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authorDavid S. Miller <davem@davemloft.net>2012-07-05 03:44:25 -0700
committerDavid S. Miller <davem@davemloft.net>2012-07-05 03:44:25 -0700
commitc90a9bb9073a4096596360f02ea711c619663494 (patch)
treedc85d9f4c0d423e6b523e81c41a5b68e267de14f /drivers/md/raid1.c
parent23c342153ef2a4ad8bd4f2d6515126449658d2b3 (diff)
parent9e85a6f9dc231f3ed3c1dc1b12217505d970142a (diff)
downloadblackbird-op-linux-c90a9bb9073a4096596360f02ea711c619663494.tar.gz
blackbird-op-linux-c90a9bb9073a4096596360f02ea711c619663494.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'drivers/md/raid1.c')
-rw-r--r--drivers/md/raid1.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index a9c7981ddd24..8c2754f835ef 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -517,8 +517,8 @@ static int read_balance(struct r1conf *conf, struct r1bio *r1_bio, int *max_sect
int bad_sectors;
int disk = start_disk + i;
- if (disk >= conf->raid_disks)
- disk -= conf->raid_disks;
+ if (disk >= conf->raid_disks * 2)
+ disk -= conf->raid_disks * 2;
rdev = rcu_dereference(conf->mirrors[disk].rdev);
if (r1_bio->bios[disk] == IO_BLOCKED
@@ -883,7 +883,6 @@ static void make_request(struct mddev *mddev, struct bio * bio)
const unsigned long do_sync = (bio->bi_rw & REQ_SYNC);
const unsigned long do_flush_fua = (bio->bi_rw & (REQ_FLUSH | REQ_FUA));
struct md_rdev *blocked_rdev;
- int plugged;
int first_clone;
int sectors_handled;
int max_sectors;
@@ -1034,7 +1033,6 @@ read_again:
* the bad blocks. Each set of writes gets it's own r1bio
* with a set of bios attached.
*/
- plugged = mddev_check_plugged(mddev);
disks = conf->raid_disks * 2;
retry_write:
@@ -1191,6 +1189,8 @@ read_again:
bio_list_add(&conf->pending_bio_list, mbio);
conf->pending_count++;
spin_unlock_irqrestore(&conf->device_lock, flags);
+ if (!mddev_check_plugged(mddev))
+ md_wakeup_thread(mddev->thread);
}
/* Mustn't call r1_bio_write_done before this next test,
* as it could result in the bio being freed.
@@ -1213,9 +1213,6 @@ read_again:
/* In case raid1d snuck in to freeze_array */
wake_up(&conf->wait_barrier);
-
- if (do_sync || !bitmap || !plugged)
- md_wakeup_thread(mddev->thread);
}
static void status(struct seq_file *seq, struct mddev *mddev)
@@ -2621,7 +2618,7 @@ static struct r1conf *setup_conf(struct mddev *mddev)
goto abort;
}
err = -ENOMEM;
- conf->thread = md_register_thread(raid1d, mddev, NULL);
+ conf->thread = md_register_thread(raid1d, mddev, "raid1");
if (!conf->thread) {
printk(KERN_ERR
"md/raid1:%s: couldn't allocate thread\n",
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