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| author | Adam Crume <adamcrume@gmail.com> | 2014-10-09 11:44:32 -0700 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2014-11-03 09:48:41 +0000 |
| commit | be21788495fdc8251b04dd4bfd0cdce95c49d75b (patch) | |
| tree | 9f713280205f1b1b86ffdb57830b77260c620ead | |
| parent | da725d0b0e843ab496e0be6b9ead3cdd55cc0e3d (diff) | |
| download | virtio-serial-be21788495fdc8251b04dd4bfd0cdce95c49d75b.tar.gz | |
rbd: Add support for bdrv_invalidate_cache
This fixes Ceph issue 2467: ttp://tracker.ceph.com/issues/2467
[Dropped return r in void function as suggested by Josh Durgin
<josh.durgin@inktank.com>.
--Stefan]
Signed-off-by: Adam Crume <adamcrume@gmail.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1412880272-3154-1-git-send-email-adamcrume@gmail.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
| -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 47cab8be942..5b5a64a27aa 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) |