[PATCH] quota: convert dquot_claim_space_nodirty() to return void

[Chao Yu]

dquot_claim_space_nodirty() always return zero, let's convert it
to return void, then, its caller can get rid of handling failure
case.

Signed-off-by: Chao Yu <chao@xxxxxxxxxx>
---
 fs/quota/dquot.c         |  6 +++---
 include/linux/quotaops.h | 15 +++++----------
 2 files changed, 8 insertions(+), 13 deletions(-)

diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 58b5de081b57..44ff2813ae51 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -1787,7 +1787,7 @@ EXPORT_SYMBOL(dquot_alloc_inode);
 /*
  * Convert in-memory reserved quotas to real consumed quotas
  */
-int dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
+void dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
 {
 	struct dquot **dquots;
 	int cnt, index;
@@ -1797,7 +1797,7 @@ int dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
 		*inode_reserved_space(inode) -= number;
 		__inode_add_bytes(inode, number);
 		spin_unlock(&inode->i_lock);
-		return 0;
+		return;
 	}
 
 	dquots = i_dquot(inode);
@@ -1822,7 +1822,7 @@ int dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
 	spin_unlock(&inode->i_lock);
 	mark_all_dquot_dirty(dquots);
 	srcu_read_unlock(&dquot_srcu, index);
-	return 0;
+	return;
 }
 EXPORT_SYMBOL(dquot_claim_space_nodirty);
 
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index 4fa4ef0a173a..06cc8888199e 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -74,7 +74,7 @@ void __dquot_free_space(struct inode *inode, qsize_t number, int flags);
 
 int dquot_alloc_inode(struct inode *inode);
 
-int dquot_claim_space_nodirty(struct inode *inode, qsize_t number);
+void dquot_claim_space_nodirty(struct inode *inode, qsize_t number);
 void dquot_free_inode(struct inode *inode);
 void dquot_reclaim_space_nodirty(struct inode *inode, qsize_t number);
 
@@ -257,10 +257,9 @@ static inline void __dquot_free_space(struct inode *inode, qsize_t number,
 		inode_sub_bytes(inode, number);
 }
 
-static inline int dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
+static inline void dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
 {
 	inode_add_bytes(inode, number);
-	return 0;
 }
 
 static inline int dquot_reclaim_space_nodirty(struct inode *inode,
@@ -358,14 +357,10 @@ static inline int dquot_reserve_block(struct inode *inode, qsize_t nr)
 				DQUOT_SPACE_WARN|DQUOT_SPACE_RESERVE);
 }
 
-static inline int dquot_claim_block(struct inode *inode, qsize_t nr)
+static inline void dquot_claim_block(struct inode *inode, qsize_t nr)
 {
-	int ret;
-
-	ret = dquot_claim_space_nodirty(inode, nr << inode->i_blkbits);
-	if (!ret)
-		mark_inode_dirty_sync(inode);
-	return ret;
+	dquot_claim_space_nodirty(inode, nr << inode->i_blkbits);
+	mark_inode_dirty_sync(inode);
 }
 
 static inline void dquot_reclaim_block(struct inode *inode, qsize_t nr)
-- 
2.40.1