Messages in this thread | | | From | Rusty Russell <> | Subject | Re: [RFC] Rearranging struct dentry for cache affinity | Date | Wed, 17 Jul 2002 10:04:44 +1000 |
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In message <Pine.GSO.4.21.0207160036460.24417-100000@weyl.math.psu.edu> you wri te: > On Tue, 16 Jul 2002, Rusty Russell wrote: > > > Really? Other than changing over to get_sb_psuedo(), what does your patch > > fix? As the filesystem should never be unmounted, what am I missing? > > > filp->f_op = &futex_fops; > > > - filp->f_dentry = dget(futex_dentry); > > > + filp->f_vfsmnt = mntget(futex_mnt); > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > > > + filp->f_dentry = dget(futex_mnt->mnt_root); > > Uninitialized ->f_vfsmnt == quite a few places in the tree very unhappy. > E.g. any access to /proc/<pid>/fd/<n>.
I figured out which ones I needed to set by rough inspection, always a dangerous practice.
Thanks! Rusty. -- Anyone who quotes me in their sig is an idiot. -- Rusty Russell. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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