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505 lines
17 KiB
505 lines
17 KiB
6 years ago
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---
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libmpathpersist/mpath_persist.c | 3 ++-
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libmpathpersist/mpath_updatepr.c | 10 ++++++++--
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libmpathpersist/mpathpr.h | 3 ++-
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libmultipath/Makefile | 2 +-
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libmultipath/config.h | 2 ++
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libmultipath/dict.c | 24 ++++++++++++++++++------
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libmultipath/prkey.c | 25 ++++++++++++++++++++++---
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libmultipath/prkey.h | 4 ++--
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libmultipath/propsel.c | 13 ++++++++++---
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libmultipath/structs.h | 1 +
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libmultipath/util.c | 16 ++++++++++++++++
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libmultipath/util.h | 1 +
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multipath/multipath.conf.5 | 8 ++++++--
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multipathd/cli_handlers.c | 15 ++++++++++-----
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multipathd/main.c | 1 +
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15 files changed, 102 insertions(+), 26 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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@@ -86,6 +86,7 @@ struct mpentry {
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char * prio_args;
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int prkey_source;
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struct be64 reservation_key;
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+ uint8_t sa_flags;
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int pgpolicy;
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int pgfailback;
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int rr_weight;
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@@ -183,6 +184,7 @@ struct config {
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char * config_dir;
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int prkey_source;
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struct be64 reservation_key;
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+ uint8_t sa_flags;
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vector keywords;
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vector mptable;
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Index: multipath-tools-130222/libmultipath/structs.h
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===================================================================
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--- multipath-tools-130222.orig/libmultipath/structs.h
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+++ multipath-tools-130222/libmultipath/structs.h
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@@ -331,6 +331,7 @@ struct multipath {
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struct be64 reservation_key;
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unsigned char prflag;
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int all_tg_pt;
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+ uint8_t sa_flags;
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};
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struct pathgroup {
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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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@@ -6,6 +6,8 @@
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#include <sys/vfs.h>
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#include <linux/magic.h>
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#include <errno.h>
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+#include <libudev.h>
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+#include <mpath_persist.h>
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#include "debug.h"
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#include "memory.h"
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@@ -317,6 +319,20 @@ int parse_prkey(char *ptr, uint64_t *prk
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return 0;
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}
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+int parse_prkey_flags(char *ptr, uint64_t *prkey, uint8_t *flags)
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+{
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+ char *flagstr;
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+
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+ flagstr = strchr(ptr, ':');
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+ *flags = 0;
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+ if (flagstr) {
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+ *flagstr++ = '\0';
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+ if (strlen(flagstr) == 5 && strcmp(flagstr, "aptpl") == 0)
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+ *flags = MPATH_F_APTPL_MASK;
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+ }
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+ return parse_prkey(ptr, prkey);
