patch-2.4.22 linux-2.4.22/include/linux/quotaops.h

• Lines: 225
• Date: 2003-08-25 04:44:44.000000000 -0700
• Orig file: linux-2.4.21/include/linux/quotaops.h
• Orig date: 2002-08-02 17:39:45.000000000 -0700

diff -urN linux-2.4.21/include/linux/quotaops.h linux-2.4.22/include/linux/quotaops.h
@@ -20,15 +20,16 @@
 /*
  * declaration of quota_function calls in kernel.
  */
-extern void dquot_initialize(struct inode *inode, short type);
+extern void sync_dquots_dev(kdev_t dev, int type);
+extern void sync_dquots_sb(struct super_block *sb, int type);
+
+extern void dquot_initialize(struct inode *inode, int type);
 extern void dquot_drop(struct inode *inode);
-extern int  quota_off(struct super_block *sb, short type);
-extern int  sync_dquots(kdev_t dev, short type);
 
-extern int  dquot_alloc_block(struct inode *inode, unsigned long number, char prealloc);
+extern int  dquot_alloc_space(struct inode *inode, qsize_t number, int prealloc);
 extern int  dquot_alloc_inode(const struct inode *inode, unsigned long number);
 
-extern void dquot_free_block(struct inode *inode, unsigned long number);
+extern void dquot_free_space(struct inode *inode, qsize_t number);
 extern void dquot_free_inode(const struct inode *inode, unsigned long number);
 
 extern int  dquot_transfer(struct inode *inode, struct iattr *iattr);
@@ -36,7 +37,11 @@
 /*
  * Operations supported for diskquotas.
  */
-#define sb_any_quota_enabled(sb) ((sb)->s_dquot.flags & (DQUOT_USR_ENABLED | DQUOT_GRP_ENABLED))
+extern struct dquot_operations dquot_operations;
+extern struct quotactl_ops vfs_quotactl_ops;
+
+#define sb_dquot_ops (&dquot_operations)
+#define sb_quotactl_ops (&vfs_quotactl_ops)
 
 static __inline__ void DQUOT_INIT(struct inode *inode)
 {
@@ -59,50 +64,50 @@
 	unlock_kernel();
 }
 
-static __inline__ int DQUOT_PREALLOC_BLOCK_NODIRTY(struct inode *inode, int nr)
+static __inline__ int DQUOT_PREALLOC_SPACE_NODIRTY(struct inode *inode, qsize_t nr)
 {
 	lock_kernel();
 	if (sb_any_quota_enabled(inode->i_sb)) {
-		/* Number of used blocks is updated in alloc_block() */
-		if (inode->i_sb->dq_op->alloc_block(inode, fs_to_dq_blocks(nr, inode->i_sb->s_blocksize), 1) == NO_QUOTA) {
+		/* Used space is updated in alloc_space() */
+		if (inode->i_sb->dq_op->alloc_space(inode, nr, 1) == NO_QUOTA) {
 			unlock_kernel();
 			return 1;
 		}
 	}
 	else
-		inode->i_blocks += nr << (inode->i_sb->s_blocksize_bits - 9);
+		inode_add_bytes(inode, nr);
 	unlock_kernel();
 	return 0;
 }
 
-static __inline__ int DQUOT_PREALLOC_BLOCK(struct inode *inode, int nr)
+static __inline__ int DQUOT_PREALLOC_SPACE(struct inode *inode, qsize_t nr)
 {
 	int ret;
-        if (!(ret =  DQUOT_PREALLOC_BLOCK_NODIRTY(inode, nr)))
+        if (!(ret =  DQUOT_PREALLOC_SPACE_NODIRTY(inode, nr)))
 		mark_inode_dirty(inode);
 	return ret;
 }
 
