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-rw-r--r--fs/ocfs2/dcache.c61
-rw-r--r--fs/ocfs2/dcache.h12
-rw-r--r--fs/ocfs2/ocfs2.h28
-rw-r--r--fs/ocfs2/super.c30
4 files changed, 9 insertions, 122 deletions
diff --git a/fs/ocfs2/dcache.c b/fs/ocfs2/dcache.c
index 0d3a97d2d5f6..e2e05a106beb 100644
--- a/fs/ocfs2/dcache.c
+++ b/fs/ocfs2/dcache.c
@@ -37,7 +37,6 @@
#include "dlmglue.h"
#include "file.h"
#include "inode.h"
-#include "super.h"
#include "ocfs2_trace.h"
void ocfs2_dentry_attach_gen(struct dentry *dentry)
@@ -346,52 +345,6 @@ out_attach:
return ret;
}
-DEFINE_SPINLOCK(dentry_list_lock);
-
-/* We limit the number of dentry locks to drop in one go. We have
- * this limit so that we don't starve other users of ocfs2_wq. */
-#define DL_INODE_DROP_COUNT 64
-
-/* Drop inode references from dentry locks */
-static void __ocfs2_drop_dl_inodes(struct ocfs2_super *osb, int drop_count)
-{
- struct ocfs2_dentry_lock *dl;
-
- spin_lock(&dentry_list_lock);
- while (osb->dentry_lock_list && (drop_count < 0 || drop_count--)) {
- dl = osb->dentry_lock_list;
- osb->dentry_lock_list = dl->dl_next;
- spin_unlock(&dentry_list_lock);
- iput(dl->dl_inode);
- kfree(dl);
- spin_lock(&dentry_list_lock);
- }
- spin_unlock(&dentry_list_lock);
-}
-
-void ocfs2_drop_dl_inodes(struct work_struct *work)
-{
- struct ocfs2_super *osb = container_of(work, struct ocfs2_super,
- dentry_lock_work);
-
- __ocfs2_drop_dl_inodes(osb, DL_INODE_DROP_COUNT);
- /*
- * Don't queue dropping if umount is in progress. We flush the
- * list in ocfs2_dismount_volume
- */
- spin_lock(&dentry_list_lock);
- if (osb->dentry_lock_list &&
- !ocfs2_test_osb_flag(osb, OCFS2_OSB_DROP_DENTRY_LOCK_IMMED))
- queue_work(ocfs2_wq, &osb->dentry_lock_work);
- spin_unlock(&dentry_list_lock);
-}
-
-/* Flush the whole work queue */
-void ocfs2_drop_all_dl_inodes(struct ocfs2_super *osb)
-{
- __ocfs2_drop_dl_inodes(osb, -1);
-}
-
/*
* ocfs2_dentry_iput() and friends.
*
@@ -416,24 +369,16 @@ void ocfs2_drop_all_dl_inodes(struct ocfs2_super *osb)
static void ocfs2_drop_dentry_lock(struct ocfs2_super *osb,
struct ocfs2_dentry_lock *dl)
{
+ iput(dl->dl_inode);
ocfs2_simple_drop_lockres(osb, &dl->dl_lockres);
ocfs2_lock_res_free(&dl->dl_lockres);
-
- /* We leave dropping of inode reference to ocfs2_wq as that can
- * possibly lead to inode deletion which gets tricky */
- spin_lock(&dentry_list_lock);
- if (!osb->dentry_lock_list &&
- !ocfs2_test_osb_flag(osb, OCFS2_OSB_DROP_DENTRY_LOCK_IMMED))
- queue_work(ocfs2_wq, &osb->dentry_lock_work);
- dl->dl_next = osb->dentry_lock_list;
- osb->dentry_lock_list = dl;
- spin_unlock(&dentry_list_lock);
+ kfree(dl);
}
void ocfs2_dentry_lock_put(struct ocfs2_super *osb,
struct ocfs2_dentry_lock *dl)
{
- int unlock;
+ int unlock = 0;
BUG_ON(dl->dl_count == 0);
diff --git a/fs/ocfs2/dcache.h b/fs/ocfs2/dcache.h
index b79eff709958..55f58892b153 100644
--- a/fs/ocfs2/dcache.h
+++ b/fs/ocfs2/dcache.h
@@ -29,13 +29,8 @@
extern const struct dentry_operations ocfs2_dentry_ops;
struct ocfs2_dentry_lock {
- /* Use count of dentry lock */
unsigned int dl_count;
- union {
- /* Linked list of dentry locks to release */
- struct ocfs2_dentry_lock *dl_next;
- u64 dl_parent_blkno;
- };
+ u64 dl_parent_blkno;
/*
* The ocfs2_dentry_lock keeps an inode reference until
@@ -49,14 +44,9 @@ struct ocfs2_dentry_lock {
int ocfs2_dentry_attach_lock(struct dentry *dentry, struct inode *inode,
u64 parent_blkno);
-extern spinlock_t dentry_list_lock;
-
void ocfs2_dentry_lock_put(struct ocfs2_super *osb,
struct ocfs2_dentry_lock *dl);
-void ocfs2_drop_dl_inodes(struct work_struct *work);
