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Date: Fri, 10 Feb 2023 03:48:17 +0800 From: Kemeng Shi <shikemeng@...weicloud.com> To: tytso@....edu, adilger.kernel@...ger.ca, jack@...e.cz Cc: linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH 13/21] 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@...weicloud.com> --- fs/ext4/mballoc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index bdabe0d81d4a..0fdbf16ac180 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -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; -- 2.30.0
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