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authorJeff Mahoney <jeffm@suse.com>2012-03-01 14:56:26 +0100
committerDavid Sterba <dsterba@suse.cz>2012-03-22 01:45:34 +0100
commit143bede527b054a271053f41bfaca2b57baa9408 (patch)
tree95c71d3705c73bf98e7a1547da35e70a44703c1e /fs/btrfs/locking.c
parentffd7b33944f4573a063af7a55f8a5199c8185665 (diff)
btrfs: return void in functions without error conditions
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
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 5e178d8f716..272f911203f 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)