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* [merged mm-nonmm-stable] ocfs2-speed-up-chain-list-searching.patch removed from -mm tree
@ 2024-04-26  4:07 Andrew Morton
  0 siblings, 0 replies; only message in thread
From: Andrew Morton @ 2024-04-26  4:07 UTC (permalink / raw)
  To: mm-commits, piaojun, mark, junxiao.bi, joseph.qi, jlbec, ghe,
	gechangwei, heming.zhao, akpm


The quilt patch titled
     Subject: ocfs2: speed up chain-list searching
has been removed from the -mm tree.  Its filename was
     ocfs2-speed-up-chain-list-searching.patch

This patch was dropped because it was merged into the mm-nonmm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: Heming Zhao <heming.zhao@suse.com>
Subject: ocfs2: speed up chain-list searching
Date: Thu, 28 Mar 2024 20:52:02 +0800

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>
---

 fs/ocfs2/suballoc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/ocfs2/suballoc.c~ocfs2-speed-up-chain-list-searching
+++ a/fs/ocfs2/suballoc.c
@@ -2006,7 +2006,7 @@ static int ocfs2_claim_suballoc_bits(str
 	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;
_

Patches currently in -mm which might be from heming.zhao@suse.com are



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2024-04-26  4:07 [merged mm-nonmm-stable] ocfs2-speed-up-chain-list-searching.patch removed from -mm tree Andrew Morton

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