From: Eric Blake <eblake@redhat.com>
To: Max Reitz <mreitz@redhat.com>, qemu-block@nongnu.org
Cc: Kevin Wolf <kwolf@redhat.com>,
Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>,
qemu-devel@nongnu.org
Subject: Re: [PATCH v2 22/33] block: Make backing files child_of_bds children
Date: Tue, 11 Feb 2020 09:39:50 -0600 [thread overview]
Message-ID: <a7b6b6a3-cfae-f3dc-c9ed-4ec4b53e9c23@redhat.com> (raw)
In-Reply-To: <367e84c9-501b-2324-fc7a-575ba10249bd@redhat.com>
On 2/6/20 5:33 AM, Max Reitz wrote:
> On 05.02.20 23:45, Eric Blake wrote:
>> On 2/4/20 11:08 AM, Max Reitz wrote:
>>> Signed-off-by: Max Reitz <mreitz@redhat.com>
>>
>> Another sparse commit message (a recurring theme of this series). The
>> subject line says 'what', and the patch appears to be faithful to that,
>> but if a future bisection lands here, even a one-sentence 'why' would be
>> handy; maybe:
>>
>> This is part of a larger series of unifying block device relationships
>> via child_of_bds.
>
> Sure, works for me. Or maybe:
>
> Make all parents of backing files pass the appropriate BdrvChildRole.
> By doing so, we can switch their BdrvChildClass over to the generic
> child_of_bds, which will do the right thing when given a correct
> BdrvChildRole.
Sounds good.
>
> (Because actually the point of this series is not child_of_bds, but the
> BdrvChildRole, which allows the “Deal with filters” series to implement
> the child access functions in a more obvious way. I hope.)
And hopefully I finish my review of the rest of the series today, to see
if we met that goal.
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3226
Virtualization: qemu.org | libvirt.org
next prev parent reply other threads:[~2020-02-11 15:40 UTC|newest]
Thread overview: 86+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-04 17:08 [PATCH v2 00/33] block: Introduce real BdrvChildRole Max Reitz
2020-02-04 17:08 ` [PATCH v2 01/33] block: Add BlockDriver.is_format Max Reitz
2020-02-05 13:51 ` Eric Blake
2020-02-06 10:25 ` Max Reitz
2020-02-11 15:30 ` Alberto Garcia
2020-02-04 17:08 ` [PATCH v2 02/33] block: Rename BdrvChildRole to BdrvChildClass Max Reitz
2020-02-05 15:20 ` Eric Blake
2020-02-11 15:31 ` Alberto Garcia
2020-02-04 17:08 ` [PATCH v2 03/33] block: Add BdrvChildRole Max Reitz
2020-02-05 15:24 ` Eric Blake
2020-02-06 10:47 ` Max Reitz
2020-02-06 10:49 ` Max Reitz
2020-02-11 15:35 ` Eric Blake
2020-02-11 15:41 ` Alberto Garcia
2020-02-17 14:40 ` Max Reitz
2020-02-04 17:08 ` [PATCH v2 04/33] block: Add BdrvChildRole to BdrvChild Max Reitz
2020-02-05 15:33 ` Eric Blake
2020-02-06 10:53 ` Max Reitz
2020-02-11 15:37 ` Eric Blake
2020-02-04 17:08 ` [PATCH v2 05/33] block: Pass BdrvChildRole to bdrv_child_perm() Max Reitz
2020-02-05 16:14 ` Eric Blake
2020-02-04 17:08 ` [PATCH v2 06/33] block: Pass BdrvChildRole to .inherit_options() Max Reitz
2020-02-05 16:18 ` Eric Blake
2020-02-04 17:08 ` [PATCH v2 07/33] block: Pass parent_is_format " Max Reitz
2020-02-05 16:26 ` Eric Blake
2020-02-04 17:08 ` [PATCH v2 08/33] block: Rename bdrv_inherited_options() Max Reitz
2020-02-05 16:36 ` Eric Blake
2020-02-04 17:08 ` [PATCH v2 09/33] block: Add generic bdrv_inherited_options() Max Reitz
