On 03/20/2015 06:33 PM, Richard Weinberger wrote: > Hi! > > Mainline commit 44512449c0ab368889dd13ae0031fba74ee7e1d2 > (jfs: fix readdir cookie incompatibility with NFSv4) does not work as > expected on 3.2. > Maybe on other stable kernels too. > > UML stumbled over it: > https://bugzilla.kernel.org/show_bug.cgi?id=94741 > > If you run the attached readdir.c on a JFS on stable 3.2.51+ readdir() will > not > increment the directory offset nor return NULL, hence the caller will loop > forever. > It looks like if the current directory offset is > 0 and you run > seekdir(telldir()) > the next readdir() call will not increment it.
The backport failed to pass the proper position to filldir() for the . and .. entries. I've attached a proposed patch to the above bug. > > Dave, has your fix some unnamed dependencies which need backporting too? > > Thanks, > //richard Thanks! Shaggy -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
