|
From: | Alberto Garcia |
Subject: | Re: [Qemu-block] [PATCH for-2.11 2/2] block: Don't request I/O permission with BDRV_O_NO_IO |
Date: | Mon, 20 Nov 2017 15:41:59 +0100 |
User-agent: | Notmuch/0.18.2 (http://notmuchmail.org) Emacs/24.4.1 (i586-pc-linux-gnu) |
On Mon 20 Nov 2017 03:11:41 PM CET, Kevin Wolf wrote: > 'qemu-img info' makes sense even when BLK_PERM_CONSISTENT_READ cannot be > granted because of a block job in a running qemu process. It already > sets BDRV_O_NO_IO to indicate that it doesn't access the guest visible > data at all. > > Check the BDRV_O_NO_IO flags in blk_new_open(), so that I/O related > permissions are not unnecessarily requested and 'qemu-img info' can work > even if BLK_PERM_CONSISTENT_READ cannot be granted. > > Signed-off-by: Kevin Wolf <address@hidden> Reviewed-by: Alberto Garcia <address@hidden> Berto
[Prev in Thread] | Current Thread | [Next in Thread] |