Like for read/write in a previous commit, drop extra indirection layer,
generate directly bdrv_readv_vmstate() and bdrv_writev_vmstate().
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsement...@virtuozzo.com>
---
block/coroutines.h | 10 +++----
include/block/block.h | 6 ++--
block/io.c | 67 ++++++++++++++++++++++---------------------
3 files changed, 42 insertions(+), 41 deletions(-)
diff --git a/block/coroutines.h b/block/coroutines.h
index 233b8b3694..fd0dd6a5e6 100644
--- a/block/coroutines.h
+++ b/block/coroutines.h
@@ -58,11 +58,9 @@ bdrv_common_block_status_above(BlockDriverState *bs,
int64_t *map,
BlockDriverState **file);
-int coroutine_fn
-bdrv_co_rw_vmstate(BlockDriverState *bs, QEMUIOVector *qiov, int64_t pos,
- bool is_read);
-int generated_co_wrapper
-bdrv_rw_vmstate(BlockDriverState *bs, QEMUIOVector *qiov, int64_t pos,
- bool is_read);
+int coroutine_fn bdrv_co_readv_vmstate(BlockDriverState *bs,
+ QEMUIOVector *qiov, int64_t pos);
+int coroutine_fn bdrv_co_writev_vmstate(BlockDriverState *bs,
+ QEMUIOVector *qiov, int64_t pos);
#endif /* BLOCK_COROUTINES_INT_H */
diff --git a/include/block/block.h b/include/block/block.h
index dce99f8453..618c0b76b5 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -568,8 +568,10 @@ int path_has_protocol(const char *path);
int path_is_absolute(const char *path);
char *path_combine(const char *base_path, const char *filename);
-int bdrv_readv_vmstate(BlockDriverState *bs, QEMUIOVector *qiov, int64_t pos);
-int bdrv_writev_vmstate(BlockDriverState *bs, QEMUIOVector *qiov, int64_t pos);
+int generated_co_wrapper
+bdrv_readv_vmstate(BlockDriverState *bs, QEMUIOVector *qiov, int64_t pos);
+int generated_co_wrapper
+bdrv_writev_vmstate(BlockDriverState *bs, QEMUIOVector *qiov, int64_t pos);
int bdrv_save_vmstate(BlockDriverState *bs, const uint8_t *buf,
int64_t pos, int size);
diff --git a/block/io.c b/block/io.c
index 305ee7219a..8c1da3c335 100644
--- a/block/io.c
+++ b/block/io.c
@@ -2491,66 +2491,67 @@ int bdrv_is_allocated_above(BlockDriverState *top,
}
int coroutine_fn
-bdrv_co_rw_vmstate(BlockDriverState *bs, QEMUIOVector *qiov, int64_t pos,
- bool is_read)
+bdrv_co_readv_vmstate(BlockDriverState *bs, QEMUIOVector *qiov, int64_t pos)
{
BlockDriver *drv = bs->drv;
int ret = -ENOTSUP;
+ if (!drv) {
+ return -ENOMEDIUM;
+ }
+
bdrv_inc_in_flight(bs);
- if (!drv) {
- ret = -ENOMEDIUM;
- } else if (drv->bdrv_load_vmstate) {
- if (is_read) {
- ret = drv->bdrv_load_vmstate(bs, qiov, pos);
- } else {
- ret = drv->bdrv_save_vmstate(bs, qiov, pos);
- }
+ if (drv->bdrv_load_vmstate) {
+ ret = drv->bdrv_load_vmstate(bs, qiov, pos);
} else if (bs->file) {
- ret = bdrv_co_rw_vmstate(bs->file->bs, qiov, pos, is_read);
+ ret = bdrv_co_readv_vmstate(bs->file->bs, qiov, pos);
}
bdrv_dec_in_flight(bs);
+
return ret;
}
-int bdrv_save_vmstate(BlockDriverState *bs, const uint8_t *buf,
- int64_t pos, int size)
+int coroutine_fn
+bdrv_co_writev_vmstate(BlockDriverState *bs, QEMUIOVector *qiov, int64_t pos)
{
- QEMUIOVector qiov = QEMU_IOVEC_INIT_BUF(qiov, buf, size);
- int ret;
+ BlockDriver *drv = bs->drv;
+ int ret = -ENOTSUP;
- ret = bdrv_writev_vmstate(bs, &qiov, pos);
- if (ret < 0) {
- return ret;
+ if (!drv) {
+ return -ENOMEDIUM;
}
- return size;
-}
+ bdrv_inc_in_flight(bs);
-int bdrv_writev_vmstate(BlockDriverState *bs, QEMUIOVector *qiov, int64_t pos)
-{
- return bdrv_rw_vmstate(bs, qiov, pos, false);
+ if (drv->bdrv_load_vmstate) {
+ ret = drv->bdrv_save_vmstate(bs, qiov, pos);
+ } else if (bs->file) {
+ ret = bdrv_co_writev_vmstate(bs->file->bs, qiov, pos);
+ }
+
+ bdrv_dec_in_flight(bs);
+
+ return ret;
}
-int bdrv_load_vmstate(BlockDriverState *bs, uint8_t *buf,
+int bdrv_save_vmstate(BlockDriverState *bs, const uint8_t *buf,
int64_t pos, int size)
{
QEMUIOVector qiov = QEMU_IOVEC_INIT_BUF(qiov, buf, size);
- int ret;
-
- ret = bdrv_readv_vmstate(bs, &qiov, pos);
- if (ret < 0) {
- return ret;
- }
+ int ret = bdrv_writev_vmstate(bs, &qiov, pos);
- return size;
+ return ret < 0 ? ret : size;
}
-int bdrv_readv_vmstate(BlockDriverState *bs, QEMUIOVector *qiov, int64_t pos)
+int bdrv_load_vmstate(BlockDriverState *bs, uint8_t *buf,
+ int64_t pos, int size)
{
- return bdrv_rw_vmstate(bs, qiov, pos, true);
+ QEMUIOVector qiov = QEMU_IOVEC_INIT_BUF(qiov, buf, size);
+ int ret = bdrv_readv_vmstate(bs, &qiov, pos);
+
+ return ret < 0 ? ret : size;
}
/**************************************************************/
--
2.21.0
