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[PATCH] md: set default_bitmap_offset properly in set_array_info
If an array is created using set_array_info, default_bitmap_offset isn't set
properly meaning that an internal bitmap cannot be hot-added until the array
is stopped and re-assembled.

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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neilbrown authored and Linus Torvalds committed Nov 28, 2005
1 parent b5ab28a commit b2a2703
Showing 1 changed file with 3 additions and 1 deletion.
4 changes: 3 additions & 1 deletion drivers/md/md.c
Expand Up @@ -1028,7 +1028,6 @@ 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 = 0;
mddev->default_bitmap_offset = 1024;

mddev->recovery_cp = le64_to_cpu(sb->resync_offset);
Expand Down Expand Up @@ -2932,6 +2931,9 @@ static int set_array_info(mddev_t * mddev, mdu_array_info_t *info)

mddev->sb_dirty = 1;

mddev->default_bitmap_offset = MD_SB_BYTES >> 9;
mddev->bitmap_offset = 0;

/*
* Generate a 128 bit UUID
*/
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