(handle));
- rc = mdd_declare_rename(env, mdd, mdd_spobj, mdd_tpobj, mdd_sobj,
- mdd_tobj, lsname, ltname, ma, handle);
- if (rc)
- GOTO(stop, rc);
+ memset(ldata, 0, sizeof(*ldata));
+ mdd_linkea_prepare(env, mdd_sobj, NULL, NULL, mdd_object_fid(mdd_tpobj),
+ ltname, 1, 0, ldata);
+ rc = mdd_declare_rename(env, mdd, mdd_spobj, mdd_tpobj, mdd_sobj,
+ mdd_tobj, lsname, ltname, ma, ldata, handle);
+ if (rc)
+ GOTO(stop, rc);
rc = mdd_trans_start(env, mdd, handle);
if (rc)
if (sdlh == NULL || tdlh == NULL)
GOTO(cleanup, rc = -ENOMEM);
- rc = mdd_rename_sanity_check(env, mdd_spobj, mdd_tpobj,
- mdd_sobj, mdd_tobj, ma);
- if (rc)
- GOTO(cleanup, rc);
+ is_dir = S_ISDIR(so_attr->la_mode);
/* Remove source name from source directory */
rc = __mdd_index_delete(env, mdd_spobj, sname, is_dir, handle,
/* XXX: mdd_sobj must be local one if it is NOT NULL. */
if (mdd_sobj) {
la->la_valid = LA_CTIME;
- rc = mdd_attr_check_set_internal_locked(env, mdd_sobj, la,
- handle, 0);
+ rc = mdd_attr_check_set_internal(env, mdd_sobj, la, handle, 0);
if (rc)
GOTO(fixup_tpobj, rc);
}
*/
if (tobj && mdd_object_exists(mdd_tobj)) {
mdd_write_lock(env, mdd_tobj, MOR_TGT_CHILD);
+ tobj_locked = 1;
if (mdd_is_dead_obj(mdd_tobj)) {
- mdd_write_unlock(env, mdd_tobj);
/* shld not be dead, something is wrong */
CERROR("tobj is dead, something is wrong\n");
rc = -EINVAL;
mdo_ref_del(env, mdd_tobj, handle);
/* Remove dot reference. */
- if (is_dir)
+ if (S_ISDIR(tg_attr->la_mode))
mdo_ref_del(env, mdd_tobj, handle);
-
- la->la_valid = LA_CTIME;
- rc = mdd_attr_check_set_internal(env, mdd_tobj, la, handle, 0);
- if (rc)
- GOTO(fixup_tpobj, rc);
-
- rc = mdd_finish_unlink(env, mdd_tobj, ma, handle);
- mdd_write_unlock(env, mdd_tobj);
- if (rc)
- GOTO(fixup_tpobj, rc);
-
-#ifdef HAVE_QUOTA_SUPPORT
- if (mds->mds_quota && ma->ma_valid & MA_INODE &&
- ma->ma_attr.la_nlink == 0 && mdd_tobj->mod_count == 0) {
- quota_copc = FSFILT_OP_UNLINK_PARTIAL_CHILD;
- mdd_quota_wrapper(&ma->ma_attr, qtcids);
- }
-#endif
+ tobj_ref = 1;
+
+ /* fetch updated nlink */
+ rc = mdd_la_get(env, mdd_tobj, tg_attr,
+ mdd_object_capa(env, mdd_tobj));
+ if (rc != 0) {
+ CERROR("%s: Failed to get nlink for tobj "
+ DFID": rc = %d\n",
+ mdd2obd_dev(mdd)->obd_name,
+ PFID(tpobj_fid), rc);
+ GOTO(fixup_tpobj, rc);
+ }
+
+ la->la_valid = LA_CTIME;
+ rc = mdd_attr_check_set_internal(env, mdd_tobj, la, handle, 0);
+ if (rc != 0) {
+ CERROR("%s: Failed to set ctime for tobj "
+ DFID": rc = %d\n",
+ mdd2obd_dev(mdd)->obd_name,
+ PFID(tpobj_fid), rc);
+ GOTO(fixup_tpobj, rc);
+ }
+
+ /* XXX: this transfer to ma will be removed with LOD/OSP */
+ ma->ma_attr = *tg_attr;
+ ma->ma_valid |= MA_INODE;
+ rc = mdd_finish_unlink(env, mdd_tobj, ma, handle);
+ if (rc != 0) {
+ CERROR("%s: Failed to unlink tobj "
+ DFID": rc = %d\n",
+ mdd2obd_dev(mdd)->obd_name,
+ PFID(tpobj_fid), rc);
+ GOTO(fixup_tpobj, rc);
+ }
+
+ /* fetch updated nlink */
