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From: Max Reitz <mreitz@redhat.com>
To: Eric Blake <eblake@redhat.com>, qemu-devel@nongnu.org
Cc: Kevin Wolf <kwolf@redhat.com>, Fam Zheng <famz@redhat.com>,
	Jeff Cody <jcody@redhat.com>,
	Markus Armbruster <armbru@redhat.com>,
	Stefan Hajnoczi <stefanha@redhat.com>,
	john@redhat.com
Subject: Re: [Qemu-devel] [PATCH 06/50] block: Add blk_is_available()
Date: Tue, 27 Jan 2015 14:16:46 -0500	[thread overview]
Message-ID: <54C7E41E.7030206@redhat.com> (raw)
In-Reply-To: <54C7E3E7.5030808@redhat.com>

On 2015-01-27 at 14:15, Eric Blake wrote:
> On 01/26/2015 09:02 AM, Max Reitz wrote:
>> blk_is_available() returns true iff the BDS is inserted (which means
>> blk_bs() is not NULL and bdrv_is_inserted() returns true) and if the
>> tray of the guest device is closed.
>>
>> blk_is_inserted() is changed to return true only if blk_bs() is not
>> NULL.
>>
>> Signed-off-by: Max Reitz <mreitz@redhat.com>
>> ---
>>   block/block-backend.c          | 7 ++++++-
>>   include/sysemu/block-backend.h | 1 +
>>   2 files changed, 7 insertions(+), 1 deletion(-)
>>
>> +++ b/include/sysemu/block-backend.h
>> @@ -127,6 +127,7 @@ int blk_enable_write_cache(BlockBackend *blk);
>>   void blk_set_enable_write_cache(BlockBackend *blk, bool wce);
>>   void blk_invalidate_cache(BlockBackend *blk, Error **errp);
>>   int blk_is_inserted(BlockBackend *blk);
> Should we change blk_is_inserted to return bool?

Seems like a good opportunity to. Will do.

>> +bool blk_is_available(BlockBackend *blk);
> Looks reasonable.
> Reviewed-by: Eric Blake <eblake@redhat.com>

Thank you for tackling this series!

Max

  reply	other threads:[~2015-01-27 19:16 UTC|newest]

