aboutsummaryrefslogtreecommitdiff
path: root/drivers/md
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/Kconfig2
-rw-r--r--drivers/md/dm-mpath-rdac.c2
-rw-r--r--drivers/md/raid1.c25
3 files changed, 22 insertions, 7 deletions
diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig
index 531d4d17d01..34a8c60a254 100644
--- a/drivers/md/Kconfig
+++ b/drivers/md/Kconfig
@@ -263,7 +263,7 @@ config DM_MULTIPATH_EMC
config DM_MULTIPATH_RDAC
tristate "LSI/Engenio RDAC multipath support (EXPERIMENTAL)"
- depends on DM_MULTIPATH && BLK_DEV_DM && EXPERIMENTAL
+ depends on DM_MULTIPATH && BLK_DEV_DM && SCSI && EXPERIMENTAL
---help---
Multipath support for LSI/Engenio RDAC.
diff --git a/drivers/md/dm-mpath-rdac.c b/drivers/md/dm-mpath-rdac.c
index 8b776b8cb7f..16b16134577 100644
--- a/drivers/md/dm-mpath-rdac.c
+++ b/drivers/md/dm-mpath-rdac.c
@@ -292,7 +292,7 @@ static struct request *get_rdac_req(struct rdac_handler *h,
rq->end_io_data = h;
rq->timeout = h->timeout;
rq->cmd_type = REQ_TYPE_BLOCK_PC;
- rq->cmd_flags = REQ_FAILFAST | REQ_NOMERGE;
+ rq->cmd_flags |= REQ_FAILFAST | REQ_NOMERGE;
return rq;
}
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 650991bddd8..f33a729960c 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1972,7 +1972,8 @@ static int run(mddev_t *mddev)
!test_bit(In_sync, &disk->rdev->flags)) {
disk->head_position = 0;
mddev->degraded++;
- conf->fullsync = 1;
+ if (disk->rdev)
+ conf->fullsync = 1;
}
}
if (mddev->degraded == conf->raid_disks) {
@@ -2153,11 +2154,25 @@ static int raid1_reshape(mddev_t *mddev)
oldpool = conf->r1bio_pool;
conf->r1bio_pool = newpool;
- for (d=d2=0; d < conf->raid_disks; d++)
- if (conf->mirrors[d].rdev) {
- conf->mirrors[d].rdev->raid_disk = d2;
- newmirrors[d2++].rdev = conf->mirrors[d].rdev;
+ for (d = d2 = 0; d < conf->raid_disks; d++) {
+ mdk_rdev_t *rdev = conf->mirrors[d].rdev;
+ if (rdev && rdev->raid_disk != d2) {
+ char nm[20];
+ sprintf(nm, "rd%d", rdev->raid_disk);
+ sysfs_remove_link(&mddev->kobj, nm);
+ rdev->raid_disk = d2;
+ sprintf(nm, "rd%d", rdev->raid_disk);
+ sysfs_remove_link(&mddev->kobj, nm);
+ if (sysfs_create_link(&mddev->kobj,
+ &rdev->kobj, nm))
+ printk(KERN_WARNING
+ "md/raid1: cannot register "
+ "%s for %s\n",
+ nm, mdname(mddev));
}
+ if (rdev)
+ newmirrors[d2++].rdev = rdev;
+ }
kfree(conf->mirrors);
conf->mirrors = newmirrors;
kfree(conf->poolinfo);