+ rc = mdd_la_get(env, mdd_tobj, tg_attr,
+ mdd_object_capa(env, mdd_tobj));
+ if (rc != 0) {
+ CERROR("%s: Failed to get nlink for tobj "
+ DFID": rc = %d\n",
+ mdd2obd_dev(mdd)->obd_name,
+ PFID(tpobj_fid), rc);
+ GOTO(fixup_tpobj, rc);
+ }
+ /* XXX: this transfer to ma will be removed with LOD/OSP */
+ ma->ma_attr = *tg_attr;
+ ma->ma_valid |= MA_INODE;
+
+ if (so_attr->la_nlink == 0)
+ cl_flags |= CLF_RENAME_LAST;
}
la->la_valid = LA_CTIME | LA_MTIME;
- rc = mdd_attr_check_set_internal_locked(env, mdd_spobj, la, handle, 0);
+ rc = mdd_attr_check_set_internal(env, mdd_spobj, la, handle, 0);
if (rc)
GOTO(fixup_tpobj, rc);
if (mdd_spobj != mdd_tpobj) {
la->la_valid = LA_CTIME | LA_MTIME;
- rc = mdd_attr_check_set_internal_locked(env, mdd_tpobj, la,
- handle, 0);
+ rc = mdd_attr_check_set_internal(env, mdd_tpobj, la,
+ handle, 0);
}
- if (rc == 0 && mdd_sobj) {
- mdd_write_lock(env, mdd_sobj, MOR_SRC_CHILD);
- rc = mdd_links_rename(env, mdd_sobj, mdo2fid(mdd_spobj), lsname,
- mdo2fid(mdd_tpobj), ltname, handle);
+ if (rc == 0 && mdd_sobj) {
+ mdd_write_lock(env, mdd_sobj, MOR_SRC_CHILD);
+ rc = mdd_links_rename(env, mdd_sobj, mdo2fid(mdd_spobj), lsname,
+ mdo2fid(mdd_tpobj), ltname, handle, NULL,
+ 0, 0);
if (rc == -ENOENT)
/* Old files might not have EA entry */
mdd_links_add(env, mdd_sobj, mdo2fid(mdd_spobj),
- lsname, handle, 0);
+ lsname, handle, NULL, 0);
mdd_write_unlock(env, mdd_sobj);
/* We don't fail the transaction if the link ea can't be
updated -- fid2path will use alternate lookup method. */
if (mdd_tobj && mdd_object_exists(mdd_tobj) &&
!mdd_is_dead_obj(mdd_tobj)) {
+ if (tobj_ref) {
+ mdo_ref_add(env, mdd_tobj, handle);
+ if (is_dir)
+ mdo_ref_add(env, mdd_tobj, handle);
+ }
+
rc2 = __mdd_index_insert(env, mdd_tpobj,
mdo2fid(mdd_tobj), tname,
is_dir, handle,
}
fixup_spobj:
- if (rc && is_dir && mdd_sobj) {
- rc2 = __mdd_index_delete_only(env, mdd_sobj, dotdot, handle,
- BYPASS_CAPA);
+ if (rc && is_dir && mdd_sobj && mdd_spobj != mdd_tpobj) {
+ rc2 = __mdd_index_delete_only(env, mdd_sobj, dotdot, handle,
+ BYPASS_CAPA);
- if (rc2)
- CWARN("sp obj dotdot delete error %d\n",rc2);
+ if (rc2)
+ CWARN("%s: sp obj dotdot delete error: rc = %d\n",
+ mdd2obd_dev(mdd)->obd_name, rc2);
- rc2 = __mdd_index_insert_only(env, mdd_sobj, spobj_fid,
- dotdot, handle, BYPASS_CAPA);
- if (rc2)
- CWARN("sp obj dotdot insert error %d\n",rc2);
- }
+ rc2 = __mdd_index_insert_only(env, mdd_sobj, spobj_fid,
+ dotdot, handle, BYPASS_CAPA);
+ if (rc2)
+ CWARN("%s: sp obj dotdot insert error: rc = %d\n",
+ mdd2obd_dev(mdd)->obd_name, rc2);
+ }
fixup_spobj2:
if (rc) {
CWARN("sp obj fix error %d\n",rc2);
}
cleanup:
+ if (tobj_locked)
+ mdd_write_unlock(env, mdd_tobj);
if (likely(tdlh) && sdlh != tdlh)
mdd_pdo_write_unlock(env, mdd_tpobj, tdlh);
if (likely(sdlh))
mdd_pdo_write_unlock(env, mdd_spobj, sdlh);
cleanup_unlocked:
if (rc == 0)
