Re: [PATCH] mm: fix page_mkclean_one

[Andrei Popa]

I have corrupted files...

> ---
> diff --git a/fs/buffer.c b/fs/buffer.c
> index 263f88e..4652ef1 100644
> --- a/fs/buffer.c
> +++ b/fs/buffer.c
> @@ -1653,19 +1653,7 @@ static int __block_write_full_page(struct inode *inode, struct page *page,
>  	do {
>  		if (!buffer_mapped(bh))
>  			continue;
> -		/*
> -		 * If it's a fully non-blocking write attempt and we cannot
> -		 * lock the buffer then redirty the page.  Note that this can
> -		 * potentially cause a busy-wait loop from pdflush and kswapd
> -		 * activity, but those code paths have their own higher-level
> -		 * throttling.
> -		 */
> -		if (wbc->sync_mode != WB_SYNC_NONE || !wbc->nonblocking) {
> -			lock_buffer(bh);
> -		} else if (test_set_buffer_locked(bh)) {
> -			redirty_page_for_writepage(wbc, page);
> -			continue;
> -		}
> +		lock_buffer(bh);
>  		if (test_clear_buffer_dirty(bh)) {
>  			mark_buffer_async_write(bh);
>  		} else {

-
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