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Red Hat Bugzilla – Attachment 158327 Details for
Bug 244708
flock/dlm conflict causing slow file locking on gfs nodes
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[patch]
Working nagle patch
lowcomms.nagle.patch (text/plain), 3.69 KB, created by
Christine Caulfield
on 2007-07-02 10:47:07 UTC
(
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Description:
Working nagle patch
Filename:
MIME Type:
Creator:
Christine Caulfield
Created:
2007-07-02 10:47:07 UTC
Size:
3.69 KB
patch
obsolete
>? dlm-kernel/src/.ast.o.cmd >? dlm-kernel/src/.config.o.cmd >? dlm-kernel/src/.device.o.cmd >? dlm-kernel/src/.dir.o.cmd >? dlm-kernel/src/.dlm.ko.cmd >? dlm-kernel/src/.dlm.mod.o.cmd >? dlm-kernel/src/.dlm.o.cmd >? dlm-kernel/src/.lkb.o.cmd >? dlm-kernel/src/.locking.o.cmd >? dlm-kernel/src/.lockqueue.c.swp >? dlm-kernel/src/.lockqueue.o.cmd >? dlm-kernel/src/.lockspace.o.cmd >? dlm-kernel/src/.lowcomms.o.cmd >? dlm-kernel/src/.main.o.cmd >? dlm-kernel/src/.memory.o.cmd >? dlm-kernel/src/.midcomms.o.cmd >? dlm-kernel/src/.nfs00000000013b437500000001 >? dlm-kernel/src/.nodes.o.cmd >? dlm-kernel/src/.proc.o.cmd >? dlm-kernel/src/.queries.o.cmd >? dlm-kernel/src/.rebuild.o.cmd >? dlm-kernel/src/.reccomms.o.cmd >? dlm-kernel/src/.recover.o.cmd >? dlm-kernel/src/.recoverd.o.cmd >? dlm-kernel/src/.rsb.o.cmd >? dlm-kernel/src/.tmp_versions >? dlm-kernel/src/.util.o.cmd >? dlm-kernel/src/cnxman-socket.h >? dlm-kernel/src/cnxman.h >? dlm-kernel/src/dlm.ko >? dlm-kernel/src/dlm.mod.c >? dlm-kernel/src/lowcomms.c.chrissie >? dlm-kernel/src/lowcomms.c.debug >? dlm-kernel/src/lowcomms.c.pjc >? dlm-kernel/src/lowcomms.c.printks >? dlm-kernel/src/lowcomms.c.sctp >? dlm-kernel/src/service.h >Index: dlm-kernel/src/config.c >=================================================================== >RCS file: /cvs/cluster/cluster/dlm-kernel/src/Attic/config.c,v >retrieving revision 1.6.2.1 >diff -u -p -r1.6.2.1 config.c >--- dlm-kernel/src/config.c 10 May 2005 14:42:53 -0000 1.6.2.1 >+++ dlm-kernel/src/config.c 2 Jul 2007 10:44:11 -0000 >@@ -20,6 +20,7 @@ > > /* Config file defaults */ > #define DEFAULT_TCP_PORT 21064 >+#define DEFAULT_TCP_NODELAY 0 > #define DEFAULT_LOCK_TIMEOUT 30 > #define DEFAULT_BUFFER_SIZE 4096 > #define DEFAULT_RSBTBL_SIZE 256 >@@ -31,6 +32,7 @@ > > struct config_info dlm_config = { > .tcp_port = DEFAULT_TCP_PORT, >+ .tcp_nodelay = DEFAULT_TCP_NODELAY, > .lock_timeout = DEFAULT_LOCK_TIMEOUT, > .buffer_size = DEFAULT_BUFFER_SIZE, > .rsbtbl_size = DEFAULT_RSBTBL_SIZE, >@@ -51,6 +53,10 @@ static struct config_proc_info { > .value = &dlm_config.tcp_port, > }, > { >+ .name = "tcp_nodelay", >+ .value = &dlm_config.tcp_nodelay, >+ }, >+ { > .name = "lock_timeout", > .value = &dlm_config.lock_timeout, > }, >Index: dlm-kernel/src/config.h >=================================================================== >RCS file: /cvs/cluster/cluster/dlm-kernel/src/Attic/config.h,v >retrieving revision 1.6 >diff -u -p -r1.6 config.h >--- dlm-kernel/src/config.h 4 Oct 2004 07:51:33 -0000 1.6 >+++ dlm-kernel/src/config.h 2 Jul 2007 10:44:11 -0000 >@@ -16,6 +16,7 @@ > > struct config_info { > int tcp_port; >+ int tcp_nodelay; > int lock_timeout; > int buffer_size; > int rsbtbl_size; >Index: dlm-kernel/src/lowcomms.c >=================================================================== >RCS file: /cvs/cluster/cluster/dlm-kernel/src/Attic/lowcomms.c,v >retrieving revision 1.22.2.14 >diff -u -p -r1.22.2.14 lowcomms.c >--- dlm-kernel/src/lowcomms.c 27 Jun 2007 10:39:40 -0000 1.22.2.14 >+++ dlm-kernel/src/lowcomms.c 2 Jul 2007 10:44:11 -0000 >@@ -584,6 +584,16 @@ static int connect_to_sock(struct connec > > make_sockaddr(&saddr, dlm_config.tcp_port, &addr_len); > >+ if (dlm_config.tcp_nodelay) { >+ int one = 1; >+ mm_segment_t fs; >+ >+ fs = get_fs(); >+ set_fs(get_ds()); >+ >+ tcp_setsockopt(sock->sk, SOL_TCP, TCP_NODELAY, (char *)&one, sizeof(one)); >+ set_fs(fs); >+ } > add_sock(sock, con); > > log_debug2("connecting to %d", con->nodeid); >@@ -639,6 +649,10 @@ static struct socket *create_listen_sock > > fs = get_fs(); > set_fs(get_ds()); >+ >+ if (dlm_config.tcp_nodelay) >+ result = tcp_setsockopt(sock->sk, SOL_TCP, TCP_NODELAY, (char *)&one, sizeof(one)); >+ > result = sock_setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (char *)&one, sizeof(one)); > set_fs(fs); > if (result < 0) {
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bug 244708
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