device-mapper-multipath-0.4.9-23
Add 0024-RH-libudev-monitor.patch Resolves: BZ #805493
This commit is contained in:
Benjamin Marzinski
parent
8d4916400c
commit
c0b04511d5
205
0024-RH-libudev-monitor.patch
Normal file
205
0024-RH-libudev-monitor.patch
Normal file
@ -0,0 +1,205 @@
|
||||
---
|
||||
libmultipath/Makefile | 2
|
||||
libmultipath/uevent.c | 151 ++++++++++++++++++++++++++++++++++++++++++++------
|
||||
2 files changed, 134 insertions(+), 19 deletions(-)
|
||||
|
||||
Index: multipath-tools-120123/libmultipath/Makefile
|
||||
===================================================================
|
||||
--- multipath-tools-120123.orig/libmultipath/Makefile
|
||||
+++ multipath-tools-120123/libmultipath/Makefile
|
||||
@@ -7,7 +7,7 @@ include ../Makefile.inc
|
||||
SONAME=0
|
||||
DEVLIB = libmultipath.so
|
||||
LIBS = $(DEVLIB).$(SONAME)
|
||||
-LIBDEPS = -lpthread -ldl -ldevmapper
|
||||
+LIBDEPS = -lpthread -ldl -ldevmapper -ludev
|
||||
|
||||
OBJS = memory.o parser.o vector.o devmapper.o callout.o \
|
||||
hwtable.o blacklist.o util.o dmparser.o config.o \
|
||||
Index: multipath-tools-120123/libmultipath/uevent.c
|
||||
===================================================================
|
||||
--- multipath-tools-120123.orig/libmultipath/uevent.c
|
||||
+++ multipath-tools-120123/libmultipath/uevent.c
|
||||
@@ -39,6 +39,7 @@
|
||||
#include <pthread.h>
|
||||
#include <limits.h>
|
||||
#include <sys/mman.h>
|
||||
+#include <libudev.h>
|
||||
#include <errno.h>
|
||||
|
||||
#include "memory.h"
|
||||
@@ -161,7 +162,7 @@ int uevent_dispatch(int (*uev_trigger)(s
|
||||
return 0;
|
||||
}
|
||||
|
||||
-int uevent_listen(void)
|
||||
+int failback_listen(void)
|
||||
{
|
||||
int sock;
|
||||
struct sockaddr_nl snl;
|
||||
@@ -173,20 +174,6 @@ int uevent_listen(void)
|
||||
int rcvszsz = sizeof(rcvsz);
|
||||
unsigned int *prcvszsz = (unsigned int *)&rcvszsz;
|
||||
const int feature_on = 1;
|
||||
-
|
||||
- /*
|
||||
- * Queue uevents for service by dedicated thread so that the uevent
|
||||
- * listening thread does not block on multipathd locks (vecs->lock)
|
||||
- * thereby not getting to empty the socket's receive buffer queue
|
||||
- * often enough.
|
||||
- */
|
||||
- INIT_LIST_HEAD(&uevq);
|
||||
-
|
||||
- pthread_mutex_init(uevq_lockp, NULL);
|
||||
- pthread_cond_init(uev_condp, NULL);
|
||||
-
|
||||
- pthread_cleanup_push(uevq_stop, NULL);
|
||||
-
|
||||
/*
|
||||
* First check whether we have a udev socket
|
||||
*/
|
||||
@@ -382,13 +369,141 @@ int uevent_listen(void)
|
||||
|
||||
exit:
|
||||
close(sock);
|
||||
+ return 1;
|
||||
+}
|
||||
|
||||
- pthread_cleanup_pop(1);
|
||||
+int uevent_listen(void)
|
||||
+{
|
||||
+ int err;
|
||||
+ struct udev *udev = NULL;
|
||||
+ struct udev_monitor *monitor = NULL;
|
||||
+ int fd, socket_flags;
|
||||
+ int need_failback = 0;
|
||||
+ /*
|
||||
+ * Queue uevents for service by dedicated thread so that the uevent
|
||||
+ * listening thread does not block on multipathd locks (vecs->lock)
|
||||
+ * thereby not getting to empty the socket's receive buffer queue
|
||||
+ * often enough.
