btrfs: rename struct btrfs_fs_devices::list

btrfs_fs_devices::list is the list of BTRFS fsid in the kernel, a generic
name 'list' makes it's search very difficult, rename it to fs_list.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index 7909688..62a92e4 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -208,6 +208,7 @@ BTRFS_DEVICE_GETSET_FUNCS(bytes_used);
 
 struct btrfs_fs_devices {
 	u8 fsid[BTRFS_FSID_SIZE]; /* FS specific uuid */
+	struct list_head fs_list;
 
 	u64 num_devices;
 	u64 open_devices;
@@ -229,7 +230,6 @@ struct btrfs_fs_devices {
 	struct list_head resized_devices;
 	/* devices not currently being allocated */
 	struct list_head alloc_list;
-	struct list_head list;
 
 	struct btrfs_fs_devices *seed;
 	int seeding;