--- linux-2.6.16-rc4/fs/ext2/ext2.h	2006-02-18 14:40:21 +0100
+++ linux-2.6.16-rc4-vs2.1.1-rc8/fs/ext2/ext2.h	2006-02-17 23:26:32 +0100
@@ -162,6 +162,7 @@ extern struct file_operations ext2_xip_f
 extern struct address_space_operations ext2_aops;
 extern struct address_space_operations ext2_aops_xip;
 extern struct address_space_operations ext2_nobh_aops;
+extern int ext2_sync_flags(struct inode *inode);
 
 /* namei.c */
 extern struct inode_operations ext2_dir_inode_operations;
--- linux-2.6.16-rc4/fs/ext2/file.c	2005-08-29 22:25:30 +0200
+++ linux-2.6.16-rc4-vs2.1.1-rc8/fs/ext2/file.c	2006-02-17 23:26:32 +0100
@@ -79,4 +80,5 @@ struct inode_operations ext2_file_inode_
 #endif
 	.setattr	= ext2_setattr,
 	.permission	= ext2_permission,
+	.sync_flags	= ext2_sync_flags,
 };
--- linux-2.6.16-rc4/fs/ext2/inode.c	2006-02-18 14:40:21 +0100
+++ linux-2.6.16-rc4-vs2.1.1-rc8/fs/ext2/inode.c	2006-02-17 23:26:32 +0100
@@ -1067,6 +1082,42 @@ *****
 		inode->i_flags |= S_DIRSYNC;
 }
 
+int ext2_sync_flags(struct inode *inode)
+{
+	unsigned int oldflags, newflags;
+
+	oldflags = EXT2_I(inode)->i_flags;
+	newflags = oldflags & ~(EXT2_APPEND_FL |
+		EXT2_IMMUTABLE_FL | EXT2_IUNLINK_FL |
+		EXT2_BARRIER_FL | EXT2_NOATIME_FL |
+		EXT2_SYNC_FL | EXT2_DIRSYNC_FL);
+
+	if (IS_APPEND(inode))
+		newflags |= EXT2_APPEND_FL;
+	if (IS_IMMUTABLE(inode))
+		newflags |= EXT2_IMMUTABLE_FL;
+	if (IS_IUNLINK(inode))
+		newflags |= EXT2_IUNLINK_FL;
+	if (IS_BARRIER(inode))
+		newflags |= EXT2_BARRIER_FL;
+
+	/* we do not want to copy superblock flags */
+	if (inode->i_flags & S_NOATIME)
+		newflags |= EXT2_NOATIME_FL;
+	if (inode->i_flags & S_SYNC)
+		newflags |= EXT2_SYNC_FL;
+	if (inode->i_flags & S_DIRSYNC)
+		newflags |= EXT2_DIRSYNC_FL;
+
+	if (oldflags ^ newflags) {
+		EXT2_I(inode)->i_flags = newflags;
+		inode->i_ctime = CURRENT_TIME;
+		mark_inode_dirty(inode);
+	}
+
+	return 0;
+}
+
 void ext2_read_inode (struct inode * inode)
 {
 	struct ext2_inode_info *ei = EXT2_I(inode);
--- linux-2.6.16-rc4/fs/ext2/namei.c	2006-02-18 14:40:21 +0100
+++ linux-2.6.16-rc4-vs2.1.1-rc8/fs/ext2/namei.c	2006-02-17 23:26:32 +0100
@@ -407,6 +409,7 @@ struct inode_operations ext2_dir_inode_o
 #endif
 	.setattr	= ext2_setattr,
 	.permission	= ext2_permission,
+	.sync_flags	= ext2_sync_flags,
 };
 
