X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Flinux%2Fquotaops.h;h=36353d95c8dbfb518687ad6c3b5d6e8db8fbe1f2;hb=ecf4667d30dd63fa130e22f8f2da3e6ce003358b;hp=21b781a3350f6cb939ae53510095341603edc99d;hpb=7d9056ba20ebed6e3937a2e23183f6117919cb00;p=safe%2Fjmp%2Flinux-2.6

diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index 21b781a..36353d9 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -24,10 +24,8 @@ void sync_dquots(struct super_block *sb, int type);
 
 int dquot_initialize(struct inode *inode, int type);
 int dquot_drop(struct inode *inode);
-int dquot_drop_locked(struct inode *inode);
 struct dquot *dqget(struct super_block *sb, unsigned int id, int type);
 void dqput(struct dquot *dquot);
-int dquot_is_cached(struct super_block *sb, unsigned int id, int type);
 int dquot_scan_active(struct super_block *sb,
 		      int (*fn)(struct dquot *dquot, unsigned long priv),
 		      unsigned long priv);
@@ -37,6 +35,11 @@ void dquot_destroy(struct dquot *dquot);
 int dquot_alloc_space(struct inode *inode, qsize_t number, int prealloc);
 int dquot_alloc_inode(const struct inode *inode, qsize_t number);
 
+int dquot_reserve_space(struct inode *inode, qsize_t number, int prealloc);
+int dquot_claim_space(struct inode *inode, qsize_t number);
+void dquot_release_reserved_space(struct inode *inode, qsize_t number);
+qsize_t dquot_get_reserved_space(struct inode *inode);
+
 int dquot_free_space(struct inode *inode, qsize_t number);
 int dquot_free_inode(const struct inode *inode, qsize_t number);
 
@@ -185,6 +188,16 @@ static inline int vfs_dq_alloc_space(struct inode *inode, qsize_t nr)
 	return ret;
 }
 
+static inline int vfs_dq_reserve_space(struct inode *inode, qsize_t nr)
+{
+	if (sb_any_quota_active(inode->i_sb)) {
+		/* Used space is updated in alloc_space() */
+		if (inode->i_sb->dq_op->reserve_space(inode, nr, 0) == NO_QUOTA)
+			return 1;
+	}
+	return 0;
+}
+
 static inline int vfs_dq_alloc_inode(struct inode *inode)
 {
 	if (sb_any_quota_active(inode->i_sb)) {
@@ -195,6 +208,31 @@ static inline int vfs_dq_alloc_inode(struct inode *inode)
 	return 0;
 }
 
+/*
+ * Convert in-memory reserved quotas to real consumed quotas
+ */
+static inline int vfs_dq_claim_space(struct inode *inode, qsize_t nr)
+{
+	if (sb_any_quota_active(inode->i_sb)) {
+		if (inode->i_sb->dq_op->claim_space(inode, nr) == NO_QUOTA)
+			return 1;
+	} else
+		inode_add_bytes(inode, nr);
+
+	mark_inode_dirty(inode);
+	return 0;
+}
+
+/*
+ * Release reserved (in-memory) quotas
+ */
+static inline
+void vfs_dq_release_reservation_space(struct inode *inode, qsize_t nr)
+{
+	if (sb_any_quota_active(inode->i_sb))
+		inode->i_sb->dq_op->release_rsv(inode, nr);
+}
+
 static inline void vfs_dq_free_space_nodirty(struct inode *inode, qsize_t nr)
 {
 	if (sb_any_quota_active(inode->i_sb))
@@ -341,6 +379,22 @@ static inline int vfs_dq_alloc_space(struct inode *inode, qsize_t nr)
 	return 0;
 }
 
+static inline int vfs_dq_reserve_space(struct inode *inode, qsize_t nr)
+{
+	return 0;
+}
+
+static inline int vfs_dq_claim_space(struct inode *inode, qsize_t nr)
+{
+	return vfs_dq_alloc_space(inode, nr);
+}
+
+static inline
+int vfs_dq_release_reservation_space(struct inode *inode, qsize_t nr)
+{
+	return 0;
+}
+
 static inline void vfs_dq_free_space_nodirty(struct inode *inode, qsize_t nr)
 {
 	inode_sub_bytes(inode, nr);
@@ -356,67 +410,48 @@ static inline void vfs_dq_free_space(struct inode *inode, qsize_t nr)
 
 static inline int vfs_dq_prealloc_block_nodirty(struct inode *inode, qsize_t nr)
 {
-	return vfs_dq_prealloc_space_nodirty(inode,
-			nr << inode->i_sb->s_blocksize_bits);
+	return vfs_dq_prealloc_space_nodirty(inode, nr << inode->i_blkbits);
 }
 
