diff options
Diffstat (limited to 'tools/ioemu/block-raw.c')
| -rw-r--r-- | tools/ioemu/block-raw.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/tools/ioemu/block-raw.c b/tools/ioemu/block-raw.c index 182d2ec55e..cbc049f64e 100644 --- a/tools/ioemu/block-raw.c +++ b/tools/ioemu/block-raw.c @@ -496,6 +496,21 @@ static void raw_aio_cancel(BlockDriverAIOCB *blockacb) pacb = &acb->next; } } + +static BlockDriverAIOCB *raw_aio_flush(BlockDriverState *bs, + BlockDriverCompletionFunc *cb, void *opaque) +{ + RawAIOCB *acb; + + acb = raw_aio_setup(bs, 0, NULL, 0, cb, opaque); + if (!acb) + return NULL; + if (aio_fsync(O_SYNC, &acb->aiocb) < 0) { + qemu_aio_release(acb); + return NULL; + } + return &acb->common; +} #endif static void raw_close(BlockDriverState *bs) @@ -600,10 +615,12 @@ static int raw_create(const char *filename, int64_t total_size, return 0; } -static void raw_flush(BlockDriverState *bs) +static int raw_flush(BlockDriverState *bs) { BDRVRawState *s = bs->opaque; - fsync(s->fd); + if (fsync(s->fd)) + return errno; + return 0; } BlockDriver bdrv_raw = { @@ -621,6 +638,7 @@ BlockDriver bdrv_raw = { .bdrv_aio_read = raw_aio_read, .bdrv_aio_write = raw_aio_write, .bdrv_aio_cancel = raw_aio_cancel, + .bdrv_aio_flush = raw_aio_flush, .aiocb_size = sizeof(RawAIOCB), #endif .protocol_name = "file", @@ -959,6 +977,7 @@ BlockDriver bdrv_host_device = { .bdrv_aio_read = raw_aio_read, .bdrv_aio_write = raw_aio_write, .bdrv_aio_cancel = raw_aio_cancel, + .bdrv_aio_flush = raw_aio_flush, .aiocb_size = sizeof(RawAIOCB), #endif .bdrv_pread = raw_pread, |