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authorKevin Wolf <kwolf@redhat.com>2017-01-17 11:56:42 +0100
committerKevin Wolf <kwolf@redhat.com>2017-02-28 20:40:37 +0100
commit76d554e20bd0a965ac22d6155a129be12fac2667 (patch)
treedd9e34a6339d8cebb1c60a51782cb6ae84490dcd /block/commit.c
parent26de9438c1b6013532fb95de0720e2696588332f (diff)
downloadqemu-76d554e20bd0a965ac22d6155a129be12fac2667.tar.gz
blockjob: Add permissions to block_job_add_bdrv()
Block jobs don't actually do I/O through the the reference they create with block_job_add_bdrv(), but they might want to use the permisssion system to express what the block job does to intermediate nodes. This adds permissions to block_job_add_bdrv() to provide the means to request permissions. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Acked-by: Fam Zheng <famz@redhat.com>
Diffstat (limited to 'block/commit.c')
-rw-r--r--block/commit.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/block/commit.c b/block/commit.c
index 60d29a9c0f..b69586ff7b 100644
--- a/block/commit.c
+++ b/block/commit.c
@@ -267,13 +267,17 @@ void commit_start(const char *job_id, BlockDriverState *bs,
* disappear from the chain after this operation. */
assert(bdrv_chain_contains(top, base));
for (iter = top; iter != backing_bs(base); iter = backing_bs(iter)) {
- block_job_add_bdrv(&s->common, iter);
+ /* FIXME Use real permissions */
+ block_job_add_bdrv(&s->common, "intermediate node", iter, 0,
+ BLK_PERM_ALL, &error_abort);
}
/* overlay_bs must be blocked because it needs to be modified to
* update the backing image string, but if it's the root node then
* don't block it again */
if (bs != overlay_bs) {
- block_job_add_bdrv(&s->common, overlay_bs);
+ /* FIXME Use real permissions */
+ block_job_add_bdrv(&s->common, "overlay of top", overlay_bs, 0,
+ BLK_PERM_ALL, &error_abort);
}
/* FIXME Use real permissions */