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From: Matthew Wilcox <willy@infradead.org>
To: "Pankaj Raghav (Samsung)" <kernel@pankajraghav.com>
Cc: linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	gost.dev@samsung.com, chandan.babu@oracle.com, hare@suse.de,
	mcgrof@kernel.org, djwong@kernel.org, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org, david@fromorbit.com,
	akpm@linux-foundation.org, Pankaj Raghav <p.raghav@samsung.com>
Subject: Re: [PATCH v3 04/11] readahead: rework loop in page_cache_ra_unbounded()
Date: Mon, 25 Mar 2024 18:41:01 +0000	[thread overview]
Message-ID: <ZgHFPZ9tNLLjKZpz@casper.infradead.org> (raw)
In-Reply-To: <20240313170253.2324812-5-kernel@pankajraghav.com>

On Wed, Mar 13, 2024 at 06:02:46PM +0100, Pankaj Raghav (Samsung) wrote:
> @@ -239,8 +239,8 @@ void page_cache_ra_unbounded(struct readahead_control *ractl,
>  			 * not worth getting one just for that.
>  			 */
>  			read_pages(ractl);
> -			ractl->_index++;
> -			i = ractl->_index + ractl->_nr_pages - index - 1;
> +			ractl->_index += folio_nr_pages(folio);
> +			i = ractl->_index + ractl->_nr_pages - index;
>  			continue;
>  		}
>  
> @@ -252,13 +252,14 @@ void page_cache_ra_unbounded(struct readahead_control *ractl,
>  			folio_put(folio);
>  			read_pages(ractl);
>  			ractl->_index++;
> -			i = ractl->_index + ractl->_nr_pages - index - 1;
> +			i = ractl->_index + ractl->_nr_pages - index;
>  			continue;
>  		}

You changed index++ in the first hunk, but not the second hunk.  Is that
intentional?


  reply	other threads:[~2024-03-25 18:41 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-13 17:02 [PATCH v3 00/11] enable bs > ps in XFS Pankaj Raghav (Samsung)
2024-03-13 17:02 ` [PATCH v3 01/11] mm: Support order-1 folios in the page cache Pankaj Raghav (Samsung)
2024-03-13 17:02 ` [PATCH v3 02/11] fs: Allow fine-grained control of folio sizes Pankaj Raghav (Samsung)
2024-03-25 18:29   ` Matthew Wilcox
2024-03-26  8:44     ` Pankaj Raghav (Samsung)
2024-03-13 17:02 ` [PATCH v3 03/11] filemap: allocate mapping_min_order folios in the page cache Pankaj Raghav (Samsung)
2024-03-15 13:21   ` Pankaj Raghav (Samsung)
2024-03-13 17:02 ` [PATCH v3 04/11] readahead: rework loop in page_cache_ra_unbounded() Pankaj Raghav (Samsung)
2024-03-25 18:41   ` Matthew Wilcox [this message]
2024-03-26  8:56     ` Pankaj Raghav (Samsung)
2024-03-26  9:39     ` Hannes Reinecke
2024-03-26  9:44       ` Pankaj Raghav
2024-03-26 10:00         ` Hannes Reinecke
2024-03-26 10:06           ` Pankaj Raghav
2024-03-26 10:55             ` Hannes Reinecke
2024-03-26 13:41               ` Pankaj Raghav (Samsung)
2024-03-26 15:11     ` Pankaj Raghav (Samsung)
2024-03-13 17:02 ` [PATCH v3 05/11] readahead: allocate folios with mapping_min_order in readahead Pankaj Raghav (Samsung)
2024-03-25 19:00   ` Matthew Wilcox
2024-03-26 13:08     ` Pankaj Raghav (Samsung)
2024-04-22 11:03     ` Pankaj Raghav (Samsung)
2024-03-13 17:02 ` [PATCH v3 06/11] readahead: round up file_ra_state->ra_pages to mapping_min_nrpages Pankaj Raghav (Samsung)
2024-03-13 17:02 ` [PATCH v3 07/11] mm: do not split a folio if it has minimum folio order requirement Pankaj Raghav (Samsung)
2024-03-25 19:06   ` Matthew Wilcox
2024-03-26 16:10     ` Pankaj Raghav (Samsung)
2024-03-26 16:23       ` Zi Yan
2024-03-26 16:33         ` Pankaj Raghav
2024-03-26 16:38           ` Zi Yan
2024-03-13 17:02 ` [PATCH v3 08/11] iomap: fix iomap_dio_zero() for fs bs > system page size Pankaj Raghav (Samsung)
2024-03-13 17:02 ` [PATCH v3 09/11] xfs: expose block size in stat Pankaj Raghav (Samsung)
2024-03-13 17:02 ` [PATCH v3 10/11] xfs: make the calculation generic in xfs_sb_validate_fsb_count() Pankaj Raghav (Samsung)
2024-03-25 19:15   ` Matthew Wilcox
2024-03-26  9:53     ` Pankaj Raghav (Samsung)
2024-03-13 17:02 ` [PATCH v3 11/11] xfs: enable block size larger than page size support Pankaj Raghav (Samsung)
2024-03-25 19:19 ` [PATCH v3 00/11] enable bs > ps in XFS Matthew Wilcox
2024-03-26  9:53   ` Hannes Reinecke
2024-03-26 15:06     ` Pankaj Raghav
2024-03-26 14:54   ` Pankaj Raghav (Samsung)

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