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base/SOURCES/0243-RHBZ-1498724-save-pers...

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---
libmpathpersist/mpath_persist.c | 3 ++-
libmpathpersist/mpath_updatepr.c | 10 ++++++++--
libmpathpersist/mpathpr.h | 3 ++-
libmultipath/Makefile | 2 +-
libmultipath/config.h | 2 ++
libmultipath/dict.c | 24 ++++++++++++++++++------
libmultipath/prkey.c | 25 ++++++++++++++++++++++---
libmultipath/prkey.h | 4 ++--
libmultipath/propsel.c | 13 ++++++++++---
libmultipath/structs.h | 1 +
libmultipath/util.c | 16 ++++++++++++++++
libmultipath/util.h | 1 +
multipath/multipath.conf.5 | 8 ++++++--
multipathd/cli_handlers.c | 15 ++++++++++-----
multipathd/main.c | 1 +
15 files changed, 102 insertions(+), 26 deletions(-)
Index: multipath-tools-130222/libmultipath/config.h
===================================================================
--- multipath-tools-130222.orig/libmultipath/config.h
+++ multipath-tools-130222/libmultipath/config.h
@@ -86,6 +86,7 @@ struct mpentry {
char * prio_args;
int prkey_source;
struct be64 reservation_key;
+ uint8_t sa_flags;
int pgpolicy;
int pgfailback;
int rr_weight;
@@ -183,6 +184,7 @@ struct config {
char * config_dir;
int prkey_source;
struct be64 reservation_key;
+ uint8_t sa_flags;
vector keywords;
vector mptable;
Index: multipath-tools-130222/libmultipath/structs.h
===================================================================
--- multipath-tools-130222.orig/libmultipath/structs.h
+++ multipath-tools-130222/libmultipath/structs.h
@@ -331,6 +331,7 @@ struct multipath {
struct be64 reservation_key;
unsigned char prflag;
int all_tg_pt;
+ uint8_t sa_flags;
};
struct pathgroup {
Index: multipath-tools-130222/libmultipath/util.c
===================================================================
--- multipath-tools-130222.orig/libmultipath/util.c
+++ multipath-tools-130222/libmultipath/util.c
@@ -6,6 +6,8 @@
#include <sys/vfs.h>
#include <linux/magic.h>
#include <errno.h>
+#include <libudev.h>
+#include <mpath_persist.h>
#include "debug.h"
#include "memory.h"
@@ -317,6 +319,20 @@ int parse_prkey(char *ptr, uint64_t *prk
return 0;
}
+int parse_prkey_flags(char *ptr, uint64_t *prkey, uint8_t *flags)
+{
+ char *flagstr;
+
+ flagstr = strchr(ptr, ':');
+ *flags = 0;
+ if (flagstr) {
+ *flagstr++ = '\0';
+ if (strlen(flagstr) == 5 && strcmp(flagstr, "aptpl") == 0)
+ *flags = MPATH_F_APTPL_MASK;
+ }
+ return parse_prkey(ptr, prkey);
+}
+
int safe_write(int fd, const void *buf, size_t count)
{
while (count > 0) {
Index: multipath-tools-130222/libmultipath/util.h
===================================================================
--- multipath-tools-130222.orig/libmultipath/util.h
+++ multipath-tools-130222/libmultipath/util.h
@@ -15,6 +15,7 @@ dev_t parse_devt(const char *dev_t);
char *convert_dev(char *dev, int is_path_device);
int in_initrd(void);
int parse_prkey(char *ptr, uint64_t *prkey);
+int parse_prkey_flags(char *ptr, uint64_t *prkey, uint8_t *flags);
int safe_write(int fd, const void *buf, size_t count);
#define safe_sprintf(var, format, args...) \
Index: multipath-tools-130222/libmultipath/Makefile
===================================================================
--- multipath-tools-130222.orig/libmultipath/Makefile
+++ multipath-tools-130222/libmultipath/Makefile
@@ -8,7 +8,7 @@ SONAME=0
DEVLIB = libmultipath.so
LIBS = $(DEVLIB).$(SONAME)
LIBDEPS = -lpthread -ldl -ldevmapper -ludev -L$(mpathcmddir) -lmpathcmd
-CFLAGS += -fPIC -I$(mpathcmddir)
+CFLAGS += -fPIC -I$(mpathcmddir) -I$(mpathpersistdir)
OBJS = memory.o parser.o vector.o devmapper.o \
hwtable.o blacklist.o util.o dmparser.o config.o \
Index: multipath-tools-130222/libmultipath/dict.c
===================================================================
--- multipath-tools-130222.orig/libmultipath/dict.c
+++ multipath-tools-130222/libmultipath/dict.c
@@ -23,6 +23,8 @@
#include "util.h"
#include "prkey.h"
#include <inttypes.h>
