2013-06-07 18:03:56 +00:00
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From ac3bee8949b5edab8797d75c5e1b3f176c904a4a Mon Sep 17 00:00:00 2001
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2013-05-02 20:54:52 +00:00
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From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
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Date: Thu, 11 Apr 2013 00:08:27 +0200
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2013-06-07 18:03:56 +00:00
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Subject: [PATCH 277/471] Fix missing PVs if they don't contain
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2013-05-02 20:54:52 +00:00
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"interesting" LV. Closes #38677. Fix few warining messages and leaks
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while on it.
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---
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ChangeLog | 5 +++
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grub-core/disk/diskfilter.c | 12 ++-----
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grub-core/kern/emu/hostdisk.c | 4 ++-
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util/getroot.c | 79 +++++++++++++++++++++++++++++++++++++++++++
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4 files changed, 89 insertions(+), 11 deletions(-)
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diff --git a/ChangeLog b/ChangeLog
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index fd9c082..602fc9b 100644
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--- a/ChangeLog
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+++ b/ChangeLog
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@@ -1,3 +1,8 @@
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+2013-04-11 Vladimir Serbinenko <phcoder@gmail.com>
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+
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+ Fix missing PVs if they don't contain "interesting" LV. Closes #38677.
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+ Fix few warining messages and leaks while on it.
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+
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2013-04-09 Andrey Borzenkov <arvidjaar@gmail.com>
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* autogen.sh: Use "-h", not "-f", to test for existence of symbolic
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diff --git a/grub-core/disk/diskfilter.c b/grub-core/disk/diskfilter.c
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index 2ff47e9..c4eb97e 100644
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--- a/grub-core/disk/diskfilter.c
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+++ b/grub-core/disk/diskfilter.c
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@@ -199,16 +199,8 @@ scan_disk (const char *name, int accept_diskfilter)
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scan_depth--;
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return 0;
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}
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- if (scan_disk_partition_iter (disk, 0, (void *) name))
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- {
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- scan_depth--;
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- return 1;
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- }
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- if (grub_partition_iterate (disk, scan_disk_partition_iter, (void *) name))
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- {
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- scan_depth--;
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- return 1;
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- }
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+ scan_disk_partition_iter (disk, 0, (void *) name);
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+ grub_partition_iterate (disk, scan_disk_partition_iter, (void *) name);
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grub_disk_close (disk);
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scan_depth--;
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return 0;
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diff --git a/grub-core/kern/emu/hostdisk.c b/grub-core/kern/emu/hostdisk.c
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index 62a579b..4a5eee0 100644
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--- a/grub-core/kern/emu/hostdisk.c
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+++ b/grub-core/kern/emu/hostdisk.c
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@@ -431,7 +431,7 @@ grub_util_get_dm_node_linear_info (const char *dev,
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uint64_t length, start;
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char *target, *params;
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char *ptr;
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- int major, minor;
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+ int major = 0, minor = 0;
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int first = 1;
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grub_disk_addr_t partstart = 0;
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@@ -497,6 +497,8 @@ grub_util_get_dm_node_linear_info (const char *dev,
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dm_task_destroy (dmt);
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first = 0;
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+ if (!dm_is_dm_major (major))
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+ break;
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}
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if (first)
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return 0;
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diff --git a/util/getroot.c b/util/getroot.c
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index 654d1e1..f65fd1e 100644
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--- a/util/getroot.c
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+++ b/util/getroot.c
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@@ -243,6 +243,13 @@ exec_pipe (char **argv, int *fd)
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else if (mdadm_pid == 0)
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{
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/* Child. */
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+
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+ /* Close fd's. */
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+#ifdef HAVE_DEVICE_MAPPER
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+ dm_lib_release ();
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+#endif
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+ grub_diskfilter_fini ();
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+
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/* Ensure child is not localised. */
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setenv ("LC_ALL", "C", 1);
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@@ -1315,6 +1322,76 @@ grub_util_get_dev_abstraction (const char *os_dev)
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return GRUB_DEV_ABSTRACTION_NONE;
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}
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+static void
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+pull_lvm_by_command (const char *os_dev)
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+{
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+ char *argv[6];
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+ int fd;
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+ pid_t pid;
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+ FILE *mdadm;
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+ char *buf = NULL;
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+ size_t len = 0;
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+ char *vgname;
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+ const char *iptr;
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+ char *optr;
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+
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+ if (strncmp (os_dev, "/dev/mapper/", sizeof ("/dev/mapper/") - 1)
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+ != 0)
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+ return;
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+
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+ vgname = xmalloc (strlen (os_dev + sizeof ("/dev/mapper/") - 1) + 1);
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+ for (iptr = os_dev + sizeof ("/dev/mapper/") - 1, optr = vgname; *iptr; )
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+ if (*iptr != '-')
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+ *optr++ = *iptr++;
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+ else if (iptr[0] == '-' && iptr[1] == '-')
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+ {
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+ iptr += 2;
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+ *optr++ = '-';
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+ }
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+ else
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+ break;
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+ *optr = '\0';
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+
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+ /* execvp has inconvenient types, hence the casts. None of these
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+ strings will actually be modified. */
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+ argv[0] = (char *) "vgs";
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+ argv[1] = (char *) "--options";
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+ argv[2] = (char *) "pv_name";
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+ argv[3] = (char *) "--noheadings";
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+ argv[4] = vgname;
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+ argv[5] = NULL;
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+
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+ pid = exec_pipe (argv, &fd);
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+ free (vgname);
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+
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+ if (!pid)
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+ return;
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+
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+ /* Parent. Read mdadm's output. */
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+ mdadm = fdopen (fd, "r");
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+ if (! mdadm)
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+ {
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+ grub_util_warn (_("Unable to open stream from %s: %s"),
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+ "vgs", strerror (errno));
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+ goto out;
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+ }
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+
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+ while (getline (&buf, &len, mdadm) > 0)
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+ {
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+ char *ptr;
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+ for (ptr = buf; ptr < buf + 2 && *ptr == ' '; ptr++);
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+ if (*ptr == '\0')
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+ continue;
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+ *(ptr + strlen (ptr) - 1) = '\0';
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+ grub_util_pull_device (ptr);
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+ }
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+
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+out:
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+ close (fd);
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+ waitpid (pid, NULL, 0);
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+ free (buf);
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+}
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+
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#ifdef __linux__
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static char *
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get_mdadm_uuid (const char *os_dev)
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@@ -1538,6 +1615,8 @@ grub_util_pull_device (const char *os_dev)
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break;
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case GRUB_DEV_ABSTRACTION_LVM:
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+ pull_lvm_by_command (os_dev);
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+ /* Fallthrough in case that lvm-tools are unavailable. */
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case GRUB_DEV_ABSTRACTION_LUKS:
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#ifdef HAVE_DEVICE_MAPPER
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{
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--
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2013-06-07 18:03:56 +00:00
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1.8.2.1
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2013-05-02 20:54:52 +00:00
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