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authorSheng Yong <shengyong1@huawei.com>2017-04-22 05:39:20 +0300
committerJaegeuk Kim <jaegeuk@kernel.org>2017-04-26 00:16:31 +0300
commitd3bb910c15d75ee3340311c64a1c05985bb663a3 (patch)
tree3914c7fed2ae289d092481b11396b9d393d13c4d /fs/f2fs/dir.c
parent4086d3f61b6573f65ddc13fc375c0c7b0ac482a0 (diff)
downloadlinux-d3bb910c15d75ee3340311c64a1c05985bb663a3.tar.xz
f2fs: fix multiple f2fs_add_link() having same name for inline dentry
Commit 88c5c13a5027 (f2fs: fix multiple f2fs_add_link() calls having same name) does not cover the scenario where inline dentry is enabled. In that case, F2FS_I(dir)->task will be NULL, and __f2fs_add_link will lookup dentries one more time. This patch fixes it by moving the assigment of current task to a upper level to cover both normal and inline dentry. Cc: <stable@vger.kernel.org> Fixes: 88c5c13a5027 (f2fs: fix multiple f2fs_add_link() calls having same name) Signed-off-by: Sheng Yong <shengyong1@huawei.com> Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/dir.c')
-rw-r--r--fs/f2fs/dir.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index c143dffcae6e..b8c62e9669bc 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -207,13 +207,9 @@ static struct f2fs_dir_entry *find_in_level(struct inode *dir,
f2fs_put_page(dentry_page, 0);
}
- /* This is to increase the speed of f2fs_create */
- if (!de && room) {
- F2FS_I(dir)->task = current;
- if (F2FS_I(dir)->chash != namehash) {
- F2FS_I(dir)->chash = namehash;
- F2FS_I(dir)->clevel = level;
- }
+ if (!de && room && F2FS_I(dir)->chash != namehash) {
+ F2FS_I(dir)->chash = namehash;
+ F2FS_I(dir)->clevel = level;
}
return de;
@@ -254,6 +250,9 @@ struct f2fs_dir_entry *__f2fs_find_entry(struct inode *dir,
break;
}
out:
+ /* This is to increase the speed of f2fs_create */
+ if (!de)
+ F2FS_I(dir)->task = current;
return de;
}