 struct inode_operations ext2_special_inode_operations = {
--- linux-2.6.16-rc4/fs/ext2/namei.c	2006-02-18 14:40:21 +0100
+++ linux-2.6.16-rc4-vs2.1.1-rc8/fs/ext2/namei.c	2006-02-17 23:26:32 +0100
@@ -418,4 +421,5 @@ struct inode_operations ext2_special_ino
 #endif
 	.setattr	= ext2_setattr,
 	.permission	= ext2_permission,
+	.sync_flags	= ext2_sync_flags,
 };
--- linux-2.6.16-rc4/fs/ext2/symlink.c	2005-08-29 22:25:30 +0200
+++ linux-2.6.16-rc4-vs2.1.1-rc8/fs/ext2/symlink.c	2006-02-17 23:26:32 +0100
@@ -38,6 +38,7 @@ struct inode_operations ext2_symlink_ino
 	.listxattr	= ext2_listxattr,
 	.removexattr	= generic_removexattr,
 #endif
+	.sync_flags	= ext2_sync_flags,
 };
  
 struct inode_operations ext2_fast_symlink_inode_operations = {
--- linux-2.6.16-rc4/fs/ext2/symlink.c	2005-08-29 22:25:30 +0200
+++ linux-2.6.16-rc4-vs2.1.1-rc8/fs/ext2/symlink.c	2006-02-17 23:26:32 +0100
@@ -49,4 +50,5 @@ struct inode_operations ext2_fast_symlin
 	.listxattr	= ext2_listxattr,
 	.removexattr	= generic_removexattr,
 #endif
+	.sync_flags	= ext2_sync_flags,
 };
--- linux-2.6.16-rc4/fs/ext3/file.c	2005-08-29 22:25:30 +0200
+++ linux-2.6.16-rc4-vs2.1.1-rc8/fs/ext3/file.c	2006-02-17 23:26:32 +0100
@@ -131,5 +132,6 @@ struct inode_operations ext3_file_inode_
 	.removexattr	= generic_removexattr,
 #endif
 	.permission	= ext3_permission,
+	.sync_flags	= ext3_sync_flags,
 };
 
--- linux-2.6.16-rc4/fs/ext3/inode.c	2006-02-18 14:40:22 +0100
+++ linux-2.6.16-rc4-vs2.1.1-rc8/fs/ext3/inode.c	2006-02-17 23:26:32 +0100
@@ -2436,6 +2451,57 @@ *****
 		inode->i_flags |= S_DIRSYNC;
 }
 
+int ext3_sync_flags(struct inode *inode)
+{
+	unsigned int oldflags, newflags;
+	int err = 0;
+
+	oldflags = EXT3_I(inode)->i_flags;
+	newflags = oldflags & ~(EXT3_APPEND_FL |
+		EXT3_IMMUTABLE_FL | EXT3_IUNLINK_FL |
+		EXT3_BARRIER_FL | EXT3_NOATIME_FL |
+		EXT3_SYNC_FL | EXT3_DIRSYNC_FL);
+
+	if (IS_APPEND(inode))
+		newflags |= EXT3_APPEND_FL;
+	if (IS_IMMUTABLE(inode))
+		newflags |= EXT3_IMMUTABLE_FL;
+	if (IS_IUNLINK(inode))
+		newflags |= EXT3_IUNLINK_FL;
+	if (IS_BARRIER(inode))
+		newflags |= EXT3_BARRIER_FL;
+
+	/* we do not want to copy superblock flags */
+	if (inode->i_flags & S_NOATIME)
+		newflags |= EXT3_NOATIME_FL;
+	if (inode->i_flags & S_SYNC)
+		newflags |= EXT3_SYNC_FL;
+	if (inode->i_flags & S_DIRSYNC)
+		newflags |= EXT3_DIRSYNC_FL;
+
+	if (oldflags ^ newflags) {
+		handle_t *handle;
+		struct ext3_iloc iloc;
+
+		handle = ext3_journal_start(inode, 1);
+		if (IS_ERR(handle))
+			return PTR_ERR(handle);
+		if (IS_SYNC(inode))
+			handle->h_sync = 1;
+		err = ext3_reserve_inode_write(handle, inode, &iloc);
+		if (err)
+			goto flags_err;
+
+		EXT3_I(inode)->i_flags = newflags;
+		inode->i_ctime = CURRENT_TIME;
+
+		err = ext3_mark_iloc_dirty(handle, inode, &iloc);
+	flags_err:
+		ext3_journal_stop(handle);
+	}
+	return err;
+}
+
 void ext3_read_inode(struct inode * inode)
 {
 	struct ext3_iloc iloc;
--- linux-2.6.16-rc4/fs/ext3/namei.c	2006-02-18 14:40:22 +0100
+++ linux-2.6.16-rc4-vs2.1.1-rc8/fs/ext3/namei.c	2006-02-17 23:26:32 +0100
@@ -2372,6 +2374,7 @@ struct inode_operations ext3_dir_inode_o
 	.removexattr	= generic_removexattr,
 #endif
 	.permission	= ext3_permission,
+	.sync_flags	= ext3_sync_flags,
 };
 
