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md: don't impose the MD_SB_DISKS limit on arrays without metadata. 

These arrays, created with "mdadm --build" don't benefit from a limit.
The default will be used, which is '0' and is interpreted as "don't
impose a limit".

Reported-by: ian_bruce@mail.ru
Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
hifive-unleashed-5.1
NeilBrown 2017-03-01 07:31:28 +11:00 committed by Shaohua Li
parent c948363421
commit 1b3bae49fb
1 changed files with 3 additions and 4 deletions
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7
drivers/md/md.c
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@ -6450,11 +6450,10 @@ static int set_array_info(struct mddev *mddev, mdu_array_info_t *info)
mddev->layout = info->layout;
mddev->chunk_sectors = info->chunk_size >> 9;
mddev->max_disks = MD_SB_DISKS;
if (mddev->persistent) {
mddev->flags = 0;
mddev->sb_flags = 0;
mddev->max_disks = MD_SB_DISKS;
mddev->flags = 0;
mddev->sb_flags = 0;
}
set_bit(MD_SB_CHANGE_DEVS, &mddev->sb_flags);