Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

[pandora-kernel.git] / include / linux / quotaops.h

diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index 370abb1..e38ae53 100644 (file)
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -9,6 +9,10 @@
 
 #include <linux/fs.h>
 
+#define DQUOT_SPACE_WARN       0x1
+#define DQUOT_SPACE_RESERVE    0x2
+#define DQUOT_SPACE_NOFAIL     0x4
+
 static inline struct quota_info *sb_dqopt(struct super_block *sb)
 {
        return &sb->s_dquot;
@@ -41,9 +45,8 @@ int dquot_scan_active(struct super_block *sb,
 struct dquot *dquot_alloc(struct super_block *sb, int type);
 void dquot_destroy(struct dquot *dquot);
 
-int __dquot_alloc_space(struct inode *inode, qsize_t number,
-               int warn, int reserve);
-void __dquot_free_space(struct inode *inode, qsize_t number, int reserve);
+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);
 
@@ -242,17 +245,17 @@ static inline int dquot_transfer(struct inode *inode, struct iattr *iattr)
 }
 
 static inline int __dquot_alloc_space(struct inode *inode, qsize_t number,
-               int warn, int reserve)
+               int flags)
 {
-       if (!reserve)
+       if (!(flags & DQUOT_SPACE_RESERVE))
                inode_add_bytes(inode, number);
        return 0;
 }
 
 static inline void __dquot_free_space(struct inode *inode, qsize_t number,
-               int reserve)
+               int flags)
 {
-       if (!reserve)
+       if (!(flags & DQUOT_SPACE_RESERVE))
                inode_sub_bytes(inode, number);
 }
 
@@ -268,7 +271,13 @@ static inline int dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
 
 static inline int dquot_alloc_space_nodirty(struct inode *inode, qsize_t nr)
 {
-       return __dquot_alloc_space(inode, nr, 1, 0);
+       return __dquot_alloc_space(inode, nr, DQUOT_SPACE_WARN);
+}
+
+static inline void dquot_alloc_space_nofail(struct inode *inode, qsize_t nr)
+{
+       __dquot_alloc_space(inode, nr, DQUOT_SPACE_WARN|DQUOT_SPACE_NOFAIL);
+       mark_inode_dirty(inode);
 }
 
 static inline int dquot_alloc_space(struct inode *inode, qsize_t nr)
@@ -286,6 +295,11 @@ static inline int dquot_alloc_block_nodirty(struct inode *inode, qsize_t nr)
        return dquot_alloc_space_nodirty(inode, nr << inode->i_blkbits);
 }
 
+static inline void dquot_alloc_block_nofail(struct inode *inode, qsize_t nr)
+{
+       dquot_alloc_space_nofail(inode, nr << inode->i_blkbits);
+}
+
 static inline int dquot_alloc_block(struct inode *inode, qsize_t nr)
 {
        return dquot_alloc_space(inode, nr << inode->i_blkbits);
@@ -293,7 +307,7 @@ static inline int dquot_alloc_block(struct inode *inode, qsize_t nr)
 
 static inline int dquot_prealloc_block_nodirty(struct inode *inode, qsize_t nr)
 {
-       return __dquot_alloc_space(inode, nr << inode->i_blkbits, 0, 0);
+       return __dquot_alloc_space(inode, nr << inode->i_blkbits, 0);
 }
 
 static inline int dquot_prealloc_block(struct inode *inode, qsize_t nr)
@@ -308,7 +322,8 @@ static inline int dquot_prealloc_block(struct inode *inode, qsize_t nr)
 
 static inline int dquot_reserve_block(struct inode *inode, qsize_t nr)
 {
-       return __dquot_alloc_space(inode, nr << inode->i_blkbits, 1, 1);
+       return __dquot_alloc_space(inode, nr << inode->i_blkbits,
+                               DQUOT_SPACE_WARN|DQUOT_SPACE_RESERVE);
 }
 
 static inline int dquot_claim_block(struct inode *inode, qsize_t nr)
@@ -345,7 +360,7 @@ static inline void dquot_free_block(struct inode *inode, qsize_t nr)
 static inline void dquot_release_reservation_block(struct inode *inode,
                qsize_t nr)
 {
-       __dquot_free_space(inode, nr << inode->i_blkbits, 1);
+       __dquot_free_space(inode, nr << inode->i_blkbits, DQUOT_SPACE_RESERVE);
 }
 
 #endif /* _LINUX_QUOTAOPS_ */