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| author | Paolo Bonzini <pbonzini@redhat.com> | 2011-10-21 13:16:28 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2011-12-22 11:53:57 +0100 |
| commit | 2c7989a9b13a45963548cf4d89535fe90d809cac (patch) | |
| tree | 141af5d1af68d61d6d7d2c595e832c9a94f5e77a /block | |
| parent | adcf6302de40e50a8010e7f2c79b3dac2eea6e0c (diff) | |
| download | qemu-2c7989a9b13a45963548cf4d89535fe90d809cac.zip qemu-2c7989a9b13a45963548cf4d89535fe90d809cac.tar.gz qemu-2c7989a9b13a45963548cf4d89535fe90d809cac.tar.bz2 | |
nbd: add support for NBD_CMD_FLAG_FUA
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'block')
| -rw-r--r-- | block/nbd.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/block/nbd.c b/block/nbd.c index 3f693e3..2f483cd 100644 --- a/block/nbd.c +++ b/block/nbd.c @@ -352,6 +352,10 @@ static int nbd_co_writev_1(BlockDriverState *bs, int64_t sector_num, struct nbd_reply reply; request.type = NBD_CMD_WRITE; + if (!bdrv_enable_write_cache(bs) && (s->nbdflags & NBD_FLAG_SEND_FUA)) { + request.type |= NBD_CMD_FLAG_FUA; + } + request.from = sector_num * 512; request.len = nb_sectors * 512; |