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authorJens Axboe <axboe@fb.com>2015-11-05 10:41:16 -0700
committerJens Axboe <axboe@fb.com>2015-11-07 10:40:46 -0700
commitdece16353ef47d8d33f5302bc158072a9d65e26f (patch)
tree75438980d0f76c155bab11ddb5f1f1600fcaee13 /drivers/s390/block/dcssblk.c
parent8e483ed1342a4ea45b70f0f33ac54eff7a33d918 (diff)
downloadop-kernel-dev-dece16353ef47d8d33f5302bc158072a9d65e26f.zip
op-kernel-dev-dece16353ef47d8d33f5302bc158072a9d65e26f.tar.gz
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>
Diffstat (limited to 'drivers/s390/block/dcssblk.c')
-rw-r--r--drivers/s390/block/dcssblk.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c
index 5ed44fe..94a8f4a 100644
--- a/drivers/s390/block/dcssblk.c
+++ b/drivers/s390/block/dcssblk.c
@@ -27,7 +27,8 @@
static int dcssblk_open(struct block_device *bdev, fmode_t mode);
static void dcssblk_release(struct gendisk *disk, fmode_t mode);
-static void dcssblk_make_request(struct request_queue *q, struct bio *bio);
+static blk_qc_t dcssblk_make_request(struct request_queue *q,
+ struct bio *bio);
static long dcssblk_direct_access(struct block_device *bdev, sector_t secnum,
void __pmem **kaddr, unsigned long *pfn);
@@ -815,7 +816,7 @@ dcssblk_release(struct gendisk *disk, fmode_t mode)
up_write(&dcssblk_devices_sem);
}
-static void
+static blk_qc_t
dcssblk_make_request(struct request_queue *q, struct bio *bio)
{
struct dcssblk_dev_info *dev_info;
@@ -874,9 +875,10 @@ dcssblk_make_request(struct request_queue *q, struct bio *bio)
bytes_done += bvec.bv_len;
}
bio_endio(bio);
- return;
+ return BLK_QC_T_NONE;
fail:
bio_io_error(bio);
+ return BLK_QC_T_NONE;
}
static long
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