X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=net%2Fsctp%2Fobjcnt.c;h=cfeb07ea1b046a814592207e1da3e6b3e387f498;hb=a9f83bf3858672164ed531cbc60ee9082d21d53f;hp=8ff588f0d76af8343820d6020118c7d48570eae4;hpb=1703ecc7e88ea2d583fc9ebe7de8edb004eff863;p=linux-2.6-omap-h63xx.git

diff --git a/net/sctp/objcnt.c b/net/sctp/objcnt.c
index 8ff588f0d76..cfeb07ea1b0 100644
--- a/net/sctp/objcnt.c
+++ b/net/sctp/objcnt.c
@@ -1,39 +1,39 @@
-/* SCTP kernel reference Implementation
+/* SCTP kernel implementation
  * (C) Copyright IBM Corp. 2001, 2004
- * 
- * This file is part of the SCTP kernel reference Implementation
- * 
+ *
+ * This file is part of the SCTP kernel implementation
+ *
  * Support for memory object debugging.  This allows one to monitor the
- * object allocations/deallocations for types instrumented for this 
- * via the proc fs. 
- * 
- * The SCTP reference implementation is free software; 
- * you can redistribute it and/or modify it under the terms of 
+ * object allocations/deallocations for types instrumented for this
+ * via the proc fs.
+ *
+ * This SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
  * the GNU General Public License as published by
  * the Free Software Foundation; either version 2, or (at your option)
  * any later version.
- * 
- * The SCTP reference implementation is distributed in the hope that it 
+ *
+ * This SCTP implementation is distributed in the hope that it
  * will be useful, but WITHOUT ANY WARRANTY; without even the implied
  *                 ************************
  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  * See the GNU General Public License for more details.
- * 
+ *
  * You should have received a copy of the GNU General Public License
  * along with GNU CC; see the file COPYING.  If not, write to
  * the Free Software Foundation, 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.  
- * 
+ * Boston, MA 02111-1307, USA.
+ *
  * Please send any bug reports or fixes you make to the
  * email address(es):
  *    lksctp developers <lksctp-developers@lists.sourceforge.net>
- * 
+ *
  * Or submit a bug report through the following website:
  *    http://www.sf.net/projects/lksctp
  *
- * Written or modified by: 
+ * Written or modified by:
  *    Jon Grimm             <jgrimm@us.ibm.com>
- * 
+ *
  * Any bugs reported given to us we will try to fix... any fixes shared will
  * be incorporated into the next SCTP release.
  */
@@ -58,6 +58,7 @@ SCTP_DBG_OBJCNT(chunk);
 SCTP_DBG_OBJCNT(addr);
 SCTP_DBG_OBJCNT(ssnmap);
 SCTP_DBG_OBJCNT(datamsg);
+SCTP_DBG_OBJCNT(keys);
 
 /* An array to make it easy to pretty print the debug information
  * to the proc fs.
@@ -73,65 +74,68 @@ static sctp_dbg_objcnt_entry_t sctp_dbg_objcnt[] = {
 	SCTP_DBG_OBJCNT_ENTRY(addr),
 	SCTP_DBG_OBJCNT_ENTRY(ssnmap),
 	SCTP_DBG_OBJCNT_ENTRY(datamsg),
+	SCTP_DBG_OBJCNT_ENTRY(keys),
 };
 
 /* Callback from procfs to read out objcount information.
  * Walk through the entries in the sctp_dbg_objcnt array, dumping
  * the raw object counts for each monitored type.
- *
- * This code was modified from similar code in route.c
  */
-static int sctp_dbg_objcnt_read(char *buffer, char **start, off_t offset,
-				int length, int *eof, void *data)
+static int sctp_objcnt_seq_show(struct seq_file *seq, void *v)
 {
-	int len = 0;
-	off_t pos = 0;
-	int entries;
 	int i;
 	char temp[128];
 
-	/* How many entries? */
-	entries = ARRAY_SIZE(sctp_dbg_objcnt);
-
-	/* Walk the entries and print out the debug information
-	 * for proc fs.
-	 */
-	for (i = 0; i < entries; i++) {
-		pos += 128;
-
-		/* Skip ahead. */
-		if (pos <= offset) {
-			len = 0;
-			continue;
-		}
-		/* Print out each entry. */
-		sprintf(temp, "%s: %d",
-			sctp_dbg_objcnt[i].label,
-			atomic_read(sctp_dbg_objcnt[i].counter));
-
-		sprintf(buffer + len, "%-127s\n", temp);
-		len += 128;
-		if (pos >= offset+length)
-			goto done;
-	}
-
-done:
-	*start = buffer + len - (pos - offset);
-	len = pos - offset;
-	if (len > length)
-		len = length;
-
-  	return len;
+	i = (int)*(loff_t *)v;
+	sprintf(temp, "%s: %d", sctp_dbg_objcnt[i].label,
+				atomic_read(sctp_dbg_objcnt[i].counter));
+	seq_printf(seq, "%-127s\n", temp);
+	return 0;
+}
+
+static void *sctp_objcnt_seq_start(struct seq_file *seq, loff_t *pos)
+{
+	return (*pos >= ARRAY_SIZE(sctp_dbg_objcnt)) ? NULL : (void *)pos;
+}
+
+static void sctp_objcnt_seq_stop(struct seq_file *seq, void *v)
+{
 }
 
+static void * sctp_objcnt_seq_next(struct seq_file *seq, void *v, loff_t *pos)
+{
+	++*pos;
+	return (*pos >= ARRAY_SIZE(sctp_dbg_objcnt)) ? NULL : (void *)pos;
+}
+
+static const struct seq_operations sctp_objcnt_seq_ops = {
+	.start = sctp_objcnt_seq_start,
+	.next  = sctp_objcnt_seq_next,
+	.stop  = sctp_objcnt_seq_stop,
+	.show  = sctp_objcnt_seq_show,
+};
+
+static int sctp_objcnt_seq_open(struct inode *inode, struct file *file)
+{
+	return seq_open(file, &sctp_objcnt_seq_ops);
+}
+
+static const struct file_operations sctp_objcnt_ops = {
+	.open	 = sctp_objcnt_seq_open,
+	.read	 = seq_read,
+	.llseek	 = seq_lseek,
+	.release = seq_release,
+};
+
 /* Initialize the objcount in the proc filesystem.  */
 void sctp_dbg_objcnt_init(void)
 {
 	struct proc_dir_entry *ent;
-	ent = create_proc_read_entry("sctp_dbg_objcnt", 0, proc_net_sctp,
-			       sctp_dbg_objcnt_read, NULL);
+
+	ent = proc_create("sctp_dbg_objcnt", 0,
+			  proc_net_sctp, &sctp_objcnt_ops);
 	if (!ent)
-		printk(KERN_WARNING 
+		printk(KERN_WARNING
 			"sctp_dbg_objcnt: Unable to create /proc entry.\n");
 }