Thread overview: 69+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-26 16:02 [Qemu-devel] [PATCH 00/50] blockdev: BlockBackend and media Max Reitz
2015-01-26 16:02 ` [Qemu-devel] [PATCH 01/50] blockdev: Allow creation of BDS trees without BB Max Reitz
2015-01-27 18:22   ` Eric Blake
2015-01-27 18:26     ` Max Reitz
2015-01-26 16:02 ` [Qemu-devel] [PATCH 02/50] iotests: Only create BB if necessary Max Reitz
2015-01-27 18:49   ` Eric Blake
2015-01-26 16:02 ` [Qemu-devel] [PATCH 03/50] hw/block/fdc: Implement tray status Max Reitz
2015-01-27 18:58   ` Eric Blake
2015-01-26 16:02 ` [Qemu-devel] [PATCH 04/50] hw/usb-storage: Check whether BB is inserted Max Reitz
2015-01-27 19:05   ` Eric Blake
2015-01-26 16:02 ` [Qemu-devel] [PATCH 05/50] block: Fix BB AIOCB AioContext without BDS Max Reitz
2015-01-27 19:12   ` Eric Blake
2015-01-26 16:02 ` [Qemu-devel] [PATCH 06/50] block: Add blk_is_available() Max Reitz
2015-01-27 19:15   ` Eric Blake
2015-01-27 19:16     ` Max Reitz [this message]
2015-01-26 16:02 ` [Qemu-devel] [PATCH 07/50] block: Make bdrv_is_inserted() recursive Max Reitz
2015-01-27 19:18   ` Eric Blake
2015-01-26 16:02 ` [Qemu-devel] [PATCH 08/50] block/quorum: Implement bdrv_is_inserted() Max Reitz
2015-01-27 19:20   ` Eric Blake
2015-01-26 16:02 ` [Qemu-devel] [PATCH 09/50] block: Move guest_block_size into BlockBackend Max Reitz
2015-01-27 19:22   ` Eric Blake
2015-01-27 19:37     ` John Priddy
2015-01-27 19:40       ` Max Reitz
2015-01-26 16:02 ` [Qemu-devel] [PATCH 10/50] block: Remove wr_highest_offset from BlockAcctStats Max Reitz
2015-01-27 20:01   ` Eric Blake
2015-01-27 20:02     ` Max Reitz
2015-01-26 16:02 ` [Qemu-devel] [PATCH 11/50] block: Move BlockAcctStats into BlockBackend Max Reitz
2015-01-26 16:02 ` [Qemu-devel] [PATCH 12/50] block: Move I/O status and error actions into BB Max Reitz
2015-01-26 16:02 ` [Qemu-devel] [PATCH 13/50] block: Add BlockBackendRootState Max Reitz
2015-01-26 16:02 ` [Qemu-devel] [PATCH 14/50] block: Make some BB functions fall back to BBRS Max Reitz
2015-01-26 16:02 ` [Qemu-devel] [PATCH 15/50] block: Fail requests to empty BlockBackend Max Reitz
2015-01-26 16:02 ` [Qemu-devel] [PATCH 16/50] block: Prepare remaining BB functions for NULL BDS Max Reitz
2015-01-26 16:02 ` [Qemu-devel] [PATCH 17/50] block: Respect empty BB in bdrv_lookup_bs() Max Reitz
2015-01-26 16:02 ` [Qemu-devel] [PATCH 18/50] block: Respect empty BB in bdrv_query_info() Max Reitz
2015-01-26 16:02 ` [Qemu-devel] [PATCH 19/50] blockdev: Use BlockBackend for blockdev-backup TA Max Reitz
2015-01-26 16:02 ` [Qemu-devel] [PATCH 20/50] blockdev: Check blk_is_available() in sn-del-int-sync Max Reitz
2015-01-26 16:02 ` [Qemu-devel] [PATCH 21/50] blockdev: Check BB validity in internal snapshot TA Max Reitz
2015-01-26 16:02 ` [Qemu-devel] [PATCH 22/50] blockdev: Check BB validity in drive-backup TA Max Reitz
2015-01-26 16:02 ` [Qemu-devel] [PATCH 23/50] blockdev: Catch NULL BDS in block_set_io_throttle Max Reitz
2015-01-26 16:02 ` [Qemu-devel] [PATCH 24/50] blockdev: Check BB validity in block-stream Max Reitz
2015-01-26 16:02 ` [Qemu-devel] [PATCH 25/50] blockdev: Check BB validity in block-commit Max Reitz
2015-01-26 16:03 ` [Qemu-devel] [PATCH 26/50] blockdev: Check BB validity in drive-backup Max Reitz
2015-01-26 16:03 ` [Qemu-devel] [PATCH 27/50] blockdev: Check BB validity in blockdev-backup Max Reitz
2015-01-26 16:03 ` [Qemu-devel] [PATCH 28/50] blockdev: Check BB validity in drive-mirror Max Reitz
2015-01-26 16:03 ` [Qemu-devel] [PATCH 29/50] blockdev: Check BB validity in find_block_job() Max Reitz
2015-01-26 16:03 ` [Qemu-devel] [PATCH 30/50] blockdev: Check BB validity in change-backing-file Max Reitz
2015-01-26 16:03 ` [Qemu-devel] [PATCH 31/50] block: Add blk_insert_bs() Max Reitz
2015-01-26 16:03 ` [Qemu-devel] [PATCH 32/50] blockdev: Check BB validity in eject and change Max Reitz
2015-01-26 16:03 ` [Qemu-devel] [PATCH 33/50] blockdev: Respect NULL BDS in do_drive_del() Max Reitz
2015-01-26 16:03 ` [Qemu-devel] [PATCH 34/50] blockdev: Do not create BDS for empty drive Max Reitz
2015-01-26 16:03 ` [Qemu-devel] [PATCH 35/50] blockdev: Pull out blockdev option extraction Max Reitz
2015-01-26 16:03 ` [Qemu-devel] [PATCH 36/50] blockdev: Allow more options for BB-less BDS tree Max Reitz
2015-01-26 16:03 ` [Qemu-devel] [PATCH 37/50] block: Add blk_remove_bs() Max Reitz
2015-01-26 16:03 ` [Qemu-devel] [PATCH 38/50] blockdev: Add blockdev-open-tray Max Reitz
2015-01-26 16:03 ` [Qemu-devel] [PATCH 39/50] blockdev: Add blockdev-close-tray Max Reitz
2015-01-26 16:03 ` [Qemu-devel] [PATCH 40/50] blockdev: Add blockdev-remove-medium Max Reitz
2015-01-26 16:03 ` [Qemu-devel] [PATCH 41/50] blockdev: Add blockdev-insert-medium Max Reitz
2015-01-26 16:03 ` [Qemu-devel] [PATCH 42/50] blockdev: Implement eject with basic operations Max Reitz
2015-01-26 16:03 ` [Qemu-devel] [PATCH 43/50] blockdev: Implement change " Max Reitz
2015-01-26 16:03 ` [Qemu-devel] [PATCH 44/50] block: Inquire tray state before tray-moved events Max Reitz
2015-01-26 16:03 ` [Qemu-devel] [PATCH 45/50] qmp: Introduce blockdev-change-medium Max Reitz
2015-01-26 16:03 ` [Qemu-devel] [PATCH 46/50] hmp: Use blockdev-change-medium for change command Max Reitz
2015-01-26 16:03 ` [Qemu-devel] [PATCH 47/50] blockdev: Add read-only option to blockdev-change-medium Max Reitz
2015-01-26 16:03 ` [Qemu-devel] [PATCH 48/50] hmp: Add read-only option to change command Max Reitz
2015-01-26 16:03 ` [Qemu-devel] [PATCH 49/50] iotests: More options for VM.add_drive() Max Reitz
2015-01-26 16:03 ` [Qemu-devel] [PATCH 50/50] iotests: Add test for change-related QMP commands Max Reitz
2015-01-27 19:30 ` [Qemu-devel] [PATCH 00/50] blockdev: BlockBackend and media Eric Blake
2015-01-27 19:38   ` Max Reitz
2015-01-27 19:49 ` Max Reitz

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