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>

1 files changed, 6 insertions, 0 deletions

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 9b9f28664b4f..1b03f8393a69 100644
--- 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);