diff options
| -rw-r--r-- | block/raw-posix.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/block/raw-posix.c b/block/raw-posix.c index 844ac21082..24d85826c4 100644 --- a/block/raw-posix.c +++ b/block/raw-posix.c @@ -503,6 +503,14 @@ static int raw_open_common(BlockDriverState *bs, QDict *options, error_setg_errno(errp, -ret, "Could not set AIO state"); goto fail; } + if (!s->use_aio && (bdrv_flags & BDRV_O_NATIVE_AIO)) { + error_printf("WARNING: aio=native was specified for '%s', but " + "it requires cache.direct=on, which was not " + "specified. Falling back to aio=threads.\n" + " This will become an error condition in " + "future QEMU versions.\n", + bs->filename); + } #endif s->has_discard = true; |