64 lines
1.5 KiB
Diff
64 lines
1.5 KiB
Diff
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--- util-linux-2.12a/mount/mount_by_label.c.old 2004-08-11 22:25:06.000000000 +0100
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+++ util-linux-2.12a/mount/mount_by_label.c 2004-08-11 22:25:21.000000000 +0100
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@@ -17,6 +17,8 @@
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* - Added JFS v2 format support
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* 2002-07-26 Luciano Chavez <lnx1138@us.ibm.com>
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* - Added EVMS support
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+ * 2004-08-11 Alasdair Kergon <agk@redhat.com>
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+ * - Added LVM2/device-mapper support
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*/
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#include <stdio.h>
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@@ -38,6 +40,7 @@
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#define VG_DIR "/proc/lvm/VGs"
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#define EVMS_VOLUME_NAME_SIZE 127
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#define PROC_EVMS_VOLUMES "/proc/evms/volumes"
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+#define DEVICEMAPPERDIR "/dev/mapper"
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static struct uuidCache_s {
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struct uuidCache_s *next;
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@@ -101,6 +104,34 @@
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closedir(vg_dir);
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}
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+/* LVM2/device-mapper support */
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+static void
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+uuidcache_init_dm(void) {
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+ char lvm_device[PATH_MAX];
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+ DIR *d;
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+ struct dirent *lv_iter;
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+ char uuid[16], *label;
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+
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+ if (!(d = opendir(DEVICEMAPPERDIR))) {
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+ if (errno != ENOENT)
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+ perror("mount (init_dm)");
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+ return;
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+ }
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+
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+ while ((lv_iter = readdir(d))) {
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+ if (!strcmp(lv_iter->d_name, "control") ||
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+ !strcmp(lv_iter->d_name, ".") ||
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+ !strcmp(lv_iter->d_name, ".."))
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+ continue;
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+ snprintf(lvm_device, sizeof(lvm_device), "%s/%s",
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+ DEVICEMAPPERDIR, lv_iter->d_name);
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+ if (!get_label_uuid(strdup(lvm_device), &label, uuid))
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+ uuidcache_addentry(strdup(lvm_device),
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+ label, uuid);
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+ }
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+ closedir(d);
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+}
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+
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static int
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uuidcache_init_evms(void) {
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FILE *procvol;
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@@ -250,6 +281,8 @@
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fclose(procpt);
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uuidcache_init_lvm();
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+
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+ uuidcache_init_dm();
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}
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#define UUID 1
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