[Linux-cluster] Posix ACL deps for gfs-kernel modules

[Ken Preslan]

If you apply the patches in cluster/gfs-kernel/patches to the kernel and
build GFS that way, things work ok.


On Wed, Jul 28, 2004 at 10:57:11AM +0200, Lazar Obradovic wrote:
> Hi, 
> 
> I've been playing with out-of-tree building of gfs related modules
> (actually, creating ebuilds for gfs), and found out one really stupid
> thing: 
> 
> You cannot successfuly build gfs-kernel modules if you don't have at
> least one "regular" filesystem build in kernel with Posix ACL support. 
> The thing is that gfs-kernel tree modules expect to have posix_acl*
> symbols available from already build kernel. 
> 
> Perhaps it's not a "bug" in gfs-kernel after all, since kernel
> documentation states:
> 
> --- fs/KConfig ---
> config FS_POSIX_ACL
> # Posix ACL utility routines (for now, only ext2/ext3/jfs/reiserfs)
> #
> # NOTE: you can implement Posix ACLs without these helpers (XFS does).
> #       Never use this symbol for ifdefs.
> #
>         bool
>         depends on EXT2_FS_POSIX_ACL || EXT3_FS_POSIX_ACL ||
> JFS_POSIX_ACL || REISERFS_FS_POSIX_ACL
>         default y
> --- fs/KConfig ---
> 
> but, on the other hand, it doesn't put CONFIG_FS_POSIX_ACL in .config,
> so fs/Makefile ignores posix_acl.o and xattr.o when compiliing kernel. 
> 
> Is this gfs or kernel issue? Can we locally correct this (somehow force
> the compilation of fs/posix_acl.o and fs/xattr.o if not available) or do
> we have report this to LKML? 
> 
> Quick fix would be to compile kernel with EXT3_FS_POSIX_ACL, but i'm not
> sure what side-effects would that have on ext3 filesystems.
> 
> -- 
> Lazar Obradovic, System Engineer
> ----- 
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-- 
Ken Preslan <kpreslan at redhat.com>