- fix swapon on swsuspend
This commit is contained in:
kzak
parent
3aff07c3c7
commit
2ac050e256
161
util-linux-2.13-swapon-suspend.patch
Normal file
161
util-linux-2.13-swapon-suspend.patch
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@ -0,0 +1,161 @@
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--- util-linux-2.13-pre2/mount/swapon.c.swsuspend 2005-09-02 14:32:53.000000000 +0200
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+++ util-linux-2.13-pre2/mount/swapon.c 2005-09-02 16:29:43.000000000 +0200
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@@ -11,6 +11,9 @@
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#include <mntent.h>
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#include <errno.h>
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#include <sys/stat.h>
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+#include <sys/types.h>
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+#include <sys/wait.h>
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+#include <fcntl.h>
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#include "xmalloc.h"
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#include "swap_constants.h"
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#include "swapargs.h"
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@@ -22,6 +25,7 @@
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#define _PATH_FSTAB "/etc/fstab"
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#define PROC_SWAPS "/proc/swaps"
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+#define PATH_MKSWAP "/sbin/mkswap"
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#define SWAPON_NEEDS_TWO_ARGS
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@@ -173,6 +177,84 @@
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return 0 ;
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}
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+/*
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+ * It's better do swsuspend detection by follow routine than
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+ * include huge mount_guess_fstype.o to swapon. We need only
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+ * swsuspend and no the others filesystems.
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+ */
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+#ifdef HAVE_LIBBLKID
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+static int
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+swap_is_swsuspend(const char *device) {
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+ const char *type = blkid_get_tag_value(blkid, "TYPE", device);
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+
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+ if (type && strcmp(type, "swsuspend")==0)
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+ return 0;
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+ return 1;
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+}
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+#else
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+static int
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+swap_is_swsuspend(const char *device) {
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+ int fd, re = 1, n = getpagesize() - 10;
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+ char buf[10];
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+
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+ fd = open(device, O_RDONLY);
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+ if (fd < 0)
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+ return -1;
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+
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+ if (lseek(fd, n, SEEK_SET) >= 0 &&
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+ read(fd, buf, sizeof buf) == sizeof buf &&
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+ (memcmp("S1SUSPEND", buf, 9)==0 ||
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+ memcmp("S2SUSPEND", buf, 9)==0))
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+ re = 0;
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+
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+ close(fd);
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+ return re;
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+}
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+#endif
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+
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+/* calls mkswap */
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+static int
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+swap_reinitialize(const char *device) {
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+ const char *label = mount_get_volume_label_by_spec(device);
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+ pid_t pid;
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+
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+ switch((pid=fork())) {
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+ case -1: /* fork error */
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+ fprintf(stderr, _("%s: cannot fork: %s\n"),
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+ progname, strerror(errno));
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+ return -1;
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+
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+ case 0: /* child */
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+ if (label && *label)
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+ execl(PATH_MKSWAP, PATH_MKSWAP, "-L", label, device, NULL);
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+ else
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+ execl(PATH_MKSWAP, PATH_MKSWAP, device, NULL);
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+ exit(1); /* error */
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+
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+ default: /* parent */
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+ {
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+ int status;
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+ int ret;
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+
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+ do {
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+ if ((ret = waitpid(pid, &status, 0)) < 0
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+ && errno == EINTR)
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+ continue;
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+ else if (ret < 0) {
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+ fprintf(stderr, _("%s: waitpid: %s\n"),
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+ progname, strerror(errno));
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+ return -1;
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+ }
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+ } while (0);
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+
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+ /* mkswap returns: 0=suss, 1=error */
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+ if (WIFEXITED(status) && WEXITSTATUS(status)==0)
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+ return 0; /* ok */
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+ }
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+ }
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+ return -1; /* error */
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+}
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+
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static int
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do_swapon(const char *orig_special, int prio) {
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int status;
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@@ -196,6 +278,18 @@
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return -1;
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}
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+ /* We have to reinitialize swap with old (=useless) software suspend
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+ * data. The problem is that if we don't do it, then we get data
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+ * corruption the next time with suspended on.
