On Thu, Jan 29, 2015 at 09:15:12AM +0800, Qu Wenruo wrote:
Are we sure that there's no possible deadlock when we eg. change the
label via sysfs in the middle of a balance that removes some of the
files? Or other combination of operations. Can we guarantee that this
will be ok in the long
Original Message
Subject: Re: [PATCH RFC v3 1/5] Revert btrfs: add support for
processing pending changes related commits
From: David Sterba dste...@suse.cz
To: Qu Wenruo quwen...@cn.fujitsu.com
Date: 2015年01月28日 21:25
On Mon, Jan 26, 2015 at 02:05:18PM +0800, Qu Wenruo
On Mon, Jan 26, 2015 at 02:05:18PM +0800, Qu Wenruo wrote:
Original Message
Subject: Re: [PATCH RFC v3 1/5] Revert btrfs: add support for
processing pending changes related commits
From: Qu Wenruo quwen...@cn.fujitsu.com
To: dste...@suse.cz, linux-btrfs@vger.kernel.org
Original Message
Subject: Re: [PATCH RFC v3 1/5] Revert btrfs: add support for
processing pending changes related commits
From: Qu Wenruo quwen...@cn.fujitsu.com
To: dste...@suse.cz, linux-btrfs@vger.kernel.org, miao...@huawei.com
Date: 2015年01月26日 08:37
Original
Original Message
Subject: Re: [PATCH RFC v3 1/5] Revert btrfs: add support for
processing pending changes related commits
From: David Sterba dste...@suse.cz
To: Qu Wenruo quwen...@cn.fujitsu.com
Date: 2015年01月23日 22:57
On Fri, Jan 23, 2015 at 05:31:41PM +0800, Qu Wenruo
This reverts commit 572d9ab7845 ~ a6f69dc8018.
This pending commits patches introduce deadlock with freeze, and fix for
it will introduce extra checks on freeze and read only case.
For mount option change, later patches will introduce copy-n-update
method and rwsem protects to keep mount options
On Fri, Jan 23, 2015 at 05:31:41PM +0800, Qu Wenruo wrote:
For mount option change, later patches will introduce copy-n-update
method and rwsem protects to keep mount options consistent during
transaction.
That's a better approach, for the mount options.
For sysfs interface to change
