diff options
| author | Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> | 2019-06-04 19:15:06 +0300 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2019-08-27 14:58:42 +0100 |
| commit | ac850bf099f8a356788d487c5205345dfd755fca (patch) | |
| tree | 4a28c7ae9b6ff9c90ad8231885eabc7a42df49f6 /block/backup.c | |
| parent | 7a3f542fbdfd799be4fa6f8b96dc8c1e6933fce4 (diff) | |
block: define .*_part io handlers in BlockDriver
Add handlers supporting qiov_offset parameter:
bdrv_co_preadv_part
bdrv_co_pwritev_part
bdrv_co_pwritev_compressed_part
This is used to reduce need of defining local_qiovs and hd_qiovs in all
corners of block layer code. The following patches will increase usage
of this new API part by part.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20190604161514.262241-5-vsementsov@virtuozzo.com
Message-Id: <20190604161514.262241-5-vsementsov@virtuozzo.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'block/backup.c')
| -rw-r--r-- | block/backup.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/block/backup.c b/block/backup.c index 2baf7bed65..03637aeb11 100644 --- a/block/backup.c +++ b/block/backup.c @@ -674,7 +674,7 @@ BlockJob *backup_job_create(const char *job_id, BlockDriverState *bs, return NULL; } - if (compress && target->drv->bdrv_co_pwritev_compressed == NULL) { + if (compress && !block_driver_can_compress(target->drv)) { error_setg(errp, "Compression is not supported for this drive %s", bdrv_get_device_name(target)); return NULL; |