@@ -349,7 +349,7 @@ void bdrv_get_full_backing_filename(BlockDriverState *bs, char *dest, size_t sz,
dest, sz, errp);
}
-void bdrv_register(BlockDriver *bdrv)
+void bdrv_setup_io_funcs(BlockDriver *bdrv)
{
/* Block drivers without coroutine functions need emulation */
if (!bdrv->bdrv_co_readv) {
@@ -365,6 +365,11 @@ void bdrv_register(BlockDriver *bdrv)
bdrv->bdrv_aio_writev = bdrv_aio_writev_em;
}
}
+}
+
+void bdrv_register(BlockDriver *bdrv)
+{
+ bdrv_setup_io_funcs(bdrv);
QLIST_INSERT_HEAD(&bdrv_drivers, bdrv, list);
}
@@ -439,6 +439,14 @@ extern BlockDriver bdrv_file;
extern BlockDriver bdrv_raw;
extern BlockDriver bdrv_qcow2;
+/**
+ * bdrv_setup_io_funcs:
+ *
+ * Prepare a #BlockDriver for I/O request processing by populating
+ * unimplemented coroutine and AIO interfaces with generic wrapper functions
+ * that fall back to implemented interfaces.
+ */
+void bdrv_setup_io_funcs(BlockDriver *bdrv);
int get_tmp_filename(char *filename, int size);
BlockDriver *bdrv_probe_all(const uint8_t *buf, int buf_size,
Move the code to install coroutine and aio emulation function pointers in a BlockDriver to its own function. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> --- block.c | 7 ++++++- include/block/block_int.h | 8 ++++++++ 2 files changed, 14 insertions(+), 1 deletion(-)