Re: [PATCH] reiserfs: Expand i_mutex to enclose lookup_one_len

[Alexander Beregalov]

2009/5/1 Jeff Mahoney <jeffm@xxxxxxxx>:
> Â2.6.30-rc3 introduced some sanity checks in the VFS code to avoid NFS
> Âbugs by ensuring that lookup_one_len is always called under i_mutex.
>
> ÂThis patch expands the i_mutex locking to enclose lookup_one_len. This was
> Âalways required, but not not enforced in the reiserfs code since it
> Âdoes locking around the xattr interactions with the xattr_sem.
>
> ÂThis is obvious enough, but it survived an overnight 50 thread ACL test.
>
> Signed-off-by: Jeff Mahoney <jeffm@xxxxxxxx>
Tested-by: Alexander Beregalov <a.beregalov@xxxxxxxxx>

It works, thanks.
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