summaryrefslogtreecommitdiff
path: root/block/mirror.c
diff options
context:
space:
mode:
authorPaolo Bonzini <pbonzini@redhat.com>2017-02-13 14:52:32 +0100
committerStefan Hajnoczi <stefanha@redhat.com>2017-02-21 11:39:39 +0000
commitb9e413dd3756f71abe4e8cafe1d7a459ce74ccf4 (patch)
tree3ac75c8cdeedba60249c6eed8d0f35d060b884cf /block/mirror.c
parent1919631e6b5562e474690853eca3c35610201e16 (diff)
downloadqemu-b9e413dd3756f71abe4e8cafe1d7a459ce74ccf4.tar.gz
block: explicitly acquire aiocontext in aio callbacks that need it
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Reviewed-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 20170213135235.12274-16-pbonzini@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'block/mirror.c')
-rw-r--r--block/mirror.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/block/mirror.c b/block/mirror.c
index 301ba9219a..698a54e50f 100644
--- a/block/mirror.c
+++ b/block/mirror.c
@@ -132,6 +132,8 @@ static void mirror_write_complete(void *opaque, int ret)
{
MirrorOp *op = opaque;
MirrorBlockJob *s = op->s;
+
+ aio_context_acquire(blk_get_aio_context(s->common.blk));
if (ret < 0) {
BlockErrorAction action;
@@ -142,12 +144,15 @@ static void mirror_write_complete(void *opaque, int ret)
}
}
mirror_iteration_done(op, ret);
+ aio_context_release(blk_get_aio_context(s->common.blk));
}
static void mirror_read_complete(void *opaque, int ret)
{
MirrorOp *op = opaque;
MirrorBlockJob *s = op->s;
+
+ aio_context_acquire(blk_get_aio_context(s->common.blk));
if (ret < 0) {
BlockErrorAction action;
@@ -158,10 +163,11 @@ static void mirror_read_complete(void *opaque, int ret)
}
mirror_iteration_done(op, ret);
- return;
+ } else {
+ blk_aio_pwritev(s->target, op->sector_num * BDRV_SECTOR_SIZE, &op->qiov,
+ 0, mirror_write_complete, op);
}
- blk_aio_pwritev(s->target, op->sector_num * BDRV_SECTOR_SIZE, &op->qiov,
- 0, mirror_write_complete, op);
+ aio_context_release(blk_get_aio_context(s->common.blk));
}
static inline void mirror_clip_sectors(MirrorBlockJob *s,