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-rw-r--r--fs/ocfs2/alloc.c37
-rw-r--r--fs/ocfs2/alloc.h2
-rw-r--r--fs/ocfs2/aops.c37
-rw-r--r--fs/ocfs2/dlm/dlmcommon.h2
-rw-r--r--fs/ocfs2/dlm/dlmdomain.c4
-rw-r--r--fs/ocfs2/dlm/dlmmaster.c53
-rw-r--r--fs/ocfs2/dlm/dlmrecovery.c29
-rw-r--r--fs/ocfs2/dlm/dlmthread.c57
-rw-r--r--fs/ocfs2/dlmfs/dlmfs.c4
-rw-r--r--fs/ocfs2/dlmfs/userdlm.c2
-rw-r--r--fs/ocfs2/dlmfs/userdlm.h2
-rw-r--r--fs/ocfs2/stack_user.c11
-rw-r--r--fs/ocfs2/suballoc.c20
13 files changed, 167 insertions, 93 deletions
diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index 460c0cedab3a..7dabbc31060e 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -6106,6 +6106,43 @@ void ocfs2_schedule_truncate_log_flush(struct ocfs2_super *osb,
}
}
+/*
+ * Try to flush truncate logs if we can free enough clusters from it.
+ * As for return value, "< 0" means error, "0" no space and "1" means
+ * we have freed enough spaces and let the caller try to allocate again.
+ */
+int ocfs2_try_to_free_truncate_log(struct ocfs2_super *osb,
+ unsigned int needed)
+{
+ tid_t target;
+ int ret = 0;
+ unsigned int truncated_clusters;
+
+ inode_lock(osb->osb_tl_inode);
+ truncated_clusters = osb->truncated_clusters;
+ inode_unlock(osb->osb_tl_inode);
+
+ /*
+ * Check whether we can succeed in allocating if we free
+ * the truncate log.
+ */
+ if (truncated_clusters < needed)
+ goto out;
+
+ ret = ocfs2_flush_truncate_log(osb);
+ if (ret) {
+ mlog_errno(ret);
+ goto out;
+ }
+
+ if (jbd2_journal_start_commit(osb->journal->j_journal, &target)) {
+ jbd2_log_wait_commit(osb->journal->j_journal, target);
+ ret = 1;
+ }
+out:
+ return ret;
+}
+
static int ocfs2_get_truncate_log_info(struct ocfs2_super *osb,
int slot_num,
struct inode **tl_inode,
diff --git a/fs/ocfs2/alloc.h b/fs/ocfs2/alloc.h
index f3dc1b0dfffc..4a5152ec88a3 100644
--- a/fs/ocfs2/alloc.h
+++ b/fs/ocfs2/alloc.h
@@ -188,6 +188,8 @@ int ocfs2_truncate_log_append(struct ocfs2_super *osb,
u64 start_blk,
unsigned int num_clusters);
int __ocfs2_flush_truncate_log(struct ocfs2_super *osb);
+int ocfs2_try_to_free_truncate_log(struct ocfs2_super *osb,
+ unsigned int needed);
/*
* Process local structure which describes the block unlinks done
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index af2adfcb0f6f..98d36548153d 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -1645,43 +1645,6 @@ static int ocfs2_zero_tail(struct inode *inode, struct buffer_head *di_bh,
return ret;
}
-/*
- * Try to flush truncate logs if we can free enough clusters from it.
- * As for return value, "< 0" means error, "0" no space and "1" means
- * we have freed enough spaces and let the caller try to allocate again.
- */
-static int ocfs2_try_to_free_truncate_log(struct ocfs2_super *osb,
- unsigned int needed)
-{
- tid_t target;
- int ret = 0;
- unsigned int truncated_clusters;
-
- inode_lock(osb->osb_tl_inode);
- truncated_clusters = osb->truncated_clusters;
- inode_unlock(osb->osb_tl_inode);
-
- /*
- * Check whether we can succeed in allocating if we free
- * the truncate log.
