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authorDavid S. Miller <davem@davemloft.net>2012-04-13 13:32:07 -0700
committerDavid S. Miller <davem@davemloft.net>2012-04-13 13:32:07 -0700
commit3423166fdbc2444bf3a4a27af1d7508364a17be7 (patch)
tree0a42bd5fbe6bcca79802bf1ec5af6acf12aadd82 /fs/btrfs/locking.c
parente9b57cca3dbdc7a0b90514af8bf613baf97105a5 (diff)
parent7d93101fc71ec47c7cc66ac99f76ef795c5207aa (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Diffstat (limited to 'fs/btrfs/locking.c')
-rw-r--r--fs/btrfs/locking.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/fs/btrfs/locking.c b/fs/btrfs/locking.c
index 5e178d8f7167..272f911203ff 100644
--- a/fs/btrfs/locking.c
+++ b/fs/btrfs/locking.c
@@ -208,7 +208,7 @@ void btrfs_tree_read_unlock_blocking(struct extent_buffer *eb)
* take a spinning write lock. This will wait for both
* blocking readers or writers
*/
-int btrfs_tree_lock(struct extent_buffer *eb)
+void btrfs_tree_lock(struct extent_buffer *eb)
{
again:
wait_event(eb->read_lock_wq, atomic_read(&eb->blocking_readers) == 0);
@@ -230,13 +230,12 @@ again:
atomic_inc(&eb->spinning_writers);
atomic_inc(&eb->write_locks);
eb->lock_owner = current->pid;
- return 0;
}
/*
* drop a spinning or a blocking write lock.
*/
-int btrfs_tree_unlock(struct extent_buffer *eb)
+void btrfs_tree_unlock(struct extent_buffer *eb)
{
int blockers = atomic_read(&eb->blocking_writers);
@@ -255,7 +254,6 @@ int btrfs_tree_unlock(struct extent_buffer *eb)
atomic_dec(&eb->spinning_writers);
write_unlock(&eb->lock);
}
- return 0;
}
void btrfs_assert_tree_locked(struct extent_buffer *eb)