commit | 7fc2ba17e8bf9f218cac10cc2a3de613d9d9086d | [log] [tgz] |
---|---|---|
author | Shaohua Li <shli@kernel.org> | Tue Oct 15 09:05:02 2013 +0800 |
committer | Jens Axboe <axboe@kernel.dk> | Fri Oct 25 11:55:59 2013 +0100 |
tree | 464baa951977743dc1da2dd1a0f595c50dc3e0a8 | |
parent | e26b53d0b287056646a0dffce8bc6b0f053f3823 [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>