- rc = mdd_changelog_ns_store(env, mdd, CL_RENAME, 0, mdd_tobj,
- mdd_spobj, lf, lsname, handle);
- if (rc == 0) {
- struct lu_fid zero_fid;
- fid_zero(&zero_fid);
- /* If the rename target exist, The CL_EXT record should save
- * the target fid as tfid, otherwise, use zero fid. LU-543 */
- rc = mdd_changelog_ns_store(env, mdd, CL_EXT, 0, mdd_tobj,
- mdd_tpobj,
- mdd_tobj ? NULL : &zero_fid,
- ltname, handle);
- }
+ rc = mdd_changelog_ext_ns_store(env, mdd, CL_RENAME, cl_flags,
+ mdd_tobj, tpobj_fid, lf,
+ spobj_fid, ltname, lsname,
+ handle);
stop:
mdd_trans_stop(env, mdd, rc, handle);
- if (mdd_sobj)
- mdd_object_put(env, mdd_sobj);
out_pending:
-#ifdef HAVE_QUOTA_SUPPORT
- if (mds->mds_quota) {
- if (quota_popc)
- lquota_pending_commit(mds_quota_interface_ref, obd,
- qtpids, rec_pending, 1);
-
- if (quota_copc) {
- /* Trigger dqrel on the source owner of parent.
- * If failed, the next call for lquota_chkquota will
- * process it. */
- lquota_adjust(mds_quota_interface_ref, obd, 0, qspids, rc,
- FSFILT_OP_UNLINK_PARTIAL_PARENT);
-
- /* Trigger dqrel on the target owner of child.
- * If failed, the next call for lquota_chkquota
- * will process it. */
- lquota_adjust(mds_quota_interface_ref, obd, qtcids,
- qtpids, rc, quota_copc);
- }
- }
-#endif
- return rc;
-}
-
-/** enable/disable storing of hardlink info */
-int mdd_linkea_enable = 1;
-CFS_MODULE_PARM(mdd_linkea_enable, "d", int, 0644,
- "record hardlink info in EAs");
-
-/** Read the link EA into a temp buffer.
- * Uses the name_buf since it is generally large.
- * \retval IS_ERR err
- * \retval ptr to \a lu_buf (always \a mti_big_buf)
- */
-struct lu_buf *mdd_links_get(const struct lu_env *env,
- struct mdd_object *mdd_obj)
-{
- struct lu_buf *buf;
- struct lustre_capa *capa;
- struct link_ea_header *leh;
- int rc;
-
- /* First try a small buf */
- buf = mdd_buf_alloc(env, CFS_PAGE_SIZE);
- if (buf->lb_buf == NULL)
- return ERR_PTR(-ENOMEM);
-
- capa = mdd_object_capa(env, mdd_obj);
- rc = mdo_xattr_get(env, mdd_obj, buf, XATTR_NAME_LINK, capa);
- if (rc == -ERANGE) {
- /* Buf was too small, figure out what we need. */
- mdd_buf_put(buf);
- rc = mdo_xattr_get(env, mdd_obj, buf, XATTR_NAME_LINK, capa);
- if (rc < 0)
- return ERR_PTR(rc);
- buf = mdd_buf_alloc(env, rc);
- if (buf->lb_buf == NULL)
- return ERR_PTR(-ENOMEM);
- rc = mdo_xattr_get(env, mdd_obj, buf, XATTR_NAME_LINK, capa);
- }
- if (rc < 0)
- return ERR_PTR(rc);
-
- leh = buf->lb_buf;
- if (leh->leh_magic == __swab32(LINK_EA_MAGIC)) {
- leh->leh_magic = LINK_EA_MAGIC;
- leh->leh_reccount = __swab32(leh->leh_reccount);
- leh->leh_len = __swab64(leh->leh_len);
- /* entries are swabbed by mdd_lee_unpack */
- }
- if (leh->leh_magic != LINK_EA_MAGIC)
- return ERR_PTR(-EINVAL);
- if (leh->leh_reccount == 0)
- return ERR_PTR(-ENODATA);
-
- return buf;
-}
-
-/** Pack a link_ea_entry.
- * All elements are stored as chars to avoid alignment issues.
