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f2fs: quota: do not mount as RDWR without QUOTA if quota feature enabled 

If quota feature is enabled, quota is on by default. However, if
CONFIG_QUOTA is not built in kernel, dquot entries will not get updated,
which leads to quota inconsistency.

Signed-off-by: Sheng Yong <shengyong1@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Sheng Yong 2018-07-24 20:17:52 +08:00 committed by Jaegeuk Kim
parent 76cf05d79c
commit 00960c2cd8
1 changed files with 7 additions and 6 deletions
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13
fs/f2fs/super.c
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@ -346,12 +346,6 @@ static int f2fs_check_quota_options(struct f2fs_sb_info *sbi)
"QUOTA feature is enabled, so ignore jquota_fmt");
F2FS_OPTION(sbi).s_jquota_fmt = 0;
}
if (f2fs_sb_has_quota_ino(sbi->sb) && f2fs_readonly(sbi->sb)) {
f2fs_msg(sbi->sb, KERN_INFO,
"Filesystem with quota feature cannot be mounted RDWR "
"without CONFIG_QUOTA");
return -1;
}
return 0;
}
#endif
@ -774,6 +768,13 @@ static int parse_options(struct super_block *sb, char *options)
#ifdef CONFIG_QUOTA
if (f2fs_check_quota_options(sbi))
return -EINVAL;
#else
if (f2fs_sb_has_quota_ino(sbi->sb) && !f2fs_readonly(sbi->sb)) {
f2fs_msg(sbi->sb, KERN_INFO,
"Filesystem with quota feature cannot be mounted RDWR "
"without CONFIG_QUOTA");
return -EINVAL;
}
#endif
if (F2FS_IO_SIZE_BITS(sbi) && !test_opt(sbi, LFS)) {