 struct inode_operations ext3_special_inode_operations = {
--- linux-2.6.16-rc4/fs/ext3/namei.c	2006-02-18 14:40:22 +0100
+++ linux-2.6.16-rc4-vs2.1.1-rc8/fs/ext3/namei.c	2006-02-17 23:26:32 +0100
@@ -2383,4 +2386,5 @@ struct inode_operations ext3_special_ino
 	.removexattr	= generic_removexattr,
 #endif
 	.permission	= ext3_permission,
+	.sync_flags	= ext3_sync_flags,
 }; 
--- linux-2.6.16-rc4/fs/ext3/symlink.c	2005-08-29 22:25:30 +0200
+++ linux-2.6.16-rc4-vs2.1.1-rc8/fs/ext3/symlink.c	2006-02-17 23:26:32 +0100
@@ -40,6 +40,7 @@ struct inode_operations ext3_symlink_ino
 	.listxattr	= ext3_listxattr,
 	.removexattr	= generic_removexattr,
 #endif
+	.sync_flags	= ext3_sync_flags,
 };
 
 struct inode_operations ext3_fast_symlink_inode_operations = {
--- linux-2.6.16-rc4/fs/ext3/symlink.c	2005-08-29 22:25:30 +0200
+++ linux-2.6.16-rc4-vs2.1.1-rc8/fs/ext3/symlink.c	2006-02-17 23:26:32 +0100
@@ -51,4 +52,5 @@ struct inode_operations ext3_fast_symlin
 	.listxattr	= ext3_listxattr,
 	.removexattr	= generic_removexattr,
 #endif
+	.sync_flags	= ext3_sync_flags,
 };
--- linux-2.6.16-rc4/fs/reiserfs/file.c	2006-02-18 14:40:26 +0100
+++ linux-2.6.16-rc4-vs2.1.1-rc8/fs/reiserfs/file.c	2006-02-17 23:26:32 +0100
@@ -1586,4 +1587,5 @@ struct inode_operations reiserfs_file_in
 	.listxattr = reiserfs_listxattr,
 	.removexattr = reiserfs_removexattr,
 	.permission = reiserfs_permission,
+	.sync_flags = reiserfs_sync_flags,
 };
--- linux-2.6.16-rc4/fs/reiserfs/inode.c	2006-02-18 14:40:26 +0100
+++ linux-2.6.16-rc4-vs2.1.1-rc8/fs/reiserfs/inode.c	2006-02-17 23:26:32 +0100
@@ -2904,6 +2940,22 @@ static ssize_t reiserfs_direct_IO(int rw
 				  reiserfs_get_blocks_direct_io, NULL);
 }
 
