generic_drop_inode() is still the default and it's been updated appropriately.
generic_delete_inode() is also alive and it consists simply of return 1. Note that
@@ -318,3 +318,9 @@ if it's zero is not *and* *never* *had* *been* enough. Final unlink() and iput(
may happen while the inode is in the middle of ->write_inode(); e.g. if you blindly
free the on-disk inode, you may end up doing that while ->write_inode() is writing
to it.
+
+[mandatory]
+ The i_count field in the inode has been replaced with i_ref, which is
+a regular integer instead of an atomic_t. Filesystems should not manipulate
+it directly but use helpers like igrab(), iref() and iput().
+
diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt
index 0dbbbe4..cc0fd79 100644
--- a/Documentation/filesystems/vfs.txt
+++ b/Documentation/filesystems/vfs.txt
@@ -246,7 +246,7 @@ or bottom half).
should be synchronous or not, not all filesystems check this flag.
drop_inode: called when the last access to the inode is dropped,
- with the inode_lock spinlock held.
+ with the i_lock spinlock held.
This method should be either NULL (normal UNIX filesystem
semantics) or "generic_delete_inode" (for filesystems that do not
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 7909775..dae9871 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -58,14 +58,12 @@ static void bdev_inode_switch_bdi(struct inode *inode,
{
struct backing_dev_info *old = inode->i_data.backing_dev_info;
- spin_lock(&inode_lock);
bdi_lock_two(old, dst);
inode->i_data.backing_dev_info = dst;
if (!list_empty(&inode->i_wb_list))
list_move(&inode->i_wb_list,&dst->wb.b_dirty);
spin_unlock(&old->wb.b_lock);
spin_unlock(&dst->wb.b_lock);
- spin_unlock(&inode_lock);
}
static sector_t max_block(struct block_device *bdev)
diff --git a/fs/buffer.c b/fs/buffer.c
index 3e7dca2..66f7afd 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -1145,7 +1145,7 @@ __getblk_slow(struct block_device *bdev, sector_t block, int size)
* inode list.
*
* mark_buffer_dirty() is atomic. It takes bh->b_page->mapping->private_lock,
- * mapping->tree_lock and the global inode_lock.
+ * and mapping->tree_lock.
*/
void mark_buffer_dirty(struct buffer_head *bh)
{
diff --git a/fs/drop_caches.c b/fs/drop_caches.c
index f958dd8..bd39f65 100644
--- a/fs/drop_caches.c
+++ b/fs/drop_caches.c
@@ -16,7 +16,6 @@ static void drop_pagecache_sb(struct super_block *sb, void *unused)
{
struct inode *inode, *toput_inode = NULL;
- spin_lock(&inode_lock);
spin_lock(&sb->s_inodes_lock);
list_for_each_entry(inode,&sb->s_inodes, i_sb_list) {
spin_lock(&inode->i_lock);
@@ -28,15 +27,12 @@ static void drop_pagecache_sb(struct super_block *sb, void *unused)
inode->i_ref++;
spin_unlock(&inode->i_lock);
spin_unlock(&sb->s_inodes_lock);
- spin_unlock(&inode_lock);
invalidate_mapping_pages(inode->i_mapping, 0, -1);
iput(toput_inode);
toput_inode = inode;
- spin_lock(&inode_lock);
spin_lock(&sb->s_inodes_lock);
}
spin_unlock(&sb->s_inodes_lock);
- spin_unlock(&inode_lock);
iput(toput_inode);
}
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 807d936..f0f5ca0 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -206,7 +206,7 @@ static void requeue_io(struct inode *inode)
static void inode_sync_complete(struct inode *inode)
{
/*
- * Prevent speculative execution through spin_unlock(&inode_lock);
+ * Prevent speculative execution through spin_unlock(&inode->i_lock);
*/
smp_mb();
wake_up_bit(&inode->i_state, __I_SYNC);
@@ -306,27 +306,30 @@ static void inode_wait_for_writeback(struct inode *inode)
wqh = bit_waitqueue(&inode->i_state, __I_SYNC);
while (inode->i_state& I_SYNC) {
spin_unlock(&inode->i_lock);
- spin_unlock(&inode_lock);
__wait_on_bit(wqh,&wq, inode_wait, TASK_UNINTERRUPTIBLE);
- spin_lock(&inode_lock);
spin_lock(&inode->i_lock);
}
}
-/*
- * Write out an inode's dirty pages. Called under inode_lock. Either the
- * caller has a reference on the inode or the inode has I_WILL_FREE set.
