diff options
Diffstat (limited to 'drivers/s390/block/dasd_diag.c')
| -rw-r--r-- | drivers/s390/block/dasd_diag.c | 38 |
1 files changed, 17 insertions, 21 deletions
diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c index eccac1c3b71..571320ab9e1 100644 --- a/drivers/s390/block/dasd_diag.c +++ b/drivers/s390/block/dasd_diag.c @@ -24,6 +24,7 @@ #include <asm/s390_ext.h> #include <asm/todclk.h> #include <asm/vtoc.h> +#include <asm/diag.h> #include "dasd_int.h" #include "dasd_diag.h" @@ -471,14 +472,13 @@ dasd_diag_build_cp(struct dasd_device * device, struct request *req) struct dasd_ccw_req *cqr; struct dasd_diag_req *dreq; struct dasd_diag_bio *dbio; - struct bio *bio; + struct req_iterator iter; struct bio_vec *bv; char *dst; unsigned int count, datasize; sector_t recid, first_rec, last_rec; unsigned int blksize, off; unsigned char rw_cmd; - int i; if (rq_data_dir(req) == READ) rw_cmd = MDSK_READ_REQ; @@ -492,13 +492,11 @@ dasd_diag_build_cp(struct dasd_device * device, struct request *req) last_rec = (req->sector + req->nr_sectors - 1) >> device->s2b_shift; /* Check struct bio and count the number of blocks for the request. */ count = 0; - rq_for_each_bio(bio, req) { - bio_for_each_segment(bv, bio, i) { - if (bv->bv_len & (blksize - 1)) - /* Fba can only do full blocks. */ - return ERR_PTR(-EINVAL); - count += bv->bv_len >> (device->s2b_shift + 9); - } + rq_for_each_segment(bv, req, iter) { + if (bv->bv_len & (blksize - 1)) + /* Fba can only do full blocks. */ + return ERR_PTR(-EINVAL); + count += bv->bv_len >> (device->s2b_shift + 9); } /* Paranoia. */ if (count != last_rec - first_rec + 1) @@ -515,18 +513,16 @@ dasd_diag_build_cp(struct dasd_device * device, struct request *req) dreq->block_count = count; dbio = dreq->bio; recid = first_rec; - rq_for_each_bio(bio, req) { - bio_for_each_segment(bv, bio, i) { - dst = page_address(bv->bv_page) + bv->bv_offset; - for (off = 0; off < bv->bv_len; off += blksize) { - memset(dbio, 0, sizeof (struct dasd_diag_bio)); - dbio->type = rw_cmd; - dbio->block_number = recid + 1; - dbio->buffer = dst; - dbio++; - dst += blksize; - recid++; - } + rq_for_each_segment(bv, req, iter) { + dst = page_address(bv->bv_page) + bv->bv_offset; + for (off = 0; off < bv->bv_len; off += blksize) { + memset(dbio, 0, sizeof (struct dasd_diag_bio)); + dbio->type = rw_cmd; + dbio->block_number = recid + 1; + dbio->buffer = dst; + dbio++; + dst += blksize; + recid++; } } cqr->retries = DIAG_MAX_RETRIES; |