-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
/*
* Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2012, Whamcloud, Inc.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#define DEBUG_SUBSYSTEM S_FILTER
-#ifndef AUTOCONF_INCLUDED
-#include <linux/config.h>
-#endif
#include <linux/module.h>
#include <linux/fs.h>
#include <linux/dcache.h>
if (!exp->exp_obd->obd_replayable || oti == NULL)
RETURN(rc);
- cfs_mutex_down(&ted->ted_lcd_lock);
+ cfs_mutex_lock(&ted->ted_lcd_lock);
lcd = ted->ted_lcd;
/* if the export has already been disconnected, we have no last_rcvd slot,
* update server data with latest transno then */
if (lcd == NULL) {
- cfs_mutex_up(&ted->ted_lcd_lock);
+ cfs_mutex_unlock(&ted->ted_lcd_lock);
CWARN("commit transaction for disconnected client %s: rc %d\n",
exp->exp_client_uuid.uuid, rc);
err = filter_update_server_data(exp->exp_obd);
if (oti->oti_transno == 0) {
last_rcvd = le64_to_cpu(lsd->lsd_last_transno) + 1;
lsd->lsd_last_transno = cpu_to_le64(last_rcvd);
+ LASSERT(last_rcvd >= le64_to_cpu(lcd->lcd_last_transno));
} else {
last_rcvd = oti->oti_transno;
if (last_rcvd > le64_to_cpu(lsd->lsd_last_transno))
lsd->lsd_last_transno = cpu_to_le64(last_rcvd);
+ if (unlikely(last_rcvd < le64_to_cpu(lcd->lcd_last_transno))) {
+ CERROR("Trying to overwrite bigger transno, on-disk: "
+ LPU64", new: "LPU64"\n",
+ le64_to_cpu(lcd->lcd_last_transno), last_rcvd);
+ cfs_spin_lock(&exp->exp_lock);
+ exp->exp_vbr_failed = 1;
+ cfs_spin_unlock(&exp->exp_lock);
+ cfs_spin_unlock(&obt->obt_lut->lut_translock);
+ cfs_mutex_unlock(&ted->ted_lcd_lock);
+ RETURN(-EOVERFLOW);
+ }
}
oti->oti_transno = last_rcvd;
- LASSERT(last_rcvd >= le64_to_cpu(lcd->lcd_last_transno));
lcd->lcd_last_transno = cpu_to_le64(last_rcvd);
lcd->lcd_pre_versions[0] = cpu_to_le64(oti->oti_pre_version);
lcd->lcd_last_xid = cpu_to_le64(oti->oti_xid);
CDEBUG(log_pri, "wrote trans "LPU64" for client %s at #%d: err = %d\n",
last_rcvd, lcd->lcd_uuid, ted->ted_lr_idx, err);
- cfs_mutex_up(&ted->ted_lcd_lock);
+ cfs_mutex_unlock(&ted->ted_lcd_lock);
RETURN(rc);
}
RETURN(0);
clean:
- lprocfs_exp_cleanup(exp);
return rc;
}
ted->ted_lr_idx = cl_idx;
ted->ted_lr_off = le32_to_cpu(lsd->lsd_client_start) +
cl_idx * le16_to_cpu(lsd->lsd_client_size);
- cfs_init_mutex(&ted->ted_lcd_lock);
+ cfs_mutex_init(&ted->ted_lcd_lock);
LASSERTF(ted->ted_lr_off > 0, "ted_lr_off = %llu\n", ted->ted_lr_off);
CDEBUG(D_INFO, "client at index %d (%llu) with UUID '%s' added\n",
* be in server data or in client data in case of failure */
filter_update_server_data(exp->exp_obd);
- cfs_mutex_down(&ted->ted_lcd_lock);
+ cfs_mutex_lock(&ted->ted_lcd_lock);
memset(ted->ted_lcd->lcd_uuid, 0, sizeof ted->ted_lcd->lcd_uuid);
rc = fsfilt_write_record(exp->exp_obd, obt->obt_rcvd_filp,
ted->ted_lcd,
sizeof(*ted->ted_lcd), &off, 0);
- cfs_mutex_up(&ted->ted_lcd_lock);
+ cfs_mutex_unlock(&ted->ted_lcd_lock);
pop_ctxt(&saved, &exp->exp_obd->obd_lvfs_ctxt, NULL);
CDEBUG(rc == 0 ? D_INFO : D_ERROR,
static int filter_init_export(struct obd_export *exp)
{
int rc;
+ ENTRY;
+
cfs_spin_lock_init(&exp->exp_filter_data.fed_lock);
CFS_INIT_LIST_HEAD(&exp->exp_filter_data.fed_mod_list);
cfs_spin_lock(&exp->exp_lock);
exp->exp_connecting = 1;
cfs_spin_unlock(&exp->exp_lock);
+
+ /* self-export doesn't need client data and ldlm initialization */
+ if (unlikely(obd_uuid_equals(&exp->exp_obd->obd_uuid,
+ &exp->exp_client_uuid)))
+ RETURN(0);
+
rc = lut_client_alloc(exp);
if (rc == 0)
rc = ldlm_init_export(exp);
+ if (rc)
+ CERROR("%s: Can't initialize export: rc %d\n",
+ exp->exp_obd->obd_name, rc);
- return rc;
+ RETURN(rc);
}
static int filter_free_server_data(struct obd_device_target *obt)
exp->exp_connecting = 0;
exp->exp_in_recovery = 0;
cfs_spin_unlock(&exp->exp_lock);
- cfs_spin_lock_bh(&obd->obd_processing_task_lock);
obd->obd_max_recoverable_clients++;
- cfs_spin_unlock_bh(&obd->obd_processing_task_lock);
class_export_put(exp);
if (last_rcvd > le64_to_cpu(lsd->lsd_last_transno))
obd->obd_last_committed = le64_to_cpu(lsd->lsd_last_transno);
out:
- lut->lut_mount_count = mount_count + 1;
- lsd->lsd_mount_count = cpu_to_le64(lut->lut_mount_count);
+ obd->u.obt.obt_mount_count = mount_count + 1;
+ obd->u.obt.obt_instance = (__u32)obd->u.obt.obt_mount_count;
+ lsd->lsd_mount_count = cpu_to_le64(obd->u.obt.obt_mount_count);
/* save it, so mount count and last_transno is current */
rc = filter_update_server_data(obd);
struct filter_obd *filter = &obd->u.filter;
int old_count, group, rc = 0;
- cfs_down(&filter->fo_init_lock);
+ cfs_mutex_lock(&filter->fo_init_lock);
old_count = filter->fo_group_count;
for (group = old_count; group <= last_group; group++) {
rc = filter_read_group_internal(obd, group, create);
if (rc != 0)
break;
}
- cfs_up(&filter->fo_init_lock);
+ cfs_mutex_unlock(&filter->fo_init_lock);
return rc;
}
loff_t off = 0;
ENTRY;
- O_dentry = simple_mkdir(current->fs->pwd, obd->u.obt.obt_vfsmnt,
+ O_dentry = simple_mkdir(cfs_fs_pwd(current->fs), obd->u.obt.obt_vfsmnt,
"O", 0700, 1);
- CDEBUG(D_INODE, "got/created O: %p\n", O_dentry);
+ CDEBUG(D_INODE, "%s: got/created O: %p\n", obd->obd_name, O_dentry);
if (IS_ERR(O_dentry)) {
rc = PTR_ERR(O_dentry);
- CERROR("cannot open/create O: rc = %d\n", rc);
+ CERROR("%s: cannot open/create O: rc = %d\n", obd->obd_name,rc);
GOTO(cleanup, rc);
}
filter->fo_dentry_O = O_dentry;
* clients because they may send create/destroy for any group -bzzz */
filp = filp_open("LAST_GROUP", O_CREAT | O_RDWR, 0700);
if (IS_ERR(filp)) {
- CERROR("cannot create LAST_GROUP: rc = %ld\n", PTR_ERR(filp));
+ CERROR("%s: cannot create LAST_GROUP: rc = %ld\n",
+ obd->obd_name, PTR_ERR(filp));
GOTO(cleanup, rc = PTR_ERR(filp));
}
cleanup_phase = 2; /* filp */
rc = fsfilt_read_record(obd, filp, &last_group, sizeof(__u32), &off);
if (rc) {
- CDEBUG(D_INODE, "error reading LAST_GROUP: rc %d\n", rc);
+ CERROR("%s: error reading LAST_GROUP: rc %d\n",
+ obd->obd_name, rc);
GOTO(cleanup, rc);
}
if (off == 0)
last_group = FID_SEQ_OST_MDT0;
- CWARN("%s: initialize groups [%d,%d]\n", obd->obd_name,
- FID_SEQ_OST_MDT0, last_group);
+ CDEBUG(D_INODE, "%s: initialize group %u (max %u)\n", obd->obd_name,
+ FID_SEQ_OST_MDT0, last_group);
filter->fo_committed_group = last_group;
rc = filter_read_groups(obd, last_group, 1);
if (rc)
{
struct filter_obd *filter = &obd->u.filter;
struct filter_subdirs *subdirs;
- LASSERT(group < filter->fo_group_count); /* FIXME: object groups */
+
+ if (group >= filter->fo_group_count) /* FIXME: object groups */
+ return ERR_PTR(-EBADF);
if (!fid_seq_is_mdt(group) || filter->fo_subdir_count == 0)
return filter->fo_dentry_O_groups[group];
obd->u.filter.fo_destroys_in_progress == 0) {
/* don't fail lookups for orphan recovery, it causes
* later LBUGs when objects still exist during precreate */
- CDEBUG(D_INFO, "*** obd_fail_loc=%x ***\n",OBD_FAIL_OST_ENOENT);
+ CDEBUG(D_INFO, "*** cfs_fail_loc=%x ***\n",OBD_FAIL_OST_ENOENT);
RETURN(ERR_PTR(-ENOENT));
}
if (id == 0) {
}
CDEBUG(D_INODE, "looking up object O/%.*s/%s\n",
