diff options
Diffstat (limited to 'qemu-nbd.c')
| -rw-r--r-- | qemu-nbd.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/qemu-nbd.c b/qemu-nbd.c index 65ebec598f..9d895ba24b 100644 --- a/qemu-nbd.c +++ b/qemu-nbd.c @@ -135,7 +135,9 @@ static void usage(const char *name) " 'snapshot.id=[ID],snapshot.name=[NAME]', or\n" " '[ID_OR_NAME]'\n" " -n, --nocache disable host cache\n" -" --cache=MODE set cache mode (none, writeback, ...)\n" +" --cache=MODE set cache mode used to access the disk image, the\n" +" valid options are: 'none', 'writeback' (default),\n" +" 'writethrough', 'directsync' and 'unsafe'\n" " --aio=MODE set AIO mode (native, io_uring or threads)\n" " --discard=MODE set discard mode (ignore, unmap)\n" " --detect-zeroes=MODE set detect-zeroes mode (off, on, unmap)\n" @@ -552,7 +554,7 @@ int main(int argc, char **argv) bool alloc_depth = false; const char *tlscredsid = NULL; bool imageOpts = false; - bool writethrough = true; + bool writethrough = false; /* Client will flush as needed. */ bool fork_process = false; bool list = false; int old_stderr = -1; |