Blame SOURCES/0106-RHBZ-1169935-no-new-devs.patch

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---
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 libmultipath/config.c    |    4 ++++
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 libmultipath/config.h    |    1 +
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 libmultipath/configure.c |    5 ++---
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 libmultipath/dict.c      |   33 +++++++++++++++++++++++++++++++++
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 libmultipath/util.c      |   30 ++++++++++++++++++++++++++++++
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 libmultipath/util.h      |    1 +
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 libmultipath/wwids.c     |   21 ++++++++++++++-------
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 multipathd/main.c        |    3 +--
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 8 files changed, 86 insertions(+), 12 deletions(-)
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Index: multipath-tools-130222/libmultipath/config.h
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===================================================================
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--- multipath-tools-130222.orig/libmultipath/config.h
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+++ multipath-tools-130222/libmultipath/config.h
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@@ -131,6 +131,7 @@ struct config {
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 	int detect_prio;
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 	int force_sync;
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 	int deferred_remove;
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+	int ignore_new_boot_devs;
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 	unsigned int version[3];
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 	char * dev;
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Index: multipath-tools-130222/libmultipath/configure.c
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===================================================================
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--- multipath-tools-130222.orig/libmultipath/configure.c
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+++ multipath-tools-130222/libmultipath/configure.c
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@@ -775,9 +775,8 @@ coalesce_paths (struct vectors * vecs, v
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 		if (refwwid && strncmp(pp1->wwid, refwwid, WWID_SIZE))
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 			continue;
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-		/* If find_multipaths was selected check if the path is valid */
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-		if (conf->find_multipaths && !refwwid &&
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-		    !should_multipath(pp1, pathvec)) {
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+		/* check if the path is valid */
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+		if (!refwwid && !should_multipath(pp1, pathvec)) {
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 			orphan_path(pp1);
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 			continue;
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 		}
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Index: multipath-tools-130222/libmultipath/wwids.c
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===================================================================
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--- multipath-tools-130222.orig/libmultipath/wwids.c
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+++ multipath-tools-130222/libmultipath/wwids.c
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@@ -15,6 +15,7 @@
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 #include "wwids.h"
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 #include "defaults.h"
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 #include "config.h"
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+#include "util.h"
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 /*
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  * Copyright (c) 2010 Benjamin Marzinski, Redhat
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@@ -268,15 +269,21 @@ should_multipath(struct path *pp1, vecto
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 {
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 	int i;
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 	struct path *pp2;
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+	int ignore_new_devs = (conf->ignore_new_boot_devs && in_initrd());
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+
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+	if (!conf->find_multipaths && !ignore_new_devs)
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+		return 1;
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 	condlog(4, "checking if %s should be multipathed", pp1->dev);
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-	vector_foreach_slot(pathvec, pp2, i) {
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-		if (pp1->dev == pp2->dev)
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-			continue;
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-		if (strncmp(pp1->wwid, pp2->wwid, WWID_SIZE) == 0) {
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-			condlog(3, "found multiple paths with wwid %s, "
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-				"multipathing %s", pp1->wwid, pp1->dev);
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-			return 1;
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+	if (!ignore_new_devs) {
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+		vector_foreach_slot(pathvec, pp2, i) {
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+			if (pp1->dev == pp2->dev)
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+				continue;
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+			if (strncmp(pp1->wwid, pp2->wwid, WWID_SIZE) == 0) {
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+				condlog(3, "found multiple paths with wwid %s, "
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+					"multipathing %s", pp1->wwid, pp1->dev);
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+				return 1;
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+			}
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 		}
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 	}
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 	if (check_wwids_file(pp1->wwid, 0) < 0) {
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Index: multipath-tools-130222/multipathd/main.c
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===================================================================
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--- multipath-tools-130222.orig/multipathd/main.c
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+++ multipath-tools-130222/multipathd/main.c
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@@ -503,8 +503,7 @@ rescan:
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 			return 1;
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 		}
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-		if (conf->find_multipaths &&
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-		    !should_multipath(pp, vecs->pathvec)) {
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+		if (!should_multipath(pp, vecs->pathvec)) {
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 			orphan_path(pp);
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 			return 0;
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 		}
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Index: multipath-tools-130222/libmultipath/config.c
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===================================================================
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--- multipath-tools-130222.orig/libmultipath/config.c
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+++ multipath-tools-130222/libmultipath/config.c
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@@ -622,6 +622,7 @@ load_config (char * file, struct udev *u
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 	conf->deferred_remove = DEFAULT_DEFERRED_REMOVE;
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 	conf->hw_strmatch = 0;
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 	conf->force_sync = 0;
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+	conf->ignore_new_boot_devs = 0;
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 	/*
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 	 * preload default hwtable
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@@ -732,6 +733,9 @@ load_config (char * file, struct udev *u
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 	    !conf->wwids_file)
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 		goto out;
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+	if (conf->ignore_new_boot_devs)
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+		in_initrd();
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+
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 	return 0;
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 out:
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 	free_config(conf);
