Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-reques…

…t' into staging Pull request # gpg: Signature made Tue 27 Aug 2019 21:16:27 BST # gpg: using RSA key 8695A8BFD3F97CDAAC35775A9CA4ABB381AB73C8 # gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [full] # gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" [full] # Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8 * remotes/stefanha/tags/block-pull-request: block/qcow2: implement .bdrv_co_pwritev(_compressed)_part block/qcow2: implement .bdrv_co_preadv_part block/qcow2: refactor qcow2_co_preadv to use buffer-based io block/io: introduce bdrv_co_p{read, write}v_part block/io: bdrv_aligned_pwritev: use and support qiov_offset block/io: bdrv_aligned_preadv: use and support qiov_offset block/io: bdrv_co_do_copy_on_readv: lazy allocation block/io: bdrv_co_do_copy_on_readv: use and support qiov_offset block: define .*_part io handlers in BlockDriver block/io: refactor padding util/iov: improve qemu_iovec_is_zero util/iov: introduce qemu_iovec_init_extended Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
qemu · Sep 3, 2019 · 54b89db · 54b89db
2 parents d39b626 + 5396234
commit 54b89db
Show file tree

Hide file tree

Showing 9 changed files with 568 additions and 309 deletions.
diff --git 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;