dparent->d_name.len, dparent->d_name.name, name);
- dchild = /*ll_*/lookup_one_len(name, dparent, len);
+ /* dparent is already locked here, so we cannot use ll_lookup_one_len() */
+ dchild = lookup_one_len(name, dparent, len);
if (dir_dentry == NULL)
filter_parent_unlock(dparent);
if (IS_ERR(dchild)) {
- CERROR("%s: child lookup error %ld\n", obd->obd_name,
- PTR_ERR(dchild));
+ CERROR("%s: object "LPU64":"LPU64" lookup error: rc %ld\n",
+ obd->obd_name, id, group, PTR_ERR(dchild));
RETURN(dchild);
}
GOTO(out, rc = -EPERM);
/* check_sticky() */
- if ((dentry->d_inode->i_uid != current->fsuid &&
+ if ((dentry->d_inode->i_uid != cfs_curproc_fsuid() &&
!cfs_capable(CFS_CAP_FOWNER)) || IS_APPEND(dentry->d_inode) ||
IS_IMMUTABLE(dentry->d_inode))
GOTO(out, rc = -EPERM);
- /* NOTE: This might need to go outside i_mutex, though it isn't clear if
- * that was done because of journal_start (which is already done
- * here) or some other ordering issue. */
- DQUOT_INIT(dir);
+ /* Locking order: i_mutex -> journal_lock -> dqptr_sem. LU-952 */
+ ll_vfs_dq_init(dir);
rc = ll_security_inode_unlink(dir, dentry, mnt);
if (rc)
struct inode *inode = dchild->d_inode;
int rc;
- if (inode->i_nlink != 1 || atomic_read(&inode->i_count) != 1) {
+ /* There should be 2 references to the inode:
+ * 1) taken by filter_prepare_destroy
+ * 2) taken by filter_destroy */
+ if (inode->i_nlink != 1 || atomic_read(&inode->i_count) != 2) {
CERROR("destroying objid %.*s ino %lu nlink %lu count %d\n",
dchild->d_name.len, dchild->d_name.name, inode->i_ino,
(unsigned long)inode->i_nlink,
struct ldlm_lock **lockp, void *req_cookie,
ldlm_mode_t mode, int flags, void *data)
{
- CFS_LIST_HEAD(rpc_list);
struct ptlrpc_request *req = req_cookie;
struct ldlm_lock *lock = *lockp, *l = NULL;
struct ldlm_resource *res = lock->l_resource;
* lock, and should not be granted if the lock will be blocked.
*/
- LASSERT(ns == res->lr_namespace);
- lock_res(res);
- rc = policy(lock, &tmpflags, 0, &err, &rpc_list);
- check_res_locked(res);
+ if (flags & LDLM_FL_BLOCK_NOWAIT) {
+ OBD_FAIL_TIMEOUT(OBD_FAIL_LDLM_AGL_DELAY, 5);
- /* FIXME: we should change the policy function slightly, to not make
- * this list at all, since we just turn around and free it */
- while (!cfs_list_empty(&rpc_list)) {
- struct ldlm_lock *wlock =
- cfs_list_entry(rpc_list.next, struct ldlm_lock,
- l_cp_ast);
- LASSERT((lock->l_flags & LDLM_FL_AST_SENT) == 0);
- LASSERT(lock->l_flags & LDLM_FL_CP_REQD);
- lock->l_flags &= ~LDLM_FL_CP_REQD;
- cfs_list_del_init(&wlock->l_cp_ast);
- LDLM_LOCK_RELEASE(wlock);
+ if (OBD_FAIL_CHECK(OBD_FAIL_LDLM_AGL_NOLOCK))
+ RETURN(ELDLM_LOCK_ABORTED);
}
+ LASSERT(ns == ldlm_res_to_ns(res));
+ lock_res(res);
+ rc = policy(lock, &tmpflags, 0, &err, NULL);
+ check_res_locked(res);
+
/* The lock met with no resistance; we're finished. */
if (rc == LDLM_ITER_CONTINUE) {
/* do not grant locks to the liblustre clients: they cannot
* handle ASTs robustly. We need to do this while still
- * holding ns_lock to avoid the lock remaining on the res_link
+ * holding lr_lock to avoid the lock remaining on the res_link
* list (and potentially being added to l_pending_list by an
* AST) when we are going to drop this lock ASAP. */
if (lock->l_export->exp_libclient ||
}
unlock_res(res);
RETURN(err);
+ } else if (flags & LDLM_FL_BLOCK_NOWAIT) {
+ /* LDLM_FL_BLOCK_NOWAIT means it is for AGL. Do not send glimpse
+ * callback for glimpse size. The real size user will trigger
+ * the glimpse callback when necessary. */
+ unlock_res(res);
+ RETURN(ELDLM_LOCK_ABORTED);
}
/* Do not grant any lock, but instead send GL callbacks. The extent
*reply_lvb = *res_lvb;
/*
- * ->ns_lock guarantees that no new locks are granted, and,
+ * lr_lock guarantees that no new locks are granted, and,
* therefore, that res->lr_lvb_data cannot increase beyond the
* end of already granted lock. As a result, it is safe to
* check against "stale" reply_lvb->lvb_size value without
- * res->lr_lvb_sem.
+ * res->lr_lvb_mutex.
*/
arg.size = reply_lvb->lvb_size;
arg.victim = &l;
LASSERTF(l->l_glimpse_ast != NULL, "l == %p", l);
rc = l->l_glimpse_ast(l, NULL); /* this will update the LVB */
- /* Update the LVB from disk if the AST failed (this is a legal race) */
- /*
- * XXX nikita: situation when ldlm_server_glimpse_ast() failed before
- * sending ast is not handled. This can result in lost client writes.
- */
- if (rc != 0)
- ldlm_res_lvbo_update(res, NULL, 1);
lock_res(res);
*reply_lvb = *res_lvb;
* at the OST layer there are only (potentially) multiple obd_device of type
* unknown at the time of OST thread creation.
*
- * Instead array of iobuf's is attached to struct filter_obd (->fo_iobuf_pool
- * field). This array has size OST_MAX_THREADS, so that each OST thread uses
- * it's very own iobuf.
+ * We create a cfs_hash for struct filter_obd (->fo_iobuf_hash field) on
+ * initializing, each OST thread will create it's own iobuf on the first
+ * access and insert it into ->fo_iobuf_hash with thread ID as key,
+ * so the iobuf can be found again by thread ID.
*
* Functions below
*
- * filter_kiobuf_pool_init()
+ * filter_iobuf_pool_init()
*
- * filter_kiobuf_pool_done()
+ * filter_iobuf_pool_done()
*
* filter_iobuf_get()
*
*/
static void filter_iobuf_pool_done(struct filter_obd *filter)
{
- struct filter_iobuf **pool;
- int i;
+ ENTRY;
- ENTRY;
-
- pool = filter->fo_iobuf_pool;
- if (pool != NULL) {
- for (i = 0; i < filter->fo_iobuf_count; ++ i) {
- if (pool[i] != NULL)
- filter_free_iobuf(pool[i]);
- }
- OBD_FREE(pool, filter->fo_iobuf_count * sizeof pool[0]);
- filter->fo_iobuf_pool = NULL;
- }
- EXIT;
+ if (filter->fo_iobuf_hash != NULL) {
+ cfs_hash_putref(filter->fo_iobuf_hash);
+ filter->fo_iobuf_hash = NULL;
+ }
+ EXIT;
}
static int filter_adapt_sptlrpc_conf(struct obd_device *obd, int initial)
return 0;
}
-/*
- * pre-allocate pool of iobuf's to be used by filter_{prep,commit}rw_write().
- */
-static int filter_iobuf_pool_init(struct filter_obd *filter)
+static unsigned
+filter_iobuf_hop_hash(cfs_hash_t *hs, const void *key, unsigned mask)
{
- void **pool;
+ __u64 val = *((__u64 *)key);
- ENTRY;
+ return cfs_hash_long(val, hs->hs_cur_bits);
+}
+static void *
+filter_iobuf_hop_key(cfs_hlist_node_t *hnode)
+{
+ struct filter_iobuf *pool;
- OBD_ALLOC_GFP(filter->fo_iobuf_pool, OSS_THREADS_MAX * sizeof(*pool),
- GFP_KERNEL);
- if (filter->fo_iobuf_pool == NULL)
- RETURN(-ENOMEM);
+ pool = cfs_hlist_entry(hnode, struct filter_iobuf, dr_hlist);
+ return &pool->dr_hkey;
+}
- filter->fo_iobuf_count = OSS_THREADS_MAX;
+static int
+filter_iobuf_hop_keycmp(const void *key, cfs_hlist_node_t *hnode)
+{
+ struct filter_iobuf *pool;
- RETURN(0);
+ pool = cfs_hlist_entry(hnode, struct filter_iobuf, dr_hlist);
+ return pool->dr_hkey == *((__u64 *)key);
}
-/* Return iobuf allocated for @thread_id. We don't know in advance how
- * many threads there will be so we allocate a large empty array and only
- * fill in those slots that are actually in use.
