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-rw-r--r--drivers/s390/block/dasd_diag.c37
-rw-r--r--drivers/s390/block/dasd_eckd.c28
-rw-r--r--drivers/s390/block/dasd_fba.c28
-rw-r--r--drivers/s390/block/dcssblk.c4
-rw-r--r--drivers/s390/block/xpram.c6
-rw-r--r--drivers/s390/char/tape_34xx.c32
-rw-r--r--drivers/s390/char/tape_3590.c37
7 files changed, 73 insertions, 99 deletions
diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c
index d32c60dbdd8..571320ab9e1 100644
--- a/drivers/s390/block/dasd_diag.c
+++ b/drivers/s390/block/dasd_diag.c
@@ -472,14 +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;
@@ -493,13 +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)
@@ -516,18 +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;
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index ea63ba7828f..44adf8496bd 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -1176,7 +1176,7 @@ dasd_eckd_build_cp(struct dasd_device * device, struct request *req)
struct LO_eckd_data *LO_data;
struct dasd_ccw_req *cqr;
struct ccw1 *ccw;
- struct bio *bio;
+ struct req_iterator iter;
struct bio_vec *bv;
char *dst;
unsigned int blksize, blk_per_trk, off;
@@ -1185,7 +1185,6 @@ dasd_eckd_build_cp(struct dasd_device * device, struct request *req)
sector_t first_trk, last_trk;
unsigned int first_offs, last_offs;
unsigned char cmd, rcmd;
- int i;
private = (struct dasd_eckd_private *) device->private;
if (rq_data_dir(req) == READ)
@@ -1206,18 +1205,15 @@ dasd_eckd_build_cp(struct dasd_device * device, struct request *req)
/* Check struct bio and count the number of blocks for the request. */
count = 0;
cidaw = 0;
- rq_for_each_bio(bio, req) {
- bio_for_each_segment(bv, bio, i) {
- if (bv->bv_len & (blksize - 1))
- /* Eckd 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))
+ /* Eckd can only do full blocks. */
+ return ERR_PTR(-EINVAL);
+ count += bv->bv_len >> (device->s2b_shift + 9);
#if defined(CONFIG_64BIT)
- if (idal_is_needed (page_address(bv->bv_page),
- bv->bv_len))
- cidaw += bv->bv_len >> (device->s2b_shift + 9);
+ if (idal_is_needed (page_address(bv->bv_page), bv->bv_len))
+ cidaw += bv->bv_len >> (device->s2b_shift + 9);
#endif
- }
}
/* Paranoia. */
if (count != last_rec - first_rec + 1)
@@ -1257,7 +1253,7 @@ dasd_eckd_build_cp(struct dasd_device * device, struct request *req)
locate_record(ccw++, LO_data++, first_trk, first_offs + 1,
last_rec - recid + 1, cmd, device, blksize);
}
- rq_for_each_bio(bio, req) bio_for_each_segment(bv, bio, i) {
+ rq_for_each_segment(bv, req, iter) {
dst = page_address(bv->bv_page) + bv->bv_offset;
if (dasd_page_cache) {
char *copy = kmem_cache_alloc(dasd_page_cache,
@@ -1328,12 +1324,12 @@ dasd_eckd_free_cp(struct dasd_ccw_req *cqr, struct request *req)
{
struct dasd_eckd_private *private;
struct ccw1 *ccw;
- struct bio *bio;
+ struct req_iterator iter;
struct bio_vec *bv;
char *dst, *cda;
unsigned int blksize, blk_per_trk, off;
sector_t recid;
- int i, status;
+ int status;
if (!dasd_page_cache)
goto out;
@@ -1346,7 +1342,7 @@ dasd_eckd_free_cp(struct dasd_ccw_req *cqr, struct request *req)
ccw++;
if (private->uses_cdl == 0 || recid > 2*blk_per_trk)
ccw++;
- rq_for_each_bio(bio, req) bio_for_each_segment(bv, bio, i) {
+ 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) {
/* Skip locate record. */
diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c
index da16ead8aff..1d95822e0b8 100644
--- a/drivers/s390/block/dasd_fba.c
+++ b/drivers/s390/block/dasd_fba.c
@@ -234,14 +234,13 @@ dasd_fba_build_cp(struct dasd_device * device, struct request *req)
struct LO_fba_data *LO_data;
struct dasd_ccw_req *cqr;
struct ccw1 *ccw;
- struct bio *bio;
+ struct req_iterator iter;
struct bio_vec *bv;
char *dst;
int count, cidaw, cplength, datasize;
sector_t recid, first_rec, last_rec;
unsigned int blksize, off;
unsigned char cmd;
- int i;
private = (struct dasd_fba_private *) device->private;
if (rq_data_dir(req) == READ) {
@@ -257,18 +256,15 @@ dasd_fba_build_cp(struct dasd_device * device, struct request *req)
/* Check struct bio and count the number of blocks for the request. */
count = 0;
cidaw = 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);
#if defined(CONFIG_64BIT)
- if (idal_is_needed (page_address(bv->bv_page),
- bv->bv_len))
- cidaw += bv->bv_len / blksize;
+ if (idal_is_needed (page_address(bv->bv_page), bv->bv_len))
+ cidaw += bv->bv_len / blksize;
#endif
- }
}
/* Paranoia. */
if (count != last_rec - first_rec + 1)
@@ -304,7 +300,7 @@ dasd_fba_build_cp(struct dasd_device * device, struct request *req)
locate_record(ccw++, LO_data++, rq_data_dir(req), 0, count);
}
recid = first_rec;
- rq_for_each_bio(bio, req) bio_for_each_segment(bv, bio, i) {
+ rq_for_each_segment(bv, req, iter) {
dst = page_address(bv->bv_page) + bv->bv_offset;
if (dasd_page_cache) {
char *copy = kmem_cache_alloc(dasd_page_cache,
@@ -359,11 +355,11 @@ dasd_fba_free_cp(struct dasd_ccw_req *cqr, struct request *req)
{
struct dasd_fba_private *private;
struct ccw1 *ccw;
- struct bio *bio;
+ struct req_iterator iter;
struct bio_vec *bv;
char *dst, *cda;
unsigned int blksize, off;
- int i, status;
+ int status;
if (!dasd_page_cache)
goto out;
@@ -374,7 +370,7 @@ dasd_fba_free_cp(struct dasd_ccw_req *cqr, struct request *req)
ccw++;
if (private->rdc_data.mode.bits.data_chain != 0)
ccw++;
- rq_for_each_bio(bio, req) bio_for_each_segment(bv, bio, i) {
+ 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) {
/* Skip locate record. */
diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c
index 4d8798bacf9..859f870552e 100644
--- a/drivers/s390/block/dcssblk.c
+++ b/drivers/s390/block/dcssblk.c
@@ -674,10 +674,10 @@ dcssblk_make_request(struct request_queue *q, struct bio *bio)
}
bytes_done += bvec->bv_len;
}
- bio_endio(bio, bytes_done, 0);
+ bio_endio(bio, 0);
return 0;
fail:
- bio_io_error(bio, bio->bi_size);
+ bio_io_error(bio);
return 0;
}
diff --git a/drivers/s390/block/xpram.c b/drivers/s390/block/xpram.c
index 354a060e5be..0fbacc8b106 100644
--- a/drivers/s390/block/xpram.c
+++ b/drivers/s390/block/xpram.c
@@ -230,12 +230,10 @@ static int xpram_make_request(struct request_queue *q, struct bio *bio)
}
}
set_bit(BIO_UPTODATE, &bio->bi_flags);
- bytes = bio->bi_size;
- bio->bi_size = 0;
- bio->bi_end_io(bio, bytes, 0);
+ bio_end_io(bio, 0);
return 0;
fail:
- bio_io_error(bio, bio->bi_size);
+ bio_io_error(bio);
return 0;
}
diff --git a/drivers/s390/char/tape_34xx.c b/drivers/s390/char/tape_34xx.c
index 80e7a537e7d..5b47e9cce75 100644
--- a/drivers/s390/char/tape_34xx.c
+++ b/drivers/s390/char/tape_34xx.c
@@ -1134,21 +1134,18 @@ tape_34xx_bread(struct tape_device *device, struct request *req)