2020-02-05 16:48 ` Eric Blake
2020-02-06 11:06 ` Max Reitz
2020-02-04 17:08 ` [PATCH v2 10/33] block: Use bdrv_inherited_options() Max Reitz
2020-02-05 17:14 ` Eric Blake
2020-02-04 17:08 ` [PATCH v2 11/33] block: Unify bdrv_child_cb_attach() Max Reitz
2020-02-05 17:24 ` Eric Blake
2020-02-04 17:08 ` [PATCH v2 12/33] block: Unify bdrv_child_cb_detach() Max Reitz
2020-02-05 17:26 ` Eric Blake
2020-02-04 17:08 ` [PATCH v2 13/33] block: Add child_of_bds Max Reitz
2020-02-05 20:33 ` Eric Blake
2020-02-04 17:08 ` [PATCH v2 14/33] block: Distinguish paths in *_format_default_perms Max Reitz
2020-02-05 20:54 ` Eric Blake
2020-02-04 17:08 ` [PATCH v2 15/33] block: Pull out bdrv_default_perms_for_backing() Max Reitz
2020-02-05 20:56 ` Eric Blake
2020-02-06 11:19 ` Max Reitz
2020-02-11 15:38 ` Eric Blake
2020-02-04 17:08 ` [PATCH v2 16/33] block: Pull out bdrv_default_perms_for_storage() Max Reitz
2020-02-05 21:02 ` Eric Blake
2020-02-06 11:20 ` Max Reitz
2020-02-04 17:08 ` [PATCH v2 17/33] block: Split bdrv_default_perms_for_storage() Max Reitz
2020-02-05 21:25 ` Eric Blake
2020-02-04 17:08 ` [PATCH v2 18/33] block: Add bdrv_default_perms() Max Reitz
2020-02-05 21:53 ` Eric Blake
2020-02-04 17:08 ` [PATCH v2 19/33] raw-format: Split raw_read_options() Max Reitz
2020-02-05 21:57 ` Eric Blake
2020-02-04 17:08 ` [PATCH v2 20/33] block: Switch child_format users to child_of_bds Max Reitz
2020-02-05 22:11 ` Eric Blake
2020-02-04 17:08 ` [PATCH v2 21/33] block: Drop child_format Max Reitz
2020-02-05 22:19 ` Eric Blake
2020-02-04 17:08 ` [PATCH v2 22/33] block: Make backing files child_of_bds children Max Reitz
2020-02-05 22:45 ` Eric Blake
2020-02-06 11:33 ` Max Reitz
2020-02-11 15:39 ` Eric Blake [this message]
2020-02-04 17:08 ` [PATCH v2 23/33] block: Drop child_backing Max Reitz
2020-02-05 22:48 ` Eric Blake
2020-02-04 17:08 ` [PATCH v2 24/33] block: Make format drivers use child_of_bds Max Reitz
2020-02-05 22:54 ` Eric Blake
2020-02-04 17:08 ` [PATCH v2 25/33] block: Make filter " Max Reitz
2020-02-05 23:02 ` Eric Blake
2020-02-06 11:35 ` Max Reitz
2020-02-04 17:08 ` [PATCH v2 26/33] block: Use child_of_bds in remaining places Max Reitz
2020-02-05 23:28 ` Eric Blake
2020-02-04 17:08 ` [PATCH v2 27/33] tests: Use child_of_bds instead of child_file Max Reitz
2020-02-11 15:42 ` Eric Blake
2020-02-04 17:08 ` [PATCH v2 28/33] block: Use bdrv_default_perms() Max Reitz
2020-02-11 15:46 ` Eric Blake
2020-02-04 17:08 ` [PATCH v2 29/33] block: Make bdrv_filter_default_perms() static Max Reitz
2020-02-11 15:48 ` Eric Blake
2020-02-04 17:08 ` [PATCH v2 30/33] block: Drop bdrv_format_default_perms() Max Reitz
2020-02-11 15:48 ` Eric Blake
2020-02-04 17:08 ` [PATCH v2 31/33] block: Drop child_file Max Reitz
2020-02-11 15:49 ` Eric Blake
2020-02-04 17:08 ` [PATCH v2 32/33] block: Pass BdrvChildRole in remaining cases Max Reitz
2020-02-11 15:53 ` Eric Blake
2020-02-18 12:01 ` Max Reitz
2020-02-18 12:53 ` Eric Blake
2020-02-04 17:08 ` [PATCH v2 33/33] block: Drop @child_class from bdrv_child_perm() Max Reitz
2020-02-11 15:56 ` Eric Blake
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