+/**
+ * sync_inode - write an inode and its pages to disk.
+ * @inode: the inode to sync
+ * @wbc: controls the writeback mode
+ *
+ * sync_inode() will write an inode and its pages to disk. It will also
+ * correctly update the inode on its superblock's dirty inode lists and will
+ * update inode->i_state.
*
- * If `wait' is set, wait on the writeout.
+ * The caller must have a ref on the inode or the inode has I_WILL_FREE set.
+ *
+ * If @wbc->sync_mode == WB_SYNC_ALL the we are doing a data integrity
+ * operation so we need to wait on the writeout.
*
* The whole writeout design is quite complex and fragile. We want to avoid
* starvation of particular inodes when others are being redirtied, prevent
* livelocks, etc.
- *
- * Called under inode_lock.
*/
-static int
-writeback_single_inode(struct inode *inode, struct writeback_control *wbc)
+int sync_inode(struct inode *inode, struct writeback_control *wbc)
{
struct backing_dev_info *bdi = inode_to_bdi(inode);
struct address_space *mapping = inode->i_mapping;
@@ -368,7 +371,6 @@ writeback_single_inode(struct inode *inode, struct writeback_control *wbc)
inode->i_state |= I_SYNC;
inode->i_state&= ~I_DIRTY_PAGES;
spin_unlock(&inode->i_lock);
- spin_unlock(&inode_lock);
ret = do_writepages(mapping, wbc);
@@ -388,12 +390,10 @@ writeback_single_inode(struct inode *inode, struct writeback_control *wbc)
* due to delalloc, clear dirty metadata flags right before
* write_inode()
*/
- spin_lock(&inode_lock);
spin_lock(&inode->i_lock);
dirty = inode->i_state& I_DIRTY;
inode->i_state&= ~(I_DIRTY_SYNC | I_DIRTY_DATASYNC);
spin_unlock(&inode->i_lock);
- spin_unlock(&inode_lock);
/* Don't write the inode if only I_DIRTY_PAGES was set */
if (dirty& (I_DIRTY_SYNC | I_DIRTY_DATASYNC)) {
int err = write_inode(inode, wbc);
@@ -401,7 +401,6 @@ writeback_single_inode(struct inode *inode, struct writeback_control *wbc)
ret = err;
}
- spin_lock(&inode_lock);
spin_lock(&inode->i_lock);
inode->i_state&= ~I_SYNC;
if (!(inode->i_state& I_FREEING)) {
@@ -460,6 +459,7 @@ writeback_single_inode(struct inode *inode, struct writeback_control *wbc)
inode_sync_complete(inode);
return ret;
}
+EXPORT_SYMBOL(sync_inode);
/*
* For background writeback the caller does not have the sb pinned
@@ -552,7 +552,7 @@ static int writeback_sb_inodes(struct super_block *sb, struct bdi_writeback *wb,
spin_unlock(&wb->b_lock);
pages_skipped = wbc->pages_skipped;
- writeback_single_inode(inode, wbc);
+ sync_inode(inode, wbc);
if (wbc->pages_skipped != pages_skipped) {
/*
* writeback is not making progress due to locked
@@ -562,10 +562,8 @@ static int writeback_sb_inodes(struct super_block *sb, struct bdi_writeback *wb,
redirty_tail(inode);
spin_unlock(&wb->b_lock);
}
- spin_unlock(&inode_lock);
iput(inode);
cond_resched();
- spin_lock(&inode_lock);
spin_lock(&wb->b_lock);
if (wbc->nr_to_write<= 0) {
wbc->more_io = 1;
@@ -585,9 +583,7 @@ void writeback_inodes_wb(struct bdi_writeback *wb,
if (!wbc->wb_start)
wbc->wb_start = jiffies; /* livelock avoidance */
- spin_lock(&inode_lock);
spin_lock(&wb->b_lock);
-
if (!wbc->for_kupdate || list_empty(&wb->b_io))
queue_io(wb, wbc->older_than_this);
@@ -607,7 +603,6 @@ void writeback_inodes_wb(struct bdi_writeback *wb,
break;
}
spin_unlock(&wb->b_lock);
- spin_unlock(&inode_lock);
/* Leave any unwritten inodes on b_io */
}
@@ -616,13 +611,11 @@ static void __writeback_inodes_sb(struct super_block *sb,
{
WARN_ON(!rwsem_is_locked(&sb->s_umount));
- spin_lock(&inode_lock);
spin_lock(&wb->b_lock);
if (!wbc->for_kupdate || list_empty(&wb->b_io))
queue_io(wb, wbc->older_than_this);
writeback_sb_inodes(sb, wb, wbc, true);
spin_unlock(&wb->b_lock);
- spin_unlock(&inode_lock);
}
/*
@@ -732,7 +725,6 @@ static long wb_writeback(struct bdi_writeback *wb,
* become available for writeback. Otherwise
* we'll just busyloop.