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+ */
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+ if (swap_is_swsuspend(special)==0) {
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+ fprintf(stdout, _("%s: %s: software suspend data detected. "
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+ "Reinitializing the swap.\n"),
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+ progname, special);
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+ if (swap_reinitialize(special) < 0)
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+ return -1;
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+ }
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+
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/* people generally dislike this warning - now it is printed
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only when `verbose' is set */
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if (verbose) {
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--- util-linux-2.13-pre2/mount/get_label_uuid.c.swsuspend 2005-09-02 14:32:53.000000000 +0200
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+++ util-linux-2.13-pre2/mount/get_label_uuid.c 2005-09-02 16:21:20.000000000 +0200
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@@ -129,7 +129,24 @@
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}
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return 0;
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}
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-
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+
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+static int
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+is_swsuspend_partition(int fd, char **label, char *uuid) {
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+ int n = getpagesize();
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+ char *buf = xmalloc(n);
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+ struct swap_header_v1_2 *p = (struct swap_header_v1_2 *) buf;
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+
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+ if (lseek(fd, 0, SEEK_SET) == 0
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+ && read(fd, buf, n) == n
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+ && (strncmp(buf+n-10, "S1SUSPEND", 9)==0 ||
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+ strncmp(buf+n-10, "S2SUSPEND", 9)==0)
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+ && p->version == 1) {
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+ store_uuid(uuid, p->uuid);
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+ store_label(label, p->volume_name, 16);
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+ return 1;
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+ }
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+ return 0;
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+}
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/*
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* Get both label and uuid.
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@@ -162,6 +179,8 @@
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if (is_v1_swap_partition(fd, label, uuid))
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goto done;
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+ if (is_swsuspend_partition(fd, label, uuid))
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+ goto done;
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if (lseek(fd, 1024, SEEK_SET) == 1024
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&& read(fd, (char *) &e2sb, sizeof(e2sb)) == sizeof(e2sb)
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@ -28,7 +28,7 @@ BuildRoot: %{_tmppath}/%{name}-root
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Summary: A collection of basic system utilities.
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Summary: A collection of basic system utilities.
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Name: util-linux
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Name: util-linux
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Version: 2.13
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Version: 2.13
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Release: 0.2.pre2
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Release: 0.3.pre2
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License: distributable
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License: distributable
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Group: System Environment/Base
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Group: System Environment/Base
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@ -157,6 +157,8 @@ Patch208: util-linux-2.13-usrsbin.patch
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#159410 - mkswap(8) claims max swap area size is 2 GB
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#159410 - mkswap(8) claims max swap area size is 2 GB
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Patch209: util-linux-2.12p-mkswap-man.patch
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Patch209: util-linux-2.12p-mkswap-man.patch
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#165863 - swsusp swaps should be reinitialized
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Patch210: util-linux-2.13-swapon-suspend.patch
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# When adding patches, please make sure that it is easy to find out what bug # the
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# When adding patches, please make sure that it is easy to find out what bug # the
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# patch fixes.
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# patch fixes.
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@ -225,6 +227,7 @@ cp %{SOURCE8} %{SOURCE9} .
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%patch207 -p1
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%patch207 -p1
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%patch208 -p1
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%patch208 -p1
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%patch209 -p1
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%patch209 -p1
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%patch210 -p1 -b .swsuspend
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%build
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%build
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unset LINGUAS || :
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unset LINGUAS || :
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@ -646,9 +649,10 @@ fi
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/sbin/losetup
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/sbin/losetup
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%changelog
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%changelog
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* Tue Aug 30 2005 Karel Zak <kzak@redhat.com> 2.13-0.3.pre2
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* Fri Sep 2 2005 Karel Zak <kzak@redhat.com> 2.13-0.3.pre2
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- fix #166923 - hwclock will not run on a non audit-enabled kernel
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- fix #166923 - hwclock will not run on a non audit-enabled kernel
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- fix #159410 - mkswap(8) claims max swap area size is 2 GB
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- fix #159410 - mkswap(8) claims max swap area size is 2 GB
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- fix #165863 - swsusp swaps should be reinitialized
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* Tue Aug 16 2005 Karel Zak <kzak@redhat.com> 2.13-0.2.pre2
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* Tue Aug 16 2005 Karel Zak <kzak@redhat.com> 2.13-0.2.pre2
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- /usr/share/misc/getopt/* -move-> /usr/share/doc/util-linux-2.13/getopt-*
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- /usr/share/misc/getopt/* -move-> /usr/share/doc/util-linux-2.13/getopt-*
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