-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
block: make get_request[_wait]() fail if queue is dead
Currently get_request[_wait]() allocates request whether queue is dead or not. This patch makes get_request[_wait]() return NULL if @q is dead. blk_queue_bio() is updated to fail the submitted bio if request allocation fails. While at it, add docbook comments for get_request[_wait](). Note that the current code has rather unclear (there are spurious DEAD tests scattered around) assumption that the owner of a queue guarantees that no request travels block layer if the queue is dead and this patch in itself doesn't change much; however, this will allow fixing the broken assumption in the next patch. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
- Loading branch information
Tejun Heo
authored and
Jens Axboe
committed
Oct 19, 2011
1 parent
bc16a4f
commit da8303c
Showing
1 changed file
with
38 additions
and
16 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters