On Tue, Jun 09, 2009 at 01:53:56AM +0530, pravin shelar wrote: > Al Viro wrote: >> On Mon, Jun 08, 2009 at 07:14:15PM +0530, pravin shelar wrote: >>> Hi >>> i have seen error in lustre while setting permission on fs root >>> from a client. problem is permission are not getting propagated to >>> other clients. >>> >>> this is because of do_lookup() call path which does not revalidate >>> fs root dentry in follow_mount() >>> >>> attached patch adds revalidation call in follow_mount. >> >> ... and makes umount() of such thing impossible. NAK. That's not a solution. > > i am not sure how this patch could cause problem for umount. i have > tested patch with nfs and it worked fine. > can u elaborate what is problem? Think what happens if revalidate fails and keeps failing. Would do wonders to pathname resolution in umount(2)... -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
