quota: Remove const from function declarations

We don't use const through VFS too much so just remove it from quota
function declarations.
Signed-off-by: Jan Kara <jack@suse.cz>

fs/quota/dquot.c

@@ -1643,7 +1643,7 @@ EXPORT_SYMBOL(__dquot_alloc_space);
 /*
  * This operation can block, but only after everything is updated
  */
-int dquot_alloc_inode(const struct inode *inode)
+int dquot_alloc_inode(struct inode *inode)
 {
 	int cnt, ret = 0, index;
 	struct dquot_warn warn[MAXQUOTAS];
@@ -1784,7 +1784,7 @@ EXPORT_SYMBOL(__dquot_free_space);
 /*
  * This operation can block, but only after everything is updated
  */
-void dquot_free_inode(const struct inode *inode)
+void dquot_free_inode(struct inode *inode)
 {
 	unsigned int cnt;
 	struct dquot_warn warn[MAXQUOTAS];

include/linux/quotaops.h

@@ -64,10 +64,10 @@ void dquot_destroy(struct dquot *dquot);
 int __dquot_alloc_space(struct inode *inode, qsize_t number, int flags);
 void __dquot_free_space(struct inode *inode, qsize_t number, int flags);
 
-int dquot_alloc_inode(const struct inode *inode);
+int dquot_alloc_inode(struct inode *inode);
 
 int dquot_claim_space_nodirty(struct inode *inode, qsize_t number);
-void dquot_free_inode(const struct inode *inode);
+void dquot_free_inode(struct inode *inode);
 void dquot_reclaim_space_nodirty(struct inode *inode, qsize_t number);
 
 int dquot_disable(struct super_block *sb, int type, unsigned int flags);
@@ -213,12 +213,12 @@ static inline void dquot_drop(struct inode *inode)
 {
 }
 
-static inline int dquot_alloc_inode(const struct inode *inode)
+static inline int dquot_alloc_inode(struct inode *inode)
 {
 	return 0;
 }
 
-static inline void dquot_free_inode(const struct inode *inode)
+static inline void dquot_free_inode(struct inode *inode)
 {
 }