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bcachefs: Fix bch2_inode_insert() race path for tmpfiles

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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2024-07-01 16:23:54 -04:00
parent 29f1c1ae6d
commit b02f973e67
1 changed files with 6 additions and 0 deletions
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6
fs/bcachefs/fs.c
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@ -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 {