From mboxrd@z Thu Jan 1 00:00:00 1970 From: NeilBrown Subject: [PATCH md 004 of 18] Set default_bitmap_offset properly in set_array_info Date: Mon, 28 Nov 2005 10:39:57 +1100 Message-ID: <1051127233957.14781@suse.de> References: <20051128102824.14498.patches@notabene> Return-path: Sender: linux-raid-owner@vger.kernel.org To: Andrew Morton Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids 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 ### Diffstat output ./drivers/md/md.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff ./drivers/md/md.c~current~ ./drivers/md/md.c --- ./drivers/md/md.c~current~ 2005-11-28 10:08:19.000000000 +1100 +++ ./drivers/md/md.c 2005-11-28 10:10:54.000000000 +1100 @@ -1028,7 +1028,6 @@ static int super_1_validate(mddev_t *mdd 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); @@ -2932,6 +2931,9 @@ static int set_array_info(mddev_t * mdde mddev->sb_dirty = 1; + mddev->default_bitmap_offset = MD_SB_BYTES >> 9; + mddev->bitmap_offset = 0; + /* * Generate a 128 bit UUID */