|
||||
+ */
|
||||
+ INIT_LIST_HEAD(&uevq);
|
||||
+
|
||||
+ pthread_mutex_init(uevq_lockp, NULL);
|
||||
+ pthread_cond_init(uev_condp, NULL);
|
||||
+ pthread_cleanup_push(uevq_stop, NULL);
|
||||
+
|
||||
+ udev = udev_new();
|
||||
+ if (!udev) {
|
||||
+ condlog(2, "failed to create udev context");
|
||||
+ need_failback = 1;
|
||||
+ goto out;
|
||||
+ }
|
||||
+ monitor = udev_monitor_new_from_netlink(udev, "udev");
|
||||
+ if (!monitor) {
|
||||
+ condlog(2, "failed to create udev monitor");
|
||||
+ need_failback = 1;
|
||||
+ goto out;
|
||||
+ }
|
||||
+ if (udev_monitor_set_receive_buffer_size(monitor, 128 * 1024 * 1024))
|
||||
+ condlog(2, "failed to increase buffer size");
|
||||
+ fd = udev_monitor_get_fd(monitor);
|
||||
+ socket_flags = fcntl(fd, F_GETFL);
|
||||
+ if (socket_flags < 0) {
|
||||
+ condlog(2, "failed to get monitor socket flags : %s",
|
||||
+ strerror(errno));
|
||||
+ need_failback = 1;
|
||||
+ goto out;
|
||||
+ }
|
||||
+ if (fcntl(fd, F_SETFL, socket_flags & ~O_NONBLOCK) < 0) {
|
||||
+ condlog(2, "failed to set monitor socket flags : %s",
|
||||
+ strerror(errno));
|
||||
+ need_failback = 1;
|
||||
+ goto out;
|
||||
+ }
|
||||
+ err = udev_monitor_filter_add_match_subsystem_devtype(monitor, "block",
|
||||
+ NULL);
|
||||
+ if (err)
|
||||
+ condlog(2, "failed to create filter : %s\n", strerror(-err));
|
||||
+ err = udev_monitor_enable_receiving(monitor);
|
||||
+ if (err) {
|
||||
+ condlog(2, "failed to enable receiving : %s\n", strerror(-err));
|
||||
+ need_failback = 1;
|
||||
+ goto out;
|
||||
+ }
|
||||
+ while (1) {
|
||||
+ int i = 0;
|
||||
+ char *pos, *end;
|
||||
+ struct uevent *uev;
|
||||
+ struct udev_device *dev;
|
||||
+ struct udev_list_entry *list_entry;
|
||||
+
|
||||
+ dev = udev_monitor_receive_device(monitor);
|
||||
+ if (!dev) {
|
||||
+ condlog(0, "failed getting udev device");
|
||||
+ continue;
|
||||
+ }
|
||||
|
||||
+ uev = alloc_uevent();
|
||||
+ if (!uev) {
|
||||
+ condlog(1, "lost uevent, oom");
|
||||
+ continue;
|
||||
+ }
|
||||
+ pos = uev->buffer;
|
||||
+ end = pos + HOTPLUG_BUFFER_SIZE + OBJECT_SIZE - 1;
|
||||
+ udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(dev)) {
|
||||
+ const char *name, *value;
|
||||
+ int bytes;
|
||||
+
|
||||
+ name = udev_list_entry_get_name(list_entry);
|
||||
+ value = udev_list_entry_get_value(list_entry);
|
||||
+ bytes = snprintf(pos, end - pos, "%s=%s", name,
|
||||
+ value);
|
||||
+ if (pos + bytes >= end) {
|
||||
+ condlog(2, "buffer overflow for uevent");
|
||||
+ break;
|
||||
+ }
|
||||
+ uev->envp[i] = pos;
|
||||
+ pos += bytes;
|
||||
+ *pos = '\0';
|
||||
+ pos++;
|
||||
+ if (strcmp(name, "DEVPATH") == 0)
|
||||
+ uev->devpath = uev->envp[i] + 8;
|
||||
+ if (strcmp(name, "ACTION") == 0)
|
||||
+ uev->action = uev->envp[i] + 7;
|
||||
+ i++;
|
||||
+ if (i == HOTPLUG_NUM_ENVP - 1)
|
||||
+ break;
|
||||
+ }
|
||||
+ udev_device_unref(dev);
|
||||
+ uev->envp[i] = NULL;
|
||||
+
|
||||
+ condlog(3, "uevent '%s' from '%s'", uev->action, uev->devpath);
|
||||
+ uev->kernel = strrchr(uev->devpath, '/');
|
||||
+ if (uev->kernel)
|
||||
+ uev->kernel++;
|
||||
+
|
||||
+ /* print payload environment */
|
||||
+ for (i = 0; uev->envp[i] != NULL; i++)
|
||||
+ condlog(5, "%s", uev->envp[i]);
|
||||
+
|
||||
+ /*
|
||||
+ * Queue uevent and poke service pthread.
