take private bits of reiserfs_xattr.h to fs/reiserfs/xattr.h

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

10 files changed, 133 insertions, 9 deletions

diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c
index ace6350..e26ee49 100644
--- a/fs/reiserfs/file.c
+++ b/fs/reiserfs/file.c
@@ -5,7 +5,7 @@
 #include <linux/time.h>
 #include <linux/reiserfs_fs.h>
 #include <linux/reiserfs_acl.h>
-#include <linux/reiserfs_xattr.h>
+#include "xattr.h"
 #include <asm/uaccess.h>
 #include <linux/pagemap.h>
 #include <linux/swap.h>
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index 9e8cd5a..894c731 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -6,7 +6,7 @@
 #include <linux/fs.h>
 #include <linux/reiserfs_fs.h>
 #include <linux/reiserfs_acl.h>
-#include <linux/reiserfs_xattr.h>
+#include "xattr.h"
 #include <linux/exportfs.h>
 #include <linux/pagemap.h>
 #include <linux/highmem.h>
diff --git a/fs/reiserfs/namei.c b/fs/reiserfs/namei.c
index 1463788..cb67ebf 100644
--- a/fs/reiserfs/namei.c
+++ b/fs/reiserfs/namei.c
@@ -16,7 +16,7 @@
 #include <linux/slab.h>
 #include <linux/reiserfs_fs.h>
 #include <linux/reiserfs_acl.h>
-#include <linux/reiserfs_xattr.h>
+#include "xattr.h"
 #include <linux/quotaops.h>
 
 #define INC_DIR_INODE_NLINK(i) if (i->i_nlink != 1) { inc_nlink(i); if (i->i_nlink >= REISERFS_LINK_MAX) set_nlink(i, 1); }
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 208dfd1..a67fc7d 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -18,7 +18,7 @@
 #include <asm/uaccess.h>
 #include <linux/reiserfs_fs.h>
 #include <linux/reiserfs_acl.h>
-#include <linux/reiserfs_xattr.h>
+#include "xattr.h"
 #include <linux/init.h>
 #include <linux/blkdev.h>
 #include <linux/buffer_head.h>
diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c
index c24deda..ead5d8a 100644
--- a/fs/reiserfs/xattr.c
+++ b/fs/reiserfs/xattr.c
@@ -43,7 +43,7 @@
 #include <linux/file.h>
 #include <linux/pagemap.h>
 #include <linux/xattr.h>
-#include <linux/reiserfs_xattr.h>
+#include "xattr.h"
 #include <linux/reiserfs_acl.h>
 #include <asm/uaccess.h>
 #include <net/checksum.h>
diff --git a/fs/reiserfs/xattr.h b/fs/reiserfs/xattr.h
new file mode 100644
index 0000000..367c045
--- /dev/null
+++ b/fs/reiserfs/xattr.h
@@ -0,0 +1,124 @@
+#include <linux/reiserfs_xattr.h>
+#include <linux/init.h>
+#include <linux/list.h>
+#include <linux/rwsem.h>
+#include <linux/reiserfs_fs_i.h>
+#include <linux/reiserfs_fs.h>
+
+struct inode;
+struct dentry;
+struct iattr;
+struct super_block;
+struct nameidata;
+
+int reiserfs_xattr_register_handlers(void) __init;
+void reiserfs_xattr_unregister_handlers(void);
+int reiserfs_xattr_init(struct super_block *sb, int mount_flags);
+int reiserfs_lookup_privroot(struct super_block *sb);
+int reiserfs_delete_xattrs(struct inode *inode);
+int reiserfs_chown_xattrs(struct inode *inode, struct iattr *attrs);
+int reiserfs_permission(struct inode *inode, int mask);
+
+#ifdef CONFIG_REISERFS_FS_XATTR
+#define has_xattr_dir(inode) (REISERFS_I(inode)->i_flags & i_has_xattr_dir)
+ssize_t reiserfs_getxattr(struct dentry *dentry, const char *name,
+			  void *buffer, size_t size);
+int reiserfs_setxattr(struct dentry *dentry, const char *name,
+		      const void *value, size_t size, int flags);
+ssize_t reiserfs_listxattr(struct dentry *dentry, char *buffer, size_t size);
+int reiserfs_removexattr(struct dentry *dentry, const char *name);
+
+int reiserfs_xattr_get(struct inode *, const char *, void *, size_t);
+int reiserfs_xattr_set(struct inode *, const char *, const void *, size_t, int);
+int reiserfs_xattr_set_handle(struct reiserfs_transaction_handle *,
+			      struct inode *, const char *, const void *,
+			      size_t, int);
+
+extern const struct xattr_handler reiserfs_xattr_user_handler;
+extern const struct xattr_handler reiserfs_xattr_trusted_handler;
+extern const struct xattr_handler reiserfs_xattr_security_handler;
+#ifdef CONFIG_REISERFS_FS_SECURITY
+int reiserfs_security_init(struct inode *dir, struct inode *inode,
+			   const struct qstr *qstr,
+			   struct reiserfs_security_handle *sec);
+int reiserfs_security_write(struct reiserfs_transaction_handle *th,
+			    struct inode *inode,
+			    struct reiserfs_security_handle *sec);
+void reiserfs_security_free(struct reiserfs_security_handle *sec);
+#endif
+
+static inline int reiserfs_xattrs_initialized(struct super_block *sb)
+{
+	return REISERFS_SB(sb)->priv_root != NULL;
+}
+
+#define xattr_size(size) ((size) + sizeof(struct reiserfs_xattr_header))
+static inline loff_t reiserfs_xattr_nblocks(struct inode *inode, loff_t size)
+{
+	loff_t ret = 0;
+	if (reiserfs_file_data_log(inode)) {
+		ret = _ROUND_UP(xattr_size(size), inode->i_sb->s_blocksize);
+		ret >>= inode->i_sb->s_blocksize_bits;
+	}
+	return ret;
+}
+
+/* We may have to create up to 3 objects: xattr root, xattr dir, xattr file.
+ * Let's try to be smart about it.
+ * xattr root: We cache it. If it's not cached, we may need to create it.
+ * xattr dir: If anything has been loaded for this inode, we can set a flag
+ *            saying so.
+ * xattr file: Since we don't cache xattrs, we can't tell. We always include
+ *             blocks for it.
+ *
+ * However, since root and dir can be created between calls - YOU MUST SAVE
+ * THIS VALUE.
+ */
+static inline size_t reiserfs_xattr_jcreate_nblocks(struct inode *inode)
+{
+	size_t nblocks = JOURNAL_BLOCKS_PER_OBJECT(inode->i_sb);
+
+	if ((REISERFS_I(inode)->i_flags & i_has_xattr_dir) == 0) {
+		nblocks += JOURNAL_BLOCKS_PER_OBJECT(inode->i_sb);
+		if (!REISERFS_SB(inode->i_sb)->xattr_root->d_inode)
+			nblocks += JOURNAL_BLOCKS_PER_OBJECT(inode->i_sb);
+	}
+
+	return nblocks;
+}
+
+static inline void reiserfs_init_xattr_rwsem(struct inode *inode)
+{
+	init_rwsem(&REISERFS_I(inode)->i_xattr_sem);
+}
+
+#else
+
+#define reiserfs_getxattr NULL
+#define reiserfs_setxattr NULL
+#define reiserfs_listxattr NULL
+#define reiserfs_removexattr NULL
+
+static inline void reiserfs_init_xattr_rwsem(struct inode *inode)
+{
+}
+#endif  /*  CONFIG_REISERFS_FS_XATTR  */
+
+#ifndef CONFIG_REISERFS_FS_SECURITY
+static inline int reiserfs_security_init(struct inode *dir,
+					 struct inode *inode,
+					 const struct qstr *qstr,
+					 struct reiserfs_security_handle *sec)
+{
+	return 0;
+}
+static inline int
+reiserfs_security_write(struct reiserfs_transaction_handle *th,
+			struct inode *inode,
+			struct reiserfs_security_handle *sec)
+{
+	return 0;
+}
+static inline void reiserfs_security_free(struct reiserfs_security_handle *sec)
+{}
+#endif
diff --git a/fs/reiserfs/xattr_acl.c b/fs/reiserfs/xattr_acl.c
index 6da0396e..c0a8c51 100644
--- a/fs/reiserfs/xattr_acl.c
+++ b/fs/reiserfs/xattr_acl.c
@@ -7,7 +7,7 @@
 #include <linux/xattr.h>
 #include <linux/slab.h>
 #include <linux/posix_acl_xattr.h>
-#include <linux/reiserfs_xattr.h>
+#include "xattr.h"
 #include <linux/reiserfs_acl.h>
 #include <asm/uaccess.h>
 
