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Btrfs: move checks in set_page_dirty under DEBUG 

This is a high traffic function, let's try and do as little as possible
during normal operations shall we?

Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
This commit is contained in:
Josef Bacik 2012-10-15 13:30:43 -04:00 committed by Chris Mason
parent 70c8a91ce2
commit bb146eb265
1 changed files with 2 additions and 0 deletions
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2
fs/btrfs/disk-io.c
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@ -1001,6 +1001,7 @@ static void btree_invalidatepage(struct page *page, unsigned long offset)
static int btree_set_page_dirty(struct page *page)
{
#ifdef DEBUG
struct extent_buffer *eb;
BUG_ON(!PagePrivate(page));
@ -1009,6 +1010,7 @@ static int btree_set_page_dirty(struct page *page)
BUG_ON(!test_bit(EXTENT_BUFFER_DIRTY, &eb->bflags));
BUG_ON(!atomic_read(&eb->refs));
btrfs_assert_tree_locked(eb);
#endif
return __set_page_dirty_nobuffers(page);
}