|
||||
+ */
|
||||
+ pthread_mutex_lock(uevq_lockp);
|
||||
+ list_add_tail(&uev->node, &uevq);
|
||||
+ pthread_cond_signal(uev_condp);
|
||||
+ pthread_mutex_unlock(uevq_lockp);
|
||||
+ }
|
||||
+out:
|
||||
+ if (monitor)
|
||||
+ udev_monitor_unref(monitor);
|
||||
+ if (udev)
|
||||
+ udev_unref(udev);
|
||||
+ if (need_failback)
|
||||
+ err = failback_listen();
|
||||
+ pthread_cleanup_pop(1);
|
||||
pthread_mutex_destroy(uevq_lockp);
|
||||
pthread_cond_destroy(uev_condp);
|
||||
-
|
||||
- return 1;
|
||||
+ return err;
|
||||
}
|
||||
|
||||
extern int
|
||||
@ -1,7 +1,7 @@
|
||||
Summary: Tools to manage multipath devices using device-mapper
|
||||
Name: device-mapper-multipath
|
||||
Version: 0.4.9
|
||||
Release: 22%{?dist}
|
||||
Release: 23%{?dist}
|
||||
License: GPL+
|
||||
Group: System Environment/Base
|
||||
URL: http://christophe.varoqui.free.fr/
|
||||
@ -31,6 +31,7 @@ Patch0020: 0020-RH-dont-remove-map-twice.patch
|
||||
Patch0021: 0021-RH-validate-guid-partitions.patch
|
||||
Patch0022: 0022-RH-adjust-messages.patch
|
||||
Patch0023: 0023-RH-manpage-update.patch
|
||||
Patch0024: 0024-RH-libudev-monitor.patch
|
||||
|
||||
# runtime
|
||||
Requires: %{name}-libs = %{version}-%{release}
|
||||
@ -106,6 +107,7 @@ kpartx manages partition creation and removal for device-mapper devices.
|
||||
%patch0021 -p1
|
||||
%patch0022 -p1
|
||||
%patch0023 -p1
|
||||
%patch0024 -p1
|
||||
cp %{SOURCE1} .
|
||||
|
||||
%build
|
||||
@ -196,6 +198,9 @@ bin/systemctl --no-reload enable multipathd.service >/dev/null 2>&1 ||:
|
||||
%{_mandir}/man8/kpartx.8.gz
|
||||
|
||||
%changelog
|
||||
* Mon Apr 30 2012 Benjamin Marzinski <bmarzins@redhat.com> 0.4.9-23
|
||||
- Add 0024-RH-libudev-monitor.patch
|
||||
|
||||
* Fri Feb 10 2012 Benjamin Marzinski <bmarzins@redhat.com> 0.4.9-22
|
||||
- Add 0012-RH-update-on-show-topology.patch
|
||||
- Add 0013-RH-manpage-update.patch
|
||||
|
||||
Loading…
Reference in New Issue
Block a user