- * If we haven't allocated a pool entry for this thread before, do so now. */
-void *filter_iobuf_get(struct filter_obd *filter, struct obd_trans_info *oti)
+static void *
+filter_iobuf_hop_object(cfs_hlist_node_t *hnode)
{
- int thread_id = (oti && oti->oti_thread) ?
- oti->oti_thread->t_id : -1;
- struct filter_iobuf *pool = NULL;
- struct filter_iobuf **pool_place = NULL;
+ return cfs_hlist_entry(hnode, struct filter_iobuf, dr_hlist);
+}
- if (thread_id >= 0) {
- LASSERT(thread_id < filter->fo_iobuf_count);
- pool = *(pool_place = &filter->fo_iobuf_pool[thread_id]);
- }
+static void
+filter_iobuf_hop_get(cfs_hash_t *hs, cfs_hlist_node_t *hnode)
+{
+ /* dummy, required by cfs_hash */
+}
- if (unlikely(pool == NULL)) {
- pool = filter_alloc_iobuf(filter, OBD_BRW_WRITE,
- PTLRPC_MAX_BRW_PAGES);
- if (pool_place != NULL)
- *pool_place = pool;
- }
+static void
+filter_iobuf_hop_put_locked(cfs_hash_t *hs, cfs_hlist_node_t *hnode)
+{
+ /* dummy, required by cfs_hash */
+}
+
+static void
+filter_iobuf_hop_exit(cfs_hash_t *hs, cfs_hlist_node_t *hnode)
+{
+ struct filter_iobuf *pool;
+
+ pool = cfs_hlist_entry(hnode, struct filter_iobuf, dr_hlist);
+ filter_free_iobuf(pool);
+}
+
+static struct cfs_hash_ops filter_iobuf_hops = {
+ .hs_hash = filter_iobuf_hop_hash,
+ .hs_key = filter_iobuf_hop_key,
+ .hs_keycmp = filter_iobuf_hop_keycmp,
+ .hs_object = filter_iobuf_hop_object,
+ .hs_get = filter_iobuf_hop_get,
+ .hs_put_locked = filter_iobuf_hop_put_locked,
+ .hs_exit = filter_iobuf_hop_exit
+};
+
+#define FILTER_IOBUF_HASH_BITS 9
+#define FILTER_IOBUF_HBKT_BITS 4
+
+/*
+ * pre-allocate pool of iobuf's to be used by filter_{prep,commit}rw_write().
+ */
+static int filter_iobuf_pool_init(struct filter_obd *filter)
+{
+ filter->fo_iobuf_hash = cfs_hash_create("filter_iobuf",
+ FILTER_IOBUF_HASH_BITS,
+ FILTER_IOBUF_HASH_BITS,
+ FILTER_IOBUF_HBKT_BITS, 0,
+ CFS_HASH_MIN_THETA,
+ CFS_HASH_MAX_THETA,
+ &filter_iobuf_hops,
+ CFS_HASH_RW_BKTLOCK |
+ CFS_HASH_NO_ITEMREF);
+
+ return filter->fo_iobuf_hash != NULL ? 0 : -ENOMEM;
+}
- return pool;
+/* Return iobuf allocated for @thread_id.
+ * If we haven't allocated a pool entry for this thread before, do so now and
+ * insert it into fo_iobuf_hash, otherwise we can find it from fo_iobuf_hash */
+void *filter_iobuf_get(struct filter_obd *filter, struct obd_trans_info *oti)
+{
+ struct filter_iobuf *pool = NULL;
+ __u64 key = 0;
+ int thread_id;
+ int rc;
+
+ thread_id = (oti && oti->oti_thread) ? oti->oti_thread->t_id : -1;
+ if (thread_id >= 0) {
+ struct ptlrpc_service_part *svcpt;
+
+ svcpt = oti->oti_thread->t_svcpt;
+ LASSERT(svcpt != NULL);
+
+ key = (__u64)(svcpt->scp_cpt) << 32 | thread_id;
+ pool = cfs_hash_lookup(filter->fo_iobuf_hash, &key);
+ if (pool != NULL)
+ return pool;
+ }
+
+ pool = filter_alloc_iobuf(filter, OBD_BRW_WRITE, PTLRPC_MAX_BRW_PAGES);
+ if (pool == NULL)
+ return NULL;
+
+ if (thread_id >= 0) {
+ pool->dr_hkey = key;
+ rc = cfs_hash_add_unique(filter->fo_iobuf_hash,
+ &key, &pool->dr_hlist);
+ /* ptlrpc service thould guarantee thread ID is unique */
+ LASSERT(rc != -EALREADY);
+ }
+
+ return pool;
}
/* mount the file system (secretly). lustre_cfg parameters are:
{
struct filter_obd *filter = &obd->u.filter;
struct vfsmount *mnt;
+ struct file_system_type *type;
struct lustre_mount_info *lmi;
struct obd_uuid uuid;
__u8 *uuid_ptr;
char *str, *label;
char ns_name[48];
- request_queue_t *q;
+ struct request_queue *q;
int rc, i;
ENTRY;
struct lustre_sb_info *lsi = s2lsi(lmi->lmi_sb);
mnt = lmi->lmi_mnt;
obd->obd_fsops = fsfilt_get_ops(MT_STR(lsi->lsi_ldd));
-
- /* gets recovery timeouts from mount data */
- if (lsi->lsi_lmd && lsi->lsi_lmd->lmd_recovery_time_soft)
- obd->obd_recovery_timeout =
- lsi->lsi_lmd->lmd_recovery_time_soft;
- if (lsi->lsi_lmd && lsi->lsi_lmd->lmd_recovery_time_hard)
- obd->obd_recovery_time_hard =
- lsi->lsi_lmd->lmd_recovery_time_hard;
} else {
/* old path - used by lctl */
CERROR("Using old MDS mount method\n");
- mnt = ll_kern_mount(lustre_cfg_string(lcfg, 2),
- MS_NOATIME|MS_NODIRATIME,
- lustre_cfg_string(lcfg, 1), option);
+ type = get_fs_type(lustre_cfg_string(lcfg, 2));
+ if (!type) {
+ CERROR("get_fs_type failed\n");
+ RETURN(-ENODEV);
+ }
+ mnt = vfs_kern_mount(type, MS_NOATIME|MS_NODIRATIME,
+ lustre_cfg_string(lcfg, 1), option);
+ cfs_module_put(type->owner);
if (IS_ERR(mnt)) {
rc = PTR_ERR(mnt);
LCONSOLE_ERROR_MSG(0x135, "Can't mount disk %s (%d)\n",
/* failover is the default */
obd->obd_replayable = 1;
+ /* disable connection until configuration finishes */
+ obd->obd_no_conn = 1;
+
if (lcfg->lcfg_bufcount > 3 && LUSTRE_CFG_BUFLEN(lcfg, 3) > 0) {
str = lustre_cfg_string(lcfg, 3);
if (strchr(str, 'n')) {
}
}
+ obd->u.obt.obt_magic = OBT_MAGIC;
obd->u.obt.obt_vfsmnt = mnt;
obd->u.obt.obt_sb = mnt->mnt_sb;
filter->fo_fstype = mnt->mnt_sb->s_type->name;
CDEBUG(D_SUPER, "%s: mnt = %p\n", filter->fo_fstype, mnt);
- fsfilt_setup(obd, obd->u.obt.obt_sb);
+ rc = fsfilt_setup(obd, obd->u.obt.obt_sb);
+ if (rc)
+ GOTO(err_ops, rc);
OBD_SET_CTXT_MAGIC(&obd->obd_lvfs_ctxt);
obd->obd_lvfs_ctxt.pwdmnt = mnt;
obd->obd_lvfs_ctxt.fs = get_ds();
obd->obd_lvfs_ctxt.cb_ops = filter_lvfs_ops;
- cfs_init_mutex(&filter->fo_init_lock);
+ cfs_mutex_init(&filter->fo_init_lock);
filter->fo_committed_group = 0;
filter->fo_destroys_in_progress = 0;
for (i = 0; i < 32; i++)
- cfs_sema_init(&filter->fo_create_locks[i], 1);
+ cfs_mutex_init(&filter->fo_create_locks[i]);
cfs_spin_lock_init(&filter->fo_objidlock);
CFS_INIT_LIST_HEAD(&filter->fo_export_list);
- cfs_sema_init(&filter->fo_alloc_lock, 1);
+ cfs_mutex_init(&filter->fo_alloc_lock);
init_brw_stats(&filter->fo_filter_stats);
+ cfs_spin_lock_init(&filter->fo_flags_lock);
filter->fo_read_cache = 1; /* enable read-only cache by default */
filter->fo_writethrough_cache = 1; /* enable writethrough cache */
filter->fo_readcache_max_filesize = FILTER_MAX_CACHE_SIZE;
filter->fo_fmd_max_num = FILTER_FMD_MAX_NUM_DEFAULT;
filter->fo_fmd_max_age = FILTER_FMD_MAX_AGE_DEFAULT;
+ filter->fo_syncjournal = 0; /* Don't sync journals on i/o by default */
+ filter_slc_set(filter); /* initialize sync on lock cancel */
rc = filter_prep(obd);
if (rc)
GOTO(err_post, rc = -ENOMEM);
sprintf(ns_name, "filter-%s", obd->obd_uuid.uuid);
- obd->obd_namespace = ldlm_namespace_new(obd, ns_name, LDLM_NAMESPACE_SERVER,
- LDLM_NAMESPACE_GREEDY);
+ obd->obd_namespace = ldlm_namespace_new(obd, ns_name,
+ LDLM_NAMESPACE_SERVER,
