Commit 522f1b45 authored by Anand Jain's avatar Anand Jain Committed by David Sterba

btrfs: make btrfs_free_stale_devices() argument optional

This updates btrfs_free_stale_devices() helper function to delete all
unmouted devices, when arg is NULL.
Signed-off-by: default avatarAnand Jain <anand.jain@oracle.com>
Reviewed-by: default avatarJosef Bacik <jbacik@fb.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 38cf665d
......@@ -610,9 +610,6 @@ static void btrfs_free_stale_devices(struct btrfs_device *cur_dev)
struct btrfs_fs_devices *fs_devs, *tmp_fs_devs;
struct btrfs_device *dev, *tmp_dev;
if (!cur_dev->name)
return;
list_for_each_entry_safe(fs_devs, tmp_fs_devs, &fs_uuids, list) {
if (fs_devs->opened)
......@@ -620,11 +617,9 @@ static void btrfs_free_stale_devices(struct btrfs_device *cur_dev)
list_for_each_entry_safe(dev, tmp_dev,
&fs_devs->devices, dev_list) {
int not_found;
int not_found = 0;
if (dev == cur_dev)
continue;
if (!dev->name)
if (cur_dev && (cur_dev == dev || !dev->name))
continue;
/*
......@@ -634,8 +629,9 @@ static void btrfs_free_stale_devices(struct btrfs_device *cur_dev)
* either use mapper or non mapper path throughout.
*/
rcu_read_lock();
not_found = strcmp(rcu_str_deref(dev->name),
rcu_str_deref(cur_dev->name));
if (cur_dev)
not_found = strcmp(rcu_str_deref(dev->name),
rcu_str_deref(cur_dev->name));
rcu_read_unlock();
if (not_found)
continue;
......
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