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On Sunday April 8, joern@lazybastard.org wrote: > On Sun, 8 April 2007 11:11:20 -0700, H. Peter Anvin wrote: > > > > Well, the question is if you can keep the seekdir/telldir cookie around > > as a pointer -- preferrably in userspace, of course. You would > > presumably garbage-collect them on closedir() -- there is no other point > > at which you could. > > Garbage-collecting them on closedir() does not work. It surprised me as > well, but there seem to be applications that keep the telldir() cookie > around after closedir(). Iirc, "rm -r" was one of them. > > Neil, is this correct? It's just NFS. nfsd does open/getdents/close on every readdir request. "rm -r" is the application that tends to detect any problems with cookie handling between the NFS client and server. (I'm sure there was once an 'rm -r' that used telldir/seekdir, but I cannot find it. Maybe it was level-7 UNIX :-) NeilBrown - 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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