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| author | Tejun Heo <tj@kernel.org> | 2011-12-14 00:33:39 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2011-12-14 00:33:39 +0100 |
| commit | b50b636bce6293fa858cc7ff6c3ffe4920d90006 (patch) | |
| tree | 65a4c509ff491aa89bf4d1a5f3e26d600eeea49f /include/linux | |
| parent | b9a1920837bc53430d339380e393a6e4c372939f (diff) | |
| download | blackbird-op-linux-b50b636bce6293fa858cc7ff6c3ffe4920d90006.tar.gz blackbird-op-linux-b50b636bce6293fa858cc7ff6c3ffe4920d90006.zip | |
block, cfq: kill ioc_gone
Now that cic's are immediately unlinked under both locks, there's no
need to count and drain cic's before module unload. RCU callback
completion is waited with rcu_barrier().
While at it, remove residual RCU operations on cic_list.
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/elevator.h | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/include/linux/elevator.h b/include/linux/elevator.h index 581dd1bd3d3e..02604c89ddde 100644 --- a/include/linux/elevator.h +++ b/include/linux/elevator.h @@ -196,22 +196,5 @@ enum { INIT_LIST_HEAD(&(rq)->csd.list); \ } while (0) -/* - * io context count accounting - */ -#define elv_ioc_count_mod(name, __val) this_cpu_add(name, __val) -#define elv_ioc_count_inc(name) this_cpu_inc(name) -#define elv_ioc_count_dec(name) this_cpu_dec(name) - -#define elv_ioc_count_read(name) \ -({ \ - unsigned long __val = 0; \ - int __cpu; \ - smp_wmb(); \ - for_each_possible_cpu(__cpu) \ - __val += per_cpu(name, __cpu); \ - __val; \ -}) - #endif /* CONFIG_BLOCK */ #endif |
