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authorJun'ichi Nomura <j-nomura@ce.jp.nec.com>2006-03-27 01:17:58 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-27 08:45:00 -0800
commit5463c7904c952aa6b6804dd902c72a5332fa5221 (patch)
treeb2894d58ad0d99959bf246722e33a64960125f57 /drivers
parent641dc636b0475582e48584340b774bd1e90d40d9 (diff)
[PATCH] dm/md dependency tree in sysfs: md to use bd_claim_by_disk
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@ce.jp.nec.com> Cc: Alasdair G Kergon <agk@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/md/md.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 5ed2228745c..bde3e968225 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1301,6 +1301,7 @@ static int bind_rdev_to_array(mdk_rdev_t * rdev, mddev_t * mddev)
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;
}
@@ -1311,6 +1312,7 @@ static void unbind_rdev_from_array(mdk_rdev_t * rdev)
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;