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authorAmar Tumballi <amar@gluster.com>2010-09-28 06:11:07 +0000
committerVijay Bellur <vijay@dev.gluster.com>2010-09-29 06:17:42 -0700
commit9406c06522f9e8ef8ee73f6da55937cb1fa04d22 (patch)
tree97e30c3ba65fe11ecf45b9a88fb8ab1b9f3afc58 /xlators/features/quiesce/src/quiesce.h
parent3702814c02c0789d8b65b4f096cd0d37947eef3f (diff)
features/quiesce: new translator
'Quiesce' is used to describe pausing or altering the state of running processes on a computer In GlusterFS context, this translator looks for CHILD_DOWN/CHILD_UP events, and will hold the requests for some time if the child node is in disconnected state current timeout is 20seconds, will be made tunable soon Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 1500 (Mount point should not be in-accessible between reconnect to server) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1500
Diffstat (limited to 'xlators/features/quiesce/src/quiesce.h')
-rw-r--r--xlators/features/quiesce/src/quiesce.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/xlators/features/quiesce/src/quiesce.h b/xlators/features/quiesce/src/quiesce.h
new file mode 100644
index 000000000..2ff7032ef
--- /dev/null
+++ b/xlators/features/quiesce/src/quiesce.h
@@ -0,0 +1,37 @@
+/*
+ Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com>
+ This file is part of GlusterFS.
+
+ GlusterFS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published
+ by the Free Software Foundation; either version 3 of the License,
+ or (at your option) any later version.
+
+ GlusterFS is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see
+ <http://www.gnu.org/licenses/>.
+*/
+
+
+#ifndef __QUIESCE_H__
+#define __QUIESCE_H__
+
+#include "quiesce-mem-types.h"
+#include "xlator.h"
+#include "timer.h"
+
+typedef struct {
+ gf_timer_t *timer;
+ gf_boolean_t pass_through;
+ gf_lock_t lock;
+ struct list_head req;
+ int queue_size;
+ pthread_t thr;
+} quiesce_priv_t;
+
+#endif