- fix #570136 - RHEL6: libblkid: support alignment_offset=-1

This commit is contained in:
kzak 2010-03-03 16:01:23 +00:00
commit 4f62fccdf2
2 changed files with 137 additions and 1 deletions

View file

@ -0,0 +1,129 @@
diff -up util-linux-ng-2.17.1/shlibs/blkid/src/topology/ioctl.c.kzak util-linux-ng-2.17.1/shlibs/blkid/src/topology/ioctl.c
--- util-linux-ng-2.17.1/shlibs/blkid/src/topology/ioctl.c.kzak 2010-03-03 14:40:53.000000000 +0100
+++ util-linux-ng-2.17.1/shlibs/blkid/src/topology/ioctl.c 2010-03-03 15:08:36.000000000 +0100
@@ -44,11 +44,18 @@ static int probe_ioctl_tp(blkid_probe pr
for (i = 0; i < ARRAY_SIZE(topology_vals); i++) {
struct topology_val *val = &topology_vals[i];
- unsigned int data;
+ unsigned int data = 0;
int rc;
- if (ioctl(pr->fd, val->ioc, &data) == -1)
+ if (val->ioc == BLKALIGNOFF) {
+ int sdata = 0;
+ if (ioctl(pr->fd, val->ioc, &sdata) == -1)
+ goto nothing;
+ data = sdata < 0 ? 0 : sdata;
+
+ } else if (ioctl(pr->fd, val->ioc, &data) == -1)
goto nothing;
+
rc = val->set_result(pr, (unsigned long) data);
if (rc)
goto err;
diff -up util-linux-ng-2.17.1/shlibs/blkid/src/topology/sysfs.c.kzak util-linux-ng-2.17.1/shlibs/blkid/src/topology/sysfs.c
--- util-linux-ng-2.17.1/shlibs/blkid/src/topology/sysfs.c.kzak 2010-03-03 14:39:56.000000000 +0100
+++ util-linux-ng-2.17.1/shlibs/blkid/src/topology/sysfs.c 2010-03-03 15:14:32.000000000 +0100
@@ -12,6 +12,7 @@
#include <string.h>
#include <stdlib.h>
#include <stdint.h>
+#include <inttypes.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
@@ -19,15 +20,14 @@
#include "topology.h"
-static unsigned long dev_topology_attribute(const char *attribute,
- dev_t dev, dev_t *primary)
+static int dev_topology_attribute(const char *attribute,
+ dev_t dev, dev_t *primary, int64_t *result)
{
const char *sysfs_fmt_str = "/sys/dev/block/%d:%d/%s";
char path[PATH_MAX];
int len;
FILE *fp = NULL;
struct stat info;
- unsigned long result = 0UL;
len = snprintf(path, sizeof(path), sysfs_fmt_str,
major(dev), minor(dev), attribute);
@@ -58,7 +58,7 @@ static unsigned long dev_topology_attrib
goto err;
}
- if (fscanf(fp, "%lu", &result) != 1) {
+ if (fscanf(fp, "%" SCNd64, result) != 1) {
DBG(DEBUG_LOWPROBE, printf(
"topology: %s: unexpected file format\n", path));
goto err;
@@ -67,15 +67,15 @@ static unsigned long dev_topology_attrib
fclose(fp);
DBG(DEBUG_LOWPROBE,
- printf("topology: attribute %s = %lu\n", attribute, result));
+ printf("topology: attribute %s = %"PRId64"\n", attribute, *result));
- return result;
+ return 0;
err:
if (fp)
fclose(fp);
DBG(DEBUG_LOWPROBE,
printf("topology: failed to read %s attribute\n", attribute));
- return 0;
+ return -1;
}
/*
@@ -107,17 +107,16 @@ static int probe_sysfs_tp(blkid_probe pr
for (i = 0; i < ARRAY_SIZE(topology_vals); i++) {
struct topology_val *val = &topology_vals[i];
- unsigned long data;
+ int64_t data = 0;
- /*
- * Don't bother reporting any of the topology information
- * if it's zero.
- */
- data = dev_topology_attribute(val->sysfs_name, dev, &pri_dev);
- if (!data)
+ if (dev_topology_attribute(val->sysfs_name, dev,
+ &pri_dev, &data))
continue;
- rc = val->set_result(pr, data);
+ if (!strcmp(val->sysfs_name, "alignment_offset") && data < 0)
+ data = 0;
+
+ rc = val->set_result(pr, (unsigned long) data);
if (rc)
goto err;
count++;
diff -up util-linux-ng-2.17.1/shlibs/blkid/src/topology/topology.c.kzak util-linux-ng-2.17.1/shlibs/blkid/src/topology/topology.c
--- util-linux-ng-2.17.1/shlibs/blkid/src/topology/topology.c.kzak 2010-03-03 15:15:42.000000000 +0100
+++ util-linux-ng-2.17.1/shlibs/blkid/src/topology/topology.c 2010-03-03 15:06:43.000000000 +0100
@@ -43,6 +43,10 @@
* @ALIGNMENT_OFFSET: indicates how many bytes the beginning o the device is
* offset from the disk's natural alignment.
*
+ * The NAME=value tags are not defined when the corresponding topology value
+ * is zero. The MINIMUM_IO_SIZE should be always defined if kernel provides
+ * topology information.
+ *
* Binary interface:
*
* blkid_probe_get_tolology()
@@ -214,6 +218,8 @@ static int topology_set_value(blkid_prob
if (!chn)
return -1;
+ if (!data)
+ return 0; /* ignore zeros */
if (chn->binary) {
unsigned long *v =

View file

@ -2,7 +2,7 @@
Summary: A collection of basic system utilities
Name: util-linux-ng
Version: 2.17.1
Release: 1%{?dist}
Release: 2%{?dist}
License: GPLv2 and GPLv2+ and GPLv3+ and LGPLv2+ and BSD with advertising and Public Domain
Group: System Environment/Base
URL: ftp://ftp.kernel.org/pub/linux/utils/util-linux-ng
@ -103,6 +103,9 @@ Patch5: util-linux-ng-2.16-blkid-cachefile.patch
Patch7: util-linux-ng-2.13-login-lastlog.patch
# 231192 - ipcs is not printing correct values on pLinux
Patch8: util-linux-ng-2.15-ipcs-32bit.patch
# 570136 - RHEL6: libblkid: support alignment_offset=-1
Patch9: util-linux-ng-2.17-blkid-alignment-offset.patch
%description
The util-linux-ng package contains a large variety of low-level system
@ -196,6 +199,7 @@ cp %{SOURCE8} %{SOURCE9} .
%patch5 -p1
%patch7 -p1
%patch8 -p1
%patch9 -p1
%build
unset LINGUAS || :
@ -715,6 +719,9 @@ fi
%changelog
* Wed Mar 3 2010 Karel Zak <kzak@redhat.com> 2.17.1-2
- fix #570136 - RHEL6: libblkid: support alignment_offset=-1
* Mon Feb 22 2010 Karel Zak <kzak@redhat.com> 2.17.1-1
- upgrade to the final 2.17.1
ftp://ftp.kernel.org/pub/linux/utils/util-linux-ng/v2.17/v2.17.1-ReleaseNotes