Commit 30cdc48c authored by Josh Durgin's avatar Josh Durgin Committed by Kevin Wolf
Browse files

rbd: Add bdrv_truncate implementation 



Reviewed-by: default avatarChristian Brunner <chb@muc.de>
Signed-off-by: default avatarJosh Durgin <josh.durgin@dreamhost.com>
Signed-off-by: default avatarKevin Wolf <kwolf@redhat.com>
parent 51a13528

block/rbd.c

+14 −0
Original line number Diff line number Diff line
@@ -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,