+#include <libudev.h>
+#include <mpath_persist.h>
/*
* default block handlers
@@ -557,6 +559,7 @@ def_reservation_key_handler(vector strve
{
char *buff;
uint64_t prkey = 0;
+ uint8_t flags;
buff = set_value(strvec);
if (!buff)
@@ -568,12 +571,13 @@ def_reservation_key_handler(vector strve
FREE(buff);
return 0;
}
- else if (parse_prkey(buff, &prkey) != 0) {
+ else if (parse_prkey_flags(buff, &prkey, &flags) != 0) {
FREE(buff);
return 1;
}
conf->prkey_source = PRKEY_SOURCE_CONF;
+ conf->sa_flags = flags;
put_be64(conf->reservation_key, prkey);
FREE(buff);
return 0;
@@ -2403,6 +2407,7 @@ mp_reservation_key_handler (vector strve
char *buff;
struct mpentry *mpe = VECTOR_LAST_SLOT(conf->mptable);
uint64_t prkey;
+ uint8_t flags;
if (!mpe)
return 1;
@@ -2417,12 +2422,13 @@ mp_reservation_key_handler (vector strve
FREE(buff);
return 0;
}
- else if (parse_prkey(buff, &prkey) != 0) {
+ else if (parse_prkey_flags(buff, &prkey, &flags) != 0) {
FREE(buff);
return 1;
}
mpe->prkey_source = PRKEY_SOURCE_CONF;
+ mpe->sa_flags = flags;
put_be64(mpe->reservation_key, prkey);
FREE(buff);
return 0;
@@ -2838,14 +2844,17 @@ snprint_mp_prio_args(char * buff, int le
static int
snprint_mp_reservation_key (char * buff, int len, void * data)
{
+ char *flagstr = "";
struct mpentry * mpe = (struct mpentry *)data;
if (mpe->prkey_source == PRKEY_SOURCE_NONE)
return 0;
if (mpe->prkey_source == PRKEY_SOURCE_FILE)
return snprintf(buff, len, "file");
- return snprintf(buff, len, "0x%" PRIx64,
- get_be64(mpe->reservation_key));
+ if (mpe->sa_flags == MPATH_F_APTPL_MASK)
+ flagstr = ":aptpl";
+ return snprintf(buff, len, "0x%" PRIx64 "%s",
+ get_be64(mpe->reservation_key), flagstr);
}
static int
@@ -3716,12 +3725,15 @@ snprint_def_prkeys_file (char * buff, in
static int
snprint_def_reservation_key(char * buff, int len, void * data)
{
+ char *flagstr = "";
if (conf->prkey_source == PRKEY_SOURCE_NONE)
return 0;
if (conf->prkey_source == PRKEY_SOURCE_FILE)
return snprintf(buff, len, "file");
- return snprintf(buff, len, "0x%" PRIx64,
- get_be64(conf->reservation_key));
+ if (conf->sa_flags == MPATH_F_APTPL_MASK)
+ flagstr = ":aptpl";
+ return snprintf(buff, len, "0x%" PRIx64 "%s",
+ get_be64(conf->reservation_key), flagstr);
}
static int
Index: multipath-tools-130222/libmpathpersist/mpath_persist.c
===================================================================
--- multipath-tools-130222.orig/libmpathpersist/mpath_persist.c
+++ multipath-tools-130222/libmpathpersist/mpath_persist.c
@@ -295,7 +295,8 @@ int mpath_persistent_reserve_out ( int f
rq_servact == MPATH_PROUT_REG_SA) ||
rq_servact == MPATH_PROUT_REG_IGN_SA)) {
memcpy(&mpp->reservation_key, paramp->sa_key, 8);
- if (update_prkey(alias, get_be64(mpp->reservation_key))) {
+ if (update_prkey_flags(alias, get_be64(mpp->reservation_key),
+ paramp->sa_flags)) {
condlog(0, "%s: failed to set prkey for multipathd.",
alias);
ret = MPATH_PR_DMMP_ERROR;
Index: multipath-tools-130222/libmpathpersist/mpath_updatepr.c
===================================================================
--- multipath-tools-130222.orig/libmpathpersist/mpath_updatepr.c
+++ multipath-tools-130222/libmpathpersist/mpath_updatepr.c
@@ -15,6 +15,8 @@
#include <mpath_cmd.h>
#include <uxsock.h>
#include "memory.h"
+#include <libudev.h>
+#include <mpath_persist.h>
unsigned long mem_allocated; /* Total memory used in Bytes */
@@ -54,11 +56,15 @@ int update_prflag(char *mapname, int set
return do_update_pr(mapname, (set)? "setprstatus" : "unsetprstatus");
}
-int update_prkey(char *mapname, uint64_t prkey) {
+int update_prkey_flags(char *mapname, uint64_t prkey, uint8_t sa_flags) {
char str[256];
+ char *flagstr = "";
+ if (sa_flags & MPATH_F_APTPL_MASK)
+ flagstr = ":aptpl";
if (prkey)
- snprintf(str, sizeof(str), "setprkey key %" PRIx64, prkey);
+ snprintf(str, sizeof(str), "setprkey key %" PRIx64 "%s", prkey,
+ flagstr);
else
snprintf(str, sizeof(str), "unsetprkey");
return do_update_pr(mapname, str);
