diff options
| author | Kent Overstreet <koverstreet@google.com> | 2012-09-07 13:44:01 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2012-09-09 10:35:38 +0200 |
| commit | 94818742316e27d01506240cf8b07d69844d31af (patch) | |
| tree | d940b88519a4755422cfcfcffc63174b918fdc92 /drivers/base/devres.c | |
| parent | 1e2a410ff71504a64d1af2e354287ac51aeac1b0 (diff) | |
dm: Use bioset's front_pad for dm_rq_clone_bio_info
Previously, dm_rq_clone_bio_info needed to be freed by the bio's
destructor to avoid a memory leak in the blk_rq_prep_clone() error path.
This gets rid of a memory allocation and means we can kill
dm_rq_bio_destructor.
The _rq_bio_info_cache kmem cache is unused now and needs to be deleted,
but due to the way io_pool is used and overloaded this looks not quite
trivial so I'm leaving it for a later patch.
v6: Fix comment on struct dm_rq_clone_bio_info, per Tejun
Signed-off-by: Kent Overstreet <koverstreet@google.com>
CC: Alasdair Kergon <agk@redhat.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/base/devres.c')
0 files changed, 0 insertions, 0 deletions