diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-02-09 14:58:11 +0100 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2009-02-09 14:58:11 +0100 |
commit | 249d51b53aea1b7cdb1be65a1a9a0c59d9e06f3e (patch) | |
tree | 7fc06930e46ee13d394f5b031166c40206af3189 /drivers/md/md.c | |
parent | 44581a28e805a31661469c4b466b9cd14b36e7b6 (diff) | |
parent | 8e4921515c1a379539607eb443d51c30f4f7f338 (diff) |
Merge commit 'v2.6.29-rc4' into core/percpu
Conflicts:
arch/x86/mach-voyager/voyager_smp.c
arch/x86/mm/fault.c
Diffstat (limited to 'drivers/md/md.c')
-rw-r--r-- | drivers/md/md.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index 41e2509bf89..4495104f6c9 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -1481,6 +1481,11 @@ static int bind_rdev_to_array(mdk_rdev_t * rdev, mddev_t * mddev) if (find_rdev_nr(mddev, rdev->desc_nr)) return -EBUSY; } + if (mddev->max_disks && rdev->desc_nr >= mddev->max_disks) { + printk(KERN_WARNING "md: %s: array is limited to %d devices\n", + mdname(mddev), mddev->max_disks); + return -EBUSY; + } bdevname(rdev->bdev,b); while ( (s=strchr(b, '/')) != NULL) *s = '!'; @@ -2441,6 +2446,15 @@ static void analyze_sbs(mddev_t * mddev) i = 0; rdev_for_each(rdev, tmp, mddev) { + if (rdev->desc_nr >= mddev->max_disks || + i > mddev->max_disks) { + printk(KERN_WARNING + "md: %s: %s: only %d devices permitted\n", + mdname(mddev), bdevname(rdev->bdev, b), + mddev->max_disks); + kick_rdev_from_array(rdev); + continue; + } if (rdev != freshest) if (super_types[mddev->major_version]. validate_super(mddev, rdev)) { @@ -4614,13 +4628,6 @@ static int hot_add_disk(mddev_t * mddev, dev_t dev) * noticed in interrupt contexts ... */ - if (rdev->desc_nr == mddev->max_disks) { - printk(KERN_WARNING "%s: can not hot-add to full array!\n", - mdname(mddev)); - err = -EBUSY; - goto abort_unbind_export; - } - rdev->raid_disk = -1; md_update_sb(mddev, 1); @@ -4634,9 +4641,6 @@ static int hot_add_disk(mddev_t * mddev, dev_t dev) md_new_event(mddev); return 0; -abort_unbind_export: - unbind_rdev_from_array(rdev); - abort_export: export_rdev(rdev); return err; |