diff options
| author | Kevin Wolf <kwolf@redhat.com> | 2017-03-09 11:49:16 +0100 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2017-03-13 12:49:33 +0100 |
| commit | fd4a6493bb7c5f9bea0e7d9de09ccc0d573e3789 (patch) | |
| tree | f2b400f0a8e4ffcaf72ea43b80ae2cfd1f737040 /block/mirror.c | |
| parent | 9e7e940c3dc9d9643065dc0f64eb51efca954e54 (diff) | |
mirror: Implement .bdrv_refresh_filename
We want query-block to return the right filename, even if a mirror job
put a bdrv_mirror_top on top of the actual image format driver. Let
bdrv_mirror_top.bdrv_refresh_filename get the filename from its backing
file.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Diffstat (limited to 'block/mirror.c')
| -rw-r--r-- | block/mirror.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/block/mirror.c b/block/mirror.c index a5d30ee575..4f3a5cb310 100644 --- a/block/mirror.c +++ b/block/mirror.c @@ -12,6 +12,7 @@ */ #include "qemu/osdep.h" +#include "qemu/cutils.h" #include "trace.h" #include "block/blockjob_int.h" #include "block/block_int.h" @@ -1060,6 +1061,13 @@ static int coroutine_fn bdrv_mirror_top_pdiscard(BlockDriverState *bs, return bdrv_co_pdiscard(bs->backing->bs, offset, count); } +static void bdrv_mirror_top_refresh_filename(BlockDriverState *bs, QDict *opts) +{ + bdrv_refresh_filename(bs->backing->bs); + pstrcpy(bs->exact_filename, sizeof(bs->exact_filename), + bs->backing->bs->filename); +} + static void bdrv_mirror_top_close(BlockDriverState *bs) { } @@ -1088,6 +1096,7 @@ static BlockDriver bdrv_mirror_top = { .bdrv_co_pdiscard = bdrv_mirror_top_pdiscard, .bdrv_co_flush = bdrv_mirror_top_flush, .bdrv_co_get_block_status = bdrv_mirror_top_get_block_status, + .bdrv_refresh_filename = bdrv_mirror_top_refresh_filename, .bdrv_close = bdrv_mirror_top_close, .bdrv_child_perm = bdrv_mirror_top_child_perm, }; |