diff options
| author | Max Reitz <mreitz@redhat.com> | 2017-06-13 22:20:52 +0200 |
|---|---|---|
| committer | Max Reitz <mreitz@redhat.com> | 2017-07-11 17:45:01 +0200 |
| commit | 8243ccb7433e59a3faa3cca27fb6c40d6da2b37c (patch) | |
| tree | 18ab94c4ea476c161f7c579c30e9203abb96afbc /block/gluster.c | |
| parent | 32a1681adc44f52e7c8a19408cd3be8452a0897b (diff) | |
| download | qemu-8243ccb7433e59a3faa3cca27fb6c40d6da2b37c.tar.gz | |
block: Add PreallocMode to BD.bdrv_truncate()
Add a PreallocMode parameter to the bdrv_truncate() function implemented
by each block driver. Currently, we always pass PREALLOC_MODE_OFF and no
driver accepts anything else.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20170613202107.10125-2-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'block/gluster.c')
| -rw-r--r-- | block/gluster.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/block/gluster.c b/block/gluster.c index addceed6eb..bfa4df1c81 100644 --- a/block/gluster.c +++ b/block/gluster.c @@ -1096,11 +1096,17 @@ static coroutine_fn int qemu_gluster_co_rw(BlockDriverState *bs, } static int qemu_gluster_truncate(BlockDriverState *bs, int64_t offset, - Error **errp) + PreallocMode prealloc, Error **errp) { int ret; BDRVGlusterState *s = bs->opaque; + if (prealloc != PREALLOC_MODE_OFF) { + error_setg(errp, "Unsupported preallocation mode '%s'", + PreallocMode_lookup[prealloc]); + return -ENOTSUP; + } + ret = glfs_ftruncate(s->fd, offset); if (ret < 0) { ret = -errno; |