Btrfs: Add locking around volume management (device add/remove/balance)

[deliverable/linux.git] / fs / btrfs / disk-io.c

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 4cdc0b6a26726d6f0009814212060222dd446433..8f4c40033e929d26fa9d792efb713b8bf15ff8e7 100644 (file)
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1287,6 +1287,7 @@ struct btrfs_root *open_ctree(struct super_block *sb,
        mutex_init(&fs_info->chunk_mutex);
        mutex_init(&fs_info->transaction_kthread_mutex);
        mutex_init(&fs_info->cleaner_mutex);
+       mutex_init(&fs_info->volume_mutex);
 
 #if 0
        ret = add_hasher(fs_info, "crc32c");