From: Tetsuhiro Kohada <kohada.t2@gmail.com>
To: kohada.t2@gmail.com
Cc: kohada.tetsuhiro@dc.mitsubishielectric.co.jp,
mori.takahiro@ab.mitsubishielectric.co.jp,
motai.hirotaka@aj.mitsubishielectric.co.jp,
Namjae Jeon <namjae.jeon@samsung.com>,
Sungjong Seo <sj1557.seo@samsung.com>,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 1/3] exfat: remove useless directory scan in exfat_add_entry()
Date: Fri, 11 Sep 2020 13:44:39 +0900 [thread overview]
Message-ID: <20200911044439.13842-1-kohada.t2@gmail.com> (raw)
There is nothing in directory just created, so there is no need to scan.
Signed-off-by: Tetsuhiro Kohada <kohada.t2@gmail.com>
---
fs/exfat/namei.c | 11 +----------
1 file changed, 1 insertion(+), 10 deletions(-)
diff --git a/fs/exfat/namei.c b/fs/exfat/namei.c
index b966b9120c9c..803748946ddb 100644
--- a/fs/exfat/namei.c
+++ b/fs/exfat/namei.c
@@ -530,19 +530,10 @@ static int exfat_add_entry(struct inode *inode, const char *path,
info->size = 0;
info->num_subdirs = 0;
} else {
- int count;
- struct exfat_chain cdir;
-
info->attr = ATTR_SUBDIR;
info->start_clu = start_clu;
info->size = clu_size;
-
- exfat_chain_set(&cdir, info->start_clu,
- EXFAT_B_TO_CLU(info->size, sbi), info->flags);
- count = exfat_count_dir_entries(sb, &cdir);
- if (count < 0)
- return -EIO;
- info->num_subdirs = count + EXFAT_MIN_SUBDIR;
+ info->num_subdirs = EXFAT_MIN_SUBDIR;
}
memset(&info->crtime, 0, sizeof(info->crtime));
memset(&info->mtime, 0, sizeof(info->mtime));
--
2.25.1
next reply other threads:[~2020-09-11 4:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20200911044449epcas1p42ecc35423eebc3b62428b14529d6a592@epcas1p4.samsung.com>
2020-09-11 4:44 ` Tetsuhiro Kohada [this message]
2020-09-16 2:22 ` [PATCH 1/3] exfat: remove useless directory scan in exfat_add_entry() Sungjong Seo
2020-09-21 5:49 ` Namjae Jeon
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