[PATCH] remove superflous ctime/mtime updates in affs

Both AFFS and HPFS update the ctime and mtime in the write path, after
generic_file_write returned and marked the inode dirty.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

fs/affs/file.c

@@ -22,14 +22,13 @@ static int affs_grow_extcache(struct inode *inode, u32 lc_idx);
 static struct buffer_head *affs_alloc_extblock(struct inode *inode, struct buffer_head *bh, u32 ext);
 static inline struct buffer_head *affs_get_extblock(struct inode *inode, u32 ext);
 static struct buffer_head *affs_get_extblock_slow(struct inode *inode, u32 ext);
-static ssize_t affs_file_write(struct file *filp, const char __user *buf, size_t count, loff_t *ppos);
 static int affs_file_open(struct inode *inode, struct file *filp);
 static int affs_file_release(struct inode *inode, struct file *filp);
 
 struct file_operations affs_file_operations = {
 	.llseek		= generic_file_llseek,
 	.read		= generic_file_read,
-	.write		= affs_file_write,
+	.write		= generic_file_write,
 	.mmap		= generic_file_mmap,
 	.open		= affs_file_open,
 	.release	= affs_file_release,
@@ -473,21 +472,6 @@ affs_getemptyblk_ino(struct inode *inode, int block)
 	return ERR_PTR(err);
 }
 
-static ssize_t
-affs_file_write(struct file *file, const char __user *buf,
-		size_t count, loff_t *ppos)
-{
-	ssize_t retval;
-
-	retval = generic_file_write (file, buf, count, ppos);
-	if (retval >0) {
-		struct inode *inode = file->f_dentry->d_inode;
-		inode->i_ctime = inode->i_mtime = CURRENT_TIME_SEC;
-		mark_inode_dirty(inode);
-	}
-	return retval;
-}
-
 static int
 affs_do_readpage_ofs(struct file *file, struct page *page, unsigned from, unsigned to)
 {