diff options
| author | Misono Tomohiro <misono.tomohiro@jp.fujitsu.com> | 2018-08-02 16:19:07 +0900 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2018-08-06 13:13:02 +0200 |
| commit | 672d599041c862dd61a1576c32e946ef0d77aa34 (patch) | |
| tree | 73d4d2cd0073a7c50ef7723e51393c825af2b43d /fs/btrfs/super.c | |
| parent | f5b3a4173ff624b766c56936bb315e1517603891 (diff) | |
btrfs: Use wrapper macro for rcu string to remove duplicate code
Cleanup patch and no functional changes.
Signed-off-by: Misono Tomohiro <misono.tomohiro@jp.fujitsu.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/super.c')
| -rw-r--r-- | fs/btrfs/super.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 67de3c0fc85b..6601c9aa5e35 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -2303,7 +2303,6 @@ static int btrfs_show_devname(struct seq_file *m, struct dentry *root) struct btrfs_fs_devices *cur_devices; struct btrfs_device *dev, *first_dev = NULL; struct list_head *head; - struct rcu_string *name; /* * Lightweight locking of the devices. We should not need @@ -2327,12 +2326,10 @@ static int btrfs_show_devname(struct seq_file *m, struct dentry *root) cur_devices = cur_devices->seed; } - if (first_dev) { - name = rcu_dereference(first_dev->name); - seq_escape(m, name->str, " \t\n\\"); - } else { + if (first_dev) + seq_escape(m, rcu_str_deref(first_dev->name), " \t\n\\"); + else WARN_ON(1); - } rcu_read_unlock(); return 0; } |