Re: [PATCH] configfs: change depends -> select SYSFS

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On Mon, 2011-01-17 at 16:13 -0800, Randy Dunlap wrote:
> On 01/17/11 14:10, Nicholas A. Bellinger wrote:
> > On Mon, 2011-01-17 at 10:24 -0800, Randy Dunlap wrote:
> >> On Sun, 16 Jan 2011 22:05:54 -0800 Nicholas A. Bellinger wrote:
> >>
> >>> On Sun, 2011-01-16 at 18:22 -0600, James Bottomley wrote:
> > 
> > <SNIP>
> > 
> >>>> This is what I don't understand.
> >>>>
> >>>> Actually I think the whole premise of the patch (to get back to the
> >>>> original topic) is wrong.
> >>>>
> >>>> TARGET_CORE depends on SCSI; SCSI has to have sysfs to survive ... we
> >>>> just don't work without it yet we neither select nor depend on it.
> >>>> SYSFS is only deselectable for embedded anyway, so I think the
> >>>> configuration which generated this whole argument was likely a bogus one
> >>>> and consequently, none of the patches are needed (or if they are,
> >>>> they're the tip of the iceberg).
> >>>>
> >>>
> >>> This sounds fine for TARGET_CORE, but would still leave GFS2_FS with an
> >>> unmet direct dependency according to the original warning above.
> >>> Unfortuately I do not recall which exactly linux-next build
> >>> configuration was causing this warning to occur from the original post:
> >>>
> >>> http://marc.info/?l=linux-next&m=129355383112997&w=2
> >>>
> >>> Any more thoughts here Randy..?
> >>
> >>
> >> I've looked at GFS2 a bit now and I think that the warning is bogus:
> >>
> >> kconfig complains with:
> >> warning: (TARGET_CORE && GFS2_FS) selects CONFIGFS_FS which has unmet direct dependencies (SYSFS)
> >>
> >> but the "select" is conditional:
> >> config GFS2_FS
> >> 	tristate "GFS2 file system support"
> >> 	depends on (64BIT || LBDAF)
> >> 	select DLM if GFS2_FS_LOCKING_DLM
> >> 	select CONFIGFS_FS if GFS2_FS_LOCKING_DLM
> >> 	select SYSFS if GFS2_FS_LOCKING_DLM
> >>
> >> and the same condition selects both SYSFS and CONFIGFS_FS.  Furthermore, the
> >> conditional is not true, so neither of them is being selected/enabled.
> >> Looks like a minor kconfig buglet to me.
> >>
> > 
> > Ok, so Linus has pulled the CONFIGFS_FS -> select SYSFS series and it
> > looks like this 'select SYSFS ...' bit for GFS2_FS can safely be dropped
> > now..
> > 
> > Care to carry this one via your kbuild tree..?
> 
> 
> Who are you asking?  (I don't have a kbuild tree.)
> 

Err sorry, I thought you where feeding these types of kbuild/kconfig
changes into mainline via your own tree.  In that case, here is the
patch committed into the LIO upstream tree and
scsi-post-merge-2.6.git/for-linus branch.

Thanks!

>From 5ab4b07c2b516e23cafdc24b06d5cbfd44141ca9 Mon Sep 17 00:00:00 2001
From: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx>
Date: Tue, 18 Jan 2011 00:40:31 +0000
Subject: [PATCH] gfs2: Remove 'select SYSFS ...' from Kconfig

With CONFIGFS_FS now doing 'select SYSFS' by default, the extra
'select SYSFS if GFS2_FS_LOCKING_DLM' for GFS2_FS is now unnecessary.

Reported-by: Randy Dunlap <randy.dunlap@xxxxxxxxxx>
Signed-off-by: Nicholas A. Bellinger <nab@xxxxxxxxxxxxxxx>
---
 fs/gfs2/Kconfig |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/fs/gfs2/Kconfig b/fs/gfs2/Kconfig
index c465ae0..ff0a8eb 100644
--- a/fs/gfs2/Kconfig
+++ b/fs/gfs2/Kconfig
@@ -3,7 +3,6 @@ config GFS2_FS
        depends on (64BIT || LBDAF)
        select DLM if GFS2_FS_LOCKING_DLM
        select CONFIGFS_FS if GFS2_FS_LOCKING_DLM
-       select SYSFS if GFS2_FS_LOCKING_DLM
        select IP_SCTP if DLM_SCTP
        select FS_POSIX_ACL
        select CRC32
-- 
1.7.3.5



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