- */
- if (truncated_clusters < needed)
- goto out;
-
- ret = ocfs2_flush_truncate_log(osb);
- if (ret) {
- mlog_errno(ret);
- goto out;
- }
-
- if (jbd2_journal_start_commit(osb->journal->j_journal, &target)) {
- jbd2_log_wait_commit(osb->journal->j_journal, target);
- ret = 1;
- }
-out:
- return ret;
-}
-
int ocfs2_write_begin_nolock(struct address_space *mapping,
loff_t pos, unsigned len, ocfs2_write_type_t type,
struct page **pagep, void **fsdata,
diff --git a/fs/ocfs2/dlm/dlmcommon.h b/fs/ocfs2/dlm/dlmcommon.h
index 8107d0d0c3f6..e9f3705c4c9f 100644
--- a/fs/ocfs2/dlm/dlmcommon.h
+++ b/fs/ocfs2/dlm/dlmcommon.h
@@ -1004,6 +1004,8 @@ int dlm_finalize_reco_handler(struct o2net_msg *msg, u32 len, void *data,
int dlm_do_master_requery(struct dlm_ctxt *dlm, struct dlm_lock_resource *res,
u8 nodenum, u8 *real_master);
+void __dlm_do_purge_lockres(struct dlm_ctxt *dlm,
+ struct dlm_lock_resource *res);
int dlm_dispatch_assert_master(struct dlm_ctxt *dlm,
struct dlm_lock_resource *res,
diff --git a/fs/ocfs2/dlm/dlmdomain.c b/fs/ocfs2/dlm/dlmdomain.c
index 12e064b8be9a..533bd524e41e 100644
--- a/fs/ocfs2/dlm/dlmdomain.c
+++ b/fs/ocfs2/dlm/dlmdomain.c
@@ -172,12 +172,10 @@ void __dlm_unhash_lockres(struct dlm_ctxt *dlm, struct dlm_lock_resource *res)
void __dlm_insert_lockres(struct dlm_ctxt *dlm, struct dlm_lock_resource *res)
{
struct hlist_head *bucket;
- struct qstr *q;
assert_spin_locked(&dlm->spinlock);
- q = &res->lockname;
- bucket = dlm_lockres_hash(dlm, q->hash);
+ bucket = dlm_lockres_hash(dlm, res->lockname.hash);
/* get a reference for our hashtable */
dlm_lockres_get(res);
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index 13719d3f35f8..6ea06f8a7d29 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -2276,9 +2276,12 @@ int dlm_drop_lockres_ref(struct dlm_ctxt *dlm, struct dlm_lock_resource *res)
mlog(ML_ERROR, "%s: res %.*s, DEREF to node %u got %d\n",
dlm->name, namelen, lockname, res->owner, r);
dlm_print_one_lock_resource(res);
- BUG();
- }
- return ret ? ret : r;
+ if (r == -ENOMEM)
+ BUG();
+ } else
+ ret = r;
+
+ return ret;
}
int dlm_deref_lockres_handler(struct o2net_msg *msg, u32 len, void *data,
@@ -2416,48 +2419,26 @@ int dlm_deref_lockres_done_handler(struct o2net_msg *msg, u32 len, void *data,
}
spin_lock(&res->spinlock);
- BUG_ON(!(res->state & DLM_LOCK_RES_DROPPING_REF));
- if (!list_empty(&res->purge)) {
- mlog(0, "%s: Removing res %.*s from purgelist\n",
- dlm->name, res->lockname.len, res->lockname.name);
- list_del_init(&res->purge);
- dlm_lockres_put(res);
- dlm->purge_count--;
- }
-
- if (!__dlm_lockres_unused(res)) {
- mlog(ML_ERROR, "%s: res %.*s in use after deref\n",
- dlm->name, res->lockname.len, res->lockname.name);
- __dlm_print_one_lock_resource(res);
- BUG();
- }
-
- __dlm_unhash_lockres(dlm, res);
-
- spin_lock(&dlm->track_lock);
- if (!list_empty(&res->tracking))
- list_del_init(&res->tracking);
- else {
- mlog(ML_ERROR, "%s: Resource %.*s not on the Tracking list\n",
- dlm->name, res->lockname.len, res->lockname.name);
- __dlm_print_one_lock_resource(res);
+ if (!(res->state & DLM_LOCK_RES_DROPPING_REF)) {
+ spin_unlock(&res->spinlock);
+ spin_unlock(&dlm->spinlock);
+ mlog(ML_NOTICE, "%s:%.*s: node %u sends deref done "
+ "but it is already derefed!\n", dlm->name,
+ res->lockname.len, res->lockname.name, node);
+ ret = 0;
+ goto done;
}
- spin_unlock(&dlm->track_lock);
- /* lockres is not in the hash now. drop the flag and wake up
- * any processes waiting in dlm_get_lock_resource.