+ LDLM_NAMESPACE_GREEDY,
+ LDLM_NS_TYPE_OST);
if (obd->obd_namespace == NULL)
GOTO(err_post, rc = -ENOMEM);
obd->obd_namespace->ns_lvbp = obd;
GOTO(err_post, rc);
q = bdev_get_queue(mnt->mnt_sb->s_bdev);
- if (q->max_sectors < q->max_hw_sectors &&
- q->max_sectors < PTLRPC_MAX_BRW_SIZE >> 9)
+ if (queue_max_sectors(q) < queue_max_hw_sectors(q) &&
+ queue_max_sectors(q) < PTLRPC_MAX_BRW_SIZE >> 9)
LCONSOLE_INFO("%s: underlying device %s should be tuned "
"for larger I/O requests: max_sectors = %u "
"could be up to max_hw_sectors=%u\n",
obd->obd_name, mnt->mnt_sb->s_id,
- q->max_sectors, q->max_hw_sectors);
+ queue_max_sectors(q), queue_max_hw_sectors(q));
uuid_ptr = fsfilt_uuid(obd, obd->u.obt.obt_sb);
if (uuid_ptr != NULL) {
lmi ? s2lsi(lmi->lmi_sb)->lsi_lmd->lmd_dev : "",
obd->obd_replayable ? "enabled" : "disabled");
- if (obd->obd_recovering)
- LCONSOLE_WARN("%s: Will be in recovery for at least %d:%.02d, "
- "or until %d client%s reconnect%s\n",
- obd->obd_name,
- obd->obd_recovery_timeout / 60,
- obd->obd_recovery_timeout % 60,
- obd->obd_max_recoverable_clients,
- (obd->obd_max_recoverable_clients == 1) ? "" : "s",
- (obd->obd_max_recoverable_clients == 1) ? "s": "");
-
-
RETURN(0);
err_post:
static int filter_setup(struct obd_device *obd, struct lustre_cfg* lcfg)
{
struct lprocfs_static_vars lvars;
+ cfs_proc_dir_entry_t *entry;
unsigned long addr;
struct page *page;
int rc;
+ ENTRY;
CLASSERT(offsetof(struct obd_device, u.obt) ==
offsetof(struct obd_device, u.filter.fo_obt));
if (!LUSTRE_CFG_BUFLEN(lcfg, 1) || !LUSTRE_CFG_BUFLEN(lcfg, 2))
RETURN(-EINVAL);
- /* 2.6.9 selinux wants a full option page for do_kern_mount (bug6471) */
- OBD_PAGE_ALLOC(page, CFS_ALLOC_STD);
- if (!page)
- RETURN(-ENOMEM);
- addr = (unsigned long)cfs_page_address(page);
- clear_page((void *)addr);
-
/* lprocfs must be setup before the filter so state can be safely added
* to /proc incrementally as the filter is setup */
lprocfs_filter_init_vars(&lvars);
- if (lprocfs_obd_setup(obd, lvars.obd_vars) == 0 &&
- lprocfs_alloc_obd_stats(obd, LPROC_FILTER_LAST) == 0) {
- /* Init obdfilter private stats here */
- lprocfs_counter_init(obd->obd_stats, LPROC_FILTER_READ_BYTES,
- LPROCFS_CNTR_AVGMINMAX,
- "read_bytes", "bytes");
- lprocfs_counter_init(obd->obd_stats, LPROC_FILTER_WRITE_BYTES,
- LPROCFS_CNTR_AVGMINMAX,
- "write_bytes", "bytes");
- lprocfs_counter_init(obd->obd_stats, LPROC_FILTER_GET_PAGE,
- LPROCFS_CNTR_AVGMINMAX|LPROCFS_CNTR_STDDEV,
- "get_page", "usec");
- lprocfs_counter_init(obd->obd_stats, LPROC_FILTER_NO_PAGE,
- LPROCFS_CNTR_AVGMINMAX,
- "get_page_failures", "num");
- lprocfs_counter_init(obd->obd_stats, LPROC_FILTER_CACHE_ACCESS,
- LPROCFS_CNTR_AVGMINMAX,
- "cache_access", "pages");
- lprocfs_counter_init(obd->obd_stats, LPROC_FILTER_CACHE_HIT,
- LPROCFS_CNTR_AVGMINMAX,
- "cache_hit", "pages");
- lprocfs_counter_init(obd->obd_stats, LPROC_FILTER_CACHE_MISS,
- LPROCFS_CNTR_AVGMINMAX,
- "cache_miss", "pages");
-
- lproc_filter_attach_seqstat(obd);
- obd->obd_proc_exports_entry = lprocfs_register("exports",
- obd->obd_proc_entry,
- NULL, NULL);
- if (IS_ERR(obd->obd_proc_exports_entry)) {
- rc = PTR_ERR(obd->obd_proc_exports_entry);
- CERROR("error %d setting up lprocfs for %s\n",
- rc, "exports");
- obd->obd_proc_exports_entry = NULL;
- }
+ rc = lprocfs_obd_setup(obd, lvars.obd_vars);
+ if (rc) {
+ CERROR("%s: lprocfs_obd_setup failed: %d.\n",
+ obd->obd_name, rc);
+ RETURN(rc);
}
- if (obd->obd_proc_exports_entry)
- lprocfs_add_simple(obd->obd_proc_exports_entry, "clear",
+
+ rc = lprocfs_alloc_obd_stats(obd, LPROC_FILTER_LAST);
+ if (rc) {
+ CERROR("%s: lprocfs_alloc_obd_stats failed: %d.\n",
+ obd->obd_name, rc);
+ GOTO(obd_cleanup, rc);
+ }
+
+ /* Init obdfilter private stats here */
+ lprocfs_counter_init(obd->obd_stats, LPROC_FILTER_READ_BYTES,
+ LPROCFS_CNTR_AVGMINMAX, "read_bytes", "bytes");
+ lprocfs_counter_init(obd->obd_stats, LPROC_FILTER_WRITE_BYTES,
+ LPROCFS_CNTR_AVGMINMAX, "write_bytes", "bytes");
+ lprocfs_counter_init(obd->obd_stats, LPROC_FILTER_GET_PAGE,
+ LPROCFS_CNTR_AVGMINMAX|LPROCFS_CNTR_STDDEV,
+ "get_page", "usec");
+ lprocfs_counter_init(obd->obd_stats, LPROC_FILTER_NO_PAGE,
+ LPROCFS_CNTR_AVGMINMAX, "get_page_failures", "num");
+ lprocfs_counter_init(obd->obd_stats, LPROC_FILTER_CACHE_ACCESS,
+ LPROCFS_CNTR_AVGMINMAX, "cache_access", "pages");
+ lprocfs_counter_init(obd->obd_stats, LPROC_FILTER_CACHE_HIT,
+ LPROCFS_CNTR_AVGMINMAX, "cache_hit", "pages");
+ lprocfs_counter_init(obd->obd_stats, LPROC_FILTER_CACHE_MISS,
+ LPROCFS_CNTR_AVGMINMAX, "cache_miss", "pages");
+
+ rc = lproc_filter_attach_seqstat(obd);
+ if (rc) {
+ CERROR("%s: create seqstat failed: %d.\n", obd->obd_name, rc);
+ GOTO(free_obd_stats, rc);
+ }
+
+ entry = lprocfs_register("exports", obd->obd_proc_entry, NULL, NULL);
+ if (IS_ERR(entry)) {
+ rc = PTR_ERR(entry);
+ CERROR("%s: error %d setting up lprocfs for %s\n",
+ obd->obd_name, rc, "exports");
+ GOTO(free_obd_stats, rc);
+ }
+ obd->obd_proc_exports_entry = entry;
+
+ entry = lprocfs_add_simple(obd->obd_proc_exports_entry, "clear",
lprocfs_nid_stats_clear_read,
lprocfs_nid_stats_clear_write, obd, NULL);
+ if (IS_ERR(entry)) {
+ rc = PTR_ERR(entry);
+ CERROR("%s: add proc entry 'clear' failed: %d.\n",
+ obd->obd_name, rc);
+ GOTO(free_obd_stats, rc);
+ }
+ rc = lprocfs_job_stats_init(obd, LPROC_FILTER_STATS_LAST,
+ filter_stats_counter_init);
+ if (rc)
+ GOTO(remove_entry_clear, rc);
+
+ /* 2.6.9 selinux wants a full option page for do_kern_mount (bug6471) */
+ OBD_PAGE_ALLOC(page, CFS_ALLOC_STD);
+ if (!page)
+ GOTO(job_stats_fini, rc = -ENOMEM);
+ addr = (unsigned long)cfs_page_address(page);
+ clear_page((void *)addr);
memcpy((void *)addr, lustre_cfg_buf(lcfg, 4),
LUSTRE_CFG_BUFLEN(lcfg, 4));
rc = filter_common_setup(obd, lcfg, (void *)addr);
OBD_PAGE_FREE(page);
-
if (rc) {
- lprocfs_remove_proc_entry("clear", obd->obd_proc_exports_entry);
- lprocfs_free_per_client_stats(obd);
- lprocfs_free_obd_stats(obd);
- lprocfs_obd_cleanup(obd);
+ CERROR("%s: filter_common_setup failed: %d.\n",
+ obd->obd_name, rc);
+ GOTO(job_stats_fini, rc);
}
+ RETURN(0);
+
+job_stats_fini:
+ lprocfs_job_stats_fini(obd);
+remove_entry_clear:
+ lprocfs_remove_proc_entry("clear", obd->obd_proc_exports_entry);
+free_obd_stats:
+ lprocfs_free_obd_stats(obd);
+obd_cleanup:
+ lprocfs_obd_cleanup(obd);
return rc;
}
* We actually do sync in disconnect time, but disconnect
* may not come being marked rq_no_resend = 1.
