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authorNeilBrown <neilb@suse.de>2009-01-09 08:31:05 +1100
committerNeilBrown <neilb@suse.de>2009-01-09 08:31:05 +1100
commit0c3573f19d135d718264e38c46597295bd6154b7 (patch)
tree0943035f89d163d9d7b354445303fb03e5ea7fb1 /drivers/md
parent538452700d95480c16e7aa6b10ff77cd937d33f4 (diff)
md: use sysfs_notify_dirent to notify changes to md/sync_action.
There is no compelling need for this, but sysfs_notify_dirent is a nicer interface and the change is good for consistency. Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/md.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 1b1d32694f6..ee759b193e9 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -3046,7 +3046,7 @@ action_store(mddev_t *mddev, const char *page, size_t len)
}
set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
md_wakeup_thread(mddev->thread);
- sysfs_notify(&mddev->kobj, NULL, "sync_action");
+ sysfs_notify_dirent(mddev->sysfs_action);
return len;
}
@@ -3684,6 +3684,7 @@ static int do_md_run(mddev_t * mddev)
printk(KERN_WARNING
"md: cannot register extra attributes for %s\n",
mdname(mddev));
+ mddev->sysfs_action = sysfs_get_dirent(mddev->kobj.sd, "sync_action");
} else if (mddev->ro == 2) /* auto-readonly not meaningful */
mddev->ro = 0;
@@ -3754,7 +3755,8 @@ static int do_md_run(mddev_t * mddev)
mddev->changed = 1;
md_new_event(mddev);
sysfs_notify_dirent(mddev->sysfs_state);
- sysfs_notify(&mddev->kobj, NULL, "sync_action");
+ if (mddev->sysfs_action)
+ sysfs_notify_dirent(mddev->sysfs_action);
sysfs_notify(&mddev->kobj, NULL, "degraded");
kobject_uevent(&disk_to_dev(mddev->gendisk)->kobj, KOBJ_CHANGE);
return 0;
@@ -3854,9 +3856,12 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open)
mddev->queue->merge_bvec_fn = NULL;
mddev->queue->unplug_fn = NULL;
mddev->queue->backing_dev_info.congested_fn = NULL;
- if (mddev->pers->sync_request)
+ if (mddev->pers->sync_request) {
sysfs_remove_group(&mddev->kobj, &md_redundancy_group);
-
+ if (mddev->sysfs_action)
+ sysfs_put(mddev->sysfs_action);
+ mddev->sysfs_action = NULL;
+ }
module_put(mddev->pers->owner);
mddev->pers = NULL;
/* tell userspace to handle 'inactive' */
@@ -6155,7 +6160,7 @@ void md_check_recovery(mddev_t *mddev)
mddev->recovery = 0;
/* flag recovery needed just to double check */
set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
- sysfs_notify(&mddev->kobj, NULL, "sync_action");
+ sysfs_notify_dirent(mddev->sysfs_action);
md_new_event(mddev);
goto unlock;
}
@@ -6216,7 +6221,7 @@ void md_check_recovery(mddev_t *mddev)
mddev->recovery = 0;
} else
md_wakeup_thread(mddev->sync_thread);
- sysfs_notify(&mddev->kobj, NULL, "sync_action");
+ sysfs_notify_dirent(mddev->sysfs_action);
md_new_event(mddev);
}
unlock:
@@ -6224,7 +6229,8 @@ void md_check_recovery(mddev_t *mddev)
clear_bit(MD_RECOVERY_RUNNING, &mddev->recovery);
if (test_and_clear_bit(MD_RECOVERY_RECOVER,
&mddev->recovery))
- sysfs_notify(&mddev->kobj, NULL, "sync_action");
+ if (mddev->sysfs_action)
+ sysfs_notify_dirent(mddev->sysfs_action);
}
mddev_unlock(mddev);
}