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authorKevin Wolf <kwolf@redhat.com>2010-10-21 16:43:43 +0200
committerKevin Wolf <kwolf@redhat.com>2010-11-04 12:52:16 +0100
commit205ef7961f781496366e0a93a4ec621ad3724bd7 (patch)
tree7c1861837185ba98074140dba8f03e65941c8c8c /block/cow.c
parent5dba48a882c126ccc86db6506cfa6dcca97badab (diff)
block: Allow bdrv_flush to return errors
This changes bdrv_flush to return 0 on success and -errno in case of failure. It's a requirement for implementing proper error handle in users of bdrv_flush. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Diffstat (limited to 'block/cow.c')
-rw-r--r--block/cow.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/block/cow.c b/block/cow.c
index eedcc48772..4cf543c832 100644
--- a/block/cow.c
+++ b/block/cow.c
@@ -282,9 +282,9 @@ exit:
return ret;
}
-static void cow_flush(BlockDriverState *bs)
+static int cow_flush(BlockDriverState *bs)
{
- bdrv_flush(bs->file);
+ return bdrv_flush(bs->file);
}
static QEMUOptionParameter cow_create_options[] = {