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| author | Kevin Wolf <kwolf@redhat.com> | 2011-01-27 16:46:01 +0100 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2011-02-07 09:44:22 +0100 |
| commit | e1a7107f2d92af646ec37b74d074dc150e688559 (patch) | |
| tree | 4016c9de0053b3cb87e9bebdfc159acea7a55163 /block | |
| parent | ad36ce8ba95a756ef558579c6e9ecedfae4dfd0b (diff) | |
| download | qemu-e1a7107f2d92af646ec37b74d074dc150e688559.zip qemu-e1a7107f2d92af646ec37b74d074dc150e688559.tar.gz qemu-e1a7107f2d92af646ec37b74d074dc150e688559.tar.bz2 | |
qcow2: Really use cache=unsafe for image creation
For cache=unsafe we also need to set BDRV_O_CACHE_WB, otherwise we have some
strange unsafe writethrough mode.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Diffstat (limited to 'block')
| -rw-r--r-- | block/qcow2.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/block/qcow2.c b/block/qcow2.c index dbe4fdd..a1773e4 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -975,7 +975,8 @@ static int qcow2_create2(const char *filename, int64_t total_size, */ BlockDriver* drv = bdrv_find_format("qcow2"); assert(drv != NULL); - ret = bdrv_open(bs, filename, BDRV_O_RDWR | BDRV_O_NO_FLUSH, drv); + ret = bdrv_open(bs, filename, + BDRV_O_RDWR | BDRV_O_CACHE_WB | BDRV_O_NO_FLUSH, drv); if (ret < 0) { goto out; } |