diff options
Diffstat (limited to 'fs/quota/quota.c')
| -rw-r--r-- | fs/quota/quota.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/fs/quota/quota.c b/fs/quota/quota.c index 0ebc90496525..0f10ee9892ce 100644 --- a/fs/quota/quota.c +++ b/fs/quota/quota.c @@ -224,7 +224,7 @@ static int quota_getquota(struct super_block *sb, int type, qid_t id, /* * Return quota for next active quota >= this id, if any exists, - * otherwise return -ESRCH via ->get_nextdqblk + * otherwise return -ENOENT via ->get_nextdqblk */ static int quota_getnextquota(struct super_block *sb, int type, qid_t id, void __user *addr) @@ -655,7 +655,7 @@ static int quota_getxquota(struct super_block *sb, int type, qid_t id, /* * Return quota for next active quota >= this id, if any exists, - * otherwise return -ESRCH via ->get_nextdqblk. + * otherwise return -ENOENT via ->get_nextdqblk. */ static int quota_getnextxquota(struct super_block *sb, int type, qid_t id, void __user *addr) @@ -765,10 +765,14 @@ static int do_quotactl(struct super_block *sb, int type, int cmd, qid_t id, /* Return 1 if 'cmd' will block on frozen filesystem */ static int quotactl_cmd_write(int cmd) { + /* + * We cannot allow Q_GETQUOTA and Q_GETNEXTQUOTA without write access + * as dquot_acquire() may allocate space for new structure and OCFS2 + * needs to increment on-disk use count. + */ switch (cmd) { case Q_GETFMT: case Q_GETINFO: - case Q_GETNEXTQUOTA: case Q_SYNC: case Q_XGETQSTAT: case Q_XGETQSTATV: |