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| author | Jody McIntyre <scjody@modernduck.com> | 2006-03-29 03:24:39 +0200 |
|---|---|---|
| committer | Jody McIntyre <scjody@modernduck.com> | 2006-03-29 03:24:39 +0200 |
| commit | c0e4077c946104e5d8a62f835dcdca5c79c8af7d (patch) | |
| tree | c1f458722f86690a6172bbac2dfef3241ba0ec7e /drivers/md/raid1.c | |
| parent | ohci1394: cleanup the "Unexpected PCI resource length" warning. (diff) | |
| parent | Merge master.kernel.org:/home/rmk/linux-2.6-arm (diff) | |
| download | linux-c0e4077c946104e5d8a62f835dcdca5c79c8af7d.tar.xz linux-c0e4077c946104e5d8a62f835dcdca5c79c8af7d.zip | |
Merge with git+ssh://master.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'drivers/md/raid1.c')
| -rw-r--r-- | drivers/md/raid1.c | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 5d88329e3c7a..3cb0872a845d 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -1402,6 +1402,9 @@ static void raid1d(mddev_t *mddev) clear_bit(R1BIO_BarrierRetry, &r1_bio->state); clear_bit(R1BIO_Barrier, &r1_bio->state); for (i=0; i < conf->raid_disks; i++) + if (r1_bio->bios[i]) + atomic_inc(&r1_bio->remaining); + for (i=0; i < conf->raid_disks; i++) if (r1_bio->bios[i]) { struct bio_vec *bvec; int j; @@ -1789,6 +1792,11 @@ static int run(mddev_t *mddev) mdname(mddev), mddev->level); goto out; } + if (mddev->reshape_position != MaxSector) { + printk("raid1: %s: reshape_position set but not supported\n", + mdname(mddev)); + goto out; + } /* * copy the already verified devices into our private RAID1 * bookkeeping area. [whatever we allocate in run(), @@ -1971,7 +1979,7 @@ static int raid1_resize(mddev_t *mddev, sector_t sectors) return 0; } -static int raid1_reshape(mddev_t *mddev, int raid_disks) +static int raid1_reshape(mddev_t *mddev) { /* We need to: * 1/ resize the r1bio_pool @@ -1988,10 +1996,22 @@ static int raid1_reshape(mddev_t *mddev, int raid_disks) struct pool_info *newpoolinfo; mirror_info_t *newmirrors; conf_t *conf = mddev_to_conf(mddev); - int cnt; + int cnt, raid_disks; int d, d2; + /* Cannot change chunk_size, layout, or level */ + if (mddev->chunk_size != mddev->new_chunk || + mddev->layout != mddev->new_layout || + mddev->level != mddev->new_level) { + mddev->new_chunk = mddev->chunk_size; + mddev->new_layout = mddev->layout; + mddev->new_level = mddev->level; + return -EINVAL; + } + + raid_disks = mddev->raid_disks + mddev->delta_disks; + if (raid_disks < conf->raid_disks) { cnt=0; for (d= 0; d < conf->raid_disks; d++) @@ -2038,6 +2058,7 @@ static int raid1_reshape(mddev_t *mddev, int raid_disks) mddev->degraded += (raid_disks - conf->raid_disks); conf->raid_disks = mddev->raid_disks = raid_disks; + mddev->delta_disks = 0; conf->last_used = 0; /* just make sure it is in-range */ lower_barrier(conf); @@ -2079,7 +2100,7 @@ static struct mdk_personality raid1_personality = .spare_active = raid1_spare_active, .sync_request = sync_request, .resize = raid1_resize, - .reshape = raid1_reshape, + .check_reshape = raid1_reshape, .quiesce = raid1_quiesce, }; |