f2fs: enable quota at remount from r to w

We have to enable quota only when remounting from read to write. Otherwise,
we'll get remount failure. (e.g., write to write case)

Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index b6a96a8..ff9affb 100644 (file)
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1266,7 +1266,7 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
                err = dquot_suspend(sb, -1);
                if (err < 0)
                        goto restore_opts;
-       } else {
+       } else if (f2fs_readonly(sb) && !(*flags & MS_RDONLY)) {
                /* dquot_resume needs RW */
                sb->s_flags &= ~MS_RDONLY;
                if (sb_any_quota_suspended(sb)) {