From: Paolo Bonzini <pbonzini@redhat.com>
To: Kevin Wolf <kwolf@redhat.com>
Cc: qemu-devel@nongnu.org, stefanha@linux.vnet.ibm.com
Subject: Re: [Qemu-devel] [PATCH 1.1 04/22] block: fully delete bs->file when closing
Date: Wed, 09 May 2012 14:59:07 +0200 [thread overview]
Message-ID: <4FAA6A1B.7050406@redhat.com> (raw)
In-Reply-To: <4FAA617D.1030908@redhat.com>
Il 09/05/2012 14:22, Kevin Wolf ha scritto:
> Am 08.05.2012 16:51, schrieb Paolo Bonzini:
>> We are reusing bs->file across close/open, which may not cause any
>> known bugs but is a recipe for trouble. Prefer bdrv_delete, and
>> enjoy the new invariant in the implementation of bdrv_delete.
>>
>> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
>
> I think bs->file is changed during bdrv_open() for all block drivers
> that make use of it. We do however leak the old bs->file then.
Right, bdrv_open_common has bs->file = NULL. See also patch 9 in the
series...
Paolo
next prev parent reply other threads:[~2012-05-09 12:59 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-08 14:51 [Qemu-devel] [PATCH 1.1 00/22] Rebased queue of block patches Paolo Bonzini
2012-05-08 14:51 ` [Qemu-devel] [PATCH 1.1 01/22] block: fix snapshot on QED Paolo Bonzini
2012-05-09 12:15 ` Kevin Wolf
2012-05-08 14:51 ` [Qemu-devel] [PATCH 1.1 02/22] block: another bdrv_append fix Paolo Bonzini
2012-05-08 14:51 ` [Qemu-devel] [PATCH 1.1 03/22] block: do not reuse the backing file across bdrv_close/bdrv_open Paolo Bonzini
2012-05-08 14:51 ` [Qemu-devel] [PATCH 1.1 04/22] block: fully delete bs->file when closing Paolo Bonzini
2012-05-09 12:22 ` Kevin Wolf
2012-05-09 12:59 ` Paolo Bonzini [this message]
2012-05-08 14:51 ` [Qemu-devel] [PATCH 1.1 05/22] block: add block_job_sleep_ns Paolo Bonzini
2012-05-08 14:51 ` [Qemu-devel] [PATCH 1.1 06/22] block: wait for job callback in block_job_cancel_sync Paolo Bonzini
2012-05-08 14:51 ` [Qemu-devel] [PATCH 1.1 07/22] block: simplify path_is_absolute Paolo Bonzini
2012-05-08 14:51 ` [Qemu-devel] [PATCH 1.1 08/22] block: protect path_has_protocol from filenames with colons Paolo Bonzini
2012-05-08 14:51 ` [Qemu-devel] [PATCH 1.1 09/22] block: move field reset from bdrv_open_common to bdrv_close Paolo Bonzini
2012-05-08 14:51 ` [Qemu-devel] [PATCH 1.1 10/22] qemu-img: make "info" backing file output correct and easier to use Paolo Bonzini
2012-05-08 14:51 ` [Qemu-devel] [PATCH 1.1 11/22] qemu-io: correctly print non-integer values as decimals Paolo Bonzini
2012-05-09 12:46 ` Kevin Wolf
2012-05-09 12:48 ` Paolo Bonzini
2012-05-08 14:51 ` [Qemu-devel] [PATCH 1.1 12/22] qemu-io: fix the alloc command Paolo Bonzini
2012-05-08 14:51 ` [Qemu-devel] [PATCH 1.1 13/22] stream: fix sectors not allocated test Paolo Bonzini
2012-05-08 14:51 ` [Qemu-devel] [PATCH 1.1 14/22] stream: add testcase for partial streaming Paolo Bonzini
2012-05-09 12:59 ` Kevin Wolf
2012-05-09 13:05 ` [Qemu-devel] [PATCH 1.1 v2 " Paolo Bonzini
2012-05-08 14:51 ` [Qemu-devel] [PATCH 1.1 15/22] stream: pass new base image format to bdrv_change_backing_file Paolo Bonzini
2012-05-08 14:51 ` [Qemu-devel] [PATCH 1.1 16/22] stream: fix HMP block_job_set_speed Paolo Bonzini
2012-05-08 14:51 ` [Qemu-devel] [PATCH 1.1 17/22] stream: fix ratelimiting corner case Paolo Bonzini
2012-05-08 14:51 ` [Qemu-devel] [PATCH 1.1 18/22] stream: do not copy unallocated sectors from the base Paolo Bonzini
2012-05-08 14:51 ` [Qemu-devel] [PATCH 1.1 19/22] block: implement is_allocated for raw Paolo Bonzini
2012-05-09 13:40 ` Kevin Wolf
2012-05-09 14:05 ` Paolo Bonzini
2012-05-09 14:10 ` Kevin Wolf
2012-05-09 14:24 ` Paolo Bonzini
2012-05-09 14:49 ` [Qemu-devel] [PATCH next v2 " Paolo Bonzini
2012-05-08 14:52 ` [Qemu-devel] [PATCH 1.1 20/22] stream: tweak usage of bdrv_co_is_allocated Paolo Bonzini
2012-05-08 14:52 ` [Qemu-devel] [PATCH 1.1 21/22] stream: move is_allocated_above to block.c Paolo Bonzini
2012-05-08 14:52 ` [Qemu-devel] [PATCH 1.1 22/22] stream: move rate limiting to a separate header file Paolo Bonzini
2012-05-09 13:52 ` Kevin Wolf
2012-05-09 14:09 ` [Qemu-devel] [PATCH 1.1 v2 " Paolo Bonzini
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