From b02f973e67589cf617f229250e2a738ab62ca666 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Mon, 1 Jul 2024 16:23:54 -0400
Subject: [PATCH] bcachefs: Fix bch2_inode_insert() race path for tmpfiles
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/fs.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/fs/bcachefs/fs.c b/fs/bcachefs/fs.c
index f9c9a95d7d4ca..1768b2678b387 100644
--- a/fs/bcachefs/fs.c
+++ b/fs/bcachefs/fs.c
@@ -194,6 +194,12 @@ static struct bch_inode_info *bch2_inode_insert(struct bch_fs *c, struct bch_ino
* discard_new_inode() expects it to be set...
*/
inode->v.i_flags |= I_NEW;
+ /*
+ * We don't want bch2_evict_inode() to delete the inode on disk,
+ * we just raced and had another inode in cache. Normally new
+ * inodes don't have nlink == 0 - except tmpfiles do...
+ */
+ set_nlink(&inode->v, 1);
discard_new_inode(&inode->v);
inode = old;
} else {
--
GitLab