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authorAlberto Garcia <berto@igalia.com>2015-11-02 16:51:53 +0200
committerMax Reitz <mreitz@redhat.com>2015-11-11 16:55:28 +0100
commit10f3cd15dd9913f8d959fbd061e6e00c45432093 (patch)
tree9af6feec99a2c28af8dde12546f301e28fb29dbc /block
parente6c17669eb0868013d9a17050d8eb2d598f06067 (diff)
mirror: block all operations on the target image during the job
There's nothing preventing the target image from being used by other operations during the 'drive-mirror' job, so we should block them all until the job is done. Signed-off-by: Alberto Garcia <berto@igalia.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Message-id: 82b88fd04cde918a08a6f9a4ab85626d7fd7b502.1446475331.git.berto@igalia.com Signed-off-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'block')
-rw-r--r--block/mirror.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/block/mirror.c b/block/mirror.c
index b1252a1b29..60f1cb589d 100644
--- a/block/mirror.c
+++ b/block/mirror.c
@@ -384,6 +384,7 @@ static void mirror_exit(BlockJob *job, void *opaque)
aio_context_release(replace_aio_context);
}
g_free(s->replaces);
+ bdrv_op_unblock_all(s->target, s->common.blocker);
bdrv_unref(s->target);
block_job_completed(&s->common, data->ret);
g_free(data);
@@ -744,6 +745,9 @@ static void mirror_start_job(BlockDriverState *bs, BlockDriverState *target,
block_job_release(bs);
return;
}
+
+ bdrv_op_block_all(s->target, s->common.blocker);
+
bdrv_set_enable_write_cache(s->target, true);
if (s->target->blk) {
blk_set_on_error(s->target->blk, on_target_error, on_target_error);