summaryrefslogtreecommitdiffstats
path: root/drivers/md/multipath.c
diff options
context:
space:
mode:
authorDavid Vrabel <david.vrabel@csr.com>2008-10-20 16:07:19 +0100
committerDavid Vrabel <david.vrabel@csr.com>2008-10-20 16:07:19 +0100
commit61e0e79ee3c609eb34edf2fe023708cba6a79b1f (patch)
tree663deacffd4071120dc9badb70428fe5f124c7b9 /drivers/md/multipath.c
parentc15895ef30c2c03e99802951787183039a349d32 (diff)
parent0cfd81031a26717fe14380d18275f8e217571615 (diff)
downloadkernel-crypto-61e0e79ee3c609eb34edf2fe023708cba6a79b1f.tar.gz
kernel-crypto-61e0e79ee3c609eb34edf2fe023708cba6a79b1f.tar.xz
kernel-crypto-61e0e79ee3c609eb34edf2fe023708cba6a79b1f.zip
Merge branch 'master' into for-upstream
Conflicts: Documentation/ABI/testing/sysfs-bus-usb drivers/Makefile
Diffstat (limited to 'drivers/md/multipath.c')
-rw-r--r--drivers/md/multipath.c21
1 files changed, 8 insertions, 13 deletions
diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c
index c4779ccba1c..d4ac47d1127 100644
--- a/drivers/md/multipath.c
+++ b/drivers/md/multipath.c
@@ -19,16 +19,7 @@
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/spinlock.h>
#include <linux/raid/multipath.h>
-#include <linux/buffer_head.h>
-#include <asm/atomic.h>
-
-#define MAJOR_NR MD_MAJOR
-#define MD_DRIVER
-#define MD_PERSONALITY
#define MAX_WORK_PER_DISK 128
@@ -147,6 +138,7 @@ static int multipath_make_request (struct request_queue *q, struct bio * bio)
struct multipath_bh * mp_bh;
struct multipath_info *multipath;
const int rw = bio_data_dir(bio);
+ int cpu;
if (unlikely(bio_barrier(bio))) {
bio_endio(bio, -EOPNOTSUPP);
@@ -158,8 +150,11 @@ static int multipath_make_request (struct request_queue *q, struct bio * bio)
mp_bh->master_bio = bio;
mp_bh->mddev = mddev;
- disk_stat_inc(mddev->gendisk, ios[rw]);
- disk_stat_add(mddev->gendisk, sectors[rw], bio_sectors(bio));
+ cpu = part_stat_lock();
+ part_stat_inc(cpu, &mddev->gendisk->part0, ios[rw]);
+ part_stat_add(cpu, &mddev->gendisk->part0, sectors[rw],
+ bio_sectors(bio));
+ part_stat_unlock();
mp_bh->path = multipath_map(conf);
if (mp_bh->path < 0) {
@@ -172,7 +167,7 @@ static int multipath_make_request (struct request_queue *q, struct bio * bio)
mp_bh->bio = *bio;
mp_bh->bio.bi_sector += multipath->rdev->data_offset;
mp_bh->bio.bi_bdev = multipath->rdev->bdev;
- mp_bh->bio.bi_rw |= (1 << BIO_RW_FAILFAST);
+ mp_bh->bio.bi_rw |= (1 << BIO_RW_FAILFAST_TRANSPORT);
mp_bh->bio.bi_end_io = multipath_end_request;
mp_bh->bio.bi_private = mp_bh;
generic_make_request(&mp_bh->bio);
@@ -398,7 +393,7 @@ static void multipathd (mddev_t *mddev)
*bio = *(mp_bh->master_bio);
bio->bi_sector += conf->multipaths[mp_bh->path].rdev->data_offset;
bio->bi_bdev = conf->multipaths[mp_bh->path].rdev->bdev;
- bio->bi_rw |= (1 << BIO_RW_FAILFAST);
+ bio->bi_rw |= (1 << BIO_RW_FAILFAST_TRANSPORT);
bio->bi_end_io = multipath_end_request;
bio->bi_private = mp_bh;
generic_make_request(bio);