block: change ->make_request_fn() and users to return a queue cookie
authorJens Axboe <axboe@fb.com>
Thu, 5 Nov 2015 17:41:16 +0000 (10:41 -0700)
committerJens Axboe <axboe@fb.com>
Sat, 7 Nov 2015 17:40:46 +0000 (10:40 -0700)
commitdece16353ef47d8d33f5302bc158072a9d65e26f
tree75438980d0f76c155bab11ddb5f1f1600fcaee13
parent8e483ed1342a4ea45b70f0f33ac54eff7a33d918
block: change ->make_request_fn() and users to return a queue cookie

No functional changes in this patch, but it prepares us for returning
a more useful cookie related to the IO that was queued up.

Signed-off-by: Jens Axboe <axboe@fb.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Acked-by: Keith Busch <keith.busch@intel.com>
28 files changed:
arch/m68k/emu/nfblock.c
arch/powerpc/sysdev/axonram.c
arch/xtensa/platforms/iss/simdisk.c
block/blk-core.c
block/blk-mq.c
drivers/block/brd.c
drivers/block/drbd/drbd_int.h
drivers/block/drbd/drbd_req.c
drivers/block/null_blk.c
drivers/block/pktcdvd.c
drivers/block/ps3vram.c
drivers/block/rsxx/dev.c
drivers/block/umem.c
drivers/block/zram/zram_drv.c
drivers/lightnvm/rrpc.c
drivers/md/bcache/request.c
drivers/md/dm.c
drivers/md/md.c
drivers/nvdimm/blk.c
drivers/nvdimm/btt.c
drivers/nvdimm/pmem.c
drivers/s390/block/dcssblk.c
drivers/s390/block/xpram.c
drivers/staging/lustre/lustre/llite/lloop.c
include/linux/blk_types.h
include/linux/blkdev.h
include/linux/fs.h
include/linux/lightnvm.h