*/
- spin_lock(&inode_lock);
if (!list_empty(&wb->b_more_io)) {
spin_lock(&wb->b_lock);
inode = list_entry(wb->b_more_io.prev,
@@ -743,7 +735,6 @@ static long wb_writeback(struct bdi_writeback *wb,
inode_wait_for_writeback(inode);
spin_unlock(&inode->i_lock);
}
- spin_unlock(&inode_lock);
}
return wrote;
@@ -1006,7 +997,6 @@ void __mark_inode_dirty(struct inode *inode, int flags)
if (unlikely(block_dump))
block_dump___mark_inode_dirty(inode);
- spin_lock(&inode_lock);
spin_lock(&inode->i_lock);
if ((inode->i_state& flags) != flags) {
const int was_dirty = inode->i_state& I_DIRTY;
@@ -1064,8 +1054,6 @@ void __mark_inode_dirty(struct inode *inode, int flags)
out_unlock:
spin_unlock(&inode->i_lock);
out:
- spin_unlock(&inode_lock);
-
if (wakeup_bdi)
bdi_wakeup_thread_delayed(bdi);
}
@@ -1098,7 +1086,6 @@ static void wait_sb_inodes(struct super_block *sb)
*/
WARN_ON(!rwsem_is_locked(&sb->s_umount));
- spin_lock(&inode_lock);
spin_lock(&sb->s_inodes_lock);
/*
@@ -1121,14 +1108,12 @@ static void wait_sb_inodes(struct super_block *sb)
inode->i_ref++;
spin_unlock(&inode->i_lock);
spin_unlock(&sb->s_inodes_lock);
- spin_unlock(&inode_lock);
/*
- * We hold a reference to 'inode' so it couldn't have
- * been removed from s_inodes list while we dropped the
- * inode_lock. We cannot iput the inode now as we can
- * be holding the last reference and we cannot iput it
- * under inode_lock. So we keep the reference and iput
- * it later.
+ * We hold a reference to 'inode' so it couldn't have been
+ * removed from s_inodes list while we dropped the
+ * s_inodes_lock. We cannot iput the inode now as we can be
+ * holding the last reference and we cannot iput it under
+ * s_inodes_lock. So we keep the reference and iput it later.
*/
iput(old_inode);
old_inode = inode;
@@ -1137,11 +1122,9 @@ static void wait_sb_inodes(struct super_block *sb)
cond_resched();
- spin_lock(&inode_lock);
spin_lock(&sb->s_inodes_lock);
}
spin_unlock(&sb->s_inodes_lock);
- spin_unlock(&inode_lock);
iput(old_inode);
}
@@ -1244,33 +1227,9 @@ int write_inode_now(struct inode *inode, int sync)
wbc.nr_to_write = 0;
might_sleep();
- spin_lock(&inode_lock);
- ret = writeback_single_inode(inode,&wbc);
- spin_unlock(&inode_lock);
+ ret = sync_inode(inode,&wbc);
if (sync)
inode_sync_wait(inode);
return ret;
}
EXPORT_SYMBOL(write_inode_now);
-
-/**
- * sync_inode - write an inode and its pages to disk.
- * @inode: the inode to sync
- * @wbc: controls the writeback mode
- *
- * sync_inode() will write an inode and its pages to disk. It will also
- * correctly update the inode on its superblock's dirty inode lists and will
- * update inode->i_state.
- *
- * The caller must have a ref on the inode.
