Messages in this thread Patch in this message | ![/](/images/icornerl.gif) | | Date | Thu, 31 Jul 2003 15:05:48 -0700 | From | Andrew Morton <> | Subject | Re: Kernel 2.4 and 2.6 disagree about NFSEXP_CROSSMNT - upward incompatibility, please fix |
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Chip Salzenberg <chip@pobox.com> wrote: > > According to Steve Dickson: > > It seems in nfs-utils-1.05 (actually it happen in 1.0.4) > > the NFSEXP_CROSSMNT define was changed to 0x4000 .... > > This looks like an actual kernel incompatibility 2.4 <-> 2.6, as > the 2.4 and 2.6 trees disagree about the value of NFSEXP_CROSSMNT.
yup.
> > So could please add this patch that simply switchs the bits > > so NFSEXP_CROSSMNT stays the same and the new NFSEXP_NOHIDE define > > gets the higher bit? > > And 2.6's include/linux/nfsd/export.h needs the same fix. This needs > to go in before the 2.6.0 release or nfs-utils is in deep kimchi.
Like this?
diff -puN include/linux/nfsd/export.h~nfs-flags-untangle include/linux/nfsd/export.h --- 25/include/linux/nfsd/export.h~nfs-flags-untangle Thu Jul 31 15:04:25 2003 +++ 25-akpm/include/linux/nfsd/export.h Thu Jul 31 15:04:49 2003 @@ -35,12 +35,12 @@ #define NFSEXP_UIDMAP 0x0040 #define NFSEXP_KERBEROS 0x0080 /* not available */ #define NFSEXP_SUNSECURE 0x0100 -#define NFSEXP_NOHIDE 0x0200 +#define NFSEXP_CROSSMNT 0x0200 #define NFSEXP_NOSUBTREECHECK 0x0400 #define NFSEXP_NOAUTHNLM 0x0800 /* Don't authenticate NLM requests - just trust */ #define NFSEXP_MSNFS 0x1000 /* do silly things that MS clients expect */ #define NFSEXP_FSID 0x2000 -#define NFSEXP_CROSSMNT 0x4000 +#define NFSEXP_NOHIDE 0x4000 #define NFSEXP_ALLFLAGS 0x7FFF _
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