From: Anand Jain <anand.j...@oracle.com>
This updates btrfs_free_stale_devices() helper function to delete all
unmouted devices, when arg is NULL.
Signed-off-by: Anand Jain <anand.j...@oracle.com>
Reviewed-by: Josef Bacik <jba...@fb.com>
---
fs/btrfs/volumes.c | 14 +++++---------
1 file changed, 5 insertions(+), 9 deletions(-)
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index cd234a5dc763..bba98d043402 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -611,9 +611,6 @@ 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)
@@ -621,11 +618,9 @@ 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;
/*
@@ -635,8 +630,9 @@ 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;
--
2.7.0
--
To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
