[patch 10/15] kmsg: convert hypfs printk messages to kmsg api.

From: Martin Schwidefsky
Date: Mon Jul 28 2008 - 13:55:48 EST


From: Michael Holzheu <holzheu@xxxxxxxxxx>

Signed-off-by: Michael Holzheu <holzheu@xxxxxxxxxx>
Signed-off-by: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
---

Documentation/s390/kmsg/hypfs | 60 ++++++++++++++++++++++++++++++++++++++++++
arch/s390/hypfs/hypfs_diag.c | 9 ++++--
arch/s390/hypfs/inode.c | 13 ++++-----
3 files changed, 73 insertions(+), 9 deletions(-)

Index: quilt-2.6/arch/s390/hypfs/hypfs_diag.c
===================================================================
--- quilt-2.6.orig/arch/s390/hypfs/hypfs_diag.c
+++ quilt-2.6/arch/s390/hypfs/hypfs_diag.c
@@ -3,7 +3,7 @@
* Hypervisor filesystem for Linux on s390. Diag 204 and 224
* implementation.
*
- * Copyright (C) IBM Corp. 2006
+ * Copyright IBM Corp. 2006, 2008
* Author(s): Michael Holzheu <holzheu@xxxxxxxxxx>
*/

@@ -12,8 +12,10 @@
#include <linux/string.h>
#include <linux/vmalloc.h>
#include <asm/ebcdic.h>
+#include <asm/kmsg.h>
#include "hypfs.h"

+#define KMSG_COMPONENT "hypfs"
#define LPAR_NAME_LEN 8 /* lpar name len in diag 204 data */
#define CPU_NAME_LEN 16 /* type name len of cpus in diag224 name table */
#define TMP_SIZE 64 /* size of temporary buffers */
@@ -527,13 +529,14 @@ __init int hypfs_diag_init(void)
int rc;

if (diag204_probe()) {
- printk(KERN_ERR "hypfs: diag 204 not working.");
+ kmsg_err(1, "The hardware system does not support hypfs");
return -ENODATA;
}
rc = diag224_get_name_table();
if (rc) {
diag204_free_buffer();
- printk(KERN_ERR "hypfs: could not get name table.\n");
+ kmsg_err(2, "The hardware system does not provide all "
+ "functions required by hypfs\n");
}
return rc;
}
Index: quilt-2.6/arch/s390/hypfs/inode.c
===================================================================
--- quilt-2.6.orig/arch/s390/hypfs/inode.c
+++ quilt-2.6/arch/s390/hypfs/inode.c
@@ -2,7 +2,7 @@
* arch/s390/hypfs/inode.c
* Hypervisor filesystem for Linux on s390.
*
- * Copyright (C) IBM Corp. 2006
+ * Copyright IBM Corp. 2006, 2008
* Author(s): Michael Holzheu <holzheu@xxxxxxxxxx>
*/

@@ -20,8 +20,10 @@
#include <linux/seq_file.h>
#include <linux/mount.h>
#include <asm/ebcdic.h>
+#include <asm/kmsg.h>
#include "hypfs.h"

+#define KMSG_COMPONENT "hypfs"
#define HYPFS_MAGIC 0x687970 /* ASCII 'hyp' */
#define TMP_SIZE 64 /* size of temporary buffers */

@@ -200,7 +202,7 @@ static ssize_t hypfs_aio_write(struct ki
else
rc = hypfs_diag_create_files(sb, sb->s_root);
if (rc) {
- printk(KERN_ERR "hypfs: Update failed\n");
+ kmsg_err(3, "Updating the hypfs tree failed\n");
hypfs_delete_tree(sb->s_root);
goto out;
}
@@ -252,8 +254,7 @@ static int hypfs_parse_options(char *opt
break;
case opt_err:
default:
- printk(KERN_ERR "hypfs: Unrecognized mount option "
- "\"%s\" or missing value\n", str);
+ kmsg_err(4, "%s is not a valid mount option", str);
return -EINVAL;
}
}
@@ -317,7 +318,7 @@ static int hypfs_fill_super(struct super
}
hypfs_update_update(sb);
sb->s_root = root_dentry;
- printk(KERN_INFO "hypfs: Hypervisor filesystem mounted\n");
+ kmsg_info(0, "Hypervisor filesystem mounted\n");
return 0;

err_tree:
@@ -513,7 +514,7 @@ fail_sysfs:
if (!MACHINE_IS_VM)
hypfs_diag_exit();
fail_diag:
- printk(KERN_ERR "hypfs: Initialization failed with rc = %i.\n", rc);
+ kmsg_err(5, "Initialization of hypfs failed with rc=%i\n", rc);
return rc;
}

Index: quilt-2.6/Documentation/s390/kmsg/hypfs
===================================================================
--- /dev/null
+++ quilt-2.6/Documentation/s390/kmsg/hypfs
@@ -0,0 +1,60 @@
+/*?
+ * Tag: hypfs.1
+ * Text: "The hardware system does not support hypfs"
+ * Severity: Error
+ * Description:
+ * hypfs requires DIAGNOSE Code X'204' but this diagnose code is not available
+ * on your hardware. You need more recent hardware to use hypfs.
+ * User action:
+ * None.
+ */
+
+/*?
+ * Tag: hypfs.2
+ * Text: "The hardware system does not provide all functions required by hypfs"
+ * Severity: Error
+ * Description:
+ * hypfs requires DIAGNOSE Code X'224' but this diagnode code is not available
+ * on your hardware. You need more recent hardware to use hypfs.
+ * User action:
+ * None.
+ */
+
+/*?
+ * Tag: hypfs.3
+ * Text: "Updating the hypfs tree failed"
+ * Severity: Error
+ * Description:
+ * There was not enough memory available to update the hypfs tree.
+ * User action:
+ * Free some memory and try again to update the hypfs tree. Consider assigning
+ * more memory to your LPAR or z/VM guest virtual machine.
+ */
+
+/*?
+ * Tag: hypfs.4
+ * Text: "%s is not a valid mount option"
+ * Severity: Error
+ * Parameter:
+ * @1: mount option
+ * Description:
+ * hypfs has detected mount options that are not valid.
+ * User action:
+ * See "Device Drivers Features and Commands" for information about valid
+ * mount options for hypfs.
+ */
+
+/*?
+ * Tag: hypfs.5
+ * Text: "Initialization of hypfs failed with rc=%i"
+ * Severity: Error
+ * Parameter:
+ * @1: error code
+ * Description:
+ * Initialization of hypfs failed because of resource or hardware constraints.
+ * Possible reasons for this problem are insufficient free memory or missing
+ * hardware interfaces.
+ * User action:
+ * See errno.h for information about the error codes.
+ */
+

--
blue skies,
Martin.

"Reality continues to ruin my life." - Calvin.

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