diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/rbd.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/block/rbd.c b/block/rbd.c index 47cab8b..5b5a64a 100644 --- a/block/rbd.c +++ b/block/rbd.c @@ -887,6 +887,18 @@ static BlockAIOCB* qemu_rbd_aio_discard(BlockDriverState *bs, } #endif +#ifdef LIBRBD_SUPPORTS_INVALIDATE +static void qemu_rbd_invalidate_cache(BlockDriverState *bs, + Error **errp) +{ + BDRVRBDState *s = bs->opaque; + int r = rbd_invalidate_cache(s->image); + if (r < 0) { + error_setg_errno(errp, -r, "Failed to invalidate the cache"); + } +} +#endif + static QemuOptsList qemu_rbd_create_opts = { .name = "rbd-create-opts", .head = QTAILQ_HEAD_INITIALIZER(qemu_rbd_create_opts.head), @@ -936,6 +948,9 @@ static BlockDriver bdrv_rbd = { .bdrv_snapshot_delete = qemu_rbd_snap_remove, .bdrv_snapshot_list = qemu_rbd_snap_list, .bdrv_snapshot_goto = qemu_rbd_snap_rollback, +#ifdef LIBRBD_SUPPORTS_INVALIDATE + .bdrv_invalidate_cache = qemu_rbd_invalidate_cache, +#endif }; static void bdrv_rbd_init(void) |