SUNRPC/NFS: Add Kbuild dependencies for NFS_DEBUG/RPC_DEBUG
This allows us to turn on/off the dprintk() debugging interfaces for
those distributions that don't ship the 'rpcdebug' utility.
It also allows us to add Kbuild dependencies. Specifically, we already
know that dprintk() in general relies on CONFIG_SYSCTL. Now it turns out
that the NFS dprintks depend on CONFIG_CRC32 after we added support
for the filehandle hash.
Reported-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/Kconfig b/fs/nfs/Kconfig
index 7bce64c..2a0e6c5 100644
--- a/fs/nfs/Kconfig
+++ b/fs/nfs/Kconfig
@@ -144,3 +144,9 @@
depends on NFS_V4 && !NFS_USE_LEGACY_DNS
select DNS_RESOLVER
default y
+
+config NFS_DEBUG
+ bool
+ depends on NFS_FS && SUNRPC_DEBUG
+ select CRC32
+ default y
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 1a19f8d..7bb4d13 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -1047,7 +1047,7 @@
return fh;
}
-#ifdef RPC_DEBUG
+#ifdef NFS_DEBUG
/*
* _nfs_display_fhandle_hash - calculate the crc32 hash for the filehandle
* in the same way that wireshark does
diff --git a/fs/nfs/mount_clnt.c b/fs/nfs/mount_clnt.c
index b37ca34..8e65c7f 100644
--- a/fs/nfs/mount_clnt.c
+++ b/fs/nfs/mount_clnt.c
@@ -16,7 +16,7 @@
#include <linux/nfs_fs.h>
#include "internal.h"
-#ifdef RPC_DEBUG
+#ifdef NFS_DEBUG
# define NFSDBG_FACILITY NFSDBG_MOUNT
#endif
diff --git a/fs/nfs/nfsroot.c b/fs/nfs/nfsroot.c
index c4744e1..cd3c910 100644
--- a/fs/nfs/nfsroot.c
+++ b/fs/nfs/nfsroot.c
@@ -104,7 +104,7 @@
/* server:export path string passed to super.c */
static char nfs_root_device[NFS_MAXPATHLEN + 1] __initdata = "";
-#ifdef RPC_DEBUG
+#ifdef NFS_DEBUG
/*
* When the "nfsrootdebug" kernel command line option is specified,
* enable debugging messages for NFSROOT.