summaryrefslogtreecommitdiffstats
path: root/drivers/md/multipath.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/md/multipath.c')
-rw-r--r--drivers/md/multipath.c14
1 files changed, 3 insertions, 11 deletions
diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c
index 5558ebc705c..410fb60699a 100644
--- a/drivers/md/multipath.c
+++ b/drivers/md/multipath.c
@@ -22,6 +22,7 @@
#include <linux/blkdev.h>
#include <linux/raid/md_u.h>
#include <linux/seq_file.h>
+#include <linux/slab.h>
#include "md.h"
#include "multipath.h"
@@ -84,7 +85,7 @@ static void multipath_end_bh_io (struct multipath_bh *mp_bh, int err)
static void multipath_end_request(struct bio *bio, int error)
{
int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags);
- struct multipath_bh * mp_bh = (struct multipath_bh *)(bio->bi_private);
+ struct multipath_bh *mp_bh = bio->bi_private;
multipath_conf_t *conf = mp_bh->mddev->private;
mdk_rdev_t *rdev = conf->multipaths[mp_bh->path].rdev;
@@ -135,14 +136,11 @@ static void multipath_unplug(struct request_queue *q)
}
-static int multipath_make_request (struct request_queue *q, struct bio * bio)
+static int multipath_make_request(mddev_t *mddev, struct bio * bio)
{
- mddev_t *mddev = q->queuedata;
multipath_conf_t *conf = mddev->private;
struct multipath_bh * mp_bh;
struct multipath_info *multipath;
- const int rw = bio_data_dir(bio);
- int cpu;
if (unlikely(bio_rw_flagged(bio, BIO_RW_BARRIER))) {
md_barrier_request(mddev, bio);
@@ -154,12 +152,6 @@ static int multipath_make_request (struct request_queue *q, struct bio * bio)
mp_bh->master_bio = bio;
mp_bh->mddev = mddev;
- 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) {
bio_endio(bio, -EIO);