syscalls.h add the missing sys_pipe2 declaration

[safe/jmp/linux-2.6] / include / linux / quotaops.h

diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index f491394..36353d9 100644 (file)
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -24,17 +24,22 @@ 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);
+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 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);
 
@@ -183,6 +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)) {
@@ -193,6 +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))
@@ -339,6 +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);
@@ -354,67 +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_ */