tree 5adffee38a35b3639282da545846171715e9d689
parent c86d1b8ae622e1ea5d20e98bd72fbd7d9dd69016
author Mike Snitzer <snitzer@redhat.com> 1274807715 -0400
committer Jens Axboe <jaxboe@fusionio.com> 1275652026 +0200

block: make blk_init_free_list and elevator_init idempotent

blk_init_allocated_queue_node may fail and the caller _could_ retry.
Accommodate the unlikely event that blk_init_allocated_queue_node is
called on an already initialized (possibly partially) request_queue.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>