Commit f1a8fc62 authored by Nikolay Borisov's avatar Nikolay Borisov Committed by David Sterba
Browse files

btrfs: eliminate if in main loop in tree_search_offset 



Reshuffle the code inside the first loop of tree_search_offset so that
one if() is eliminated and the becomes more linear.

Reviewed-by: default avatarJosef Bacik <josef@toxicpanda.com>
Signed-off-by: default avatarNikolay Borisov <nborisov@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent bf08387f

fs/btrfs/free-space-cache.c

+4 −7
Original line number Diff line number Diff line
@@ -1636,15 +1636,10 @@ tree_search_offset(struct btrfs_free_space_ctl *ctl, 
		   u64 offset, int bitmap_only, int fuzzy)

{

	struct rb_node *n = ctl->free_space_offset.rb_node;

	struct btrfs_free_space *entry, *prev = NULL;

	struct btrfs_free_space *entry = NULL, *prev = NULL;



	/* find entry that is closest to the 'offset' */

	while (1) {

		if (!n) {

			entry = NULL;

			break;

		}



	while (n) {

		entry = rb_entry(n, struct btrfs_free_space, offset_index);

		prev = entry;
@@ -1654,6 +1649,8 @@ tree_search_offset(struct btrfs_free_space_ctl *ctl, 
			n = n->rb_right;

		else

			break;



		entry = NULL;

	}



	if (bitmap_only) {