-static __inline__ int DQUOT_ALLOC_BLOCK_NODIRTY(struct inode *inode, int nr)
+static __inline__ int DQUOT_ALLOC_SPACE_NODIRTY(struct inode *inode, qsize_t nr)
 {
 	lock_kernel();
 	if (sb_any_quota_enabled(inode->i_sb)) {
-		/* Number of used blocks is updated in alloc_block() */
-		if (inode->i_sb->dq_op->alloc_block(inode, fs_to_dq_blocks(nr, inode->i_sb->s_blocksize), 0) == NO_QUOTA) {
+		/* Used space is updated in alloc_space() */
+		if (inode->i_sb->dq_op->alloc_space(inode, nr, 0) == NO_QUOTA) {
 			unlock_kernel();
 			return 1;
 		}
 	}
 	else
-		inode->i_blocks += nr << (inode->i_sb->s_blocksize_bits - 9);
+		inode_add_bytes(inode, nr);
 	unlock_kernel();
 	return 0;
 }
 
-static __inline__ int DQUOT_ALLOC_BLOCK(struct inode *inode, int nr)
+static __inline__ int DQUOT_ALLOC_SPACE(struct inode *inode, qsize_t nr)
 {
 	int ret;
-	if (!(ret = DQUOT_ALLOC_BLOCK_NODIRTY(inode, nr)))
+	if (!(ret = DQUOT_ALLOC_SPACE_NODIRTY(inode, nr)))
 		mark_inode_dirty(inode);
 	return ret;
 }
@@ -121,19 +126,19 @@
 	return 0;
 }
 
-static __inline__ void DQUOT_FREE_BLOCK_NODIRTY(struct inode *inode, int nr)
+static __inline__ void DQUOT_FREE_SPACE_NODIRTY(struct inode *inode, qsize_t nr)
 {
 	lock_kernel();
 	if (sb_any_quota_enabled(inode->i_sb))
-		inode->i_sb->dq_op->free_block(inode, fs_to_dq_blocks(nr, inode->i_sb->s_blocksize));
+		inode->i_sb->dq_op->free_space(inode, nr);
 	else
-		inode->i_blocks -= nr << (inode->i_sb->s_blocksize_bits - 9);
+		inode_sub_bytes(inode, nr);
 	unlock_kernel();
 }
 
-static __inline__ void DQUOT_FREE_BLOCK(struct inode *inode, int nr)
+static __inline__ void DQUOT_FREE_SPACE(struct inode *inode, qsize_t nr)
 {
-	DQUOT_FREE_BLOCK_NODIRTY(inode, nr);
+	DQUOT_FREE_SPACE_NODIRTY(inode, nr);
 	mark_inode_dirty(inode);
 }
 
@@ -159,63 +164,86 @@
 	return 0;
 }
 
-#define DQUOT_SYNC(dev)	sync_dquots(dev, -1)
-#define DQUOT_OFF(sb)	quota_off(sb, -1)
+#define DQUOT_SYNC_DEV(dev)	sync_dquots_dev(dev, -1)
+#define DQUOT_SYNC_SB(sb)	sync_dquots_sb(sb, -1)
+
+static __inline__ int DQUOT_OFF(struct super_block *sb)
+{
+	int ret = -ENOSYS;
+
+	lock_kernel();
+	if (sb->s_qcop && sb->s_qcop->quota_off)
+		ret = sb->s_qcop->quota_off(sb, -1);
+	unlock_kernel();
+	return ret;
+}
 
 #else
 
 /*
  * NO-OP when quota not configured.
  */
+#define sb_dquot_ops				(NULL)
+#define sb_quotactl_ops				(NULL)
+#define sync_dquots_dev(dev, type)		do { } while(0)
 #define DQUOT_INIT(inode)			do { } while(0)
 #define DQUOT_DROP(inode)			do { } while(0)
 #define DQUOT_ALLOC_INODE(inode)		(0)
 #define DQUOT_FREE_INODE(inode)			do { } while(0)
-#define DQUOT_SYNC(dev)				do { } while(0)
+#define DQUOT_SYNC_DEV(dev)			do { } while(0)
+#define DQUOT_SYNC_SB(sb)			do { } while(0)
 #define DQUOT_OFF(sb)				do { } while(0)
 #define DQUOT_TRANSFER(inode, iattr)		(0)
-extern __inline__ int DQUOT_PREALLOC_BLOCK_NODIRTY(struct inode *inode, int nr)
+extern __inline__ int DQUOT_PREALLOC_SPACE_NODIRTY(struct inode *inode, qsize_t nr)
 {
 	lock_kernel();
-	inode->i_blocks += nr << (inode->i_sb->s_blocksize_bits - 9);
+	inode_add_bytes(inode, nr);
 	unlock_kernel();
 	return 0;
 }
 
