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authorKevin Wolf <kwolf@redhat.com>2016-03-04 14:53:50 +0100
committerKevin Wolf <kwolf@redhat.com>2016-03-14 16:46:43 +0100
commit6340472c54529c5b703deec3ab0d6bdfe644f11e (patch)
tree510ecb67b21864f7fb2d761d7dc724e976e9669c /block/sheepdog.c
parent2073d410ce3f2b1507bccd6aba68e8808647f9a9 (diff)
downloadqemu-6340472c54529c5b703deec3ab0d6bdfe644f11e.tar.gz
block: Use writeback in .bdrv_create() implementations
There's no reason to use a writethrough cache mode while creating an image. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block/sheepdog.c')
-rw-r--r--block/sheepdog.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/block/sheepdog.c b/block/sheepdog.c
index 05677ed983..2488a8e67d 100644
--- a/block/sheepdog.c
+++ b/block/sheepdog.c
@@ -1645,7 +1645,8 @@ static int sd_prealloc(const char *filename, Error **errp)
void *buf = NULL;
int ret;
- ret = bdrv_open(&bs, filename, NULL, NULL, BDRV_O_RDWR | BDRV_O_PROTOCOL,
+ ret = bdrv_open(&bs, filename, NULL, NULL,
+ BDRV_O_RDWR | BDRV_O_CACHE_WB | BDRV_O_PROTOCOL,
errp);
if (ret < 0) {
goto out_with_err_set;
@@ -1838,7 +1839,8 @@ static int sd_create(const char *filename, QemuOpts *opts,
}
bs = NULL;
- ret = bdrv_open(&bs, backing_file, NULL, NULL, BDRV_O_PROTOCOL, errp);
+ ret = bdrv_open(&bs, backing_file, NULL, NULL,
+ BDRV_O_PROTOCOL | BDRV_O_CACHE_WB, errp);
if (ret < 0) {
goto out;
}