- */
- res->state &= ~DLM_LOCK_RES_DROPPING_REF;
+ __dlm_do_purge_lockres(dlm, res);
spin_unlock(&res->spinlock);
wake_up(&res->wq);
- dlm_lockres_put(res);
-
spin_unlock(&dlm->spinlock);
ret = 0;
-
done:
+ if (res)
+ dlm_lockres_put(res);
dlm_put(dlm);
return ret;
}
diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c
index f6b313898763..dd5cb8bcefd1 100644
--- a/fs/ocfs2/dlm/dlmrecovery.c
+++ b/fs/ocfs2/dlm/dlmrecovery.c
@@ -2343,6 +2343,7 @@ static void dlm_do_local_recovery_cleanup(struct dlm_ctxt *dlm, u8 dead_node)
struct dlm_lock_resource *res;
int i;
struct hlist_head *bucket;
+ struct hlist_node *tmp;
struct dlm_lock *lock;
@@ -2365,7 +2366,7 @@ static void dlm_do_local_recovery_cleanup(struct dlm_ctxt *dlm, u8 dead_node)
*/
for (i = 0; i < DLM_HASH_BUCKETS; i++) {
bucket = dlm_lockres_hash(dlm, i);
- hlist_for_each_entry(res, bucket, hash_node) {
+ hlist_for_each_entry_safe(res, tmp, bucket, hash_node) {
/* always prune any $RECOVERY entries for dead nodes,
* otherwise hangs can occur during later recovery */
if (dlm_is_recovery_lock(res->lockname.name,
@@ -2386,8 +2387,17 @@ static void dlm_do_local_recovery_cleanup(struct dlm_ctxt *dlm, u8 dead_node)
break;
}
}
- dlm_lockres_clear_refmap_bit(dlm, res,
- dead_node);
+
+ if ((res->owner == dead_node) &&
+ (res->state & DLM_LOCK_RES_DROPPING_REF)) {
+ dlm_lockres_get(res);
+ __dlm_do_purge_lockres(dlm, res);
+ spin_unlock(&res->spinlock);
+ wake_up(&res->wq);
+ dlm_lockres_put(res);
+ continue;
+ } else if (res->owner == dlm->node_num)
+ dlm_lockres_clear_refmap_bit(dlm, res, dead_node);
spin_unlock(&res->spinlock);
continue;
}
@@ -2398,14 +2408,17 @@ static void dlm_do_local_recovery_cleanup(struct dlm_ctxt *dlm, u8 dead_node)
if (res->state & DLM_LOCK_RES_DROPPING_REF) {
mlog(0, "%s:%.*s: owned by "
"dead node %u, this node was "
- "dropping its ref when it died. "
- "continue, dropping the flag.\n",
+ "dropping its ref when master died. "
+ "continue, purging the lockres.\n",
dlm->name, res->lockname.len,
res->lockname.name, dead_node);
+ dlm_lockres_get(res);
+ __dlm_do_purge_lockres(dlm, res);
+ spin_unlock(&res->spinlock);
+ wake_up(&res->wq);
+ dlm_lockres_put(res);
+ continue;
}
- res->state &= ~DLM_LOCK_RES_DROPPING_REF;
- dlm_move_lockres_to_recovery_list(dlm,
- res);
} else if (res->owner == dlm->node_num) {
dlm_free_dead_locks(dlm, res, dead_node);
__dlm_lockres_calc_usage(dlm, res);
diff --git a/fs/ocfs2/dlm/dlmthread.c b/fs/ocfs2/dlm/dlmthread.c
index 68d239ba0c63..838a06d4066a 100644
--- a/fs/ocfs2/dlm/dlmthread.c
+++ b/fs/ocfs2/dlm/dlmthread.c
@@ -160,6 +160,52 @@ void dlm_lockres_calc_usage(struct dlm_ctxt *dlm,
spin_unlock(&dlm->spinlock);
}
+/*
+ * Do the real purge work:
+ * unhash the lockres, and
+ * clear flag DLM_LOCK_RES_DROPPING_REF.