*/
- llog_sync(ctxt, NULL);
+ llog_sync(ctxt, NULL, OBD_LLOG_FL_EXIT);
/*
* Balance class_import_get() in llog_receptor_accept().
* This is safe to do, as llog is already synchronized
* and its import may go.
*/
- cfs_mutex_down(&ctxt->loc_sem);
+ cfs_mutex_lock(&ctxt->loc_mutex);
if (ctxt->loc_imp) {
class_import_put(ctxt->loc_imp);
ctxt->loc_imp = NULL;
}
- cfs_mutex_up(&ctxt->loc_sem);
+
+ if (filter->fo_lcm) {
+ llog_recov_thread_fini(filter->fo_lcm, obd->obd_force);
+ filter->fo_lcm = NULL;
+ }
+
+ cfs_mutex_unlock(&ctxt->loc_mutex);
llog_ctxt_put(ctxt);
}
- if (filter->fo_lcm) {
- cfs_mutex_down(&ctxt->loc_sem);
- llog_recov_thread_fini(filter->fo_lcm, obd->obd_force);
- filter->fo_lcm = NULL;
- cfs_mutex_up(&ctxt->loc_sem);
- }
RETURN(filter_olg_fini(&obd->obd_olg));
}
*/
struct obd_llog_group *filter_find_create_olg(struct obd_device *obd, int group)
{
- struct obd_llog_group *olg = NULL;
+ struct obd_llog_group *olg = NULL, *olg_new = NULL;
struct filter_obd *filter;
int rc;
if (group == FID_SEQ_LLOG)
RETURN(&obd->obd_olg);
+ OBD_ALLOC_PTR(olg_new);
+ if (olg_new == NULL)
+ RETURN(ERR_PTR(-ENOMEM));
+
cfs_spin_lock(&filter->fo_llog_list_lock);
olg = filter_find_olg_internal(filter, group);
if (olg) {
} else {
GOTO(out_unlock, olg);
}
+ } else {
+ /* set as the newly allocated one */
+ olg = olg_new;
+ olg_new = NULL;
}
- OBD_ALLOC_PTR(olg);
- if (olg == NULL)
- GOTO(out_unlock, olg = ERR_PTR(-ENOMEM));
llog_group_init(olg, group);
cfs_list_add(&olg->olg_list, &filter->fo_llog_list);
out_unlock:
cfs_spin_unlock(&filter->fo_llog_list_lock);
- GOTO(out, olg);
+ if (olg_new)
+ OBD_FREE_PTR(olg_new);
+ goto out;
}
static int filter_llog_connect(struct obd_export *exp,
LASSERTF(ctxt != NULL, "ctxt is not null, ctxt idx %d \n",
body->lgdc_ctxt_idx);
- CWARN("%s: Recovery from log "LPX64"/"LPX64":%x\n",
- obd->obd_name, body->lgdc_logid.lgl_oid,
- body->lgdc_logid.lgl_oseq, body->lgdc_logid.lgl_ogen);
+ CDEBUG(D_HA, "%s: Recovery from log "LPX64"/"LPX64":%x\n",
+ obd->obd_name, body->lgdc_logid.lgl_oid,
+ body->lgdc_logid.lgl_oseq, body->lgdc_logid.lgl_ogen);
- cfs_spin_lock_bh(&obd->obd_processing_task_lock);
+ cfs_spin_lock(&obd->u.filter.fo_flags_lock);
obd->u.filter.fo_mds_ost_sync = 1;
- cfs_spin_unlock_bh(&obd->obd_processing_task_lock);
+ cfs_spin_unlock(&obd->u.filter.fo_flags_lock);
rc = llog_connect(ctxt, &body->lgdc_logid,
&body->lgdc_gen, NULL);
llog_ctxt_put(ctxt);
case OBD_CLEANUP_EXPORTS:
/* Stop recovery before namespace cleanup. */
target_recovery_fini(obd);
+
+ obd_exports_barrier(obd);
+ obd_zombie_barrier();
+
rc = filter_llog_preclean(obd);
+ lprocfs_job_stats_fini(obd);
+ lprocfs_remove_proc_entry("clear", obd->obd_proc_exports_entry);
+ lprocfs_free_per_client_stats(obd);
+ lprocfs_obd_cleanup(obd);
+ lprocfs_free_obd_stats(obd);
+ lquota_cleanup(filter_quota_interface_ref, obd);
break;
}
RETURN(rc);
LCONSOLE_WARN("%s: shutting down for failover; client state "
"will be preserved.\n", obd->obd_name);
- obd_exports_barrier(obd);
- obd_zombie_barrier();
-
- lprocfs_remove_proc_entry("clear", obd->obd_proc_exports_entry);
- lprocfs_free_per_client_stats(obd);
- lprocfs_free_obd_stats(obd);
- lprocfs_obd_cleanup(obd);
- lquota_cleanup(filter_quota_interface_ref, obd);
-
ldlm_namespace_free(obd->obd_namespace, NULL, obd->obd_force);
obd->obd_namespace = NULL;
filter_post(obd);
- LL_DQUOT_OFF(obd->u.obt.obt_sb);
+ ll_vfs_dq_off(obd->u.obt.obt_sb, 0);
shrink_dcache_sb(obd->u.obt.obt_sb);
server_put_mount(obd->obd_name, obd->u.obt.obt_vfsmnt);
CWARN("!!! This export (nid %s) used object group %d "
"earlier; now it's trying to use group %d! This could "
"be a bug in the MDS. Please report to "
- "http://bugzilla.lustre.org/\n",
+ "http://bugs.whamcloud.com/\n",
obd_export_nid2str(exp), fed->fed_group,data->ocd_group);
RETURN(-EPROTO);
}
data->ocd_version = LUSTRE_VERSION_CODE;
/* Kindly make sure the SKIP_ORPHAN flag is from MDS. */
- if (!ergo(data->ocd_connect_flags & OBD_CONNECT_SKIP_ORPHAN,
- data->ocd_connect_flags & OBD_CONNECT_MDS))
+ if (data->ocd_connect_flags & OBD_CONNECT_MDS)
+ CDEBUG(D_HA, "%s: Received MDS connection for group %u\n",
+ exp->exp_obd->obd_name, data->ocd_group);
+ else if (data->ocd_connect_flags & OBD_CONNECT_SKIP_ORPHAN)
RETURN(-EPROTO);
if (exp->exp_connect_flags & OBD_CONNECT_GRANT) {
} else if (data->ocd_connect_flags & OBD_CONNECT_BRW_SIZE) {
data->ocd_brw_size = min(data->ocd_brw_size,
(__u32)(PTLRPC_MAX_BRW_PAGES << CFS_PAGE_SHIFT));
- LASSERT(data->ocd_brw_size);
+ if (data->ocd_brw_size == 0) {
+ CERROR("%s: cli %s/%p ocd_connect_flags: "LPX64
+ " ocd_version: %x ocd_grant: %d ocd_index: %u "
+ "ocd_brw_size is unexpectedly zero, "
+ "network data corruption?"
