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(parent: 205562e) | patch
percpu_ida: add percpu_ida_for_each_free
authorShaohua Li <shli@kernel.org>
Tue, 15 Oct 2013 01:05:02 +0000 (09:05 +0800)
committerJens Axboe <axboe@kernel.dk>
Thu, 24 Oct 2013 10:23:22 +0000 (11:23 +0100)
commit4636a41c5b5548588e6e6566f97238d347cc70fd
treea4ca905e50cb9700a2934f0abbeec37c0c356938tree | snapshot
parent205562e0ecbdd510a2360e0406befbb487a86d55commit | diff
percpu_ida: add percpu_ida_for_each_free

Add a new API to iterate free ids. blk-mq-tag will use it.

Note, this doesn't guarantee to iterate all free ids restrictly. Caller
should be aware of this. blk-mq uses it to do sanity check for request
timedout, so can tolerate the limitation.

Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Shaohua Li <shli@fusionio.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
include/linux/percpu_ida.h diff | blob | history
lib/percpu_ida.c diff | blob | history
Linux kernel for KaRo TX COM modules