* [PATCH] jffs2: compare xattr name length first during xattr de-duplication
@ 2019-01-10 3:26 Hou Tao
0 siblings, 0 replies; only message in thread
From: Hou Tao @ 2019-01-10 3:26 UTC (permalink / raw)
To: linux-mtd; +Cc: richard.weinberger, boris.brezillon, dwmw2
So unnecessary strcmp can be voided.
Signed-off-by: Hou Tao <houtao1@huawei.com>
---
fs/jffs2/xattr.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/jffs2/xattr.c b/fs/jffs2/xattr.c
index da3e18503c65..52aa73afbe10 100644
--- a/fs/jffs2/xattr.c
+++ b/fs/jffs2/xattr.c
@@ -668,6 +668,7 @@ static int check_xattr_ref_inode(struct jffs2_sb_info *c, struct jffs2_inode_cac
goto out;
}
if (ref->xd->xprefix == cmp->xd->xprefix
+ && ref->xd->name_len == cmp->xd->name_len
&& !strcmp(ref->xd->xname, cmp->xd->xname)) {
if (ref->xseqno > cmp->xseqno) {
*pcmp = cmp->next;
--
2.16.2.dirty
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2019-01-10 3:26 [PATCH] jffs2: compare xattr name length first during xattr de-duplication Hou Tao
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