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Merge branch 'for-linus' of git://neil.brown.name/md 

* 'for-linus' of git://neil.brown.name/md:
  md: linear: Fix a division by zero bug for very small arrays.
  md: fix bug in raid10 recovery.
  md: revert the recent addition of a call to the BLKRRPART ioctl.
This commit is contained in:
Linus Torvalds 2008-11-06 15:50:11 -08:00
parent 38407aad0d f1cd14ae52
commit 71fe3fcaf6
3 changed files with 3 additions and 7 deletions
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2
drivers/md/linear.c
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@ -148,6 +148,8 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks)
min_sectors = conf->array_sectors;
sector_div(min_sectors, PAGE_SIZE/sizeof(struct dev_info *));
if (min_sectors == 0)
min_sectors = 1;
/* min_sectors is the minimum spacing that will fit the hash
* table in one PAGE. This may be much smaller than needed.

6
drivers/md/md.c
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@ -3884,7 +3884,6 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open)
if (mode == 0) {
mdk_rdev_t *rdev;
struct list_head *tmp;
struct block_device *bdev;
printk(KERN_INFO "md: %s stopped.\n", mdname(mddev));
@ -3941,11 +3940,6 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open)
mddev->degraded = 0;
mddev->barriers_work = 0;
mddev->safemode = 0;
bdev = bdget_disk(mddev->gendisk, 0);
if (bdev) {
blkdev_ioctl(bdev, 0, BLKRRPART, 0);
bdput(bdev);
}
kobject_uevent(&disk_to_dev(mddev->gendisk)->kobj, KOBJ_CHANGE);
} else if (mddev->pers)

2
drivers/md/raid10.c
View File

@ -1137,7 +1137,7 @@ static int raid10_add_disk(mddev_t *mddev, mdk_rdev_t *rdev)
if (!enough(conf))
return -EINVAL;
if (rdev->raid_disk)
if (rdev->raid_disk >= 0)
first = last = rdev->raid_disk;
if (rdev->saved_raid_disk >= 0 &&