Re: [patch 1/3] dentries: Always use list_del_init() when removinga dentry from the lru

[Pekka Enberg]

Christoph Lameter wrote:
> The patch restores what commit 4a0962abd187df29b7d1378b2f372a55667d54c0
> already implemented. The feature was subsequently clobbered by
> commit da3bbdd4632c0171406b2677e31494afa5bde2f8
>
> Before this patch some execution path use list_del() instead of
> list_del_init() which results in inconsitencies in the state of d_lru
> when the object is freed.
>
> The performance of list_del_init() and list_del() is the same.
> So lets just have one dentry removal function named dentry_lru_del() that always
> does a list_del_init().
>
> The result of this patch is that dentry->d_lru is now always empty when a
> dentry is freed. The dentry defragmentation patch depends on a defined state
> of a dentry on free.
>
> Signed-off-by: Christoph Lameter <cl@xxxxxxxxxxxxxxxxxxxx>

Applied, thanks!
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