shaba/lvm2
1
0
Fork 0
mirror of git://sourceware.org/git/lvm2.git synced 2025-02-28 05:57:49 +03:00
Code Releases Activity

Use a real socket for singlenode clvmd to fix clvmd's high cpu load.

Browse Source
This commit is contained in:
Mike Snitzer 2010-03-26 15:45:36 +00:00
parent 1de8da23f5
commit dc2c0b1d51
2 changed files with 24 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
WHATS_NEW
View File

@ -1,5 +1,6 @@
Version 2.02.63 -
================================
Use a real socket for singlenode clvmd to fix clvmd's high cpu load.
Fix clvmd cluster propagation of dmeventd monitoring mode.
Allow ALLOC_ANYWHERE to split contiguous areas.
Use INTERNAL_ERROR for internal errors throughout tree.

26
daemons/clvmd/clvmd-singlenode.c
View File

@ -17,6 +17,7 @@
#include <netinet/in.h>
#include <sys/un.h>
#include <sys/socket.h>
#include <unistd.h>
#include <fcntl.h>
#include <configure.h>
@ -31,18 +32,37 @@
#include "lvm-functions.h"
#include "clvmd.h"
static const char SINGLENODE_CLVMD_SOCKNAME[] = "\0singlenode_clvmd";
static int listen_fd = -1;
static int init_comms()
{
listen_fd = open("/dev/null", O_RDWR);
struct sockaddr_un addr;
if (listen_fd < 0)
listen_fd = socket(PF_UNIX, SOCK_STREAM, 0);
if (listen_fd < 0) {
DEBUGLOG("Can't create local socket: %s\n", strerror(errno));
return -1;
}
/* Set Close-on-exec */
fcntl(listen_fd, F_SETFD, 1);
memset(&addr, 0, sizeof(addr));
memcpy(addr.sun_path, SINGLENODE_CLVMD_SOCKNAME,
sizeof(SINGLENODE_CLVMD_SOCKNAME));
addr.sun_family = AF_UNIX;
if (bind(listen_fd, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
DEBUGLOG("Can't bind local socket: %s\n", strerror(errno));
close(listen_fd);
return -1;
}
if (listen(listen_fd, 10) < 0) {
DEBUGLOG("Can't listen local socket: %s\n", strerror(errno));
close(listen_fd);
return -1;
}
return 0;
}