Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 280503
b: refs/heads/master
c: 657e3e4
h: refs/heads/master
i:
  280501: 22b922a
  280499: c160e1d
  280495: ccac33f
v: v3
  • Loading branch information
NeilBrown committed Dec 22, 2011
1 parent f52c6df commit 37ac794
Show file tree
Hide file tree
Showing 2 changed files with 33 additions and 27 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 14a75d3e07c784c004b4b44b34af996b8e4ac453
refs/heads/master: 657e3e4d88461a5ab660dd87f8f773f55e748da4
58 changes: 32 additions & 26 deletions trunk/drivers/md/raid5.c
Original file line number Diff line number Diff line change
Expand Up @@ -5086,36 +5086,42 @@ static int raid5_remove_disk(struct mddev *mddev, struct md_rdev *rdev)
struct r5conf *conf = mddev->private;
int err = 0;
int number = rdev->raid_disk;
struct md_rdev **rdevp;
struct disk_info *p = conf->disks + number;

print_raid5_conf(conf);
if (rdev == p->rdev) {
if (number >= conf->raid_disks &&
conf->reshape_progress == MaxSector)
clear_bit(In_sync, &rdev->flags);
if (rdev == p->rdev)
rdevp = &p->rdev;
else if (rdev == p->replacement)
rdevp = &p->replacement;
else
return 0;

if (test_bit(In_sync, &rdev->flags) ||
atomic_read(&rdev->nr_pending)) {
err = -EBUSY;
goto abort;
}
/* Only remove non-faulty devices if recovery
* isn't possible.
*/
if (!test_bit(Faulty, &rdev->flags) &&
mddev->recovery_disabled != conf->recovery_disabled &&
!has_failed(conf) &&
number < conf->raid_disks) {
err = -EBUSY;
goto abort;
}
p->rdev = NULL;
synchronize_rcu();
if (atomic_read(&rdev->nr_pending)) {
/* lost the race, try later */
err = -EBUSY;
p->rdev = rdev;
}
if (number >= conf->raid_disks &&
conf->reshape_progress == MaxSector)
clear_bit(In_sync, &rdev->flags);

if (test_bit(In_sync, &rdev->flags) ||
atomic_read(&rdev->nr_pending)) {
err = -EBUSY;
goto abort;
}
/* Only remove non-faulty devices if recovery
* isn't possible.
*/
if (!test_bit(Faulty, &rdev->flags) &&
mddev->recovery_disabled != conf->recovery_disabled &&
!has_failed(conf) &&
number < conf->raid_disks) {
err = -EBUSY;
goto abort;
}
*rdevp = NULL;
synchronize_rcu();
if (atomic_read(&rdev->nr_pending)) {
/* lost the race, try later */
err = -EBUSY;
*rdevp = rdev;
}
abort:

Expand Down

0 comments on commit 37ac794

Please sign in to comment.