Op 25-09-12 13:29, Eric W. Biederman schreef:
> Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxx> writes:
>
>>> Could you try the following patch? This should report what directories
>>> cannot be renamed because one of them is a mount point and it gives some
>>> real insight into what is going on.
>> ls /
>> __d_unalias: /dev -> /dev
>> __d_unalias: /proc -> /proc
>> __d_unalias: /sys -> /sys
> Ok. That is what I thought was going on. For some reason nfs is
> attempting to recreate an existing dentry.
>
> Does this fix the nfs problem for you?
>
> Eric
>
> diff --git a/fs/dcache.c b/fs/dcache.c
> index 8086636..6390f0f 100644
> --- a/fs/dcache.c
> +++ b/fs/dcache.c
> @@ -2404,6 +2404,9 @@ out_unalias:
> if (likely(!d_mountpoint(alias))) {
> __d_move(alias, dentry);
> ret = alias;
> + } else if ((alias->d_parent == dentry->d_parent) &&
> + !dentry_cmp(alias, dentry->d_name.name, dentry->d_name.len))
> + ret = alias;
> }
> out_err:
> spin_unlock(&inode->i_lock);
>
>
Are you going to send this in? I don't see a fix for this in linus' kernel yet.
Reported-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxx>
Tested-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxx>
~Maarten
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