Messages in this thread | | | Date | Sat, 21 Mar 2015 23:08:57 +0100 | From | Richard Weinberger <> | Subject | Re: JFS readdir() issues in stable 3.2 |
| |
Am 21.03.2015 um 22:58 schrieb Dave Kleikamp: > 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.
Thanks for sorting this out! :-) //richard
| |