quota: explicitly set ->dq_op and ->s_qcop
Only set the quota operation vectors if the filesystem actually supports
quota instead of doing it for all filesystems in alloc_super().
[Jan Kara: Export dquot_operations and vfs_quotactl_ops]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
diff --git a/fs/udf/super.c b/fs/udf/super.c
index 76a6156..ef9221b 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -1948,7 +1948,11 @@
/* Fill in the rest of the superblock */
sb->s_op = &udf_sb_ops;
sb->s_export_op = &udf_export_ops;
- sb->dq_op = NULL;
+#ifdef CONFIG_QUOTA
+ sb->s_qcop = &vfs_quotactl_ops;
+ sb->dq_op = NULL; /* &dquot_operations */
+#endif
+
sb->s_dirt = 0;
sb->s_magic = UDF_SUPER_MAGIC;
sb->s_time_gran = 1000;