- * Numbers are always big-endian
- * \retval record length
- */
-static int mdd_lee_pack(struct link_ea_entry *lee, const struct lu_name *lname,
- const struct lu_fid *pfid)
-{
- struct lu_fid tmpfid;
- int reclen;
-
- fid_cpu_to_be(&tmpfid, pfid);
- memcpy(&lee->lee_parent_fid, &tmpfid, sizeof(tmpfid));
- memcpy(lee->lee_name, lname->ln_name, lname->ln_namelen);
- reclen = sizeof(struct link_ea_entry) + lname->ln_namelen;
-
- lee->lee_reclen[0] = (reclen >> 8) & 0xff;
- lee->lee_reclen[1] = reclen & 0xff;
- return reclen;
-}
-
-void mdd_lee_unpack(const struct link_ea_entry *lee, int *reclen,
- struct lu_name *lname, struct lu_fid *pfid)
-{
- *reclen = (lee->lee_reclen[0] << 8) | lee->lee_reclen[1];
- memcpy(pfid, &lee->lee_parent_fid, sizeof(*pfid));
- fid_be_to_cpu(pfid, pfid);
- lname->ln_name = lee->lee_name;
- lname->ln_namelen = *reclen - sizeof(struct link_ea_entry);
-}
-
-/** Add a record to the end of link ea buf */
-static int __mdd_links_add(const struct lu_env *env, struct lu_buf *buf,
- const struct lu_fid *pfid,
- const struct lu_name *lname)
-{
- struct link_ea_header *leh;
- struct link_ea_entry *lee;
- int reclen;
-
- if (lname == NULL || pfid == NULL)
- return -EINVAL;
-
- /* Make sure our buf is big enough for the new one */
- leh = buf->lb_buf;
- reclen = lname->ln_namelen + sizeof(struct link_ea_entry);
- if (leh->leh_len + reclen > buf->lb_len) {
- if (mdd_buf_grow(env, leh->leh_len + reclen) < 0)
- return -ENOMEM;
- }
-
- leh = buf->lb_buf;
- lee = buf->lb_buf + leh->leh_len;
- reclen = mdd_lee_pack(lee, lname, pfid);
- leh->leh_len += reclen;
- leh->leh_reccount++;
- return 0;
-}
-
-static int mdd_declare_links_add(const struct lu_env *env,
- struct mdd_object *mdd_obj,
- struct thandle *handle)
-{
- int rc;
-
- /* XXX: max size? */
- rc = mdo_declare_xattr_set(env, mdd_obj,
- mdd_buf_get_const(env, NULL, 4096),
- XATTR_NAME_LINK, 0, handle);
-
- return rc;
-}
-
-/* For pathologic linkers, we don't want to spend lots of time scanning the
- * link ea. Limit ourseleves to something reasonable; links not in the EA
- * can be looked up via (slower) parent lookup.
- */
-#define LINKEA_MAX_COUNT 128
-
-static int mdd_links_add(const struct lu_env *env,
- struct mdd_object *mdd_obj,
- const struct lu_fid *pfid,
- const struct lu_name *lname,
- struct thandle *handle, int first)
-{
- struct lu_buf *buf;
- struct link_ea_header *leh;
- int rc;
- ENTRY;
-
- if (!mdd_linkea_enable)
- RETURN(0);
-
- buf = first ? ERR_PTR(-ENODATA) : mdd_links_get(env, mdd_obj);
- if (IS_ERR(buf)) {
- rc = PTR_ERR(buf);
- if (rc != -ENODATA) {
- CERROR("link_ea read failed %d "DFID"\n", rc,
- PFID(mdd_object_fid(mdd_obj)));
- RETURN (rc);
- }
- /* empty EA; start one */
- buf = mdd_buf_alloc(env, CFS_PAGE_SIZE);
- if (buf->lb_buf == NULL)
- RETURN(-ENOMEM);
- leh = buf->lb_buf;
- leh->leh_magic = LINK_EA_MAGIC;
- leh->leh_len = sizeof(struct link_ea_header);
- leh->leh_reccount = 0;
- }
-
- leh = buf->lb_buf;
- if (leh->leh_reccount > LINKEA_MAX_COUNT)
- RETURN(-EOVERFLOW);
-
- rc = __mdd_links_add(env, buf, pfid, lname);
- if (rc)
- RETURN(rc);
-
- leh = buf->lb_buf;
- rc = __mdd_xattr_set(env, mdd_obj,