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+}
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+
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int safe_write(int fd, const void *buf, size_t count)
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{
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while (count > 0) {
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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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@@ -15,6 +15,7 @@ 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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int parse_prkey(char *ptr, uint64_t *prkey);
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+int parse_prkey_flags(char *ptr, uint64_t *prkey, uint8_t *flags);
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int safe_write(int fd, const void *buf, size_t count);
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#define safe_sprintf(var, format, args...) \
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Index: multipath-tools-130222/libmultipath/Makefile
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===================================================================
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--- multipath-tools-130222.orig/libmultipath/Makefile
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+++ multipath-tools-130222/libmultipath/Makefile
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@@ -8,7 +8,7 @@ SONAME=0
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DEVLIB = libmultipath.so
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LIBS = $(DEVLIB).$(SONAME)
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LIBDEPS = -lpthread -ldl -ldevmapper -ludev -L$(mpathcmddir) -lmpathcmd
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-CFLAGS += -fPIC -I$(mpathcmddir)
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+CFLAGS += -fPIC -I$(mpathcmddir) -I$(mpathpersistdir)
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OBJS = memory.o parser.o vector.o devmapper.o \
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hwtable.o blacklist.o util.o dmparser.o config.o \
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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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@@ -23,6 +23,8 @@
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#include "util.h"
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#include "prkey.h"
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#include <inttypes.h>
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+#include <libudev.h>
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+#include <mpath_persist.h>
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/*
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* default block handlers
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@@ -557,6 +559,7 @@ def_reservation_key_handler(vector strve
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{
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char *buff;
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uint64_t prkey = 0;
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+ uint8_t flags;
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buff = set_value(strvec);
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if (!buff)
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@@ -568,12 +571,13 @@ def_reservation_key_handler(vector strve
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FREE(buff);
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return 0;
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}
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- else if (parse_prkey(buff, &prkey) != 0) {
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+ else if (parse_prkey_flags(buff, &prkey, &flags) != 0) {
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FREE(buff);
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return 1;
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}
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conf->prkey_source = PRKEY_SOURCE_CONF;
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+ conf->sa_flags = flags;
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put_be64(conf->reservation_key, prkey);
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FREE(buff);
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return 0;
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@@ -2403,6 +2407,7 @@ mp_reservation_key_handler (vector strve
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char *buff;
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struct mpentry *mpe = VECTOR_LAST_SLOT(conf->mptable);
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uint64_t prkey;
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+ uint8_t flags;
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if (!mpe)
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return 1;
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@@ -2417,12 +2422,13 @@ mp_reservation_key_handler (vector strve
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FREE(buff);
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return 0;
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}
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- else if (parse_prkey(buff, &prkey) != 0) {
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+ else if (parse_prkey_flags(buff, &prkey, &flags) != 0) {
