[PATCH] Btrfs: forced readonly when orphan_del fails

[Tsutomu Itoh]

In the case where the orphan_del fails, and cannot return
error to the caller, the filesystem turns to readonly instead
of BUG_ON().

Signed-off-by: Tsutomu Itoh <t-i...@jp.fujitsu.com>
---
 fs/btrfs/inode.c |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 8ad26b1..464e79e 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -1960,7 +1960,10 @@ void btrfs_orphan_commit_root(struct btrfs_trans_handle 
*trans,
            btrfs_root_refs(&root->root_item) > 0) {
                ret = btrfs_del_orphan_item(trans, root->fs_info->tree_root,
                                            root->root_key.objectid);
-               BUG_ON(ret);
+               if (ret) {
+                       btrfs_std_error(root->fs_info, ret);
+                       return;
+               }
                root->orphan_item_inserted = 0;
        }
 
@@ -3532,7 +3535,8 @@ void btrfs_evict_inode(struct inode *inode)
        if (ret == 0) {
                trans->block_rsv = root->orphan_block_rsv;
                ret = btrfs_orphan_del(trans, inode);
-               BUG_ON(ret);
+               if (ret)
+                       btrfs_std_error(root->fs_info, ret);
        }
 
        trans->block_rsv = &root->fs_info->trans_block_rsv;

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