+int reiserfs_sync_flags(struct inode *inode)
+{
+	u16 oldflags, newflags;
+
+	oldflags = REISERFS_I(inode)->i_attrs;
+	newflags = oldflags;
+	i_attrs_to_sd_attrs(inode, &newflags);
+
+	if (oldflags ^ newflags) {
+		REISERFS_I(inode)->i_attrs = newflags;
+		inode->i_ctime = CURRENT_TIME_SEC;
+		mark_inode_dirty(inode);
+	}
+	return 0;
+}
+
 int reiserfs_setattr(struct dentry *dentry, struct iattr *attr)
 {
 	struct inode *inode = dentry->d_inode;
--- linux-2.6.16-rc4/fs/reiserfs/namei.c	2006-02-18 14:40:26 +0100
+++ linux-2.6.16-rc4-vs2.1.1-rc8/fs/reiserfs/namei.c	2006-02-17 23:26:32 +0100
@@ -1546,6 +1549,7 @@ struct inode_operations reiserfs_dir_ino
 	.listxattr = reiserfs_listxattr,
 	.removexattr = reiserfs_removexattr,
 	.permission = reiserfs_permission,
+	.sync_flags = reiserfs_sync_flags,
 };
 
 /*
--- linux-2.6.16-rc4/fs/reiserfs/namei.c	2006-02-18 14:40:26 +0100
+++ linux-2.6.16-rc4-vs2.1.1-rc8/fs/reiserfs/namei.c	2006-02-17 23:26:32 +0100
@@ -1562,6 +1566,7 @@ struct inode_operations reiserfs_symlink
 	.listxattr = reiserfs_listxattr,
 	.removexattr = reiserfs_removexattr,
 	.permission = reiserfs_permission,
+	.sync_flags = reiserfs_sync_flags,
 
 };
 
--- linux-2.6.16-rc4/fs/reiserfs/namei.c	2006-02-18 14:40:26 +0100
+++ linux-2.6.16-rc4-vs2.1.1-rc8/fs/reiserfs/namei.c	2006-02-17 23:26:32 +0100
@@ -1575,5 +1580,6 @@ struct inode_operations reiserfs_special
 	.listxattr = reiserfs_listxattr,
 	.removexattr = reiserfs_removexattr,
 	.permission = reiserfs_permission,
+	.sync_flags = reiserfs_sync_flags,
 
 };
--- linux-2.6.16-rc4/fs/xfs/linux-2.6/xfs_iops.c	2006-02-18 14:40:27 +0100
+++ linux-2.6.16-rc4-vs2.1.1-rc8/fs/xfs/linux-2.6/xfs_iops.c	2006-02-17 23:26:32 +0100
@@ -646,6 +648,41 @@ linvfs_getattr(
 }
 
 STATIC int
+linvfs_sync_flags(struct inode *inode)
+{
+	unsigned int oldflags, newflags;
+	vattr_t		vattr;
+	int		flags = 0;
+	int		error;
+	vnode_t		*vp = LINVFS_GET_VP(inode);
+
+	memset(&vattr, 0, sizeof(vattr_t));
+
+	vattr.va_mask = XFS_AT_XFLAGS;
+	VOP_GETATTR(vp, &vattr, 0, NULL, error);
+	if (error)
+		return error;
+	oldflags = vattr.va_xflags;
+	newflags = oldflags & ~(XFS_XFLAG_IMMUTABLE |
+		XFS_XFLAG_IUNLINK | XFS_XFLAG_BARRIER);
+
+	if (IS_IMMUTABLE(inode))
+		newflags |= XFS_XFLAG_IMMUTABLE;
+	if (IS_IUNLINK(inode))
+		newflags |= XFS_XFLAG_IUNLINK;
+	if (IS_BARRIER(inode))
+		newflags |= XFS_XFLAG_BARRIER;
+
+	if (oldflags ^ newflags) {
+		vattr.va_xflags = newflags;
+		vattr.va_mask |= XFS_AT_XFLAGS;
+		VOP_SETATTR(vp, &vattr, flags, NULL, error);
+	}
+	vn_revalidate(vp);
+	return error;
+}
+
+STATIC int
 linvfs_setattr(
 	struct dentry	*dentry,
 	struct iattr	*attr)
--- linux-2.6.16-rc4/fs/xfs/linux-2.6/xfs_iops.c	2006-02-18 14:40:27 +0100
+++ linux-2.6.16-rc4-vs2.1.1-rc8/fs/xfs/linux-2.6/xfs_iops.c	2006-02-17 23:26:32 +0100
@@ -825,6 +870,7 @@ struct inode_operations linvfs_file_inod
 	.getxattr		= linvfs_getxattr,
 	.listxattr		= linvfs_listxattr,
 	.removexattr		= linvfs_removexattr,
+	.sync_flags		= linvfs_sync_flags,
 };
 
