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ocfs2: speed up chain-list searching

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Add short-circuit code to speed up searching

Link: https://lkml.kernel.org/r/20240328125203.20892-4-heming.zhao@suse.com
Signed-off-by: Heming Zhao <heming.zhao@suse.com>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Gang He <ghe@suse.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Jun Piao <piaojun@huawei.com>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Mark Fasheh <mark@fasheh.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Heming Zhao 2024-03-28 20:52:02 +08:00 committed by Andrew Morton
parent f51dac026f
commit 525350221b
1 changed files with 1 additions and 1 deletions
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2
fs/ocfs2/suballoc.c
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@ -2006,7 +2006,7 @@ static int ocfs2_claim_suballoc_bits(struct ocfs2_alloc_context *ac,
for (i = 0; i < le16_to_cpu(cl->cl_next_free_rec); i ++) {
if (i == victim)
continue;
if (!cl->cl_recs[i].c_free)
if (le32_to_cpu(cl->cl_recs[i].c_free) < bits_wanted)
continue;
ac->ac_chain = i;