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-rw-r--r--fs/quota/quota.c7
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: