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| author | Christoph Hellwig <hch@lst.de> | 2011-05-17 18:04:06 +0200 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2011-06-08 10:39:32 +0200 |
| commit | a659979328fb6d4d6100d398f5bd9a2310c3e169 (patch) | |
| tree | 8d465d20ea1efc82134941d9a589c4b224ce4b3b /qemu-io.c | |
| parent | 69c38b8fcec823da05f98f6ea98ec2b0013d64e2 (diff) | |
| download | qemu-a659979328fb6d4d6100d398f5bd9a2310c3e169.zip qemu-a659979328fb6d4d6100d398f5bd9a2310c3e169.tar.gz qemu-a659979328fb6d4d6100d398f5bd9a2310c3e169.tar.bz2 | |
block: clarify the meaning of BDRV_O_NOCACHE
Change BDRV_O_NOCACHE to only imply bypassing the host OS file cache,
but no writeback semantics. All existing callers are changed to also
specify BDRV_O_CACHE_WB to give them writeback semantics.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'qemu-io.c')
| -rw-r--r-- | qemu-io.c | 4 |
1 files changed, 2 insertions, 2 deletions
@@ -1655,7 +1655,7 @@ open_f(int argc, char **argv) flags |= BDRV_O_SNAPSHOT; break; case 'n': - flags |= BDRV_O_NOCACHE; + flags |= BDRV_O_NOCACHE | BDRV_O_CACHE_WB; break; case 'r': readonly = 1; @@ -1751,7 +1751,7 @@ int main(int argc, char **argv) flags |= BDRV_O_SNAPSHOT; break; case 'n': - flags |= BDRV_O_NOCACHE; + flags |= BDRV_O_NOCACHE | BDRV_O_CACHE_WB; break; case 'c': add_user_command(optarg); |