[PATCH 07/17] Btrfs: don't invoke btrfs_invalidate_inodes() in the spin lock context

[Miao Xie]

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

Signed-off-by: Miao Xie <mi...@cn.fujitsu.com>
---
 fs/btrfs/disk-io.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 642c861..724a0da 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -3685,8 +3685,11 @@ 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);
@@ -3808,8 +3811,11 @@ 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);
-- 
1.8.1.4

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