Clarify that for protocols the brdv_file_open function is used instead
of bdrv_open and that protocol_name is expected to be set.
Signed-off-by: Fabiano Rosas <faro...@linux.vnet.ibm.com>
---
include/block/block_int.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/include/block/block_int.h b/include/block/block_int.h
index 64a5700f2b..d5e864c2dc 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -126,6 +126,8 @@ struct BlockDriver {
int (*bdrv_open)(BlockDriverState *bs, QDict *options, int flags,
Error **errp);
+
+ /* Protocol drivers should implement this instead of bdrv_open */
int (*bdrv_file_open)(BlockDriverState *bs, QDict *options, int flags,
Error **errp);
void (*bdrv_close)(BlockDriverState *bs);
@@ -247,6 +249,10 @@ struct BlockDriver {
*/
int coroutine_fn (*bdrv_co_flush_to_os)(BlockDriverState *bs);
+ /*
+ * Drivers that set this field should also provide a
+ * bdrv_file_open implementation
+ */
const char *protocol_name;
int (*bdrv_truncate)(BlockDriverState *bs, int64_t offset,
PreallocMode prealloc, Error **errp);
--
2.13.6