Index: multipath-tools-130222/libmpathpersist/mpathpr.h
===================================================================
--- multipath-tools-130222.orig/libmpathpersist/mpathpr.h
+++ multipath-tools-130222/libmpathpersist/mpathpr.h
@@ -50,7 +50,8 @@ int send_prout_activepath(char * dev, in
unsigned int rq_type, struct prout_param_descriptor * paramp, int noisy);
int update_prflag(char *mapname, int set);
-int update_prkey(char *mapname, uint64_t prkey);
+int update_prkey_flags(char *mapname, uint64_t prkey, uint8_t sa_flags);
+#define update_prkey(mapname, prkey) update_prkey_flags(mapname, prkey, 0)
void * mpath_alloc_prin_response(int prin_sa);
int update_map_pr(struct multipath *mpp);
int devt2devname (char *devname, char *devt);
Index: multipath-tools-130222/libmultipath/prkey.c
===================================================================
--- multipath-tools-130222.orig/libmultipath/prkey.c
+++ multipath-tools-130222/libmultipath/prkey.c
@@ -11,6 +11,8 @@
#include <string.h>
#include <inttypes.h>
#include <errno.h>
+#include <libudev.h>
+#include <mpath_persist.h>
#define KEYSIZE 19
#define PRKEY_READ 0
@@ -109,7 +111,7 @@ static int do_prkey(int fd, char *wwid,
return 0;
}
-int get_prkey(struct multipath *mpp, uint64_t *prkey)
+int get_prkey(struct multipath *mpp, uint64_t *prkey, uint8_t *sa_flags)
{
int fd;
int unused;
@@ -125,6 +127,9 @@ int get_prkey(struct multipath *mpp, uin
ret = do_prkey(fd, mpp->wwid, keystr, PRKEY_READ);
if (ret)
goto out_file;
+ *sa_flags = 0;
+ if (strchr(keystr, 'X'))
+ *sa_flags = MPATH_F_APTPL_MASK;
ret = !!parse_prkey(keystr, prkey);
out_file:
close(fd);
@@ -132,7 +137,7 @@ out:
return ret;
}
-int set_prkey(struct multipath *mpp, uint64_t prkey)
+int set_prkey(struct multipath *mpp, uint64_t prkey, uint8_t sa_flags)
{
int fd;
int can_write = 1;
@@ -142,6 +147,12 @@ int set_prkey(struct multipath *mpp, uin
if (!strlen(mpp->wwid))
goto out;
+ if (sa_flags & ~MPATH_F_APTPL_MASK) {
+ condlog(0, "unsupported pr flags, 0x%x",
+ sa_flags & ~MPATH_F_APTPL_MASK);
+ sa_flags &= MPATH_F_APTPL_MASK;
+ }
+
fd = open_file(conf->prkeys_file, &can_write, PRKEYS_FILE_HEADER);
if (fd < 0)
goto out;
@@ -150,7 +161,15 @@ int set_prkey(struct multipath *mpp, uin
goto out_file;
}
if (prkey) {
- snprintf(keystr, KEYSIZE, "0x%016" PRIx64, prkey);
+ /* using the capitalization of the 'x' is a hack, but
+ * it's unlikely that mpath_persist will support more options
+ * since sg_persist doesn't, and this lets us keep the
+ * same file format as before instead of needing to change
+ * the format of the prkeys file */
+ if (sa_flags)
+ snprintf(keystr, KEYSIZE, "0X%016" PRIx64, prkey);
+ else
+ snprintf(keystr, KEYSIZE, "0x%016" PRIx64, prkey);
keystr[KEYSIZE - 1] = '\0';
ret = do_prkey(fd, mpp->wwid, keystr, PRKEY_WRITE);
}
Index: multipath-tools-130222/libmultipath/prkey.h
===================================================================
--- multipath-tools-130222.orig/libmultipath/prkey.h
+++ multipath-tools-130222/libmultipath/prkey.h
@@ -13,7 +13,7 @@
"# prkey wwid\n" \
"#\n"
-int set_prkey(struct multipath *mpp, uint64_t prkey);
-int get_prkey(struct multipath *mpp, uint64_t *prkey);
+int set_prkey(struct multipath *mpp, uint64_t prkey, uint8_t sa_flags);
+int get_prkey(struct multipath *mpp, uint64_t *prkey, uint8_t *sa_flags);
#endif /* _PRKEY_H */
Index: multipath-tools-130222/libmultipath/propsel.c
===================================================================
--- multipath-tools-130222.orig/libmultipath/propsel.c
+++ multipath-tools-130222/libmultipath/propsel.c
@@ -20,6 +20,8 @@
#include "prioritizers/alua_rtpg.h"
#include "prkey.h"
#include <inttypes.h>
+#include <libudev.h>
+#include <mpath_persist.h>
pgpolicyfn *pgpolicies[] = {
NULL,
@@ -715,10 +717,12 @@ select_reservation_key (struct multipath
uint64_t prkey;
char *origin = NULL;
char *from_file = "";
+ 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