 struct inode_operations linvfs_dir_inode_operations = {
--- linux-2.6.16-rc4/fs/xfs/linux-2.6/xfs_iops.c	2006-02-18 14:40:27 +0100
+++ linux-2.6.16-rc4-vs2.1.1-rc8/fs/xfs/linux-2.6/xfs_iops.c	2006-02-17 23:26:32 +0100
@@ -844,6 +890,7 @@ struct inode_operations linvfs_dir_inode
 	.getxattr		= linvfs_getxattr,
 	.listxattr		= linvfs_listxattr,
 	.removexattr		= linvfs_removexattr,
+	.sync_flags		= linvfs_sync_flags,
 };
 
 struct inode_operations linvfs_symlink_inode_operations = {
--- linux-2.6.16-rc4/fs/xfs/linux-2.6/xfs_iops.c	2006-02-18 14:40:27 +0100
+++ linux-2.6.16-rc4-vs2.1.1-rc8/fs/xfs/linux-2.6/xfs_iops.c	2006-02-17 23:26:32 +0100
@@ -857,4 +904,5 @@ struct inode_operations linvfs_symlink_i
 	.getxattr		= linvfs_getxattr,
 	.listxattr		= linvfs_listxattr,
 	.removexattr		= linvfs_removexattr,
+	.sync_flags		= linvfs_sync_flags,
 };
--- linux-2.6.16-rc4/include/linux/ext3_fs.h	2005-10-28 20:49:54 +0200
+++ linux-2.6.16-rc4-vs2.1.1-rc8/include/linux/ext3_fs.h	2006-02-17 23:26:32 +0100
@@ -775,6 +787,7 @@ extern unsigned long ext3_count_free (st
 extern int ext3_forget(handle_t *, int, struct inode *, struct buffer_head *, int);
 extern struct buffer_head * ext3_getblk (handle_t *, struct inode *, long, int, int *);
 extern struct buffer_head * ext3_bread (handle_t *, struct inode *, int, int, int *);
+extern int ext3_sync_flags(struct inode *inode);
 
 extern void ext3_read_inode (struct inode *);
 extern int  ext3_write_inode (struct inode *, int);
--- linux-2.6.16-rc4/include/linux/fs.h	2006-02-18 14:40:32 +0100
+++ linux-2.6.16-rc4-vs2.1.1-rc8/include/linux/fs.h	2006-02-17 23:26:32 +0100
@@ -1048,6 +1068,7 @@ struct inode_operations {
 	ssize_t (*listxattr) (struct dentry *, char *, size_t);
 	int (*removexattr) (struct dentry *, const char *);
 	void (*truncate_range)(struct inode *, loff_t, loff_t);
+	int (*sync_flags) (struct inode *);
 };
 
 struct seq_file;
--- linux-2.6.16-rc4/include/linux/reiserfs_fs.h	2006-02-18 14:40:35 +0100
+++ linux-2.6.16-rc4-vs2.1.1-rc8/include/linux/reiserfs_fs.h	2006-02-17 23:26:32 +0100
@@ -1904,6 +1916,7 @@ static inline void reiserfs_update_sd(st
 void sd_attrs_to_i_attrs(__u16 sd_attrs, struct inode *inode);
 void i_attrs_to_sd_attrs(struct inode *inode, __u16 * sd_attrs);
 int reiserfs_setattr(struct dentry *dentry, struct iattr *attr);
+int reiserfs_sync_flags(struct inode *inode);
 
 /* namei.c */
 void set_de_name_and_namelen(struct reiserfs_dir_entry *de);