linux-ext4 - Re: [PATCH 01/26] ext4: use io

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Message-ID: <20130604160319.GB25160@thunk.org>
Date:	Tue, 4 Jun 2013 12:03:19 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	Jan Kara <jack@...e.cz>
Cc:	linux-ext4@...r.kernel.org,
	Alexey Khoroshilov <khoroshilov@...ras.ru>
Subject: Re: [PATCH 01/26] ext4: use io_end for multiple bios

On Fri, May 31, 2013 at 11:42:34AM +0200, Jan Kara wrote:
> Change writeback path to create just one io_end structure for the
> extent to which we submit IO and share it among bios writing that
> extent. This prevents needless splitting and joining of unwritten
> extents when they cannot be submitted as a single bio.
> 
> Bugs in ENOMEM handling found by Linux File System Verification project
> (linuxtesting.org) and fixed by Alexey Khoroshilov
> <khoroshilov@...ras.ru>.
> 
> CC: Alexey Khoroshilov <khoroshilov@...ras.ru>
> Signed-off-by: Jan Kara <jack@...e.cz>
> Signed-off-by: "Theodore Ts'o" <tytso@....edu>

Applied, thanks.

				- Ted
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