From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:51817) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d86XF-0002nf-Vr for qemu-devel@nongnu.org; Tue, 09 May 2017 10:54:46 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1d86XF-0002G8-Af for qemu-devel@nongnu.org; Tue, 09 May 2017 10:54:46 -0400 Date: Tue, 9 May 2017 16:54:36 +0200 From: Kevin Wolf Message-ID: <20170509145436.GE5243@noname.str.redhat.com> References: <1493916761-32319-1-git-send-email-kwolf@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1493916761-32319-1-git-send-email-kwolf@redhat.com> Subject: Re: [Qemu-devel] [PATCH 0/6] block: Fix op blockers for inactive images List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-block@nongnu.org Cc: famz@redhat.com, mreitz@redhat.com, qemu-devel@nongnu.org Am 04.05.2017 um 18:52 hat Kevin Wolf geschrieben: > Fam's image locking series introduced some special-casing in the file-posix > driver that avoids taking locks when the image is inactive. While this works, > it really isn't the job of the file-posix driver, but the core block layer > should consider that inactive nodes require a lot less permissions. > > This series integrates op blockers with bdrv_inactivate/invalidate_cache() to > solve this problem gennerically, and removes the workaround in file-posix. Applied to the block branch. Kevin