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ext4: remove dead check in mb_buddy_mark_free 

We always adjust first to even number and adjust last to odd number, so
first == last will never happen. Remove this dead check.

Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
Link: https://lore.kernel.org/r/20230303172120.3800725-13-shikemeng@huaweicloud.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Kemeng Shi 2023-03-04 01:21:12 +08:00 committed by Theodore Ts'o
parent aaae558dae
commit 976620bd26
1 changed files with 2 additions and 1 deletions
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3
fs/ext4/mballoc.c
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@ -1718,7 +1718,8 @@ static void mb_buddy_mark_free(struct ext4_buddy *e4b, int first, int last)
break;
order++;
if (first == last || !(buddy2 = mb_find_buddy(e4b, order, &max))) {
buddy2 = mb_find_buddy(e4b, order, &max);
if (!buddy2) {
mb_clear_bits(buddy, first, last - first + 1);
e4b->bd_info->bb_counters[order - 1] += last - first + 1;
break;