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Subject: [RHEL7.2 PATCH resend v3 2/5] Add tools for reading and writing from
splitblock table.
To: kexec-kdump-list@redhat.com
References: <55929D94.4020500@redhat.com> <5594C62C.3030407@redhat.com>
Cc: Minfei Huang <mhuang@redhat.com>, bhe@redhat.com, yishimat@redhat.com
From: Yasuaki Ishimatsu <yishimat@redhat.com>
Message-ID: <5594C73A.6080509@redhat.com>
Date: Thu, 2 Jul 2015 01:08:10 -0400
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Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1182379
The patch is back ported directory from the following upstream commit:
commit 11dcbfe2ebd1dec37c3a00dc8ee522504c7ed35c
Author: Zhou Wenjian <zhouwj-fnst@cn.fujitsu.com>
Date: Fri Nov 7 09:42:25 2014 +0900
[PATCH v5 2/5] Add tools for reading and writing from splitblock table.
gdded in this patch, is used for writing and reading value
from the char array in struct SplitBlock.
Signed-off-by: Qiao Nuohan <qiaonuohan@cn.fujitsu.com>
Signed-off-by: Zhou Wenjian <zhouwj-fnst@cn.fujitsu.com>
Resolves: rhbz#1182379
Signed-off-by: Yasuaki Ishimatsu <yishimat@redhat.com>
---
makedumpfile-1.5.7/makedumpfile.c | 29 +++++++++++++++++++++++++++++
1 files changed, 29 insertions(+), 0 deletions(-)
diff --git a/makedumpfile-1.5.7/makedumpfile.c b/makedumpfile-1.5.7/makedumpfile.c
index a4c3eee..4d2f077 100644
--- a/makedumpfile-1.5.7/makedumpfile.c
+++ b/makedumpfile-1.5.7/makedumpfile.c
@@ -5716,6 +5716,35 @@ calculate_entry_size(void)
return entry_size;
}
+void
+write_into_splitblock_table(char *entry,
+ unsigned long long value)
+{
+ char temp;
+ int i = 0;
+
+ while (i++ < splitblock->entry_size) {
+ temp = value & 0xff;
+ value = value >> BITPERBYTE;
+ *entry = temp;
+ entry++;
+ }
+}
+
+unsigned long long
+read_from_splitblock_table(char *entry)
+{
+ unsigned long long value = 0;
+ int i;
+
+ for (i = splitblock->entry_size; i > 0; i--) {
+ value = value << BITPERBYTE;
+ value += *(entry + i - 1) & 0xff;
+ }
+
+ return value;
+}
+
mdf_pfn_t
get_num_dumpable(void)
{
--
1.7.1