+ "Refusing connection of this client\n",
+ exp->exp_obd->obd_name,
+ exp->exp_client_uuid.uuid,
+ exp, data->ocd_connect_flags, data->ocd_version,
+ data->ocd_grant, data->ocd_index);
+ RETURN(-EPROTO);
+ }
}
if (data->ocd_connect_flags & OBD_CONNECT_CKSUM) {
/* The client set in ocd_cksum_types the checksum types it
* supports. We have to mask off the algorithms that we don't
* support */
- if (cksum_types & OBD_CKSUM_ALL)
- data->ocd_cksum_types &= OBD_CKSUM_ALL;
- else
- data->ocd_cksum_types = OBD_CKSUM_CRC32;
+ data->ocd_cksum_types &= cksum_types_supported_server();
+
+ /* 1.6.4 clients are not supported any more */
CDEBUG(D_RPCTRACE, "%s: cli %s supports cksum type %x, return "
"%x\n", exp->exp_obd->obd_name,
obd_export_nid2str(exp));
}
+ if (data->ocd_connect_flags & OBD_CONNECT_MAXBYTES)
+ data->ocd_maxbytes = exp->exp_obd->u.obt.obt_sb->s_maxbytes;
+
RETURN(0);
}
RETURN(rc);
}
-/* nearly identical to mds_connect */
static int filter_connect(const struct lu_env *env,
struct obd_export **exp, struct obd_device *obd,
struct obd_uuid *cluuid,
struct lvfs_run_ctxt saved;
struct lustre_handle conn = { 0 };
struct obd_export *lexp;
- __u32 group;
int rc;
ENTRY;
GOTO(cleanup, rc);
}
- group = data->ocd_group;
-
- CWARN("%s: Received MDS connection ("LPX64"); group %d\n",
- obd->obd_name, lexp->exp_handle.h_cookie, group);
-
push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- rc = filter_read_groups(obd, group, 1);
+ rc = filter_read_groups(obd, data->ocd_group, 1);
pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
if (rc != 0) {
- CERROR("can't read group %u\n", group);
+ CERROR("can't read group %u\n", data->ocd_group);
GOTO(cleanup, rc);
}
cleanup:
if (rc) {
class_disconnect(lexp);
- lprocfs_exp_cleanup(lexp);
*exp = NULL;
} else {
*exp = lexp;
lquota_clearinfo(filter_quota_interface_ref, exp, exp->exp_obd);
target_destroy_export(exp);
+
+ if (unlikely(obd_uuid_equals(&exp->exp_obd->obd_uuid,
+ &exp->exp_client_uuid)))
+ RETURN(0);
+
ldlm_destroy_export(exp);
lut_client_free(exp);
- if (obd_uuid_equals(&exp->exp_client_uuid, &exp->exp_obd->obd_uuid))
- RETURN(0);
-
if (!exp->exp_obd->obd_replayable)
fsfilt_sync(exp->exp_obd, exp->exp_obd->u.obt.obt_sb);
ctxt = llog_group_get_ctxt(olg_min,
LLOG_MDS_OST_REPL_CTXT);
if (ctxt) {
- err = llog_sync(ctxt, olg_min->olg_exp);
+ err = llog_sync(ctxt, olg_min->olg_exp, 0);
llog_ctxt_put(ctxt);
if (err) {
CERROR("error flushing logs to MDS: "
EXIT;
}
-static int filter_ping(struct obd_export *exp)
+static int filter_ping(const struct lu_env *env, struct obd_export *exp)
{
filter_fmd_expire(exp);
return 0;
RETURN(ERR_PTR(-ENOENT));
}
+#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2,7,50,0)
+ /* Try to correct for a bug in 2.1.0 (LU-221) that caused negative
+ * timestamps to appear to be in the far future, due old timestamp
+ * being stored on disk as an unsigned value. This fixes up any
+ * bad values stored on disk before returning them to the client,
+ * and ensures any timestamp updates are correct. LU-1042 */
+ if (unlikely(LTIME_S(dchild->d_inode->i_atime) == LU221_BAD_TIME))
+ LTIME_S(dchild->d_inode->i_atime) = 0;
+ if (unlikely(LTIME_S(dchild->d_inode->i_mtime) == LU221_BAD_TIME))
+ LTIME_S(dchild->d_inode->i_mtime) = 0;
+ if (unlikely(LTIME_S(dchild->d_inode->i_ctime) == LU221_BAD_TIME))
+ LTIME_S(dchild->d_inode->i_ctime) = 0;
+#else
+#warning "remove old LU-221/LU-1042 workaround code"
+#endif
+
return dchild;
}
-static int filter_getattr(struct obd_export *exp, struct obd_info *oinfo)
+static int filter_getattr(const struct lu_env *env, struct obd_export *exp,
+ struct obd_info *oinfo)
{
struct dentry *dentry = NULL;
struct obd_device *obd;
+ __u64 curr_version;
int rc = 0;
ENTRY;
/* Limit the valid bits in the return data to what we actually use */
oinfo->oi_oa->o_valid = OBD_MD_FLID;
- obdo_from_inode(oinfo->oi_oa, dentry->d_inode, NULL, FILTER_VALID_FLAGS);
+ obdo_from_inode(oinfo->oi_oa, dentry->d_inode, FILTER_VALID_FLAGS);
+
+ /* Store inode version in reply */
+ curr_version = fsfilt_get_version(exp->exp_obd, dentry->d_inode);
+ if ((__s64)curr_version != -EOPNOTSUPP) {
+ oinfo->oi_oa->o_valid |= OBD_MD_FLDATAVERSION;
+ oinfo->oi_oa->o_data_version = curr_version;
+ }
f_dput(dentry);
RETURN(rc);
*fcc = oa->o_lcookie;
}
if (ia_valid & (ATTR_SIZE | ATTR_UID | ATTR_GID)) {
- DQUOT_INIT(inode);
+ unsigned long now = jiffies;
/* Filter truncates and writes are serialized by
* i_alloc_sem, see the comment in
* filter_preprw_write.*/
if (ia_valid & ATTR_SIZE)
down_write(&inode->i_alloc_sem);
LOCK_INODE_MUTEX(inode);
+ fsfilt_check_slow(exp->exp_obd, now, "i_alloc_sem and i_mutex");
old_size = i_size_read(inode);
}
if (IS_ERR(handle))
GOTO(out_unlock, rc = PTR_ERR(handle));
}
+
+ /* Locking order: i_mutex -> journal_lock -> dqptr_sem. LU-952 */
+ if (ia_valid & (ATTR_SIZE | ATTR_UID | ATTR_GID))
+ ll_vfs_dq_init(inode);
+
if (oa->o_valid & OBD_MD_FLFLAGS) {
rc = fsfilt_iocontrol(exp->exp_obd, dentry,
FSFILT_IOC_SETFLAGS, (long)&oa->o_flags);
* we have two left for the last_rcvd and VBR inode version updates. */
err = fsfilt_extend(exp->exp_obd, inode, 2, handle);
- rc = filter_finish_transno(exp, inode, oti, rc, sync);
+ /* Update inode version only if data has changed => size has changed */
+ rc = filter_finish_transno(exp, ia_valid & ATTR_SIZE ? inode : NULL,
+ oti, rc, sync);
+
if (sync) {
filter_cancel_cookies_cb(exp->exp_obd, 0, fcc, rc);
fcc = NULL;
}
/* this is called from filter_truncate() until we have filter_punch() */
-int filter_setattr(struct obd_export *exp, struct obd_info *oinfo,
- struct obd_trans_info *oti)
+int filter_setattr(const struct lu_env *env, struct obd_export *exp,
+ struct obd_info *oinfo, struct obd_trans_info *oti)
{
struct obdo *oa = oinfo->oi_oa;
struct lustre_capa *capa = oinfo_capa(oinfo);
int rc;
ENTRY;
- if (oa->o_valid & OBD_FL_TRUNC)
+ if (oinfo->oi_flags & OBD_FL_PUNCH)
opc |= CAPA_OPC_OSS_TRUNC;
rc = filter_auth_capa(exp, NULL, oa->o_seq, capa, opc);
*/
if (oa->o_valid &
(OBD_MD_FLMTIME | OBD_MD_FLATIME | OBD_MD_FLCTIME)) {
+ unsigned long now = jiffies;
down_write(&dentry->d_inode->i_alloc_sem);
+ fsfilt_check_slow(exp->exp_obd, now, "i_alloc_sem");
fmd = filter_fmd_get(exp, oa->o_id, oa->o_seq);
if (fmd && fmd->fmd_mactime_xid < oti->oti_xid)
fmd->fmd_mactime_xid = oti->oti_xid;
oa->o_valid = OBD_MD_FLID;
/* Quota release need uid/gid info */
- obdo_from_inode(oa, dentry->d_inode, NULL,
+ obdo_from_inode(oa, dentry->d_inode,
FILTER_VALID_FLAGS | OBD_MD_FLUID | OBD_MD_FLGID);
+ filter_counter_incr(exp, LPROC_FILTER_STATS_SETATTR,
+ oti ? oti->oti_jobid : NULL, 1);
EXIT;
out_unlock:
f_dput(dentry);
LASSERT((*lsmp)->lsm_object_id);
}
- (*lsmp)->lsm_maxbytes = LUSTRE_STRIPE_MAXBYTES;
+ (*lsmp)->lsm_maxbytes = exp->exp_obd->u.obt.obt_sb->s_maxbytes;
RETURN(lsm_size);
}
int skip_orphan;
ENTRY;
- LASSERT(down_trylock(&filter->fo_create_locks[oa->o_seq]) != 0);
+ LASSERT_MUTEX_LOCKED(&filter->fo_create_locks[oa->o_seq]);
memset(&doa, 0, sizeof(doa));
for (id = last; id > oa->o_id; id--) {
doa.o_id = id;
- rc = filter_destroy(exp, &doa, NULL, NULL, NULL, NULL);
+ rc = filter_destroy(NULL, exp, &doa, NULL, NULL, NULL, NULL);
if (rc && rc != -ENOENT) /* this is pretty fatal... */
CEMERG("error destroying precreate objid "LPU64": %d\n",
id, rc);
filter_set_last_id(filter, id, doa.o_seq);
rc = filter_update_last_objid(exp->exp_obd, doa.o_seq, 1);
} else {
- /* don't reuse orphan object, return last used objid */
+ /*
+ * We have destroyed orphan objects, but don't want to reuse
+ * them. Therefore we don't reset last_id to the last created
