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* [PATCH] fix double sync_page_range() in generic_file_aio_write()
@ 2005-01-04 14:39 Oleg Nesterov
  2005-01-07  7:10 ` Suparna Bhattacharya
  0 siblings, 1 reply; 2+ messages in thread
From: Oleg Nesterov @ 2005-01-04 14:39 UTC (permalink / raw)
  To: linux-kernel; +Cc: Suparna Bhattacharya, Andrew Morton, Linus Torvalds

Hello.

generic_file_aio_write():
	generic_file_aio_write_nolock():
		if (SYNC) sync_page_range_nolock();
	if (SYNC) sync_page_range();

I think that generic_file_aio_write() should use
__generic_file_aio_write_nolock() instead.

Oleg.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>

--- 2.6.10/mm/filemap.c~	2004-11-15 17:12:21.000000000 +0300
+++ 2.6.10/mm/filemap.c	2005-01-04 20:20:42.068803912 +0300
@@ -2149,7 +2149,7 @@ ssize_t generic_file_aio_write(struct ki
 	BUG_ON(iocb->ki_pos != pos);
 
 	down(&inode->i_sem);
-	ret = generic_file_aio_write_nolock(iocb, &local_iov, 1,
+	ret = __generic_file_aio_write_nolock(iocb, &local_iov, 1,
 						&iocb->ki_pos);
 	up(&inode->i_sem);

^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [PATCH] fix double sync_page_range() in generic_file_aio_write()
  2005-01-04 14:39 [PATCH] fix double sync_page_range() in generic_file_aio_write() Oleg Nesterov
@ 2005-01-07  7:10 ` Suparna Bhattacharya
  0 siblings, 0 replies; 2+ messages in thread
From: Suparna Bhattacharya @ 2005-01-07  7:10 UTC (permalink / raw)
  To: Oleg Nesterov; +Cc: linux-kernel, Andrew Morton, Linus Torvalds


Sorry I missed this one - Thanks for spotting it !

Regards
Suparna

On Tue, Jan 04, 2005 at 05:39:15PM +0300, Oleg Nesterov wrote:
> Hello.
> 
> generic_file_aio_write():
> 	generic_file_aio_write_nolock():
> 		if (SYNC) sync_page_range_nolock();
> 	if (SYNC) sync_page_range();
> 
> I think that generic_file_aio_write() should use
> __generic_file_aio_write_nolock() instead.
> 
> Oleg.
> 
> Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
> 
> --- 2.6.10/mm/filemap.c~	2004-11-15 17:12:21.000000000 +0300
> +++ 2.6.10/mm/filemap.c	2005-01-04 20:20:42.068803912 +0300
> @@ -2149,7 +2149,7 @@ ssize_t generic_file_aio_write(struct ki
>  	BUG_ON(iocb->ki_pos != pos);
>  
>  	down(&inode->i_sem);
> -	ret = generic_file_aio_write_nolock(iocb, &local_iov, 1,
> +	ret = __generic_file_aio_write_nolock(iocb, &local_iov, 1,
>  						&iocb->ki_pos);
>  	up(&inode->i_sem);

-- 
Suparna Bhattacharya (suparna@in.ibm.com)
Linux Technology Center
IBM Software Lab, India


^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2005-01-07  7:01 UTC | newest]

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2005-01-04 14:39 [PATCH] fix double sync_page_range() in generic_file_aio_write() Oleg Nesterov
2005-01-07  7:10 ` Suparna Bhattacharya

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