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(parent: e26b53d) | 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>
Fri, 25 Oct 2013 10:55:59 +0000 (11:55 +0100)
commit7fc2ba17e8bf9f218cac10cc2a3de613d9d9086d
tree464baa951977743dc1da2dd1a0f595c50dc3e0a8tree | snapshot (tar.gz zip)
parente26b53d0b287056646a0dffce8bc6b0f053f3823commit | 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 | blame | history
lib/percpu_ida.c diff | blob | blame | history