- mdd_buf_get_const(env, buf->lb_buf, leh->leh_len),
- XATTR_NAME_LINK, 0, handle);
- if (rc) {
- if (rc == -ENOSPC)
- CDEBUG(D_INODE, "link_ea add failed %d "DFID"\n", rc,
- PFID(mdd_object_fid(mdd_obj)));
- else
- CERROR("link_ea add failed %d "DFID"\n", rc,
- PFID(mdd_object_fid(mdd_obj)));
- }
-
- if (buf->lb_len > OBD_ALLOC_BIG)
- /* if we vmalloced a large buffer drop it */
- mdd_buf_put(buf);
-
- RETURN (rc);
-}
-
-static int mdd_links_rename(const struct lu_env *env,
- struct mdd_object *mdd_obj,
- const struct lu_fid *oldpfid,
- const struct lu_name *oldlname,
- const struct lu_fid *newpfid,
- const struct lu_name *newlname,
- struct thandle *handle)
-{
- struct lu_buf *buf;
- struct link_ea_header *leh;
- struct link_ea_entry *lee;
- struct lu_name *tmpname = &mdd_env_info(env)->mti_name;
- struct lu_fid *tmpfid = &mdd_env_info(env)->mti_fid;
- int reclen = 0;
- int count;
- int rc, rc2 = 0;
- ENTRY;
-
- if (!mdd_linkea_enable)
- RETURN(0);
-
- if (mdd_obj->mod_flags & DEAD_OBJ)
- /* No more links, don't bother */
- RETURN(0);
-
- buf = mdd_links_get(env, mdd_obj);
- if (IS_ERR(buf)) {
- rc = PTR_ERR(buf);
- if (rc == -ENODATA)
- CDEBUG(D_INODE, "link_ea read failed %d "DFID"\n",
- rc, PFID(mdd_object_fid(mdd_obj)));
- else
- CERROR("link_ea read failed %d "DFID"\n",
- rc, PFID(mdd_object_fid(mdd_obj)));
- RETURN(rc);
- }
- leh = buf->lb_buf;
- lee = (struct link_ea_entry *)(leh + 1); /* link #0 */
-
- /* Find the old record */
- for(count = 0; count < leh->leh_reccount; count++) {
- mdd_lee_unpack(lee, &reclen, tmpname, tmpfid);
- if (tmpname->ln_namelen == oldlname->ln_namelen &&
- lu_fid_eq(tmpfid, oldpfid) &&
- (strncmp(tmpname->ln_name, oldlname->ln_name,
- tmpname->ln_namelen) == 0))
- break;
- lee = (struct link_ea_entry *)((char *)lee + reclen);
- }
- if ((count + 1) > leh->leh_reccount) {
- CDEBUG(D_INODE, "Old link_ea name '%.*s' not found\n",
- oldlname->ln_namelen, oldlname->ln_name);
- GOTO(out, rc = -ENOENT);
- }
-
- /* Remove the old record */
- leh->leh_reccount--;
- leh->leh_len -= reclen;
- memmove(lee, (char *)lee + reclen, (char *)leh + leh->leh_len -
- (char *)lee);
-
- /* If renaming, add the new record */
- if (newpfid != NULL) {
- /* if the add fails, we still delete the out-of-date old link */
- rc2 = __mdd_links_add(env, buf, newpfid, newlname);
- leh = buf->lb_buf;
- }
-
- rc = __mdd_xattr_set(env, mdd_obj,
- mdd_buf_get_const(env, buf->lb_buf, leh->leh_len),
- XATTR_NAME_LINK, 0, handle);
-
-out:
- if (rc == 0)
- rc = rc2;
- if (rc)
- CDEBUG(D_INODE, "link_ea mv/unlink '%.*s' failed %d "DFID"\n",
- oldlname->ln_namelen, oldlname->ln_name, rc,
- PFID(mdd_object_fid(mdd_obj)));
-
- if (buf->lb_len > OBD_ALLOC_BIG)
- /* if we vmalloced a large buffer drop it */
- mdd_buf_put(buf);
-
- RETURN (rc);
+ mdd_object_put(env, mdd_sobj);
+ return rc;
}
const struct md_dir_operations mdd_dir_ops = {
.mdo_rename = mdd_rename,
.mdo_link = mdd_link,
.mdo_unlink = mdd_unlink,
- .mdo_lum_lmm_cmp = mdd_lum_lmm_cmp,
- .mdo_name_insert = mdd_name_insert,
- .mdo_name_remove = mdd_name_remove,
- .mdo_rename_tgt = mdd_rename_tgt,
.mdo_create_data = mdd_create_data,
};
git://git.whamcloud.com / fs / lustre-release.git / blobdiff