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rbd: BUG on invalid layout 

This shouldn't actually be possible because the layout struct is
constructed from the RBD header and validated then.

[elder@inktank.com: converted BUG() call to equivalent rbd_assert()]

Signed-off-by: Sage Weil <sage@inktank.com>
Reviewed-by: Alex Elder <elder@inktank.com>
This commit is contained in:
Sage Weil 2012-09-24 21:02:47 -07:00 committed by Alex Elder
parent 6816282dab
commit 6cae3717cd
1 changed files with 3 additions and 2 deletions
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5
drivers/block/rbd.c
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@ -1020,8 +1020,9 @@ static int rbd_do_request(struct request *rq,
layout->fl_stripe_count = cpu_to_le32(1);
layout->fl_object_size = cpu_to_le32(1 << RBD_MAX_OBJ_ORDER);
layout->fl_pg_pool = cpu_to_le32(rbd_dev->pool_id);
ceph_calc_raw_layout(osdc, layout, snapid, ofs, &len, &bno,
req, ops);
ret = ceph_calc_raw_layout(osdc, layout, snapid, ofs, &len, &bno,
req, ops);
rbd_assert(ret == 0);
ceph_osdc_build_request(req, ofs, &len,
ops,