This patch is part of dm/md dependency tree in sysfs. Following symlinks are created if md0 is built from sda and sdb /sys/block/md0/slaves/sda --> /sys/block/sda /sys/block/md0/slaves/sdb --> /sys/block/sdb /sys/block/sda/holders/md0 --> /sys/block/md0 /sys/block/sdb/holders/md0 --> /sys/block/md0 Thanks, -- Jun'ichi Nomura, NEC Solutions (America), Inc.
Use bd_claim_by_disk. Following symlinks are created if md0 is built from sda and sdb /sys/block/md0/slaves/sda --> /sys/block/sda /sys/block/md0/slaves/sdb --> /sys/block/sdb /sys/block/sda/holders/md0 --> /sys/block/md0 /sys/block/sdb/holders/md0 --> /sys/block/md0 Signed-off-by: Jun'ichi Nomura <j-nomura@xxxxxxxxxxxxx> drivers/md/md.c | 2 ++ 1 files changed, 2 insertions(+) --- linux-2.6.16-rc6.orig/drivers/md/md.c 2006-03-11 17:12:55.000000000 -0500 +++ linux-2.6.16-rc6/drivers/md/md.c 2006-03-13 11:24:00.000000000 -0500 @@ -1298,6 +1298,7 @@ static int bind_rdev_to_array(mdk_rdev_t else ko = &rdev->bdev->bd_disk->kobj; sysfs_create_link(&rdev->kobj, ko, "block"); + bd_claim_by_disk(rdev->bdev, rdev, mddev->gendisk); return 0; } @@ -1308,6 +1309,7 @@ static void unbind_rdev_from_array(mdk_r MD_BUG(); return; } + bd_release_from_disk(rdev->bdev, rdev->mddev->gendisk); list_del_init(&rdev->same_set); printk(KERN_INFO "md: unbind<%s>\n", bdevname(rdev->bdev,b)); rdev->mddev = NULL;
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