+ * objects. Instead, we report back to the MDS the object id
+ * of the last orphan, so that the MDS can restart allocating
+ * objects from this id + 1 and thus skip the whole orphan
+ * object id range
+ */
oa->o_id = last;
rc = 0;
}
}
/* This causes inflight precreates to abort and drop lock */
cfs_set_bit(group, &filter->fo_destroys_in_progress);
- cfs_down(&filter->fo_create_locks[group]);
+ cfs_mutex_lock(&filter->fo_create_locks[group]);
if (!cfs_test_bit(group, &filter->fo_destroys_in_progress)) {
CERROR("%s:["LPU64"] destroys_in_progress already cleared\n",
exp->exp_obd->obd_name, group);
- cfs_up(&filter->fo_create_locks[group]);
+ cfs_mutex_unlock(&filter->fo_create_locks[group]);
RETURN(0);
}
diff = oa->o_id - last;
CDEBUG(D_HA, "filter_last_id() = "LPU64" -> diff = %d\n",
last, diff);
- if (-diff > OST_MAX_PRECREATE) {
+ if (-diff > (OST_MAX_PRECREATE * 3) / 2) {
CERROR("%s: ignoring bogus orphan destroy request: "
"obdid "LPU64" last_id "LPU64"\n", obd->obd_name,
oa->o_id, last);
cfs_clear_bit(group, &filter->fo_destroys_in_progress);
}
} else {
- cfs_down(&filter->fo_create_locks[group]);
+ cfs_mutex_lock(&filter->fo_create_locks[group]);
if (oti->oti_conn_cnt < exp->exp_conn_cnt) {
CERROR("%s: dropping old precreate request\n",
obd->obd_name);
rc = filter_precreate(obd, oa, group, &diff);
oa->o_id = filter_last_id(&obd->u.filter, group);
oa->o_seq = group;
- oa->o_valid = OBD_MD_FLID | OBD_MD_FLGROUP;
+ oa->o_valid |= (OBD_MD_FLID | OBD_MD_FLGROUP);
GOTO(out, rc);
}
/* else diff == 0 */
GOTO(out, rc = 0);
out:
- cfs_up(&filter->fo_create_locks[group]);
+ cfs_mutex_unlock(&filter->fo_create_locks[group]);
return rc;
}
-static int filter_statfs(struct obd_device *obd, struct obd_statfs *osfs,
- __u64 max_age, __u32 flags)
+static int filter_statfs(const struct lu_env *env, struct obd_export *exp,
+ struct obd_statfs *osfs, __u64 max_age, __u32 flags)
{
+ struct obd_device *obd = class_exp2obd(exp);
struct filter_obd *filter = &obd->u.filter;
int blockbits = obd->u.obt.obt_sb->s_blocksize_bits;
+ struct lr_server_data *lsd = class_server_data(obd);
int rc;
ENTRY;
((filter->fo_tot_dirty + filter->fo_tot_pending +
osfs->os_bsize - 1) >> blockbits));
- if (OBD_FAIL_CHECK(OBD_FAIL_OST_ENOSPC)) {
- struct lr_server_data *lsd = class_server_data(obd);
- int index = le32_to_cpu(lsd->lsd_ost_index);
+ if (OBD_FAIL_CHECK_VALUE(OBD_FAIL_OST_ENOSPC,
+ le32_to_cpu(lsd->lsd_ost_index)))
+ osfs->os_bfree = osfs->os_bavail = 2;
- if (obd_fail_val == -1 ||
- index == obd_fail_val)
- osfs->os_bfree = osfs->os_bavail = 2;
- else if (obd_fail_loc & OBD_FAIL_ONCE)
- obd_fail_loc &= ~OBD_FAILED; /* reset flag */
- }
+ if (OBD_FAIL_CHECK_VALUE(OBD_FAIL_OST_ENOINO,
+ le32_to_cpu(lsd->lsd_ost_index)))
+ osfs->os_ffree = 0;
/* set EROFS to state field if FS is mounted as RDONLY. The goal is to
* stop creating files on MDS if OST is not good shape to create
struct dentry *dchild = NULL, *dparent = NULL;
struct filter_obd *filter;
struct obd_statfs *osfs;
+ struct iattr iattr;
int err = 0, rc = 0, recreate_obj = 0, i;
cfs_time_t enough_time = cfs_time_shift(DISK_TIMEOUT/2);
__u64 os_ffree;
filter = &obd->u.filter;
- LASSERT(down_trylock(&filter->fo_create_locks[group]) != 0);
+ LASSERT_MUTEX_LOCKED(&filter->fo_create_locks[group]);
OBD_FAIL_TIMEOUT(OBD_FAIL_TGT_DELAY_PRECREATE, obd_timeout / 2);
OBD_ALLOC(osfs, sizeof(*osfs));
if (osfs == NULL)
RETURN(-ENOMEM);
- rc = filter_statfs(obd, osfs,
+ rc = filter_statfs(NULL, obd->obd_self_export, osfs,
cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
0);
if (rc == 0 && osfs->os_bavail < (osfs->os_blocks >> 10)) {
LPU64"\n", obd->obd_name, osfs->os_bavail <<
obd->u.obt.obt_vfsmnt->mnt_sb->s_blocksize_bits);
*num = 0;
+ if (oa->o_valid & OBD_MD_FLFLAGS)
+ oa->o_flags |= OBD_FL_NOSPC_BLK;
+ else {
+ oa->o_valid |= OBD_MD_FLFLAGS;
+ oa->o_flags = OBD_FL_NOSPC_BLK;
+ }
+
rc = -ENOSPC;
}
OBD_FREE(osfs, sizeof(*osfs));
} else
next_id = filter_last_id(filter, group) + 1;
- /* Temporary solution for oid in CMD before fid-on-OST */
- if ((fid_seq_is_mdt0(oa->o_seq) && next_id >= IDIF_MAX_OID) &&
- (fid_seq_is_cmd(oa->o_seq) && next_id >= OBIF_MAX_OID)) {
- CERROR("%s:"POSTID" hit the max IDIF_MAX_OID(1<<48)!\n",
+ /* Don't create objects beyond the valid range for this SEQ */
+ if (unlikely(fid_seq_is_mdt0(group) &&
+ next_id >= IDIF_MAX_OID)) {
+ CERROR("%s:"POSTID" hit the IDIF_MAX_OID (1<<48)!\n",
+ obd->obd_name, next_id, group);
+ GOTO(cleanup, rc = -ENOSPC);
+ } else if (unlikely(!fid_seq_is_mdt0(group) &&
+ next_id >= OBIF_MAX_OID)) {
+ CERROR("%s:"POSTID" hit the OBIF_MAX_OID (1<<32)!\n",
obd->obd_name, next_id, group);
GOTO(cleanup, rc = -ENOSPC);
}
} else {
/* Use these existing objects if they are
* zero length. */
- if (dchild->d_inode->i_size == 0) {
+ if (i_size_read(dchild->d_inode) == 0) {
rc = filter_use_existing_obj(obd,dchild,
&handle, &cleanup_phase);
if (rc == 0)
rc = ll_vfs_create(dparent->d_inode, dchild,
S_IFREG | S_ISUID | S_ISGID | 0666, NULL);
if (rc) {
- CERROR("create failed rc = %d\n", rc);
+ CWARN("%s: create failed: rc = %d\n", obd->obd_name,rc);
if (rc == -ENOSPC) {
os_ffree = filter_calc_free_inodes(obd);
- if (os_ffree != -1)
- CERROR("%s: free inode "LPU64"\n",
- obd->obd_name, os_ffree);
+ if (os_ffree == -1)
+ GOTO(cleanup, rc);
+
+ if (obd->obd_osfs.os_bavail <
+ (obd->obd_osfs.os_blocks >> 10)) {
+ if (oa->o_valid & OBD_MD_FLFLAGS) {
+ oa->o_flags |= OBD_FL_NOSPC_BLK;
+ } else {
+ oa->o_valid |= OBD_MD_FLFLAGS;
+ oa->o_flags = OBD_FL_NOSPC_BLK;
+ }
+
+ CWARN("%s: free inode "LPU64"\n",
+ obd->obd_name, os_ffree);
+ }
}
GOTO(cleanup, rc);
}
dchild->d_inode->i_ino);
set_last_id:
+ /* Initialize a/c/m time so any client timestamp will always
+ * be newer and update the inode. ctime = 0 is also handled
+ * specially in fsfilt_ext3_setattr(). See LU-221, LU-1042 */
+ iattr.ia_valid = ATTR_ATIME | ATTR_MTIME | ATTR_CTIME;
+ LTIME_S(iattr.ia_atime) = 0;
+ LTIME_S(iattr.ia_mtime) = 0;
+ LTIME_S(iattr.ia_ctime) = 0;
+ err = fsfilt_setattr(obd, dchild, handle, &iattr, 0);
+ if (err)
+ CWARN("%s: unable to initialize a/c/m time of newly "
+ "created object %.*s: rc = %d\n",
+ obd->obd_name, dchild->d_name.len,
+ dchild->d_name.name, err);
+
if (!recreate_obj) {
filter_set_last_id(filter, next_id, group);
err = filter_update_last_objid(obd, group, 0);
if (err)
- CERROR("unable to write lastobjid "
- "but file created\n");
+ CERROR("%s: unable to write lastobjid "
+ "but file created: rc = %d\n",
+ obd->obd_name, err);
}
cleanup:
if (rc)
break;
if (cfs_time_after(jiffies, enough_time)) {
+ i++;
CDEBUG(D_RPCTRACE,
"%s: precreate slow - want %d got %d \n",
obd->obd_name, *num, i);
RETURN(rc);
}
-static int filter_create(struct obd_export *exp, struct obdo *oa,
- struct lov_stripe_md **ea, struct obd_trans_info *oti)
+int filter_create(const struct lu_env *env, struct obd_export *exp,
+ struct obdo *oa, struct lov_stripe_md **ea,
+ struct obd_trans_info *oti)
{
struct obd_device *obd = exp->exp_obd;
struct filter_export_data *fed;
fed = &exp->exp_filter_data;
filter = &obd->u.filter;
- if (fed->fed_group != oa->o_seq) {
+ /* 1.8 client doesn't carry the ocd_group with connect request,
+ * so the fed_group will always be zero for 1.8 client. */
+ if (!(exp->exp_connect_flags & OBD_CONNECT_FULL20)) {
+ if (oa->o_seq != FID_SEQ_OST_MDT0 &&
+ oa->o_seq != FID_SEQ_LLOG &&
+ oa->o_seq != FID_SEQ_ECHO) {
+ CERROR("The request from older client has invalid"
+ " group "LPU64"!\n", oa->o_seq);
+ RETURN(-EINVAL);
+ }
+ } else if (fed->fed_group != oa->o_seq) {
CERROR("%s: this export (nid %s) used object group %d "
"earlier; now it's trying to use group "LPU64"!"