{
struct tape_request *request;
struct ccw1 *ccw;
- int count = 0, i;
+ int count = 0;
unsigned off;
char *dst;
struct bio_vec *bv;
- struct bio *bio;
+ struct req_iterator iter;
struct tape_34xx_block_id * start_block;
DBF_EVENT(6, "xBREDid:");
/* Count the number of blocks for the request. */
- rq_for_each_bio(bio, req) {
- bio_for_each_segment(bv, bio, i) {
- count += bv->bv_len >> (TAPEBLOCK_HSEC_S2B + 9);
- }
- }
+ rq_for_each_segment(bv, req, iter)
+ count += bv->bv_len >> (TAPEBLOCK_HSEC_S2B + 9);
/* Allocate the ccw request. */
request = tape_alloc_request(3+count+1, 8);
@@ -1175,18 +1172,15 @@ tape_34xx_bread(struct tape_device *device, struct request *req)
ccw = tape_ccw_cc(ccw, NOP, 0, NULL);
ccw = tape_ccw_cc(ccw, NOP, 0, NULL);
- rq_for_each_bio(bio, req) {
- bio_for_each_segment(bv, bio, i) {
- dst = kmap(bv->bv_page) + bv->bv_offset;
- for (off = 0; off < bv->bv_len;
- off += TAPEBLOCK_HSEC_SIZE) {
- ccw->flags = CCW_FLAG_CC;
- ccw->cmd_code = READ_FORWARD;
- ccw->count = TAPEBLOCK_HSEC_SIZE;
- set_normalized_cda(ccw, (void*) __pa(dst));
- ccw++;
- dst += TAPEBLOCK_HSEC_SIZE;
- }
+ rq_for_each_segment(bv, req, iter) {
+ dst = kmap(bv->bv_page) + bv->bv_offset;
+ for (off = 0; off < bv->bv_len; off += TAPEBLOCK_HSEC_SIZE) {
+ ccw->flags = CCW_FLAG_CC;
+ ccw->cmd_code = READ_FORWARD;
+ ccw->count = TAPEBLOCK_HSEC_SIZE;
+ set_normalized_cda(ccw, (void*) __pa(dst));
+ ccw++;
+ dst += TAPEBLOCK_HSEC_SIZE;
}
}
diff --git a/drivers/s390/char/tape_3590.c b/drivers/s390/char/tape_3590.c
index 7e2b2ab4926..9f244c591ee 100644
--- a/drivers/s390/char/tape_3590.c
+++ b/drivers/s390/char/tape_3590.c
@@ -623,21 +623,19 @@ tape_3590_bread(struct tape_device *device, struct request *req)
{
struct tape_request *request;
struct ccw1 *ccw;
- int count = 0, start_block, i;
+ int count = 0, start_block;
unsigned off;
char *dst;
struct bio_vec *bv;
- struct bio *bio;
+ struct req_iterator iter;
DBF_EVENT(6, "xBREDid:");
start_block = req->sector >> TAPEBLOCK_HSEC_S2B;
DBF_EVENT(6, "start_block = %i\n", start_block);
- rq_for_each_bio(bio, req) {
- bio_for_each_segment(bv, bio, i) {
- count += bv->bv_len >> (TAPEBLOCK_HSEC_S2B + 9);
- }
- }
+ rq_for_each_segment(bv, req, iter)
+ count += bv->bv_len >> (TAPEBLOCK_HSEC_S2B + 9);
+
request = tape_alloc_request(2 + count + 1, 4);
if (IS_ERR(request))
return request;
@@ -653,21 +651,18 @@ tape_3590_bread(struct tape_device *device, struct request *req)
*/
ccw = tape_ccw_cc(ccw, NOP, 0, NULL);
- 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 += TAPEBLOCK_HSEC_SIZE) {
- ccw->flags = CCW_FLAG_CC;
- ccw->cmd_code = READ_FORWARD;
- ccw->count = TAPEBLOCK_HSEC_SIZE;
- set_normalized_cda(ccw, (void *) __pa(dst));
- ccw++;
- dst += TAPEBLOCK_HSEC_SIZE;
- }
- if (off > bv->bv_len)
- BUG();
+ rq_for_each_segment(bv, req, iter) {
+ dst = page_address(bv->bv_page) + bv->bv_offset;
+ for (off = 0; off < bv->bv_len; off += TAPEBLOCK_HSEC_SIZE) {
+ ccw->flags = CCW_FLAG_CC;
+ ccw->cmd_code = READ_FORWARD;
+ ccw->count = TAPEBLOCK_HSEC_SIZE;
+ set_normalized_cda(ccw, (void *) __pa(dst));
+ ccw++;
+ dst += TAPEBLOCK_HSEC_SIZE;
}
+ if (off > bv->bv_len)
+ BUG();
}
ccw = tape_ccw_end(ccw, NOP, 0, NULL);
DBF_EVENT(6, "xBREDccwg\n");
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-20 07:57:44 +0000