-void ocfs2_drop_all_dl_inodes(struct ocfs2_super *osb);
-
struct dentry *ocfs2_find_local_alias(struct inode *inode, u64 parent_blkno,
int skip_unhashed);
diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index 64c02239ba46..a780e20d4fba 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -275,19 +275,16 @@ enum ocfs2_mount_options
OCFS2_MOUNT_HB_GLOBAL = 1 << 14, /* Global heartbeat */
};
-#define OCFS2_OSB_SOFT_RO 0x0001
-#define OCFS2_OSB_HARD_RO 0x0002
-#define OCFS2_OSB_ERROR_FS 0x0004
-#define OCFS2_OSB_DROP_DENTRY_LOCK_IMMED 0x0008
-
-#define OCFS2_DEFAULT_ATIME_QUANTUM 60
+#define OCFS2_OSB_SOFT_RO 0x0001
+#define OCFS2_OSB_HARD_RO 0x0002
+#define OCFS2_OSB_ERROR_FS 0x0004
+#define OCFS2_DEFAULT_ATIME_QUANTUM 60
struct ocfs2_journal;
struct ocfs2_slot_info;
struct ocfs2_recovery_map;
struct ocfs2_replay_map;
struct ocfs2_quota_recovery;
-struct ocfs2_dentry_lock;
struct ocfs2_super
{
struct task_struct *commit_task;
@@ -415,11 +412,6 @@ struct ocfs2_super
struct list_head blocked_lock_list;
unsigned long blocked_lock_count;
- /* List of dentry locks to release. Anyone can add locks to
- * the list, ocfs2_wq processes the list */
- struct ocfs2_dentry_lock *dentry_lock_list;
- struct work_struct dentry_lock_work;
-
/* List of dquot structures to drop last reference to */
struct llist_head dquot_drop_list;
struct work_struct dquot_drop_work;
@@ -584,18 +576,6 @@ static inline void ocfs2_set_osb_flag(struct ocfs2_super *osb,
spin_unlock(&osb->osb_lock);
}
-
-static inline unsigned long ocfs2_test_osb_flag(struct ocfs2_super *osb,
- unsigned long flag)
-{
- unsigned long ret;
-
- spin_lock(&osb->osb_lock);
- ret = osb->osb_flags & flag;
- spin_unlock(&osb->osb_lock);
- return ret;
-}
-
static inline void ocfs2_set_ro_flag(struct ocfs2_super *osb,
int hard)
{
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index b800a1f78d78..888a1457af96 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -1241,30 +1241,11 @@ static struct dentry *ocfs2_mount(struct file_system_type *fs_type,
return mount_bdev(fs_type, flags, dev_name, data, ocfs2_fill_super);
}
-static void ocfs2_kill_sb(struct super_block *sb)
-{
- struct ocfs2_super *osb = OCFS2_SB(sb);
-
- /* Failed mount? */
- if (!osb || atomic_read(&osb->vol_state) == VOLUME_DISABLED)
- goto out;
-
- /* Prevent further queueing of inode drop events */
- spin_lock(&dentry_list_lock);
- ocfs2_set_osb_flag(osb, OCFS2_OSB_DROP_DENTRY_LOCK_IMMED);
- spin_unlock(&dentry_list_lock);
- /* Wait for work to finish and/or remove it */
- cancel_work_sync(&osb->dentry_lock_work);
-out:
- kill_block_super(sb);
-}
-
static struct file_system_type ocfs2_fs_type = {
.owner = THIS_MODULE,
.name = "ocfs2",
.mount = ocfs2_mount,
- .kill_sb = ocfs2_kill_sb,
-
+ .kill_sb = kill_block_super,
.fs_flags = FS_REQUIRES_DEV|FS_RENAME_DOES_D_MOVE,
.next = NULL
};
@@ -1930,12 +1911,6 @@ static void ocfs2_dismount_volume(struct super_block *sb, int mnt_err)
debugfs_remove(osb->osb_ctxt);
- /*
- * Flush inode dropping work queue so that deletes are
- * performed while the filesystem is still working
- */
- ocfs2_drop_all_dl_inodes(osb);
-
/* Orphan scan should be stopped as early as possible */
ocfs2_orphan_scan_stop(osb);
@@ -2278,9 +2253,6 @@ static int ocfs2_initialize_super(struct super_block *sb,
INIT_WORK(&journal->j_recovery_work, ocfs2_complete_recovery);
journal->j_state = OCFS2_JOURNAL_FREE;
- INIT_WORK(&osb->dentry_lock_work, ocfs2_drop_dl_inodes);
- osb->dentry_lock_list = NULL;
-
INIT_WORK(&osb->dquot_drop_work, ocfs2_drop_dquot_refs);
init_llist_head(&osb->dquot_drop_list);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-19 09:49:04 +0000