" This could be a bug in the MDS. Please report to "
if ((oa->o_valid & OBD_MD_FLFLAGS) &&
(oa->o_flags & OBD_FL_RECREATE_OBJS)) {
- if (oa->o_id > filter_last_id(filter, oa->o_seq)) {
+ if (!obd->obd_recovering ||
+ oa->o_id > filter_last_id(filter, oa->o_seq)) {
CERROR("recreate objid "LPU64" > last id "LPU64"\n",
oa->o_id, filter_last_id(filter, oa->o_seq));
rc = -EINVAL;
} else {
diff = 1;
- cfs_down(&filter->fo_create_locks[oa->o_seq]);
+ cfs_mutex_lock(&filter->fo_create_locks[oa->o_seq]);
rc = filter_precreate(obd, oa, oa->o_seq, &diff);
- cfs_up(&filter->fo_create_locks[oa->o_seq]);
+ cfs_mutex_unlock(&filter->fo_create_locks[oa->o_seq]);
}
} else {
rc = filter_handle_precreate(exp, oa, oa->o_seq, oti);
RETURN(rc);
}
-int filter_destroy(struct obd_export *exp, struct obdo *oa,
- struct lov_stripe_md *md, struct obd_trans_info *oti,
- struct obd_export *md_exp, void *capa)
+int filter_destroy(const struct lu_env *env, struct obd_export *exp,
+ struct obdo *oa, struct lov_stripe_md *md,
+ struct obd_trans_info *oti, struct obd_export *md_exp,
+ void *capa)
{
unsigned int qcids[MAXQUOTAS] = {0, 0};
struct obd_device *obd;
struct llog_cookie *fcc = NULL;
int rc, rc2, cleanup_phase = 0, sync = 0;
struct iattr iattr;
+ unsigned long now;
ENTRY;
rc = filter_auth_capa(exp, NULL, oa->o_seq,
if (fcc != NULL)
*fcc = oa->o_lcookie;
}
- DQUOT_INIT(dchild->d_inode);
/* we're gonna truncate it first in order to avoid possible deadlock:
* P1 P2
* between page lock, i_mutex & starting new journal handle.
* (see bug 20321) -johann
*/
+ now = jiffies;
down_write(&dchild->d_inode->i_alloc_sem);
LOCK_INODE_MUTEX(dchild->d_inode);
+ fsfilt_check_slow(exp->exp_obd, now, "i_alloc_sem and i_mutex");
/* VBR: version recovery check */
rc = filter_version_get_check(exp, oti, dchild->d_inode);
GOTO(cleanup, rc = PTR_ERR(handle));
}
+ /* Locking order: i_mutex -> journal_lock -> dqptr_sem. LU-952 */
+ ll_vfs_dq_init(dchild->d_inode);
+
iattr.ia_valid = ATTR_SIZE;
iattr.ia_size = 0;
rc = fsfilt_setattr(obd, dchild, handle, &iattr, 1);
cleanup_phase = 4; /* fsfilt_commit */
/* Quota release need uid/gid of inode */
- obdo_from_inode(oa, dchild->d_inode, NULL, OBD_MD_FLUID|OBD_MD_FLGID);
+ obdo_from_inode(oa, dchild->d_inode, OBD_MD_FLUID | OBD_MD_FLGID);
filter_fmd_drop(exp, oa->o_id, oa->o_seq);
}
/* NB start and end are used for punch, but not truncate */
-static int filter_truncate(struct obd_export *exp, struct obd_info *oinfo,
- struct obd_trans_info *oti,
+static int filter_truncate(const struct lu_env *env, struct obd_export *exp,
+ struct obd_info *oinfo, struct obd_trans_info *oti,
struct ptlrpc_request_set *rqset)
{
int rc;
oinfo->oi_policy.l_extent.start);
oinfo->oi_oa->o_size = oinfo->oi_policy.l_extent.start;
- oinfo->oi_oa->o_valid |= OBD_FL_TRUNC;
- rc = filter_setattr(exp, oinfo, oti);
- oinfo->oi_oa->o_valid &= ~OBD_FL_TRUNC;
+ rc = filter_setattr(env, exp, oinfo, oti);
RETURN(rc);
}
-static int filter_sync(struct obd_export *exp, struct obdo *oa,
- struct lov_stripe_md *lsm, obd_off start, obd_off end,
- void *capa)
+static int filter_sync(const struct lu_env *env, struct obd_export *exp,
+ struct obd_info *oinfo, obd_off start, obd_off end,
+ struct ptlrpc_request_set *set)
{
struct lvfs_run_ctxt saved;
struct obd_device_target *obt;
int rc, rc2;
ENTRY;
- rc = filter_auth_capa(exp, NULL, oa->o_seq,
- (struct lustre_capa *)capa, CAPA_OPC_OSS_WRITE);
+ rc = filter_auth_capa(exp, NULL, oinfo->oi_oa->o_seq,
+ (struct lustre_capa *)oinfo->oi_capa,
+ CAPA_OPC_OSS_WRITE);
if (rc)
RETURN(rc);
obt = &exp->exp_obd->u.obt;
/* An objid of zero is taken to mean "sync whole filesystem" */
- if (!oa || !(oa->o_valid & OBD_MD_FLID)) {
+ if (!oinfo->oi_oa || !(oinfo->oi_oa->o_valid & OBD_MD_FLID)) {
rc = fsfilt_sync(exp->exp_obd, obt->obt_sb);
/* Flush any remaining cancel messages out to the target */
filter_sync_llogs(exp->exp_obd, exp);
RETURN(rc);
}
- dentry = filter_oa2dentry(exp->exp_obd, &oa->o_oi);
+ dentry = filter_oa2dentry(exp->exp_obd, &oinfo->oi_oa->o_oi);
if (IS_ERR(dentry))
RETURN(PTR_ERR(dentry));
}
UNLOCK_INODE_MUTEX(dentry->d_inode);
- oa->o_valid = OBD_MD_FLID;
- obdo_from_inode(oa, dentry->d_inode, NULL, FILTER_VALID_FLAGS);
+ oinfo->oi_oa->o_valid = OBD_MD_FLID;
+ obdo_from_inode(oinfo->oi_oa, dentry->d_inode, FILTER_VALID_FLAGS);
pop_ctxt(&saved, &exp->exp_obd->obd_lvfs_ctxt, NULL);
+ filter_counter_incr(exp, LPROC_FILTER_STATS_SYNC, oinfo->oi_jobid, 1);
f_dput(dentry);
RETURN(rc);
}
-static int filter_get_info(struct obd_export *exp, __u32 keylen,
- void *key, __u32 *vallen, void *val,
+static int filter_get_info(const struct lu_env *env, struct obd_export *exp,
+ __u32 keylen, void *key, __u32 *vallen, void *val,
struct lov_stripe_md *lsm)
{
struct obd_device *obd;
RETURN(rc);
}
+ if (KEY_IS(KEY_SYNC_LOCK_CANCEL)) {
+ *((__u32 *) val) = obd->u.filter.fo_sync_lock_cancel;
+ *vallen = sizeof(__u32);
+ RETURN(0);
+ }
+
CDEBUG(D_IOCTL, "invalid key\n");
RETURN(-EINVAL);
}
RETURN(rc);
}
-static int filter_set_info_async(struct obd_export *exp, __u32 keylen,
+static int filter_set_info_async(const struct lu_env *env,
+ struct obd_export *exp, __u32 keylen,
void *key, __u32 vallen, void *val,
struct ptlrpc_request_set *set)
{
CDEBUG(D_HA, "syncing ost %s\n", obd->obd_name);
rc = fsfilt_sync(obd, obd->u.obt.obt_sb);
- lvfs_set_rdonly(obd, obd->u.obt.obt_sb);
- RETURN(0);
+ rc = lvfs_set_rdonly(obd, obd->u.obt.obt_sb);
+ RETURN(rc);
}
case OBD_IOC_CATLOGLIST: {
RETURN(0);
}
-static int filter_health_check(struct obd_device *obd)
+static int filter_health_check(const struct lu_env *env, struct obd_device *obd)
{
#ifdef USE_HEALTH_CHECK_WRITE
struct filter_obd *filter = &obd->u.filter;
return rc;
}
+static int filter_notify(struct obd_device *obd,
+ struct obd_device *unused,
+ enum obd_notify_event ev, void *data)
+{
+ switch (ev) {
+ case OBD_NOTIFY_CONFIG:
+ LASSERT(obd->obd_no_conn);
+ cfs_spin_lock(&obd->obd_dev_lock);
+ obd->obd_no_conn = 0;
+ cfs_spin_unlock(&obd->obd_dev_lock);
+ break;
+ default:
+ CDEBUG(D_INFO, "%s: Unhandled notification %#x\n",
+ obd->obd_name, ev);
+ }
+ return 0;
+}
+
static struct lvfs_callback_ops filter_lvfs_ops = {
l_fid2dentry: filter_lvfs_fid2dentry,
};
.o_create = filter_create,
.o_setattr = filter_setattr,
.o_destroy = filter_destroy,
- .o_brw = filter_brw,
.o_punch = filter_truncate,
.o_sync = filter_sync,
.o_preprw = filter_preprw,
.o_iocontrol = filter_iocontrol,
.o_health_check = filter_health_check,
.o_process_config = filter_process_config,
+ .o_notify = filter_notify,
};
quota_interface_t *filter_quota_interface_ref;
git://git.whamcloud.com / fs / lustre-release.git / blobdiff