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Re: [Qemu-devel] [PATCH 09/55] block: Don't let locked flag prevent medi
From: |
Kevin Wolf |
Subject: |
Re: [Qemu-devel] [PATCH 09/55] block: Don't let locked flag prevent medium load |
Date: |
Fri, 22 Jul 2011 16:51:46 +0200 |
User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.18) Gecko/20110621 Fedora/3.1.11-1.fc15 Thunderbird/3.1.11 |
Am 20.07.2011 18:23, schrieb Markus Armbruster:
> Commit aea2a33c made bdrv_eject() obey the locked flag. Correct for
> medium eject (eject_flag set), incorrect for medium load (eject_flag
> clear). See MMC-5 Table 341 "Actions for Lock/Unlock/Eject".
>
> Signed-off-by: Markus Armbruster <address@hidden>
SCSI doesn't really matter here, this is about host state. The comment
for bdrv_set_locked only talks about eject, so it's probably right anyway.
Kevin
> ---
> block.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/block.c b/block.c
> index 594bcab..6727274 100644
> --- a/block.c
> +++ b/block.c
> @@ -2769,7 +2769,7 @@ int bdrv_eject(BlockDriverState *bs, int eject_flag)
> {
> BlockDriver *drv = bs->drv;
>
> - if (bs->locked) {
> + if (eject_flag && bs->locked) {
> return -EBUSY;
> }
>
- [Qemu-devel] [PATCH 01/55] blockdev: Make eject fail for non-removable drives even with -f, (continued)
- [Qemu-devel] [PATCH 01/55] blockdev: Make eject fail for non-removable drives even with -f, Markus Armbruster, 2011/07/20
- [Qemu-devel] [PATCH 06/55] block/raw-win32: Drop disabled code for removable host devices, Markus Armbruster, 2011/07/20
- [Qemu-devel] [PATCH 16/55] ide/atapi: Track tray open/close state, Markus Armbruster, 2011/07/20
- [Qemu-devel] [PATCH 08/55] block: Make BlockDriver method bdrv_eject() return void, Markus Armbruster, 2011/07/20
- [Qemu-devel] [PATCH 09/55] block: Don't let locked flag prevent medium load, Markus Armbruster, 2011/07/20
- Re: [Qemu-devel] [PATCH 09/55] block: Don't let locked flag prevent medium load,
Kevin Wolf <=
- [Qemu-devel] [PATCH 21/55] block: Revert entanglement of bdrv_is_inserted() with tray status, Markus Armbruster, 2011/07/20
- [Qemu-devel] [PATCH 27/55] scsi-disk: Switch from BlockDriverState's locked to own tray_locked, Markus Armbruster, 2011/07/20
- [Qemu-devel] [PATCH 04/55] block: Generalize change_cb() to BlockDevOps, Markus Armbruster, 2011/07/20
- [Qemu-devel] [PATCH 13/55] ide: Use a table to declare which drive kinds accept each command, Markus Armbruster, 2011/07/20