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* bsg: Remove unused function bsg_goose_queue()Bart Van Assche2012-12-061-13/+0
| | | | | | | | | The function bsg_goose_queue() does not have any in-tree callers, so let's remove it. Signed-off-by: Bart Van Assche <bvanassche@acm.org> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
* block: drop custom queue draining used by scsi_transport_{iscsi|fc}Tejun Heo2012-06-251-53/+0
| | | | | | | | | | | | | | | | | | | | | iscsi_remove_host() uses bsg_remove_queue() which implements custom queue draining. fc_bsg_remove() open-codes mostly identical logic. The draining logic isn't correct in that blk_stop_queue() doesn't prevent new requests from being queued - it just stops processing, so nothing prevents new requests to be queued after the logic determines that the queue is drained. blk_cleanup_queue() now implements proper queue draining and these custom draining logics aren't necessary. Drop them and use bsg_unregister_queue() + blk_cleanup_queue() instead. Signed-off-by: Tejun Heo <tj@kernel.org> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Acked-by: Vivek Goyal <vgoyal@redhat.com> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Cc: James Smart <james.smart@emulex.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
* block: Change module.h -> export.h in bsg-lib.cPaul Gortmaker2011-10-311-1/+1
| | | | | | | | This file isn't using full modular functionality, and hence can be "downgraded" to just using the export.h header. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* bsg-lib: add module.h includeJens Axboe2011-08-021-0/+1
| | | | | | | | | | Due to conflicts with the moduleh tree in linux-next, we run into an include file mess. We really need export.h in that tree, but if we add module.h locally then the issue is easier to resolve. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
* block: add bsg helper libraryMike Christie2011-07-311-0/+297
This moves the FC classes bsg code to the block layer and makes it a lib so that other classes like iscsi and SAS can use it. It is helpful because working with the request queue, bios, creating scatterlists, etc are a pain that the LLD does not have to worry about with normal IOs and should not have to worry about for bsg requests. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
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