From: Anand Jain <anand.jain@oracle.com>
Date: Mon, 9 Mar 2015 22:38:30 +0000 (+0800)
Subject: Btrfs: introduce btrfs_get_fs_uuids to get fs_uuids
X-Git-Tag: v4.2-rc1~65^2~1^2~14
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=c73eccf75bf92e49be30884da32a169b04eb5bc9;p=karo-tx-linux.git

Btrfs: introduce btrfs_get_fs_uuids to get fs_uuids

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
---

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 39ff99e4b5a6..e500bfa54dc9 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -52,6 +52,10 @@ static void btrfs_dev_stat_print_on_load(struct btrfs_device *device);
 
 DEFINE_MUTEX(uuid_mutex);
 static LIST_HEAD(fs_uuids);
+struct list_head *btrfs_get_fs_uuids(void)
+{
+	return &fs_uuids;
+}
 
 static struct btrfs_fs_devices *__alloc_fs_devices(void)
 {
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index e9780e9e6d97..ac7e938c6977 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -542,5 +542,6 @@ static inline void unlock_chunks(struct btrfs_root *root)
 	mutex_unlock(&root->fs_info->chunk_mutex);
 }
 
+struct list_head *btrfs_get_fs_uuids(void);
 
 #endif