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FREE(buff);
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return 1;
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}
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mpe->prkey_source = PRKEY_SOURCE_CONF;
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+ mpe->sa_flags = flags;
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put_be64(mpe->reservation_key, prkey);
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FREE(buff);
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return 0;
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@@ -2838,14 +2844,17 @@ snprint_mp_prio_args(char * buff, int le
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static int
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snprint_mp_reservation_key (char * buff, int len, void * data)
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{
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+ char *flagstr = "";
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struct mpentry * mpe = (struct mpentry *)data;
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if (mpe->prkey_source == PRKEY_SOURCE_NONE)
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return 0;
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if (mpe->prkey_source == PRKEY_SOURCE_FILE)
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return snprintf(buff, len, "file");
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- return snprintf(buff, len, "0x%" PRIx64,
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- get_be64(mpe->reservation_key));
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+ if (mpe->sa_flags == MPATH_F_APTPL_MASK)
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+ flagstr = ":aptpl";
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+ return snprintf(buff, len, "0x%" PRIx64 "%s",
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+ get_be64(mpe->reservation_key), flagstr);
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}
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static int
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@@ -3716,12 +3725,15 @@ snprint_def_prkeys_file (char * buff, in
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static int
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snprint_def_reservation_key(char * buff, int len, void * data)
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{
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+ char *flagstr = "";
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if (conf->prkey_source == PRKEY_SOURCE_NONE)
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return 0;
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if (conf->prkey_source == PRKEY_SOURCE_FILE)
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return snprintf(buff, len, "file");
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- return snprintf(buff, len, "0x%" PRIx64,
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- get_be64(conf->reservation_key));
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+ if (conf->sa_flags == MPATH_F_APTPL_MASK)
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+ flagstr = ":aptpl";
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+ return snprintf(buff, len, "0x%" PRIx64 "%s",
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+ get_be64(conf->reservation_key), flagstr);
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}
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static int
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Index: multipath-tools-130222/libmpathpersist/mpath_persist.c
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===================================================================
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--- multipath-tools-130222.orig/libmpathpersist/mpath_persist.c
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+++ multipath-tools-130222/libmpathpersist/mpath_persist.c
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@@ -295,7 +295,8 @@ int mpath_persistent_reserve_out ( int f
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rq_servact == MPATH_PROUT_REG_SA) ||
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rq_servact == MPATH_PROUT_REG_IGN_SA)) {
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memcpy(&mpp->reservation_key, paramp->sa_key, 8);
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- if (update_prkey(alias, get_be64(mpp->reservation_key))) {
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+ if (update_prkey_flags(alias, get_be64(mpp->reservation_key),
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+ paramp->sa_flags)) {
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condlog(0, "%s: failed to set prkey for multipathd.",
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alias);
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ret = MPATH_PR_DMMP_ERROR;
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Index: multipath-tools-130222/libmpathpersist/mpath_updatepr.c
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===================================================================
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--- multipath-tools-130222.orig/libmpathpersist/mpath_updatepr.c
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+++ multipath-tools-130222/libmpathpersist/mpath_updatepr.c
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@@ -15,6 +15,8 @@
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#include <mpath_cmd.h>
