[PATCH] nfs-utils: rpc.mountd: cache debugging statements

[Steve Dickson <SteveD@redhat.com>]

The following patch adds some debugging statement to rpc.mound
that show what data is being passed up from the kernel during
mounts. I found these to be very useful but non obtrusive
in my recent travels...

This patch is relative to the Fedora nfs-utils git tree:
git://git.infradead.org/~steved/nfs-utils.fedora

but does apply to Neil's git tree.

steved.


commit 6e7d2cd031bd019c71db2c70851bcc5709105c1d
Author: Steve Dickson <steved@dickson.boston.devel.redhat.com>
Date:   Tue Oct 2 09:03:55 2007 -0400

     Added a couple debugging statements to the caching
     code that shows data be sent up from the kernel.
     These statements were very using in debugging some
     recent issues.

     Signed-off-by: Steve Dickson <steved@redhat.com>

diff --git a/utils/mountd/cache.c b/utils/mountd/cache.c
index d068843..3b670ec 100644
--- a/utils/mountd/cache.c
+++ b/utils/mountd/cache.c
@@ -78,6 +78,8 @@ void auth_unix_ip(FILE *f)
  	if (readline(fileno(f), &lbuf, &lbuflen) != 1)
  		return;

+	xlog(D_CALL, "auth_unix_ip: inbuf '%s'", lbuf);
+
  	cp = lbuf;

  	if (qword_get(&cp, class, 20) <= 0 ||
@@ -102,6 +104,7 @@ void auth_unix_ip(FILE *f)
  	if (client)
  		qword_print(f, *client?client:"DEFAULT");
  	qword_eol(f);
+	xlog(D_CALL, "auth_unix_ip: client %p '%s'", client, *client?client: 
"DEFAULT");

  	if (client) free(client);
  	
@@ -273,8 +276,10 @@ void nfsd_fh(FILE *f)
  	if (readline(fileno(f), &lbuf, &lbuflen) != 1)
  		return;

-	cp = lbuf;
+	xlog(D_CALL, "nfsd_fh: inbuf '%s'", lbuf);

+	cp = lbuf;
+	
  	dom = malloc(strlen(cp));
  	if (dom == NULL)
  		return;
@@ -492,6 +497,7 @@ void nfsd_fh(FILE *f)
  	qword_eol(f);
   out:
  	free(dom);
+	xlog(D_CALL, "nfsd_fh: found %p path %s", found, found ? found->e_path 
: NULL);
  	return;		
  }

@@ -563,6 +569,8 @@ void nfsd_export(FILE *f)
  	if (readline(fileno(f), &lbuf, &lbuflen) != 1)
  		return;

+	xlog(D_CALL, "nfsd_export: inbuf '%s'", lbuf);
+
  	cp = lbuf;
  	dom = malloc(strlen(cp));
  	path = malloc(strlen(cp));
@@ -634,6 +642,7 @@ void nfsd_export(FILE *f)
  		dump_to_cache(f, dom, path, NULL);
  	}
   out:
+	xlog(D_CALL, "nfsd_export: found %p path %s", found, path ? path : NULL);
  	if (dom) free(dom);
  	if (path) free(path);
  }

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