+ * It requires dlm and lockres spinlock to be taken.
+ */
+void __dlm_do_purge_lockres(struct dlm_ctxt *dlm,
+ struct dlm_lock_resource *res)
+{
+ assert_spin_locked(&dlm->spinlock);
+ assert_spin_locked(&res->spinlock);
+
+ if (!list_empty(&res->purge)) {
+ mlog(0, "%s: Removing res %.*s from purgelist\n",
+ dlm->name, res->lockname.len, res->lockname.name);
+ list_del_init(&res->purge);
+ dlm_lockres_put(res);
+ dlm->purge_count--;
+ }
+
+ if (!__dlm_lockres_unused(res)) {
+ mlog(ML_ERROR, "%s: res %.*s in use after deref\n",
+ dlm->name, res->lockname.len, res->lockname.name);
+ __dlm_print_one_lock_resource(res);
+ BUG();
+ }
+
+ __dlm_unhash_lockres(dlm, res);
+
+ spin_lock(&dlm->track_lock);
+ if (!list_empty(&res->tracking))
+ list_del_init(&res->tracking);
+ else {
+ mlog(ML_ERROR, "%s: Resource %.*s not on the Tracking list\n",
+ dlm->name, res->lockname.len, res->lockname.name);
+ __dlm_print_one_lock_resource(res);
+ }
+ spin_unlock(&dlm->track_lock);
+
+ /*
+ * lockres is not in the hash now. drop the flag and wake up
+ * any processes waiting in dlm_get_lock_resource.
+ */
+ res->state &= ~DLM_LOCK_RES_DROPPING_REF;
+}
+
static void dlm_purge_lockres(struct dlm_ctxt *dlm,
struct dlm_lock_resource *res)
{
@@ -175,6 +221,13 @@ static void dlm_purge_lockres(struct dlm_ctxt *dlm,
res->lockname.len, res->lockname.name, master);
if (!master) {
+ if (res->state & DLM_LOCK_RES_DROPPING_REF) {
+ mlog(ML_NOTICE, "%s: res %.*s already in DLM_LOCK_RES_DROPPING_REF state\n",
+ dlm->name, res->lockname.len, res->lockname.name);
+ spin_unlock(&res->spinlock);
+ return;
+ }
+
res->state |= DLM_LOCK_RES_DROPPING_REF;
/* drop spinlock... retake below */
spin_unlock(&res->spinlock);
@@ -203,8 +256,8 @@ static void dlm_purge_lockres(struct dlm_ctxt *dlm,
dlm->purge_count--;
}
- if (!master && ret != 0) {
- mlog(0, "%s: deref %.*s in progress or master goes down\n",
+ if (!master && ret == DLM_DEREF_RESPONSE_INPROG) {
+ mlog(0, "%s: deref %.*s in progress\n",
dlm->name, res->lockname.len, res->lockname.name);
spin_unlock(&res->spinlock);
return;
diff --git a/fs/ocfs2/dlmfs/dlmfs.c b/fs/ocfs2/dlmfs/dlmfs.c
index 47b3b2d4e775..ef474cdd6404 100644
--- a/fs/ocfs2/dlmfs/dlmfs.c
+++ b/fs/ocfs2/dlmfs/dlmfs.c
@@ -469,7 +469,7 @@ static int dlmfs_mkdir(struct inode * dir,
{
int status;
struct inode *inode = NULL;
- struct qstr *domain = &dentry->d_name;
+ const struct qstr *domain = &dentry->d_name;
struct dlmfs_inode_private *ip;
struct ocfs2_cluster_connection *conn;
@@ -518,7 +518,7 @@ static int dlmfs_create(struct inode *dir,
{
int status = 0;
struct inode *inode;
- struct qstr *name = &dentry->d_name;
+ const struct qstr *name = &dentry->d_name;
mlog(0, "create %.*s\n", name->len, name->name);
diff --git a/fs/ocfs2/dlmfs/userdlm.c b/fs/ocfs2/dlmfs/userdlm.c
index 0499e3fb7bdb..f70cda2f090d 100644