- */
-int sync_inode(struct inode *inode, struct writeback_control *wbc)
-{
- int ret;
-
- spin_lock(&inode_lock);
- ret = writeback_single_inode(inode, wbc);
- spin_unlock(&inode_lock);
- return ret;
-}
-EXPORT_SYMBOL(sync_inode);
diff --git a/fs/inode.c b/fs/inode.c
index b33b57c..0046ea8 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -44,24 +44,20 @@
* inode_lru, i_lru
*
* Lock orders
- * inode_lock
- * inode hash bucket lock
- * inode->i_lock
+ * inode hash bucket lock
+ * inode->i_lock
*
- * inode_lock
- * sb inode lock
- * inode_lru_lock
- * wb->b_lock
- * inode->i_lock
+ * sb inode lock
+ * inode_lru_lock
+ * wb->b_lock
+ * inode->i_lock
*
- * inode_lock
- * wb->b_lock
- * sb_lock (pin sb for writeback)
- * inode->i_lock
+ * wb->b_lock
+ * sb_lock (pin sb for writeback)
+ * inode->i_lock
*
- * inode_lock
- * inode_lru
- * inode->i_lock
+ * inode_lru
+ * inode->i_lock
*/
/*
* This is needed for the following functions:
@@ -114,14 +110,6 @@ static LIST_HEAD(inode_lru);
static DEFINE_SPINLOCK(inode_lru_lock);
/*
- * A simple spinlock to protect the list manipulations.
- *
- * NOTE! You also have to own the lock if you change
- * the i_state of an inode while it is in use..
- */
-DEFINE_SPINLOCK(inode_lock);
-
-/*
* iprune_sem provides exclusion between the kswapd or try_to_free_pages
* icache shrinking path, and the umount path. Without this exclusion,
* by the time prune_icache calls iput for the inode whose pages it has
@@ -355,11 +343,9 @@ static void init_once(void *foo)
void iref(struct inode *inode)
{
WARN_ON(inode->i_ref< 1);
- spin_lock(&inode_lock);
spin_lock(&inode->i_lock);
inode->i_ref++;
spin_unlock(&inode->i_lock);
- spin_unlock(&inode_lock);
}
EXPORT_SYMBOL_GPL(iref);
@@ -387,28 +373,21 @@ void inode_lru_list_del(struct inode *inode)
spin_unlock(&inode_lru_lock);
}
-static void __inode_sb_list_add(struct inode *inode)
-{
- struct super_block *sb = inode->i_sb;
-
- spin_lock(&sb->s_inodes_lock);
- list_add(&inode->i_sb_list,&sb->s_inodes);
- spin_unlock(&sb->s_inodes_lock);
-}
-
/**
* inode_sb_list_add - add inode to the superblock list of inodes
* @inode: inode to add
*/
void inode_sb_list_add(struct inode *inode)
{
- spin_lock(&inode_lock);
- __inode_sb_list_add(inode);
- spin_unlock(&inode_lock);
+ struct super_block *sb = inode->i_sb;
+
+ spin_lock(&sb->s_inodes_lock);
+ list_add(&inode->i_sb_list,&sb->s_inodes);
+ spin_unlock(&sb->s_inodes_lock);
}
EXPORT_SYMBOL_GPL(inode_sb_list_add);
-static void __inode_sb_list_del(struct inode *inode)
+static void inode_sb_list_del(struct inode *inode)
{
struct super_block *sb = inode->i_sb;
@@ -439,22 +418,17 @@ void __insert_inode_hash(struct inode *inode, unsigned long hashval)
{
struct hlist_bl_head *b = inode_hashtable + hash(inode->i_sb, hashval);
- spin_lock(&inode_lock);
hlist_bl_lock(b);
hlist_bl_add_head(&inode->i_hash, b);
hlist_bl_unlock(b);
- spin_unlock(&inode_lock);
}
EXPORT_SYMBOL(__insert_inode_hash);
/**
- * __remove_inode_hash - remove an inode from the hash
+ * remove_inode_hash - remove an inode from the hash
* @inode: inode to unhash
- *
- * Remove an inode from the superblock. inode->i_lock must be
- * held.
*/
-static void __remove_inode_hash(struct inode *inode)
+void remove_inode_hash(struct inode *inode)
{
struct hlist_bl_head *b;
@@ -463,19 +437,6 @@ static void __remove_inode_hash(struct inode *inode)
hlist_bl_del_init(&inode->i_hash);
hlist_bl_unlock(b);
}
-
-/**
- * remove_inode_hash - remove an inode from the hash
- * @inode: inode to unhash
- *
- * Remove an inode from the superblock.
- */
-void remove_inode_hash(struct inode *inode)
-{
- spin_lock(&inode_lock);
- __remove_inode_hash(inode);
- spin_unlock(&inode_lock);
-}
EXPORT_SYMBOL(remove_inode_hash);
void end_writeback(struct inode *inode)
@@ -526,10 +487,8 @@ static void dispose_list(struct list_head *head)
evict(inode);
- spin_lock(&inode_lock);
- __remove_inode_hash(inode);
- __inode_sb_list_del(inode);
- spin_unlock(&inode_lock);
+ remove_inode_hash(inode);
+ inode_sb_list_del(inode);
spin_lock(&inode->i_lock);
wake_up_bit(&inode->i_state, __I_NEW);
@@ -558,7 +517,6 @@ static int invalidate_list(struct super_block *sb, struct list_head *head,
* change during umount anymore, and because iprune_sem keeps
* shrink_icache_memory() away.
