Re: [PATCH 09/11] vfs: factor out inode_insert5()

From: Al Viro
Date: Sun Jun 10 2018 - 01:50:07 EST

On Tue, May 29, 2018 at 04:41:41PM +0200, Miklos Szeredi wrote:
> From: Miklos Szeredi <miklos@xxxxxxxxxx>
> Split out common helper for race free insertion of an already allocated
> inode into the cache. Use this from iget5_locked() and
> insert_inode_locked4(). Make iget5_locked() use new_inode()/iput() instead
> of alloc_inode()/destroy_inode() directly.

... thus hitting the sucker with ->evict_inode(), in condition that is quite
likely to be unfit to be seen by that.