Merge from vendor branch Linux:

Import of Linux 2.2.12 subset (ipv4 stack and related)

1 files changed, 135 insertions, 0 deletions

diff --git a/pfinet/linux-src/include/linux/quotaops.h b/pfinet/linux-src/include/linux/quotaops.h
new file mode 100644
index 00000000..8de13430
--- /dev/null
+++ b/pfinet/linux-src/include/linux/quotaops.h
@@ -0,0 +1,135 @@
+/*
+ * Definitions for diskquota-operations. When diskquota is configured these
+ * macros expand to the right source-code.
+ *
+ * Author:  Marco van Wieringen <mvw@planets.elm.net>
+ *
+ * Version: $Id: quotaops.h,v 1.2 1998/01/15 16:22:26 ecd Exp $
+ *
+ */
+#ifndef _LINUX_QUOTAOPS_
+#define _LINUX_QUOTAOPS_
+
+#include <linux/config.h>
+
+#if defined(CONFIG_QUOTA)
+
+/*
+ * declaration of quota_function calls in kernel.
+ */
+extern void dquot_initialize(struct inode *inode, short type);
+extern void dquot_drop(struct inode *inode);
+extern void invalidate_dquots(kdev_t dev, short type);
+extern int  quota_off(kdev_t dev, short type);
+extern int  sync_dquots(kdev_t dev, short type);
+
+extern int  dquot_alloc_block(const struct inode *inode, unsigned long number,
+                              uid_t initiator, char warn);
+extern int  dquot_alloc_inode(const struct inode *inode, unsigned long number,
+                              uid_t initiator);
+
+extern void dquot_free_block(const struct inode *inode, unsigned long number);
+extern void dquot_free_inode(const struct inode *inode, unsigned long number);
+
+extern int  dquot_transfer(struct dentry *dentry, struct iattr *iattr,
+                           uid_t initiator);
+
+/*
+ * Operations supported for diskquotas.
+ */
+extern __inline__ void DQUOT_INIT(struct inode *inode)
+{
+	if (inode->i_sb && inode->i_sb->dq_op)
+		inode->i_sb->dq_op->initialize(inode, -1);
+}
+
+extern __inline__ void DQUOT_DROP(struct inode *inode)
+{
+	if (IS_QUOTAINIT(inode)) {
+		if (inode->i_sb && inode->i_sb->dq_op)
+			inode->i_sb->dq_op->drop(inode);
+	}
+}
+
+extern __inline__ int DQUOT_PREALLOC_BLOCK(struct super_block *sb, const struct inode *inode, int nr)
+{
+	if (sb->dq_op) {
+		if (sb->dq_op->alloc_block(inode, fs_to_dq_blocks(nr, sb->s_blocksize),
+					   current->fsuid, 0) == NO_QUOTA)
+			return 1;
+	}
+	return 0;
+}
+
+extern __inline__ int DQUOT_ALLOC_BLOCK(struct super_block *sb, const struct inode *inode, int nr)
+{
+	if (sb->dq_op) {
+		if (sb->dq_op->alloc_block(inode, fs_to_dq_blocks(nr, sb->s_blocksize),
+					   current->fsuid, 1) == NO_QUOTA)
+			return 1;
+	}
+	return 0;
+}
+
+extern __inline__ int DQUOT_ALLOC_INODE(struct super_block *sb, struct inode *inode)
+{
+	if (sb->dq_op) {
+		sb->dq_op->initialize (inode, -1);
+		if (sb->dq_op->alloc_inode (inode, 1, current->fsuid))
+			return 1;
+	}
+	inode->i_flags |= S_QUOTA;
+	return 0;
+}
+
+extern __inline__ void DQUOT_FREE_BLOCK(struct super_block *sb, const struct inode *inode, int nr)
+{
+	if (sb->dq_op)
+		sb->dq_op->free_block(inode, fs_to_dq_blocks(nr, sb->s_blocksize));
+}
+
+extern __inline__ void DQUOT_FREE_INODE(struct super_block *sb, struct inode *inode)
+{
+	if (sb->dq_op)
+		sb->dq_op->free_inode(inode, 1);
+}
+
+extern __inline__ int DQUOT_TRANSFER(struct dentry *dentry, struct iattr *iattr)
+{
+	int error = -EDQUOT;
+
+	if (dentry->d_inode->i_sb->dq_op) {
+		if (IS_QUOTAINIT(dentry->d_inode) == 0)
+			dentry->d_inode->i_sb->dq_op->initialize(dentry->d_inode, -1);
+		error = dentry->d_inode->i_sb->dq_op->transfer(dentry, iattr, current->fsuid);
+	} else {
+		error = notify_change(dentry, iattr);
+	}
+	return error;
+}
+
+#define DQUOT_SYNC(dev)	sync_dquots(dev, -1)
+#define DQUOT_OFF(dev)	quota_off(dev, -1)
+
+#else
+
+/*
+ * NO-OP when quota not configured.
+ */
+#define DQUOT_INIT(inode)			do { } while(0)
+#define DQUOT_DROP(inode)			do { } while(0)
+#define DQUOT_PREALLOC_BLOCK(sb, inode, nr)	(0)
+#define DQUOT_ALLOC_BLOCK(sb, inode, nr)	(0)
+#define DQUOT_ALLOC_INODE(sb, inode)		(0)
+#define DQUOT_FREE_BLOCK(sb, inode, nr)		do { } while(0)
+#define DQUOT_FREE_INODE(sb, inode)		do { } while(0)
+#define DQUOT_SYNC(dev)				do { } while(0)
+#define DQUOT_OFF(dev)				do { } while(0)
+
+/*
+ * Special case expands to a simple notify_change.
+ */
+#define DQUOT_TRANSFER(dentry, iattr) notify_change(dentry, iattr)
+
+#endif /* CONFIG_QUOTA */
+#endif /* _LINUX_QUOTAOPS_ */