*/
- cond_resched_lock(&inode_lock);
cond_resched_lock(&sb->s_inodes_lock);
next = next->next;
@@ -609,12 +567,10 @@ int invalidate_inodes(struct super_block *sb)
LIST_HEAD(throw_away);
down_write(&iprune_sem);
- spin_lock(&inode_lock);
spin_lock(&sb->s_inodes_lock);
fsnotify_unmount_inodes(&sb->s_inodes);
busy = invalidate_list(sb,&sb->s_inodes,&throw_away);
spin_unlock(&sb->s_inodes_lock);
- spin_unlock(&inode_lock);
dispose_list(&throw_away);
up_write(&iprune_sem);
@@ -625,7 +581,7 @@ EXPORT_SYMBOL(invalidate_inodes);
/*
* Scan `goal' inodes on the unused list for freeable ones. They are moved to a
- * temporary list and then are freed outside inode_lock by dispose_list().
+ * temporary list and then are freed outside locks by dispose_list().
*
* Any inodes which are pinned purely because of attached pagecache have their
* pagecache removed. If the inode has metadata buffers attached to
@@ -646,7 +602,6 @@ static void prune_icache(int nr_to_scan)
unsigned long reap = 0;
down_read(&iprune_sem);
- spin_lock(&inode_lock);
spin_lock(&inode_lru_lock);
for (nr_scanned = 0; nr_scanned< nr_to_scan; nr_scanned++) {
struct inode *inode;
@@ -679,7 +634,6 @@ static void prune_icache(int nr_to_scan)
inode->i_ref++;
spin_unlock(&inode->i_lock);
spin_unlock(&inode_lru_lock);
- spin_unlock(&inode_lock);
if (remove_inode_buffers(inode))
reap += invalidate_mapping_pages(&inode->i_data,
0, -1);
@@ -695,7 +649,6 @@ static void prune_icache(int nr_to_scan)
* the I_REFERENCED flag on the next pass and do the
* same. Either way, we won't spin on it in this loop.
*/
- spin_lock(&inode_lock);
spin_lock(&inode_lru_lock);
continue;
}
@@ -718,7 +671,6 @@ static void prune_icache(int nr_to_scan)
else
__count_vm_events(PGINODESTEAL, reap);
spin_unlock(&inode_lru_lock);
- spin_unlock(&inode_lock);
dispose_list(&freeable);
up_read(&iprune_sem);
@@ -868,19 +820,15 @@ struct inode *new_inode(struct super_block *sb)
{
struct inode *inode;
- spin_lock_prefetch(&inode_lock);
-
inode = alloc_inode(sb);
if (inode) {
- spin_lock(&inode_lock);
/*
* set the inode state before we make the inode accessible to
* the outside world.
*/
inode->i_ino = get_next_ino();
inode->i_state = 0;
- __inode_sb_list_add(inode);
- spin_unlock(&inode_lock);
+ inode_sb_list_add(inode);
}
return inode;
}
@@ -938,7 +886,6 @@ static struct inode *get_new_inode(struct super_block *sb,
if (inode) {
struct inode *old;
- spin_lock(&inode_lock);
hlist_bl_lock(b);
/* We released the lock, so.. */
old = find_inode(sb, b, test, data);
@@ -953,8 +900,7 @@ static struct inode *get_new_inode(struct super_block *sb,
inode->i_state = I_NEW;
hlist_bl_add_head(&inode->i_hash, b);
hlist_bl_unlock(b);
- __inode_sb_list_add(inode);
- spin_unlock(&inode_lock);
+ inode_sb_list_add(inode);
/* Return the locked inode with I_NEW set, the
* caller is responsible for filling in the contents
@@ -968,7 +914,6 @@ static struct inode *get_new_inode(struct super_block *sb,
* allocated.
