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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2007-10-12 21:27:47 -0400
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2007-10-12 21:27:47 -0400
commitb981d8b3f5e008ff10d993be633ad00564fc22cd (patch)
treee292dc07b22308912cf6a58354a608b9e5e8e1fd /drivers/s390/block
parentb11d2127c4893a7315d1e16273bc8560049fa3ca (diff)
parent2b9e0aae1d50e880c58d46788e5e3ebd89d75d62 (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: drivers/macintosh/adbhid.c
Diffstat (limited to 'drivers/s390/block')
-rw-r--r--drivers/s390/block/dasd.c4
-rw-r--r--drivers/s390/block/dasd_devmap.c2
-rw-r--r--drivers/s390/block/dasd_diag.c38
-rw-r--r--drivers/s390/block/dasd_eckd.c32
-rw-r--r--drivers/s390/block/dasd_fba.c28
-rw-r--r--drivers/s390/block/dasd_int.h5
-rw-r--r--drivers/s390/block/dcssblk.c6
-rw-r--r--drivers/s390/block/xpram.c8
8 files changed, 55 insertions, 68 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index bfeca57098f..e6bfce690ca 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -1187,7 +1187,7 @@ dasd_end_request_cb(struct dasd_ccw_req * cqr, void *data)
static void
__dasd_process_blk_queue(struct dasd_device * device)
{
- request_queue_t *queue;
+ struct request_queue *queue;
struct request *req;
struct dasd_ccw_req *cqr;
int nr_queued;
@@ -1740,7 +1740,7 @@ dasd_cancel_req(struct dasd_ccw_req *cqr)
* Dasd request queue function. Called from ll_rw_blk.c
*/
static void
-do_dasd_request(request_queue_t * queue)
+do_dasd_request(struct request_queue * queue)
{
struct dasd_device *device;
diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c
index 6a89cefe99b..0c67258fb9e 100644
--- a/drivers/s390/block/dasd_devmap.c
+++ b/drivers/s390/block/dasd_devmap.c
@@ -291,7 +291,7 @@ dasd_parse_keyword( char *parsestring ) {
dasd_page_cache =
kmem_cache_create("dasd_page_cache", PAGE_SIZE,
PAGE_SIZE, SLAB_CACHE_DMA,
- NULL, NULL );
+ NULL);
if (!dasd_page_cache)
MESSAGE(KERN_WARNING, "%s", "Failed to create slab, "
"fixed buffer mode disabled.");
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;
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index 418b4e63a4f..44adf8496bd 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -555,7 +555,7 @@ dasd_eckd_read_conf(struct dasd_device *device)
if (conf_data == NULL) {
MESSAGE(KERN_WARNING, "%s", "No configuration "
"data retrieved");
- continue; /* no errror */
+ continue; /* no error */
}
if (conf_len != sizeof (struct dasd_eckd_confdata)) {
MESSAGE(KERN_WARNING,
@@ -564,7 +564,7 @@ dasd_eckd_read_conf(struct dasd_device *device)
conf_len,
sizeof (struct dasd_eckd_confdata));
kfree(conf_data);
- continue; /* no errror */
+ continue; /* no error */
}
/* save first valid configuration data */
if (!conf_data_saved){
@@ -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/dasd_int.h b/drivers/s390/block/dasd_int.h
index 241294cba41..d427daeef51 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -53,6 +53,7 @@
#include <linux/genhd.h>
#include <linux/hdreg.h>
#include <linux/interrupt.h>
+#include <linux/log2.h>
#include <asm/ccwdev.h>
#include <linux/workqueue.h>
#include <asm/debug.h>
@@ -293,7 +294,7 @@ struct dasd_uid {
struct dasd_device {
/* Block device stuff. */
struct gendisk *gdp;
- request_queue_t *request_queue;
+ struct request_queue *request_queue;
spinlock_t request_queue_lock;
struct block_device *bdev;
unsigned int devindex;
@@ -456,7 +457,7 @@ dasd_free_chunk(struct list_head *chunk_list, void *mem)
static inline int
dasd_check_blocksize(int bsize)
{
- if (bsize < 512 || bsize > 4096 || (bsize & (bsize - 1)) != 0)
+ if (bsize < 512 || bsize > 4096 || !is_power_of_2(bsize))
return -EMEDIUMTYPE;
return 0;
}
diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c
index 35765f6a86e..859f870552e 100644
--- a/drivers/s390/block/dcssblk.c
+++ b/drivers/s390/block/dcssblk.c
@@ -621,7 +621,7 @@ out:
}
static int
-dcssblk_make_request(request_queue_t *q, struct bio *bio)
+dcssblk_make_request(struct request_queue *q, struct bio *bio)
{
struct dcssblk_dev_info *dev_info;
struct bio_vec *bvec;
@@ -674,10 +674,10 @@ dcssblk_make_request(request_queue_t *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 a04d9120cef..f231bc21b1c 100644
--- a/drivers/s390/block/xpram.c
+++ b/drivers/s390/block/xpram.c
@@ -191,7 +191,7 @@ static unsigned long __init xpram_highest_page_index(void)
/*
* Block device make request function.
*/
-static int xpram_make_request(request_queue_t *q, struct bio *bio)
+static int xpram_make_request(struct request_queue *q, struct bio *bio)
{
xpram_device_t *xdev = bio->bi_bdev->bd_disk->private_data;
struct bio_vec *bvec;
@@ -230,12 +230,10 @@ static int xpram_make_request(request_queue_t *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_endio(bio, 0);
return 0;
fail:
- bio_io_error(bio, bio->bi_size);
+ bio_io_error(bio);
return 0;
}