From: Eric Blake <eblake@redhat.com>
To: Max Reitz <mreitz@redhat.com>, qemu-block@nongnu.org
Cc: Kevin Wolf <kwolf@redhat.com>,
sheepdog@lists.wpkg.org,
Hitoshi Mitake <mitake.hitoshi@lab.ntt.co.jp>,
Jeff Cody <jcody@redhat.com>,
qemu-devel@nongnu.org, Liu Yuan <namei.unix@gmail.com>
Subject: Re: [Qemu-devel] [PATCH 3/7] gluster: Query current size in do_truncate()
Date: Tue, 13 Feb 2018 08:57:50 -0600 [thread overview]
Message-ID: <fe30e8ce-817c-b205-5007-0f9eadbd2326@redhat.com> (raw)
In-Reply-To: <20180213130356.8885-4-mreitz@redhat.com>
On 02/13/2018 07:03 AM, Max Reitz wrote:
> Instead of expecting the current size to be 0, query it and allocate
> only the area [current_size, offset) if preallocation is requested.
>
> Signed-off-by: Max Reitz <mreitz@redhat.com>
> ---
> block/gluster.c | 21 +++++++++++++++++++--
> 1 file changed, 19 insertions(+), 2 deletions(-)
>
I don't have a gluster setup handy to test this, but the concept matches
file-posix and the change looks reasonable.
Reviewed-by: Eric Blake <eblake@redhat.com>
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3266
Virtualization: qemu.org | libvirt.org
next prev parent reply other threads:[~2018-02-13 14:57 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-13 13:03 [Qemu-devel] [PATCH 0/7] block: Preallocated truncation for gluster and sheepdog Max Reitz
2018-02-13 13:03 ` [Qemu-devel] [PATCH 1/7] gluster: Move glfs_close() to create's clean-up Max Reitz
2018-02-13 14:54 ` Eric Blake
2018-02-13 13:03 ` [Qemu-devel] [PATCH 2/7] gluster: Pull truncation from qemu_gluster_create Max Reitz
2018-02-13 14:56 ` Eric Blake
2018-02-13 13:03 ` [Qemu-devel] [PATCH 3/7] gluster: Query current size in do_truncate() Max Reitz
2018-02-13 14:57 ` Eric Blake [this message]
2018-02-13 13:03 ` [Qemu-devel] [PATCH 4/7] gluster: Add preallocated truncation Max Reitz
2018-02-13 14:58 ` Eric Blake
2018-02-13 13:03 ` [Qemu-devel] [PATCH 5/7] sheepdog: Make sd_prealloc() take a BDS Max Reitz
2018-02-13 15:02 ` Eric Blake
2018-02-13 13:03 ` [Qemu-devel] [PATCH 6/7] sheepdog: Pass old and new size to sd_prealloc() Max Reitz
2018-02-13 15:04 ` Eric Blake
2018-02-13 13:03 ` [Qemu-devel] [PATCH 7/7] sheepdog: Allow fully preallocated truncation Max Reitz
2018-02-13 15:05 ` Eric Blake
2018-02-13 15:19 ` [Qemu-devel] [PATCH 0/7] block: Preallocated truncation for gluster and sheepdog Kevin Wolf
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