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#include <uxsock.h>
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#include "memory.h"
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+#include <libudev.h>
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+#include <mpath_persist.h>
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unsigned long mem_allocated; /* Total memory used in Bytes */
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@@ -54,11 +56,15 @@ int update_prflag(char *mapname, int set
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return do_update_pr(mapname, (set)? "setprstatus" : "unsetprstatus");
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}
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-int update_prkey(char *mapname, uint64_t prkey) {
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+int update_prkey_flags(char *mapname, uint64_t prkey, uint8_t sa_flags) {
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char str[256];
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+ char *flagstr = "";
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+ if (sa_flags & MPATH_F_APTPL_MASK)
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+ flagstr = ":aptpl";
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if (prkey)
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- snprintf(str, sizeof(str), "setprkey key %" PRIx64, prkey);
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+ snprintf(str, sizeof(str), "setprkey key %" PRIx64 "%s", prkey,
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+ flagstr);
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else
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snprintf(str, sizeof(str), "unsetprkey");
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return do_update_pr(mapname, str);
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Index: multipath-tools-130222/libmpathpersist/mpathpr.h
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===================================================================
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--- multipath-tools-130222.orig/libmpathpersist/mpathpr.h
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+++ multipath-tools-130222/libmpathpersist/mpathpr.h
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@@ -50,7 +50,8 @@ int send_prout_activepath(char * dev, in
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unsigned int rq_type, struct prout_param_descriptor * paramp, int noisy);
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int update_prflag(char *mapname, int set);
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-int update_prkey(char *mapname, uint64_t prkey);
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+int update_prkey_flags(char *mapname, uint64_t prkey, uint8_t sa_flags);
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+#define update_prkey(mapname, prkey) update_prkey_flags(mapname, prkey, 0)
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void * mpath_alloc_prin_response(int prin_sa);
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int update_map_pr(struct multipath *mpp);
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int devt2devname (char *devname, char *devt);
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Index: multipath-tools-130222/libmultipath/prkey.c
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===================================================================
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--- multipath-tools-130222.orig/libmultipath/prkey.c
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+++ multipath-tools-130222/libmultipath/prkey.c
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@@ -11,6 +11,8 @@
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#include <string.h>
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#include <inttypes.h>
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#include <errno.h>
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+#include <libudev.h>
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+#include <mpath_persist.h>
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#define KEYSIZE 19
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#define PRKEY_READ 0
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@@ -109,7 +111,7 @@ static int do_prkey(int fd, char *wwid,
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return 0;
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}
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-int get_prkey(struct multipath *mpp, uint64_t *prkey)
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+int get_prkey(struct multipath *mpp, uint64_t *prkey, uint8_t *sa_flags)
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{
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int fd;
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int unused;
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@@ -125,6 +127,9 @@ int get_prkey(struct multipath *mpp, uin
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ret = do_prkey(fd, mpp->wwid, keystr, PRKEY_READ);
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if (ret)
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goto out_file;
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+ *sa_flags = 0;
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+ if (strchr(keystr, 'X'))
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+ *sa_flags = MPATH_F_APTPL_MASK;
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ret = !!parse_prkey(keystr, prkey);