-extern __inline__ int DQUOT_PREALLOC_BLOCK(struct inode *inode, int nr)
+extern __inline__ int DQUOT_PREALLOC_SPACE(struct inode *inode, qsize_t nr)
 {
-	DQUOT_PREALLOC_BLOCK_NODIRTY(inode, nr);
+	DQUOT_PREALLOC_SPACE_NODIRTY(inode, nr);
 	mark_inode_dirty(inode);
 	return 0;
 }
 
-extern __inline__ int DQUOT_ALLOC_BLOCK_NODIRTY(struct inode *inode, int nr)
+extern __inline__ int DQUOT_ALLOC_SPACE_NODIRTY(struct inode *inode, qsize_t nr)
 {
 	lock_kernel();
-	inode->i_blocks += nr << (inode->i_sb->s_blocksize_bits - 9);
+	inode_add_bytes(inode, nr);
 	unlock_kernel();
 	return 0;
 }
 
-extern __inline__ int DQUOT_ALLOC_BLOCK(struct inode *inode, int nr)
+extern __inline__ int DQUOT_ALLOC_SPACE(struct inode *inode, qsize_t nr)
 {
-	DQUOT_ALLOC_BLOCK_NODIRTY(inode, nr);
+	DQUOT_ALLOC_SPACE_NODIRTY(inode, nr);
 	mark_inode_dirty(inode);
 	return 0;
 }
 
-extern __inline__ void DQUOT_FREE_BLOCK_NODIRTY(struct inode *inode, int nr)
+extern __inline__ void DQUOT_FREE_SPACE_NODIRTY(struct inode *inode, qsize_t nr)
 {
 	lock_kernel();
-	inode->i_blocks -= nr << (inode->i_sb->s_blocksize_bits - 9);
+	inode_sub_bytes(inode, nr);
 	unlock_kernel();
 }
 
-extern __inline__ void DQUOT_FREE_BLOCK(struct inode *inode, int nr)
+extern __inline__ void DQUOT_FREE_SPACE(struct inode *inode, qsize_t nr)
 {
-	DQUOT_FREE_BLOCK_NODIRTY(inode, nr);
+	DQUOT_FREE_SPACE_NODIRTY(inode, nr);
 	mark_inode_dirty(inode);
 }	
 
 #endif /* CONFIG_QUOTA */
+
+#define DQUOT_PREALLOC_BLOCK_NODIRTY(inode, nr)	DQUOT_PREALLOC_SPACE_NODIRTY(inode, ((qsize_t)(nr)) << (inode)->i_sb->s_blocksize_bits)
+#define DQUOT_PREALLOC_BLOCK(inode, nr)	DQUOT_PREALLOC_SPACE(inode, ((qsize_t)(nr)) << (inode)->i_sb->s_blocksize_bits)
+#define DQUOT_ALLOC_BLOCK_NODIRTY(inode, nr) DQUOT_ALLOC_SPACE_NODIRTY(inode, ((qsize_t)(nr)) << (inode)->i_sb->s_blocksize_bits)
+#define DQUOT_ALLOC_BLOCK(inode, nr) DQUOT_ALLOC_SPACE(inode, ((qsize_t)(nr)) << (inode)->i_sb->s_blocksize_bits)
+#define DQUOT_FREE_BLOCK_NODIRTY(inode, nr) DQUOT_FREE_SPACE_NODIRTY(inode, ((qsize_t)(nr)) << (inode)->i_sb->s_blocksize_bits)
+#define DQUOT_FREE_BLOCK(inode, nr) DQUOT_FREE_SPACE(inode, ((qsize_t)(nr)) << (inode)->i_sb->s_blocksize_bits)
+
 #endif /* _LINUX_QUOTAOPS_ */