linux-kernel - [PATCH v3] ore: FIX breakage when MISC

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Date:	Tue, 29 Nov 2011 15:35:53 -0800
From:	Boaz Harrosh <bharrosh@...asas.com>
To:	Randy Dunlap <rdunlap@...otime.net>,
	Trond Myklebust <Trond.Myklebust@...app.com>
CC:	Michal Marek <mmarek@...e.cz>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	NFS list <linux-nfs@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Benny Halevy <bhalevy@...ian.com>,
	<linux-next@...r.kernel.org>, open-osd <osd-dev@...n-osd.org>
Subject: [PATCH v3] ore: FIX breakage when MISC_FILESYSTEMS is not set


As Reported by Randy Dunlap

When MISC_FILESYSTEMS is not enabled:

fs/built-in.o: In function `objio_alloc_io_state':
objio_osd.c:(.text+0xcb525): undefined reference to `ore_get_rw_state'
fs/built-in.o: In function `_write_done':
objio_osd.c:(.text+0xcb58d): undefined reference to `ore_check_io'
fs/built-in.o: In function `_read_done':
...

When MISC_FILESYSTEMS, which is more of a GUI thing then anything else,
is not selected. exofs/Kconfig is never examined during Kconfig,
and it can not do it's magic stuff to automatically select everything
needed.

We must split exofs/Kconfig in two. The ore one is always included.
And the exofs one is left in it's old place in the menu.

Signed-off-by: Boaz Harrosh <bharrosh@...asas.com>
---
 fs/Kconfig           |    2 ++
 fs/exofs/Kconfig     |   11 -----------
 fs/exofs/ore.Kconfig |   12 ++++++++++++
 3 files changed, 14 insertions(+), 11 deletions(-)
 create mode 100644 fs/exofs/ore.Kconfig

diff --git a/fs/Kconfig b/fs/Kconfig
index 5f4c45d..fd7bfef 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -218,6 +218,8 @@ source "fs/exofs/Kconfig"
 
 endif # MISC_FILESYSTEMS
 
+source "fs/exofs/ore.Kconfig"
+
 menuconfig NETWORK_FILESYSTEMS
 	bool "Network File Systems"
 	default y
diff --git a/fs/exofs/Kconfig b/fs/exofs/Kconfig
index da42f32..86194b2 100644
--- a/fs/exofs/Kconfig
+++ b/fs/exofs/Kconfig
@@ -1,14 +1,3 @@
-# Note ORE needs to "select ASYNC_XOR". So Not to force multiple selects
-# for every ORE user we do it like this. Any user should add itself here
-# at the "depends on EXOFS_FS || ..." with an ||. The dependencies are
-# selected here, and we default to "ON". So in effect it is like been
-# selected by any of the users.
-config ORE
-	tristate
-	depends on EXOFS_FS || PNFS_OBJLAYOUT
-	select ASYNC_XOR
-	default SCSI_OSD_ULD
-
 config EXOFS_FS
 	tristate "exofs: OSD based file system support"
 	depends on SCSI_OSD_ULD
diff --git a/fs/exofs/ore.Kconfig b/fs/exofs/ore.Kconfig
new file mode 100644
index 0000000..1ca7fb7
--- /dev/null
+++ b/fs/exofs/ore.Kconfig
@@ -0,0 +1,12 @@
+# ORE - Objects Raid Engine (libore.ko)
+#
+# Note ORE needs to "select ASYNC_XOR". So Not to force multiple selects
+# for every ORE user we do it like this. Any user should add itself here
+# at the "depends on EXOFS_FS || ..." with an ||. The dependencies are
+# selected here, and we default to "ON". So in effect it is like been
+# selected by any of the users.
+config ORE
+	tristate
+	depends on EXOFS_FS || PNFS_OBJLAYOUT
+	select ASYNC_XOR
+	default SCSI_OSD_ULD
-- 
1.7.6.4


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