ceph: check unsupported fallocate mode
authorYan, Zheng <zheng.z.yan@intel.com>
Thu, 26 Jun 2014 07:25:17 +0000 (15:25 +0800)
committerIlya Dryomov <ilya.dryomov@inktank.com>
Tue, 8 Jul 2014 11:08:46 +0000 (15:08 +0400)
Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com>
fs/ceph/file.c

index 3020851..19af25d 100644 (file)
@@ -1177,6 +1177,9 @@ static long ceph_fallocate(struct file *file, int mode,
        loff_t endoff = 0;
        loff_t size;
 
+       if (mode & ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE))
+               return -EOPNOTSUPP;
+
        if (!S_ISREG(inode->i_mode))
                return -EOPNOTSUPP;