diff options
Diffstat (limited to 'block/file-posix.c')
| -rw-r--r-- | block/file-posix.c | 32 |
1 files changed, 24 insertions, 8 deletions
diff --git a/block/file-posix.c b/block/file-posix.c index 16f2b202c6..88887108a7 100644 --- a/block/file-posix.c +++ b/block/file-posix.c @@ -1608,8 +1608,9 @@ static int handle_aiocb_copy_range(void *opaque) return 0; } -static ssize_t handle_aiocb_discard(RawPosixAIOData *aiocb) +static int handle_aiocb_discard(void *opaque) { + RawPosixAIOData *aiocb = opaque; int ret = -EOPNOTSUPP; BDRVRawState *s = aiocb->bs->opaque; @@ -1804,8 +1805,6 @@ static int aio_worker(void *arg) ret = handle_aiocb_ioctl(aiocb); break; case QEMU_AIO_DISCARD: - ret = handle_aiocb_discard(aiocb); - break; case QEMU_AIO_WRITE_ZEROES: case QEMU_AIO_WRITE_ZEROES | QEMU_AIO_DISCARD: case QEMU_AIO_COPY_RANGE: @@ -2622,11 +2621,30 @@ static void coroutine_fn raw_co_invalidate_cache(BlockDriverState *bs, } static coroutine_fn int -raw_co_pdiscard(BlockDriverState *bs, int64_t offset, int bytes) +raw_do_pdiscard(BlockDriverState *bs, int64_t offset, int bytes, bool blkdev) { BDRVRawState *s = bs->opaque; + RawPosixAIOData acb; + + acb = (RawPosixAIOData) { + .bs = bs, + .aio_fildes = s->fd, + .aio_type = QEMU_AIO_DISCARD, + .aio_offset = offset, + .aio_nbytes = bytes, + }; - return paio_submit_co(bs, s->fd, offset, NULL, bytes, QEMU_AIO_DISCARD); + if (blkdev) { + acb.aio_type |= QEMU_AIO_BLKDEV; + } + + return raw_thread_pool_submit(bs, handle_aiocb_discard, &acb); +} + +static coroutine_fn int +raw_co_pdiscard(BlockDriverState *bs, int64_t offset, int bytes) +{ + return raw_do_pdiscard(bs, offset, bytes, false); } static int coroutine_fn @@ -3154,15 +3172,13 @@ static int fd_open(BlockDriverState *bs) static coroutine_fn int hdev_co_pdiscard(BlockDriverState *bs, int64_t offset, int bytes) { - BDRVRawState *s = bs->opaque; int ret; ret = fd_open(bs); if (ret < 0) { return ret; } - return paio_submit_co(bs, s->fd, offset, NULL, bytes, - QEMU_AIO_DISCARD | QEMU_AIO_BLKDEV); + return raw_do_pdiscard(bs, offset, bytes, true); } static coroutine_fn int hdev_co_pwrite_zeroes(BlockDriverState *bs, |