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>

1 files changed, 0 insertions, 9 deletions

diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index a6592ddc349f..84b8dbf59c03 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -153,9 +153,6 @@ static inline unsigned sb_any_quota_active(struct super_block *sb)
 extern const struct dquot_operations dquot_operations;
 extern const struct quotactl_ops vfs_quotactl_ops;
 
-#define sb_dquot_ops (&dquot_operations)
-#define sb_quotactl_ops (&vfs_quotactl_ops)
-
 #else
 
 static inline int sb_has_quota_usage_enabled(struct super_block *sb, int type)
@@ -199,12 +196,6 @@ static inline int sb_any_quota_active(struct super_block *sb)
         return 0;
 }
 
-/*
- * NO-OP when quota not configured.
- */
-#define sb_dquot_ops                            (NULL)
-#define sb_quotactl_ops                         (NULL)
-
 static inline void dquot_initialize(struct inode *inode)
 {
 }