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author | Emanuele Giuseppe Esposito <eesposit@redhat.com> | 2023-05-04 13:57:43 +0200 |
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committer | Kevin Wolf <kwolf@redhat.com> | 2023-05-10 14:16:54 +0200 |
commit | de335638a399b614d510b978b5c6d1b237e0ac79 (patch) | |
tree | 53eb19797af6ce0311664b5aa6e3c5d3bfe31bf1 /block.c | |
parent | 9c93652da6784314519968c65c05fcaccfe56193 (diff) | |
download | qemu-de335638a399b614d510b978b5c6d1b237e0ac79.zip qemu-de335638a399b614d510b978b5c6d1b237e0ac79.tar.gz qemu-de335638a399b614d510b978b5c6d1b237e0ac79.tar.bz2 |
block: Mark bdrv_co_get_allocated_file_size() and callers GRAPH_RDLOCK
This adds GRAPH_RDLOCK annotations to declare that callers of
bdrv_co_get_allocated_file_size() need to hold a reader lock for the
graph.
Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20230504115750.54437-14-kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block.c')
-rw-r--r-- | block.c | 4 |
1 files changed, 3 insertions, 1 deletions
@@ -5750,7 +5750,8 @@ exit: * sums the size of all data-bearing children. (This excludes backing * children.) */ -static int64_t coroutine_fn bdrv_sum_allocated_file_size(BlockDriverState *bs) +static int64_t coroutine_fn GRAPH_RDLOCK +bdrv_sum_allocated_file_size(BlockDriverState *bs) { BdrvChild *child; int64_t child_size, sum = 0; @@ -5778,6 +5779,7 @@ int64_t coroutine_fn bdrv_co_get_allocated_file_size(BlockDriverState *bs) { BlockDriver *drv = bs->drv; IO_CODE(); + assert_bdrv_graph_readable(); if (!drv) { return -ENOMEDIUM; |