diff options
| author | Ilya Dryomov <idryomov@gmail.com> | 2018-02-07 14:09:12 +0300 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2018-04-02 11:12:44 +0300 |
| commit | b13318521776304a37c8cb3e2a3e613d228a38f3 (patch) | |
| tree | 335ed93258686464c77b0f665635ce4c1ef2df08 /drivers/block | |
| parent | afb978884c3ec17227626eb371130a97671e5238 (diff) | |
| download | linux-b13318521776304a37c8cb3e2a3e613d228a38f3.tar.xz | |
rbd: allow "fancy" striping
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Acked-by: Jason Dillaman <dillaman@redhat.com>
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/rbd.c | 29 |
1 files changed, 2 insertions, 27 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 056865cfc596..9a7f172103bb 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -4615,9 +4615,6 @@ static int rbd_dev_v2_striping_info(struct rbd_device *rbd_dev) } __attribute__ ((packed)) striping_info_buf = { 0 }; size_t size = sizeof (striping_info_buf); void *p; - u64 obj_size; - u64 stripe_unit; - u64 stripe_count; int ret; ret = rbd_obj_method_sync(rbd_dev, &rbd_dev->header_oid, @@ -4629,31 +4626,9 @@ static int rbd_dev_v2_striping_info(struct rbd_device *rbd_dev) if (ret < size) return -ERANGE; - /* - * We don't actually support the "fancy striping" feature - * (STRIPINGV2) yet, but if the striping sizes are the - * defaults the behavior is the same as before. So find - * out, and only fail if the image has non-default values. - */ - ret = -EINVAL; - obj_size = rbd_obj_bytes(&rbd_dev->header); p = &striping_info_buf; - stripe_unit = ceph_decode_64(&p); - if (stripe_unit != obj_size) { - rbd_warn(rbd_dev, "unsupported stripe unit " - "(got %llu want %llu)", - stripe_unit, obj_size); - return -EINVAL; - } - stripe_count = ceph_decode_64(&p); - if (stripe_count != 1) { - rbd_warn(rbd_dev, "unsupported stripe count " - "(got %llu want 1)", stripe_count); - return -EINVAL; - } - rbd_dev->header.stripe_unit = stripe_unit; - rbd_dev->header.stripe_count = stripe_count; - + rbd_dev->header.stripe_unit = ceph_decode_64(&p); + rbd_dev->header.stripe_count = ceph_decode_64(&p); return 0; } |