diff options
| author | Josh Durgin <josh.durgin@dreamhost.com> | 2011-05-26 16:07:34 -0700 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2011-06-08 11:56:40 +0200 |
| commit | 30cdc48cc8c9ad28e1b95460021d0c121b3ed4f4 (patch) | |
| tree | bed18eaea81048779d0e23b4d6c50f05bb0c7bfa /block/rbd.c | |
| parent | 51a135287ae6be62d54d7ac2a99e647cbab1a828 (diff) | |
rbd: Add bdrv_truncate implementation
Reviewed-by: Christian Brunner <chb@muc.de>
Signed-off-by: Josh Durgin <josh.durgin@dreamhost.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block/rbd.c')
| -rw-r--r-- | block/rbd.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/block/rbd.c b/block/rbd.c index f4da6ab13a..bdc448aa9f 100644 --- a/block/rbd.c +++ b/block/rbd.c @@ -688,6 +688,19 @@ static int64_t qemu_rbd_getlength(BlockDriverState *bs) return info.size; } +static int qemu_rbd_truncate(BlockDriverState *bs, int64_t offset) +{ + BDRVRBDState *s = bs->opaque; + int r; + + r = rbd_resize(s->image, offset); + if (r < 0) { + return r; + } + + return 0; +} + static int qemu_rbd_snap_create(BlockDriverState *bs, QEMUSnapshotInfo *sn_info) { @@ -784,6 +797,7 @@ static BlockDriver bdrv_rbd = { .bdrv_get_info = qemu_rbd_getinfo, .create_options = qemu_rbd_create_options, .bdrv_getlength = qemu_rbd_getlength, + .bdrv_truncate = qemu_rbd_truncate, .protocol_name = "rbd", .bdrv_aio_readv = qemu_rbd_aio_readv, |