From: Matthew Wilcox <willy@infradead.org>
To: Anju T Sudhakar <anju@linux.vnet.ibm.com>
Cc: hch@infradead.org, darrick.wong@oracle.com,
linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org, riteshh@linux.ibm.com
Subject: Re: [PATCH] iomap: Fix the write_count in iomap_add_to_ioend().
Date: Fri, 21 Aug 2020 14:31:50 +0100 [thread overview]
Message-ID: <20200821133150.GT17456@casper.infradead.org> (raw)
In-Reply-To: <20200819102841.481461-1-anju@linux.vnet.ibm.com>
On Wed, Aug 19, 2020 at 03:58:41PM +0530, Anju T Sudhakar wrote:
> __bio_try_merge_page() may return same_page = 1 and merged = 0.
> This could happen when bio->bi_iter.bi_size + len > UINT_MAX.
> Handle this case in iomap_add_to_ioend() by incrementing write_count.
One of the patches I have pending ignores same_page by just using the
write_count as a byte count instead of a segment count. It's currently
mixed into this patch but needs to be separated.
http://git.infradead.org/users/willy/pagecache.git/commitdiff/0186d1dde949a458584c56b706fa8dfd252466ff
(another patch does the same thing to the read count).
prev parent reply other threads:[~2020-08-21 13:32 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-19 10:28 [PATCH] iomap: Fix the write_count in iomap_add_to_ioend() Anju T Sudhakar
2020-08-20 23:11 ` Dave Chinner
2020-08-21 4:45 ` Ritesh Harjani
2020-08-21 6:00 ` Christoph Hellwig
2020-08-21 9:09 ` Ritesh Harjani
2020-08-21 21:53 ` Dave Chinner
2020-08-22 13:13 ` Christoph Hellwig
2020-08-24 14:28 ` Brian Foster
2020-08-24 15:04 ` Christoph Hellwig
2020-08-24 15:48 ` Brian Foster
2020-08-25 0:42 ` Dave Chinner
2020-08-25 14:49 ` Brian Foster
2020-08-31 4:01 ` Ming Lei
2020-08-31 14:35 ` Brian Foster
2020-09-16 0:12 ` Darrick J. Wong
2020-09-16 8:45 ` Christoph Hellwig
2020-09-16 13:07 ` Brian Foster
2020-09-17 8:04 ` Christoph Hellwig
2020-09-17 10:42 ` Brian Foster
2020-09-17 14:48 ` Christoph Hellwig
2020-09-17 21:33 ` Darrick J. Wong
2020-09-17 23:13 ` Ming Lei
2020-08-21 6:01 ` Christoph Hellwig
2020-08-21 6:07 ` Christoph Hellwig
2020-08-21 8:53 ` Ritesh Harjani
2020-08-21 14:49 ` Jens Axboe
2020-08-21 13:31 ` Matthew Wilcox [this message]
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