From: Omar Sandoval <[email protected]>

Currently, if btrfs_insert_orphan_item() fails, we release the reserved
space and decrement root->orphan_inodes. However, we also ignore -EEXIST
errors, so we still want the space reservation for when we delete the
item, and we still need to count the orphan because we're still going to
decrement root->orphan_inodes from btrfs_orphan_del() later.

Fixes: 4ef31a45a009 ("Btrfs: fix the error handling wrt orphan items")
Signed-off-by: Omar Sandoval <[email protected]>
---
 fs/btrfs/inode.c | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 1460823951d7..e77df96de642 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -3408,7 +3408,7 @@ int btrfs_orphan_add(struct btrfs_trans_handle *trans,
        /* insert an orphan item to track this unlinked file */
        if (insert) {
                ret = btrfs_insert_orphan_item(trans, root, btrfs_ino(inode));
-               if (ret) {
+               if (ret && ret != -EEXIST) {
                        if (reserve) {
                                clear_bit(BTRFS_INODE_ORPHAN_META_RESERVED,
                                          &inode->runtime_flags);
@@ -3420,14 +3420,11 @@ int btrfs_orphan_add(struct btrfs_trans_handle *trans,
                         * decrease ->orphan_inodes after everything is done.
                         */
                        atomic_dec(&root->orphan_inodes);
-                       if (ret != -EEXIST) {
-                               clear_bit(BTRFS_INODE_HAS_ORPHAN_ITEM,
-                                         &inode->runtime_flags);
-                               btrfs_abort_transaction(trans, ret);
-                               return ret;
-                       }
+                       clear_bit(BTRFS_INODE_HAS_ORPHAN_ITEM,
+                                 &inode->runtime_flags);
+                       btrfs_abort_transaction(trans, ret);
+                       return ret;
                }
-               ret = 0;
        }
 
        return 0;
-- 
2.17.0

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