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out_file:
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close(fd);
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@@ -132,7 +137,7 @@ out:
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return ret;
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}
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-int set_prkey(struct multipath *mpp, uint64_t prkey)
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+int set_prkey(struct multipath *mpp, uint64_t prkey, uint8_t sa_flags)
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{
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int fd;
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int can_write = 1;
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@@ -142,6 +147,12 @@ int set_prkey(struct multipath *mpp, uin
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if (!strlen(mpp->wwid))
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goto out;
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+ if (sa_flags & ~MPATH_F_APTPL_MASK) {
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+ condlog(0, "unsupported pr flags, 0x%x",
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+ sa_flags & ~MPATH_F_APTPL_MASK);
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+ sa_flags &= MPATH_F_APTPL_MASK;
|
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+ }
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+
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fd = open_file(conf->prkeys_file, &can_write, PRKEYS_FILE_HEADER);
|
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|
if (fd < 0)
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goto out;
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@@ -150,7 +161,15 @@ int set_prkey(struct multipath *mpp, uin
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goto out_file;
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|
}
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|
if (prkey) {
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- snprintf(keystr, KEYSIZE, "0x%016" PRIx64, prkey);
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+ /* using the capitalization of the 'x' is a hack, but
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+ * it's unlikely that mpath_persist will support more options
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+ * since sg_persist doesn't, and this lets us keep the
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+ * same file format as before instead of needing to change
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+ * the format of the prkeys file */
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+ if (sa_flags)
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+ snprintf(keystr, KEYSIZE, "0X%016" PRIx64, prkey);
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+ else
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+ snprintf(keystr, KEYSIZE, "0x%016" PRIx64, prkey);
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keystr[KEYSIZE - 1] = '\0';
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ret = do_prkey(fd, mpp->wwid, keystr, PRKEY_WRITE);
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|
}
|
||
|
Index: multipath-tools-130222/libmultipath/prkey.h
|
||
|
===================================================================
|
||
|
--- multipath-tools-130222.orig/libmultipath/prkey.h
|
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+++ multipath-tools-130222/libmultipath/prkey.h
|
||
|
@@ -13,7 +13,7 @@
|
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|
"# prkey wwid\n" \
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|
"#\n"
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|
|
||
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-int set_prkey(struct multipath *mpp, uint64_t prkey);
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-int get_prkey(struct multipath *mpp, uint64_t *prkey);
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+int set_prkey(struct multipath *mpp, uint64_t prkey, uint8_t sa_flags);
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+int get_prkey(struct multipath *mpp, uint64_t *prkey, uint8_t *sa_flags);
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|
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|
#endif /* _PRKEY_H */
|
||
|
Index: multipath-tools-130222/libmultipath/propsel.c
|
||
|
===================================================================
|
||
|
--- multipath-tools-130222.orig/libmultipath/propsel.c
|
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|
+++ multipath-tools-130222/libmultipath/propsel.c
|
||
|
@@ -20,6 +20,8 @@
|
||
|
#include "prioritizers/alua_rtpg.h"
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|
#include "prkey.h"
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|
#include <inttypes.h>
|
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|
+#include <libudev.h>
|
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|
+#include <mpath_persist.h>
|
||
|
|
||
|
pgpolicyfn *pgpolicies[] = {
|
||
|
NULL,
|
||
|
@@ -715,10 +717,12 @@ select_reservation_key (struct multipath
|
||
|
uint64_t prkey;
|
||
|
char *origin = NULL;
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|
char *from_file = "";
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||
|
+ char *flagstr = "";
|
||
|
|
||
|
if (mp->mpe && mp->mpe->prkey_source != PRKEY_SOURCE_NONE) {
|
||
|
mp->prkey_source = mp->mpe->prkey_source;
|
||
|