--- a/fs/ocfs2/dlmfs/userdlm.c
+++ b/fs/ocfs2/dlmfs/userdlm.c
@@ -667,7 +667,7 @@ void user_dlm_set_locking_protocol(void)
ocfs2_stack_glue_set_max_proto_version(&user_dlm_lproto.lp_max_version);
}
-struct ocfs2_cluster_connection *user_dlm_register(struct qstr *name)
+struct ocfs2_cluster_connection *user_dlm_register(const struct qstr *name)
{
int rc;
struct ocfs2_cluster_connection *conn;
diff --git a/fs/ocfs2/dlmfs/userdlm.h b/fs/ocfs2/dlmfs/userdlm.h
index 3b42d79531d7..ede94a6e7fd3 100644
--- a/fs/ocfs2/dlmfs/userdlm.h
+++ b/fs/ocfs2/dlmfs/userdlm.h
@@ -83,7 +83,7 @@ void user_dlm_write_lvb(struct inode *inode,
ssize_t user_dlm_read_lvb(struct inode *inode,
char *val,
unsigned int len);
-struct ocfs2_cluster_connection *user_dlm_register(struct qstr *name);
+struct ocfs2_cluster_connection *user_dlm_register(const struct qstr *name);
void user_dlm_unregister(struct ocfs2_cluster_connection *conn);
void user_dlm_set_locking_protocol(void);
diff --git a/fs/ocfs2/stack_user.c b/fs/ocfs2/stack_user.c
index ced70c8139f7..c9e828ec3c8e 100644
--- a/fs/ocfs2/stack_user.c
+++ b/fs/ocfs2/stack_user.c
@@ -1007,10 +1007,17 @@ static int user_cluster_connect(struct ocfs2_cluster_connection *conn)
lc->oc_type = NO_CONTROLD;
rc = dlm_new_lockspace(conn->cc_name, conn->cc_cluster_name,
- DLM_LSFL_FS, DLM_LVB_LEN,
+ DLM_LSFL_FS | DLM_LSFL_NEWEXCL, DLM_LVB_LEN,
&ocfs2_ls_ops, conn, &ops_rv, &fsdlm);
- if (rc)
+ if (rc) {
+ if (rc == -EEXIST || rc == -EPROTO)
+ printk(KERN_ERR "ocfs2: Unable to create the "
+ "lockspace %s (%d), because a ocfs2-tools "
+ "program is running on this file system "
+ "with the same name lockspace\n",
+ conn->cc_name, rc);
goto out;
+ }
if (ops_rv == -EOPNOTSUPP) {
lc->oc_type = WITH_CONTROLD;
diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index 2f19aeec5482..ea47120a85ff 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -1164,7 +1164,8 @@ static int ocfs2_reserve_clusters_with_limit(struct ocfs2_super *osb,
int flags,
struct ocfs2_alloc_context **ac)
{
- int status;
+ int status, ret = 0;
+ int retried = 0;
*ac = kzalloc(sizeof(struct ocfs2_alloc_context), GFP_KERNEL);
if (!(*ac)) {
@@ -1189,7 +1190,24 @@ static int ocfs2_reserve_clusters_with_limit(struct ocfs2_super *osb,
}
if (status == -ENOSPC) {
+retry:
status = ocfs2_reserve_cluster_bitmap_bits(osb, *ac);
+ /* Retry if there is sufficient space cached in truncate log */
+ if (status == -ENOSPC && !retried) {
+ retried = 1;
+ ocfs2_inode_unlock((*ac)->ac_inode, 1);
+ inode_unlock((*ac)->ac_inode);
+
+ ret = ocfs2_try_to_free_truncate_log(osb, bits_wanted);
+ if (ret == 1)
+ goto retry;
+
+ if (ret < 0)
+ mlog_errno(ret);
+
+ inode_lock((*ac)->ac_inode);
+ ocfs2_inode_lock((*ac)->ac_inode, NULL, 1);
+ }
if (status < 0) {
if (status != -ENOSPC)
mlog_errno(status);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-18 14:26:04 +0100