--- /export/xfs2/XFS/linux-2.4.19/linux/include/linux/fs.h	2002-08-02 19:39:45.000000000 -0500
+++ linux/include/linux/fs.h	2002-12-04 15:44:35.000000000 -0600
@@ -1477,6 +1477,7 @@
 extern int file_read_actor(read_descriptor_t * desc, struct page *page, unsigned long offset, unsigned long size);
 extern ssize_t generic_file_read(struct file *, char *, size_t, loff_t *);
 extern ssize_t generic_file_write(struct file *, const char *, size_t, loff_t *);
+extern ssize_t generic_file_write_nolock(struct file *, const char *, size_t, loff_t *);
 extern void do_generic_file_read(struct file *, loff_t *, read_descriptor_t *, read_actor_t);
 extern loff_t no_llseek(struct file *file, loff_t offset, int origin);
 extern loff_t generic_file_llseek(struct file *file, loff_t offset, int origin);
--- /export/xfs2/XFS/linux-2.4.19/linux/kernel/ksyms.c	2002-08-02 19:39:46.000000000 -0500
+++ linux/kernel/ksyms.c	2002-11-21 10:11:54.000000000 -0600
@@ -226,6 +243,7 @@
 EXPORT_SYMBOL(generic_file_read);
 EXPORT_SYMBOL(do_generic_file_read);
 EXPORT_SYMBOL(generic_file_write);
+EXPORT_SYMBOL(generic_file_write_nolock);
 EXPORT_SYMBOL(generic_file_mmap);
 EXPORT_SYMBOL(generic_ro_fops);
 EXPORT_SYMBOL(generic_buffer_fdatasync);
--- /export/xfs2/XFS/linux-2.4.19/linux/mm/filemap.c	2002-08-02 19:39:46.000000000 -0500
+++ linux/mm/filemap.c	2002-09-25 18:34:15.000000000 -0500
@@ -2924,8 +2924,8 @@
  * file system has to do this all by itself, unfortunately.
  *							okir@monad.swb.de
  */
-ssize_t
-generic_file_write(struct file *file,const char *buf,size_t count, loff_t *ppos)
+ssize_t generic_file_write_nolock(struct file * file, const char *buf,
+				  size_t count, loff_t *ppos)
 {
 	struct address_space *mapping = file->f_dentry->d_inode->i_mapping;
 	struct inode	*inode = mapping->host;
@@ -2945,8 +2945,6 @@
 
 	cached_page = NULL;
 
-	down(&inode->i_sem);
-
 	pos = *ppos;
 	err = -EINVAL;
 	if (pos < 0)
@@ -3133,7 +3131,6 @@
 	err = written ? written : status;
 out:
 
-	up(&inode->i_sem);
 	return err;
 fail_write:
 	status = -EFAULT;
@@ -3171,6 +3159,19 @@
 	goto out_status;
 }
 
+ssize_t generic_file_write(struct file *file, const char *buf,
+			   size_t count, loff_t *ppos)
+{
+	struct inode	*inode = file->f_dentry->d_inode->i_mapping->host;
+	int		err;
+
+	down(&inode->i_sem);
+	err = generic_file_write_nolock(file, buf, count, ppos);
+	up(&inode->i_sem);
+
+	return err;
+}
+
 void __init page_cache_init(unsigned long mempages)
 {
 	unsigned long htable_size, order;