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| author | Nicholas Bellinger <nab@linux-iscsi.org> | 2014-02-20 00:52:01 +0000 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2014-02-21 15:56:36 -0800 |
| commit | eec70897d81bb2913e22c6792ea2739faf59c3e1 (patch) | |
| tree | 4ec843f5e4eb7ccd641870ac92bc6bac867e7b70 /block/blk-mq-cpu.c | |
| parent | d6a25b31315327eef7785b895c354cc45c3f3742 (diff) | |
| download | lwn-eec70897d81bb2913e22c6792ea2739faf59c3e1.tar.gz lwn-eec70897d81bb2913e22c6792ea2739faf59c3e1.zip | |
bio-integrity: Drop bio_integrity_verify BUG_ON in post bip->bip_iter world
Given that bip->bip_iter.bi_size is decremented after bio_advance() ->
bio_integrity_advance() is called, the BUG_ON() in bio_integrity_verify()
ends up tripping in v3.14-rc1 code with the advent of immutable biovecs
in:
commit d57a5f7c6605f15f3b5134837e68b448a7cea88e
Author: Kent Overstreet <kmo@daterainc.com>
Date: Sat Nov 23 17:20:16 2013 -0800
bio-integrity: Convert to bvec_iter
Given that there is no easy way to ascertain the original bi_size
value, go ahead and drop this BUG_ON().
Reported-by: Sagi Grimberg <sagig@dev.mellanox.co.il>
Reported-by: Akinobu Mita <akinobu.mita@gmail.com>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Kent Overstreet <kmo@daterainc.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/blk-mq-cpu.c')
0 files changed, 0 insertions, 0 deletions