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| author | Emanuele Giuseppe Esposito | 2022-03-03 16:16:09 +0100 |
|---|---|---|
| committer | Kevin Wolf | 2022-03-04 18:18:25 +0100 |
| commit | 1581a70ddd0cd71a8520027d7136ed1e2f6bd19b (patch) | |
| tree | 1959df08dca1a7e424448e52d4debdc7c5a97b74 /block.c | |
| parent | block/copy-before-write.h: global state API + assertions (diff) | |
| download | qemu-1581a70ddd0cd71a8520027d7136ed1e2f6bd19b.tar.gz qemu-1581a70ddd0cd71a8520027d7136ed1e2f6bd19b.tar.xz qemu-1581a70ddd0cd71a8520027d7136ed1e2f6bd19b.zip | |
block/coroutines: I/O and "I/O or GS" API
block coroutines functions run in different aiocontext, and are
not protected by the BQL. Therefore are I/O.
On the other side, generated_co_wrapper functions use BDRV_POLL_WHILE,
meaning the caller can either be the main loop or a specific iothread.
Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Message-Id: <20220303151616.325444-25-eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block.c')
| -rw-r--r-- | block.c | 2 |
1 files changed, 2 insertions, 0 deletions
@@ -5454,6 +5454,7 @@ fail: int coroutine_fn bdrv_co_check(BlockDriverState *bs, BdrvCheckResult *res, BdrvCheckMode fix) { + IO_CODE(); if (bs->drv == NULL) { return -ENOMEDIUM; } @@ -6663,6 +6664,7 @@ int bdrv_activate(BlockDriverState *bs, Error **errp) int coroutine_fn bdrv_co_invalidate_cache(BlockDriverState *bs, Error **errp) { Error *local_err = NULL; + IO_CODE(); assert(!(bs->open_flags & BDRV_O_INACTIVE)); |