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[PATCH] md: Assorted little md fixes

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- version-1 superblock
  + The default_bitmap_offset is in sectors, not bytes.
  + the 'size' field in the superblock is in sectors, not KB
- raid0_run should return a negative number on error, not '1'
- raid10_read_balance should not return a valid 'disk' number if
     ->rdev turned out to be NULL
- kmem_cache_destroy doesn't like being passed a NULL.

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
NeilBrown
2006-02-03 03:03:41 -08:00
committed by Linus Torvalds
parent 284ae7cab0
commit 29fc7e3e70
5 changed files with 9 additions and 5 deletions
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4
drivers/md/md.c
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@@ -1081,7 +1081,7 @@ static int super_1_validate(mddev_t *mddev, mdk_rdev_t *rdev)
mddev->size = le64_to_cpu(sb->size)/2;
mddev->events = le64_to_cpu(sb->events);
mddev->bitmap_offset = 0;
mddev->default_bitmap_offset = 1024;
mddev->default_bitmap_offset = 1024 >> 9;
mddev->recovery_cp = le64_to_cpu(sb->resync_offset);
memcpy(mddev->uuid, sb->set_uuid, 16);
@@ -1162,7 +1162,7 @@ static void super_1_sync(mddev_t *mddev, mdk_rdev_t *rdev)
sb->cnt_corrected_read = atomic_read(&rdev->corrected_errors);
sb->raid_disks = cpu_to_le32(mddev->raid_disks);
sb->size = cpu_to_le64(mddev->size);
sb->size = cpu_to_le64(mddev->size<<1);
if (mddev->bitmap && mddev->bitmap_file == NULL) {
sb->bitmap_offset = cpu_to_le32((__u32)mddev->bitmap_offset);