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| author | Sebastian Ott <sebott@linux.ibm.com> | 2018-06-04 19:07:39 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2018-06-12 15:14:19 +0200 |
| commit | c5205f2ff2bec6acf398211aed66b3e6ac44eee6 (patch) | |
| tree | 8de7981d2baf17dce8452ea267092ab01383ab81 /drivers/s390/block/dasd_diag.c | |
| parent | s390/dasd: simplify locking in process_final_queue (diff) | |
| download | linux-c5205f2ff2bec6acf398211aed66b3e6ac44eee6.tar.xz linux-c5205f2ff2bec6acf398211aed66b3e6ac44eee6.zip | |
s390/dasd: move dasd_ccw_req to per request data
Let the block layer allocate per request data to store
struct dasd_ccw_req. We still need extra preallocated
memory for usage by ccw programs (which vary in length)
and for requests which don't originate from the block
layer.
Link: https://lkml.kernel.org/r/20180530074130.GA6927@infradead.org
Signed-off-by: Sebastian Ott <sebott@linux.ibm.com>
Reviewed-by: Stefan Haberland <sth@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/block/dasd_diag.c')
| -rw-r--r-- | drivers/s390/block/dasd_diag.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c index 131f1989f6f3..e1fe02477ea8 100644 --- a/drivers/s390/block/dasd_diag.c +++ b/drivers/s390/block/dasd_diag.c @@ -536,7 +536,8 @@ static struct dasd_ccw_req *dasd_diag_build_cp(struct dasd_device *memdev, /* Build the request */ datasize = sizeof(struct dasd_diag_req) + count*sizeof(struct dasd_diag_bio); - cqr = dasd_smalloc_request(DASD_DIAG_MAGIC, 0, datasize, memdev); + cqr = dasd_smalloc_request(DASD_DIAG_MAGIC, 0, datasize, memdev, + blk_mq_rq_to_pdu(req)); if (IS_ERR(cqr)) return cqr; |