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| author | NeilBrown <neilb@suse.de> | 2011-12-23 10:17:51 +1100 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2011-12-23 10:17:51 +1100 |
| commit | b8321b68d1445f308324517e45fb0a5c2b48e271 (patch) | |
| tree | 3fc4c9b253435753d2154d9bd697a7869163c29a /drivers/md/multipath.c | |
| parent | 476a7abb9b00adfe6bf70e82800367319ab8078b (diff) | |
| download | linux-b8321b68d1445f308324517e45fb0a5c2b48e271.tar.gz linux-b8321b68d1445f308324517e45fb0a5c2b48e271.tar.bz2 linux-b8321b68d1445f308324517e45fb0a5c2b48e271.zip | |
md: change hot_remove_disk to take an rdev rather than a number.
Soon an array will be able to have multiple devices with the
same raid_disk number (an original and a replacement). So removing
a device based on the number won't work. So pass the actual device
handle instead.
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md/multipath.c')
| -rw-r--r-- | drivers/md/multipath.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c index 5899246fa37e..a222f516660e 100644 --- a/drivers/md/multipath.c +++ b/drivers/md/multipath.c @@ -292,17 +292,16 @@ static int multipath_add_disk(struct mddev *mddev, struct md_rdev *rdev) return err; } -static int multipath_remove_disk(struct mddev *mddev, int number) +static int multipath_remove_disk(struct mddev *mddev, struct md_rdev *rdev) { struct mpconf *conf = mddev->private; int err = 0; - struct md_rdev *rdev; + int number = rdev->raid_disk; struct multipath_info *p = conf->multipaths + number; print_multipath_conf(conf); - rdev = p->rdev; - if (rdev) { + if (rdev == p->rdev) { if (test_bit(In_sync, &rdev->flags) || atomic_read(&rdev->nr_pending)) { printk(KERN_ERR "hot-remove-disk, slot %d is identified" |