 static inline int vfs_dq_prealloc_block(struct inode *inode, qsize_t nr)
 {
-	return vfs_dq_prealloc_space(inode,
-			nr << inode->i_sb->s_blocksize_bits);
+	return vfs_dq_prealloc_space(inode, nr << inode->i_blkbits);
 }
 
 static inline int vfs_dq_alloc_block_nodirty(struct inode *inode, qsize_t nr)
 {
- 	return vfs_dq_alloc_space_nodirty(inode,
-			nr << inode->i_sb->s_blocksize_bits);
+	return vfs_dq_alloc_space_nodirty(inode, nr << inode->i_blkbits);
 }
 
 static inline int vfs_dq_alloc_block(struct inode *inode, qsize_t nr)
 {
-	return vfs_dq_alloc_space(inode,
-			nr << inode->i_sb->s_blocksize_bits);
+	return vfs_dq_alloc_space(inode, nr << inode->i_blkbits);
+}
+
+static inline int vfs_dq_reserve_block(struct inode *inode, qsize_t nr)
+{
+	return vfs_dq_reserve_space(inode, nr << inode->i_blkbits);
+}
+
+static inline int vfs_dq_claim_block(struct inode *inode, qsize_t nr)
+{
+	return vfs_dq_claim_space(inode, nr << inode->i_blkbits);
+}
+
+static inline
+void vfs_dq_release_reservation_block(struct inode *inode, qsize_t nr)
+{
+	vfs_dq_release_reservation_space(inode, nr << inode->i_blkbits);
 }
 
 static inline void vfs_dq_free_block_nodirty(struct inode *inode, qsize_t nr)
 {
-	vfs_dq_free_space_nodirty(inode, nr << inode->i_sb->s_blocksize_bits);
+	vfs_dq_free_space_nodirty(inode, nr << inode->i_blkbits);
 }
 
 static inline void vfs_dq_free_block(struct inode *inode, qsize_t nr)
 {
-	vfs_dq_free_space(inode, nr << inode->i_sb->s_blocksize_bits);
+	vfs_dq_free_space(inode, nr << inode->i_blkbits);
 }
 
-/*
- * Define uppercase equivalents for compatibility with old function names
- * Can go away when we think all users have been converted (15/04/2008)
- */
-#define DQUOT_INIT(inode) vfs_dq_init(inode)
-#define DQUOT_DROP(inode) vfs_dq_drop(inode)
-#define DQUOT_PREALLOC_SPACE_NODIRTY(inode, nr) \
-				vfs_dq_prealloc_space_nodirty(inode, nr)
-#define DQUOT_PREALLOC_SPACE(inode, nr) vfs_dq_prealloc_space(inode, nr)
-#define DQUOT_ALLOC_SPACE_NODIRTY(inode, nr) \
-				vfs_dq_alloc_space_nodirty(inode, nr)
-#define DQUOT_ALLOC_SPACE(inode, nr) vfs_dq_alloc_space(inode, nr)
-#define DQUOT_PREALLOC_BLOCK_NODIRTY(inode, nr) \
-				vfs_dq_prealloc_block_nodirty(inode, nr)
-#define DQUOT_PREALLOC_BLOCK(inode, nr) vfs_dq_prealloc_block(inode, nr)
-#define DQUOT_ALLOC_BLOCK_NODIRTY(inode, nr) \
-				vfs_dq_alloc_block_nodirty(inode, nr)
-#define DQUOT_ALLOC_BLOCK(inode, nr) vfs_dq_alloc_block(inode, nr)
-#define DQUOT_ALLOC_INODE(inode) vfs_dq_alloc_inode(inode)
-#define DQUOT_FREE_SPACE_NODIRTY(inode, nr) \
-				vfs_dq_free_space_nodirty(inode, nr)
-#define DQUOT_FREE_SPACE(inode, nr) vfs_dq_free_space(inode, nr)
-#define DQUOT_FREE_BLOCK_NODIRTY(inode, nr) \
-				vfs_dq_free_block_nodirty(inode, nr)
-#define DQUOT_FREE_BLOCK(inode, nr) vfs_dq_free_block(inode, nr)
-#define DQUOT_FREE_INODE(inode) vfs_dq_free_inode(inode)
-#define DQUOT_TRANSFER(inode, iattr) vfs_dq_transfer(inode, iattr)
-#define DQUOT_SYNC(sb) vfs_dq_sync(sb)
-#define DQUOT_OFF(sb, remount) vfs_dq_off(sb, remount)
-#define DQUOT_ON_REMOUNT(sb) vfs_dq_quota_on_remount(sb)
-
 #endif /* _LINUX_QUOTAOPS_ */