diff --git a/fs/reiserfs/xattr_security.c b/fs/reiserfs/xattr_security.c
index 534668f..6104066 100644
--- a/fs/reiserfs/xattr_security.c
+++ b/fs/reiserfs/xattr_security.c
@@ -4,7 +4,7 @@
 #include <linux/pagemap.h>
 #include <linux/xattr.h>
 #include <linux/slab.h>
-#include <linux/reiserfs_xattr.h>
+#include "xattr.h"
 #include <linux/security.h>
 #include <asm/uaccess.h>
 
diff --git a/fs/reiserfs/xattr_trusted.c b/fs/reiserfs/xattr_trusted.c
index 9883736..f995b25 100644
--- a/fs/reiserfs/xattr_trusted.c
+++ b/fs/reiserfs/xattr_trusted.c
@@ -4,7 +4,7 @@
 #include <linux/fs.h>
 #include <linux/pagemap.h>
 #include <linux/xattr.h>
-#include <linux/reiserfs_xattr.h>
+#include "xattr.h"
 #include <asm/uaccess.h>
 
 static int
diff --git a/fs/reiserfs/xattr_user.c b/fs/reiserfs/xattr_user.c
index 45ae1a0..748978d 100644
--- a/fs/reiserfs/xattr_user.c
+++ b/fs/reiserfs/xattr_user.c
@@ -3,7 +3,7 @@
 #include <linux/fs.h>
 #include <linux/pagemap.h>
 #include <linux/xattr.h>
-#include <linux/reiserfs_xattr.h>
+#include "xattr.h"
 #include <asm/uaccess.h>
 
 static int