From: Fam Zheng <famz@redhat.com>
To: qemu-devel@nongnu.org
Cc: Kevin Wolf <kwolf@redhat.com>,
pbonzini@redhat.com, Jeff Cody <jcody@redhat.com>,
qemu-block@nongnu.org, mreitz@redhat.com
Subject: [Qemu-devel] [PATCH v3 0/2] mirror: Improve zero write and discard
Date: Tue, 10 Nov 2015 16:51:28 +0800 [thread overview]
Message-ID: <1447145490-12314-1-git-send-email-famz@redhat.com> (raw)
The first patch adds a lock between bdrv_set_dirty{,_bitmap} and non-atomic
(coroutine) readers,
The second patch makes use of it and fixes mirror thin writing.
Fam Zheng (2):
block: Introduce coroutine lock to dirty bitmap
mirror: Improve zero-write and discard with fragmented image
block.c | 26 ++++++--
block/mirror.c | 160 ++++++++++++++++++++++++++++++++++++----------
include/block/block.h | 6 +-
include/block/block_int.h | 4 +-
4 files changed, 156 insertions(+), 40 deletions(-)
--
2.4.3
next reply other threads:[~2015-11-10 8:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-10 8:51 Fam Zheng [this message]
2015-11-10 8:51 ` [Qemu-devel] [PATCH v3 1/2] block: Introduce coroutine lock to dirty bitmap Fam Zheng
2015-11-10 8:51 ` [Qemu-devel] [PATCH v3 2/2] mirror: Improve zero-write and discard with fragmented image Fam Zheng
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