diff options
Diffstat (limited to 'fs/quota/quota.c')
| -rw-r--r-- | fs/quota/quota.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/quota/quota.c b/fs/quota/quota.c index 8e297c92f7d4..0f10ee9892ce 100644 --- a/fs/quota/quota.c +++ b/fs/quota/quota.c @@ -765,11 +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_GETQUOTA: - case Q_GETNEXTQUOTA: case Q_SYNC: case Q_XGETQSTAT: case Q_XGETQSTATV: |