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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_fba.c | |
| parent | 5c618c0cf451f1d9746296b0d30c84af1bce3604 (diff) | |
| download | linux-c5205f2ff2bec6acf398211aed66b3e6ac44eee6.tar.bz2 | |
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_fba.c')
| -rw-r--r-- | drivers/s390/block/dasd_fba.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c index a6b132f7e869..56007a3e7f11 100644 --- a/drivers/s390/block/dasd_fba.c +++ b/drivers/s390/block/dasd_fba.c @@ -356,7 +356,8 @@ static struct dasd_ccw_req *dasd_fba_build_cp_discard( datasize = sizeof(struct DE_fba_data) + nr_ccws * (sizeof(struct LO_fba_data) + sizeof(struct ccw1)); - cqr = dasd_smalloc_request(DASD_FBA_MAGIC, cplength, datasize, memdev); + cqr = dasd_smalloc_request(DASD_FBA_MAGIC, cplength, datasize, memdev, + blk_mq_rq_to_pdu(req)); if (IS_ERR(cqr)) return cqr; @@ -490,7 +491,8 @@ static struct dasd_ccw_req *dasd_fba_build_cp_regular( datasize += (count - 1)*sizeof(struct LO_fba_data); } /* Allocate the ccw request. */ - cqr = dasd_smalloc_request(DASD_FBA_MAGIC, cplength, datasize, memdev); + cqr = dasd_smalloc_request(DASD_FBA_MAGIC, cplength, datasize, memdev, + blk_mq_rq_to_pdu(req)); if (IS_ERR(cqr)) return cqr; ccw = cqr->cpaddr; |