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btrfs: return void in functions without error conditions

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Signed-off-by: Jeff Mahoney <jeffm@suse.com>
This commit is contained in:
Jeff Mahoney
2012-03-01 14:56:26 +01:00
committed by David Sterba
parent ffd7b33944
commit 143bede527
29 changed files with 293 additions and 410 deletions
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6
fs/btrfs/locking.c
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@@ -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)