mp->reservation_key = mp->mpe->reservation_key;
|
||
|
+ mp->sa_flags = mp->mpe->sa_flags;
|
||
|
origin = "multipath setting";
|
||
|
goto out;
|
||
|
}
|
||
|
@@ -726,6 +730,7 @@ select_reservation_key (struct multipath
|
||
|
if (conf->prkey_source != PRKEY_SOURCE_NONE) {
|
||
|
mp->prkey_source = conf->prkey_source;
|
||
|
mp->reservation_key = conf->reservation_key;
|
||
|
+ mp->sa_flags = conf->sa_flags;
|
||
|
origin = "config file default";
|
||
|
goto out;
|
||
|
}
|
||
|
@@ -736,14 +741,16 @@ select_reservation_key (struct multipath
|
||
|
out:
|
||
|
if (mp->prkey_source == PRKEY_SOURCE_FILE) {
|
||
|
from_file = " (from prkeys file)";
|
||
|
- if (get_prkey(mp, &prkey) != 0)
|
||
|
+ if (get_prkey(mp, &prkey, &mp->sa_flags) != 0)
|
||
|
put_be64(mp->reservation_key, 0);
|
||
|
else
|
||
|
put_be64(mp->reservation_key, prkey);
|
||
|
}
|
||
|
+ if (mp->sa_flags & MPATH_F_APTPL_MASK)
|
||
|
+ flagstr = ":aptpl";
|
||
|
if (get_be64(mp->reservation_key))
|
||
|
- condlog(0, "%s: reservation_key = 0x%" PRIx64 " (%s)%s",
|
||
|
- mp->alias, get_be64(mp->reservation_key), origin,
|
||
|
+ condlog(0, "%s: reservation_key = 0x%" PRIx64 "%s (%s)%s",
|
||
|
+ mp->alias, get_be64(mp->reservation_key), flagstr, origin,
|
||
|
from_file);
|
||
|
return 0;
|
||
|
}
|
||
|
Index: multipath-tools-130222/multipathd/cli_handlers.c
|
||
|
===================================================================
|
||
|
--- multipath-tools-130222.orig/multipathd/cli_handlers.c
|
||
|
+++ multipath-tools-130222/multipathd/cli_handlers.c
|
||
|
@@ -17,6 +17,7 @@
|
||
|
#include <sysfs.h>
|
||
|
#include <errno.h>
|
||
|
#include <libudev.h>
|
||
|
+#include <mpath_persist.h>
|
||
|
#include <util.h>
|
||
|
#include <prkey.h>
|
||
|
|
||
|
@@ -1242,6 +1243,7 @@ cli_getprkey(void * v, char ** reply, in
|
||
|
struct multipath * mpp;
|
||
|
struct vectors * vecs = (struct vectors *)data;
|
||
|
char *mapname = get_keyparam(v, MAP);
|
||
|
+ char *flagstr = "";
|
||
|
|
||
|
mapname = convert_dev(mapname, 0);
|
||
|
condlog(3, "%s: get persistent reservation key (operator)", mapname);
|
||
|
@@ -1257,8 +1259,10 @@ cli_getprkey(void * v, char ** reply, in
|
||
|
*len = strlen(*reply) + 1;
|
||
|
return 0;
|
||
|
}
|
||
|
- snprintf(*reply, 20, "0x%" PRIx64 "\n",
|
||
|
- get_be64(mpp->reservation_key));
|
||
|
+ if (mpp->sa_flags & MPATH_F_APTPL_MASK)
|
||
|
+ flagstr = ":aptpl";
|
||
|
+ snprintf(*reply, 20, "0x%" PRIx64 "%s\n",
|
||
|
+ get_be64(mpp->reservation_key), flagstr);
|
||
|
(*reply)[19] = '\0';
|
||
|
*len = strlen(*reply) + 1;
|
||
|
return 0;
|
||
|
@@ -1278,7 +1282,7 @@ cli_unsetprkey(void * v, char ** reply,
|
||
|
if (!mpp)
|
||
|
return 1;
|
||
|
|
||
|
- return set_prkey(mpp, 0);
|
||
|
+ return set_prkey(mpp, 0, 0);
|
||
|
}
|
||
|
|
||
|
int cli_setprkey(void * v, char ** reply, int * len, void * data)
|
||
|
@@ -1288,6 +1292,7 @@ int cli_setprkey(void * v, char ** reply
|
||
|
char *mapname = get_keyparam(v, MAP);
|
||
|
char *keyparam = get_keyparam(v, KEY);
|
||
|
uint64_t prkey;
|
||
|
+ uint8_t flags;
|
||
|
|
||
|
mapname = convert_dev(mapname, 0);
|
||
|
condlog(3, "%s: set persistent reservation key (operator)", mapname);
|
||
|
@@ -1296,10 +1301,10 @@ int cli_setprkey(void * v, char ** reply
|
||
|
if (!mpp)
|
||
|
return 1;
|
||
|
|
||
|
- if (parse_prkey(keyparam, &prkey) != 0) {
|
||
|
+ if (parse_prkey_flags(keyparam, &prkey, &flags) != 0) {
|
||
|
condlog(0, "%s: invalid prkey : '%s'", mapname, keyparam);
|
||
|
return 1;
|
||
|
}
|
||
|
|
||
|
- return set_prkey(mpp, prkey);
|
||
|
+ return set_prkey(mpp, prkey, flags);
|
||
|
}
|
||
|
Index: multipath-tools-130222/multipathd/main.c
|
||
|
===================================================================
|
||
|
--- multipath-tools-130222.orig/multipathd/main.c
|
||
|
+++ multipath-tools-130222/multipathd/main.c
|
||
|
@@ -2324,6 +2324,7 @@ void * mpath_pr_event_handler_fn (void
|
||
|
|
||
|
param= malloc(sizeof(struct prout_param_descriptor));
|
||
|
memset(param, 0 , sizeof(struct prout_param_descriptor));
|
||
|
+ param->sa_flags = mpp->sa_flags;
|
||
|
memcpy(param->sa_key, &mpp->reservation_key, 8);
|
||
|
param->num_transportid = 0;
|
||
|
|
||
|
Index: multipath-tools-130222/multipath/multipath.conf.5
|
||
|
===================================================================
|
||
|
--- multipath-tools-130222.orig/multipath/multipath.conf.5
|
||
|
+++ multipath-tools-130222/multipath/multipath.conf.5
|
||
|
@@ -438,14 +438,18 @@ This is the service action reservation k
|
||
|
set for all multipath devices using persistent reservations, and it must be
|
||
|
the same as the RESERVATION KEY field of the PERSISTENT RESERVE OUT parameter
|
||
|
list which contains an 8-byte value provided by the application client to the
|
||
|
-device server to identify the I_T nexus.
|
||
|
+device server to identify the I_T nexus. If the \fI--param-aptpl\fR option is
|
||
|
+used when registering the key with mpathpersist, \fB:aptpl\fR must be appended
|
||
|
+to the end of the reservation key.
|
||
|
+
|
||
|
.RS
|
||
|
.PP
|
||
|
Alternatively, this can be set to \fBfile\fR, which will store the RESERVATION
|
||
|
KEY registered by mpathpersist in the \fIprkeys_file\fR. multipathd will then
|
||
|
use this key to register additional paths as they appear. When the
|
||
|
registration is removed, the RESERVATION KEY is removed from the
|
||
|
-\fIprkeys_file\fR.
|
||
|
+\fIprkeys_file\fR. The prkeys file will automatically keep track of whether
|
||
|
+the key was registered with \fI--param-aptpl\fR.
|
||
|
It is unset by default.
|
||
|
.RE
|
||
|
.TP
|