*/
hlist_bl_unlock(b);
- spin_unlock(&inode_lock);
destroy_inode(inode);
inode = old;
wait_on_inode(inode);
@@ -977,7 +922,6 @@ static struct inode *get_new_inode(struct super_block *sb,
set_failed:
hlist_bl_unlock(b);
- spin_unlock(&inode_lock);
destroy_inode(inode);
return NULL;
}
@@ -995,7 +939,6 @@ static struct inode *get_new_inode_fast(struct super_block *sb,
if (inode) {
struct inode *old;
- spin_lock(&inode_lock);
hlist_bl_lock(b);
/* We released the lock, so.. */
old = find_inode_fast(sb, b, ino);
@@ -1008,8 +951,7 @@ static struct inode *get_new_inode_fast(struct super_block *sb,
inode->i_state = I_NEW;
hlist_bl_add_head(&inode->i_hash, b);
hlist_bl_unlock(b);
- __inode_sb_list_add(inode);
- spin_unlock(&inode_lock);
+ inode_sb_list_add(inode);
/* Return the locked inode with I_NEW set, the
* caller is responsible for filling in the contents
@@ -1023,7 +965,6 @@ static struct inode *get_new_inode_fast(struct super_block *sb,
* allocated.
*/
hlist_bl_unlock(b);
- spin_unlock(&inode_lock);
destroy_inode(inode);
inode = old;
wait_on_inode(inode);
@@ -1081,7 +1022,6 @@ ino_t iunique(struct super_block *sb, ino_t max_reserved)
static unsigned int counter;
ino_t res;
- spin_lock(&inode_lock);
spin_lock(&iunique_lock);
do {
if (counter<= max_reserved)
@@ -1089,7 +1029,6 @@ ino_t iunique(struct super_block *sb, ino_t max_reserved)
res = counter++;
} while (!test_inode_iunique(sb, res));
spin_unlock(&iunique_lock);
- spin_unlock(&inode_lock);
return res;
}
@@ -1097,7 +1036,6 @@ EXPORT_SYMBOL(iunique);
struct inode *igrab(struct inode *inode)
{
- spin_lock(&inode_lock);
spin_lock(&inode->i_lock);
if (!(inode->i_state& (I_FREEING|I_WILL_FREE))) {
inode->i_ref++;
@@ -1111,7 +1049,6 @@ struct inode *igrab(struct inode *inode)
*/
inode = NULL;
}
- spin_unlock(&inode_lock);
return inode;
}
EXPORT_SYMBOL(igrab);
@@ -1133,7 +1070,7 @@ EXPORT_SYMBOL(igrab);
*
* Otherwise NULL is returned.
*
- * Note, @test is called with the inode_lock held, so can't sleep.
+ * Note, @test is called with the i_lock held, so can't sleep.
*/
static struct inode *ifind(struct super_block *sb,
struct hlist_bl_head *b,
@@ -1142,11 +1079,9 @@ static struct inode *ifind(struct super_block *sb,
{
struct inode *inode;
- spin_lock(&inode_lock);
hlist_bl_lock(b);
inode = find_inode(sb, b, test, data);
hlist_bl_unlock(b);
- spin_unlock(&inode_lock);
if (inode&& likely(wait))
wait_on_inode(inode);
@@ -1174,11 +1109,9 @@ static struct inode *ifind_fast(struct super_block *sb,
{
struct inode *inode;
- spin_lock(&inode_lock);
hlist_bl_lock(b);
inode = find_inode_fast(sb, b, ino);
hlist_bl_unlock(b);
- spin_unlock(&inode_lock);
if (inode)
wait_on_inode(inode);
@@ -1204,7 +1137,7 @@ static struct inode *ifind_fast(struct super_block *sb,
*
* Otherwise NULL is returned.
*
- * Note, @test is called with the inode_lock held, so can't sleep.
+ * Note, @test is called with the i_lock held, so can't sleep.
*/
struct inode *ilookup5_nowait(struct super_block *sb, unsigned long hashval,
int (*test)(struct inode *, void *), void *data)
@@ -1232,7 +1165,7 @@ EXPORT_SYMBOL(ilookup5_nowait);
*
* Otherwise NULL is returned.
*
- * Note, @test is called with the inode_lock held, so can't sleep.
+ * Note, @test is called with the i_lock held, so can't sleep.
*/
struct inode *ilookup5(struct super_block *sb, unsigned long hashval,
int (*test)(struct inode *, void *), void *data)
@@ -1283,7 +1216,7 @@ EXPORT_SYMBOL(ilookup);
* inode and this is returned locked, hashed, and with the I_NEW flag set. The
* file system gets to fill it in before unlocking it via unlock_new_inode().
*
- * Note both @test and @set are called with the inode_lock held, so can't sleep.
+ * Note both @test and @set are called with the i_lock held, so can't sleep.