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Index: multipath-tools-130222/libmultipath/dict.c
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===================================================================
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--- multipath-tools-130222.orig/libmultipath/dict.c
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+++ multipath-tools-130222/libmultipath/dict.c
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@@ -761,6 +761,29 @@ def_deferred_remove_handler(vector strve
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 	return 0;
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 }
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+static int
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+def_ignore_new_boot_devs_handler(vector strvec)
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+{
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+	char * buff;
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+
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+	buff = set_value(strvec);
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+
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+	if (!buff)
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+		return 1;
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+
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+	if ((strlen(buff) == 2 && !strcmp(buff, "no")) ||
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+	    (strlen(buff) == 1 && !strcmp(buff, "0")))
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+		conf->ignore_new_boot_devs = 0;
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+	else if ((strlen(buff) == 3 && !strcmp(buff, "yes")) ||
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+		 (strlen(buff) == 1 && !strcmp(buff, "1")))
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+		conf->ignore_new_boot_devs = 1;
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+	else
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+		conf->ignore_new_boot_devs = 0;
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+
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+	FREE(buff);
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+	return 0;
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+}
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+
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 /*
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  * blacklist block handlers
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  */
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@@ -3011,6 +3034,15 @@ snprint_def_deferred_remove(char * buff,
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 }
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 static int
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+snprint_def_ignore_new_boot_devs(char * buff, int len, void * data)
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+{
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+	if (conf->ignore_new_boot_devs == 1)
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+		return snprintf(buff, len, "yes");
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+	else
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+		return snprintf(buff, len, "no");
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+}
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+
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+static int
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 snprint_ble_simple (char * buff, int len, void * data)
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 {
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 	struct blentry * ble = (struct blentry *)data;
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@@ -3080,6 +3112,7 @@ init_keywords(void)
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 	install_keyword("hw_str_match", &def_hw_strmatch_handler, &snprint_def_hw_strmatch);
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 	install_keyword("force_sync", &def_force_sync_handler, &snprint_def_force_sync);
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 	install_keyword("deferred_remove", &def_deferred_remove_handler, &snprint_def_deferred_remove);
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+	install_keyword("ignore_new_boot_devs", &def_ignore_new_boot_devs_handler, &snprint_def_ignore_new_boot_devs);
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 	__deprecated install_keyword("default_selector", &def_selector_handler, NULL);
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 	__deprecated install_keyword("default_path_grouping_policy", &def_pgpolicy_handler, NULL);
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 	__deprecated install_keyword("default_uid_attribute", &def_uid_attribute_handler, NULL);
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Index: multipath-tools-130222/libmultipath/util.c
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===================================================================
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--- multipath-tools-130222.orig/libmultipath/util.c
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+++ multipath-tools-130222/libmultipath/util.c
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@@ -3,6 +3,8 @@
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 #include <sys/types.h>
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 #include <sys/stat.h>
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 #include <unistd.h>
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+#include <sys/vfs.h>
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+#include <linux/magic.h>
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 #include "debug.h"
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 #include "memory.h"
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@@ -267,3 +269,31 @@ dev_t parse_devt(const char *dev_t)
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 	return makedev(maj, min);
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 }
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+
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+/* This define was taken from systemd. src/shared/macro.h */
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+#define F_TYPE_EQUAL(a, b) (a == (typeof(a)) b)
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+
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+/* This function was taken from systemd. src/shared/util.c */
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+int in_initrd(void) {
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+	static int saved = -1;
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+	struct statfs s;
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+
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+	if (saved >= 0)
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+		return saved;
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+
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+	/* We make two checks here:
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+	 *
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+	 * 1. the flag file /etc/initrd-release must exist
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+	 * 2. the root file system must be a memory file system
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+	 * The second check is extra paranoia, since misdetecting an
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+	 * initrd can have bad bad consequences due the initrd
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+	 * emptying when transititioning to the main systemd.
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+	 */
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+
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+	saved = access("/etc/initrd-release", F_OK) >= 0 &&
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+		statfs("/", &s) >= 0 &&
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+		(F_TYPE_EQUAL(s.f_type, TMPFS_MAGIC) ||
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+		 F_TYPE_EQUAL(s.f_type, RAMFS_MAGIC));
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+
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+	return saved;
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+}
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Index: multipath-tools-130222/libmultipath/util.h
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===================================================================
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--- multipath-tools-130222.orig/libmultipath/util.h
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+++ multipath-tools-130222/libmultipath/util.h
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@@ -11,6 +11,7 @@ void remove_trailing_chars(char *path, c
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 int devt2devname (char *, int, char *);
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 dev_t parse_devt(const char *dev_t);
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 char *convert_dev(char *dev, int is_path_device);
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+int in_initrd(void);
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 #define safe_sprintf(var, format, args...)	\
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 	snprintf(var, sizeof(var), format, ##args) >= sizeof(var)