Btrfs: don't invoke btrfs_invalidate_inodes() in the spin lock context

btrfs_invalidate_inodes() may sleep, so we should not invoke it in the
spin lock context. Fix it.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 9b9f28664b4f8c27a0ba38bf818e79c0aac3159f..1b03f8393a69976b721e94d8a9e7430959fc32e7 100644 (file)
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -3658,8 +3658,11 @@ static void btrfs_destroy_ordered_operations(struct btrfs_transaction *t,
                                         ordered_operations);
 
                list_del_init(&btrfs_inode->ordered_operations);
+               spin_unlock(&root->fs_info->ordered_extent_lock);
 
                btrfs_invalidate_inodes(btrfs_inode->root);
+
+               spin_lock(&root->fs_info->ordered_extent_lock);
        }
 
        spin_unlock(&root->fs_info->ordered_extent_lock);
@@ -3781,8 +3784,11 @@ static void btrfs_destroy_delalloc_inodes(struct btrfs_root *root)
                list_del_init(&btrfs_inode->delalloc_inodes);
                clear_bit(BTRFS_INODE_IN_DELALLOC_LIST,
                          &btrfs_inode->runtime_flags);
+               spin_unlock(&root->fs_info->delalloc_lock);
 
                btrfs_invalidate_inodes(btrfs_inode->root);
+
+               spin_lock(&root->fs_info->delalloc_lock);
        }
 
        spin_unlock(&root->fs_info->delalloc_lock);