diff options
Diffstat (limited to 'fs/f2fs/super.c')
| -rw-r--r-- | fs/f2fs/super.c | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 2d2c91c7eadd..9167deb0c417 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -2000,6 +2000,12 @@ static int f2fs_quota_on(struct super_block *sb, int type, int format_id, struct inode *inode; int err; + /* if quota sysfile exists, deny enabling quota with specific file */ + if (f2fs_sb_has_quota_ino(F2FS_SB(sb))) { + f2fs_err(F2FS_SB(sb), "quota sysfile already exists"); + return -EBUSY; + } + err = f2fs_quota_sync(sb, type); if (err) return err; @@ -2019,7 +2025,7 @@ static int f2fs_quota_on(struct super_block *sb, int type, int format_id, return 0; } -static int f2fs_quota_off(struct super_block *sb, int type) +static int __f2fs_quota_off(struct super_block *sb, int type) { struct inode *inode = sb_dqopt(sb)->files[type]; int err; @@ -2045,13 +2051,30 @@ out_put: return err; } +static int f2fs_quota_off(struct super_block *sb, int type) +{ + struct f2fs_sb_info *sbi = F2FS_SB(sb); + int err; + + err = __f2fs_quota_off(sb, type); + + /* + * quotactl can shutdown journalled quota, result in inconsistence + * between quota record and fs data by following updates, tag the + * flag to let fsck be aware of it. + */ + if (is_journalled_quota(sbi)) + set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); + return err; +} + void f2fs_quota_off_umount(struct super_block *sb) { int type; int err; for (type = 0; type < MAXQUOTAS; type++) { - err = f2fs_quota_off(sb, type); + err = __f2fs_quota_off(sb, type); if (err) { int ret = dquot_quota_off(sb, type); |