diff options
| author | NeilBrown <neilb@suse.de> | 2005-09-09 16:23:58 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-09 16:39:13 -0700 |
| commit | 53e87fbb5dc887766229eef3ba8bd8ab8853b066 (patch) | |
| tree | 6fec888a271f42a9adb4c0d091219cad1f617233 /drivers/md | |
| parent | 500af87abb81098da47474c81f29ea315a056dc5 (diff) | |
[PATCH] md: choose better default offset for bitmap.
On reflection, a better default location for hot-adding bitmaps with version-1
superblocks is immediately after the superblock. There might not be much room
there, but there is usually atleast 3k, and that is a good start.
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/md.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index 30e3624f3d9..fd66c395894 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -957,8 +957,7 @@ static int super_1_validate(mddev_t *mddev, mdk_rdev_t *rdev) mddev->events = le64_to_cpu(sb->events); mddev->bitmap_offset = 0; mddev->default_bitmap_offset = 0; - if (mddev->minor_version == 0) - mddev->default_bitmap_offset = -(64*1024)/512; + mddev->default_bitmap_offset = 1024; mddev->recovery_cp = le64_to_cpu(sb->resync_offset); memcpy(mddev->uuid, sb->set_uuid, 16); |