- removed old trash which probably was committed along with copyrighting effort.

lustre/include/lustre_commit_confd.h

-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
- * GPL HEADER START
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 only,
- * as published by the Free Software Foundation.
- *
- * This program 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 version 2 for more details (a copy is included
- * in the LICENSE file that accompanied this code).
- *
- * You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- *
- * GPL HEADER END
- */
-/*
- * Copyright  2008 Sun Microsystems, Inc. All rights reserved
- * Use is subject to license terms.
- */
-/*
- * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
- *
- * lustre/include/lustre_commit_confd.h
- *
- * Structures relating to the log commit thread.
- */
-
-#ifndef _LUSTRE_COMMIT_CONFD_H
-#define _LUSTRE_COMMIT_CONFD_H
-
-#include <lustre_log.h>
-
-struct llog_canceld_ctxt {
-        struct list_head           llcd_list;  /* free or pending struct list */
-        struct llog_ctxt          *llcd_ctxt;
-        struct llog_commit_master *llcd_lcm;
-        int                        llcd_size;
-        int                        llcd_cookiebytes;
-        struct llog_cookie         llcd_cookies[0];
-};
-
-struct llog_commit_master {
-        struct list_head        lcm_thread_busy;  /* list of busy daemons */
-        struct list_head        lcm_thread_idle;  /* list of idle daemons */
-        spinlock_t              lcm_thread_lock;  /* protects thread_list */
-        atomic_t                lcm_thread_numidle;/* number of idle threads */
-        atomic_t                lcm_thread_total; /* total number of threads */
-        int                     lcm_thread_max;   /* <= num_osts normally */
-
-        int                     lcm_flags;
-        cfs_waitq_t             lcm_waitq;
-
-        struct list_head        lcm_llcd_pending; /* llog_canceld_ctxt to send */
-        struct list_head        lcm_llcd_resend;  /* try to resend this data */
-        struct list_head        lcm_llcd_free;    /* free llog_canceld_ctxt */
-        spinlock_t              lcm_llcd_lock;    /* protects llcd_free */
-        atomic_t                lcm_llcd_numfree; /* items on llcd_free */
-        int                     lcm_llcd_minfree; /* min free on llcd_free */
-        int                     lcm_llcd_maxfree; /* max free on llcd_free */
-};
-
-#define LLOG_LCM_FL_EXIT        0x01
-#define LLOG_LCM_FL_EXIT_FORCE  0x02
-
-/* the thread data that collects local commits and makes rpc's */
-struct llog_commit_daemon {
-        struct list_head           lcd_lcm_list;  /* list of daemon threads */
-        struct list_head           lcd_llcd_list; /* list of pending RPCs */
-        struct llog_commit_master *lcd_lcm;       /* pointer back to parent */
-        int                        lcd_index;     /* the index of the llog daemon */
-};
-
-/* ptlrpc/recov_thread.c */
-int llog_start_commit_thread(struct llog_commit_master *);
-
-int llog_init_commit_master(struct llog_commit_master *);
-int llog_cleanup_commit_master(struct llog_commit_master *lcm, int force);
-#endif /* _LUSTRE_COMMIT_CONFD_H */

lustre/mds/commit_confd.c

-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
- * GPL HEADER START
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 only,
- * as published by the Free Software Foundation.
- *
- * This program 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 version 2 for more details (a copy is included
- * in the LICENSE file that accompanied this code).
- *
- * You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- *
- * GPL HEADER END
- */
-/*
- * Copyright  2008 Sun Microsystems, Inc. All rights reserved
- * Use is subject to license terms.
- */
-/*
- * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
- */
-
-void commit_add(struct )
-{
-        struct obd_import *import = commit_uuid2import(rec->  uuid);
-
-        if (!import) {
-                CERROR("unaware of OST UUID %s - dorpping\n", rec-> uuid);
-                EXIT;
-                return;
-        }
-
-        spin_lock(&import->llcconf_lock);
-        list_add(&rec->  &import);
-        spin_unlock(&import->llcconf_lock);
-        EXIT;
-        return;
-}
-
-void commit_confd_conf_import(struct obd_import *import,
-                              struct llog_commit_confirm_daemon *lccd)
-{
-        struct list_head *tmp, *save;
-
-
-        list_for_each_safe(&import->import_cc_list, tmp, save) {
-                struct llog_canceld_ctxt *cd;
-
-                if (atomic_read(import->import_cc_count) <=
-                    lccd->llcconf_lowwater)
-                        break;
-
-                cd = list_entry(tmp, struct llog_canceld_ctxt *, llcconf_entry);
-                atomic_dec(&import->import_cc_count);
-                commit_confd_add_and_fire(cd);
-        }
-        EXIT;
-        return;
-}
-
-
-int commit_confd_main(void *data)
-{
-        struct llog_commit_confirm_daemon *lccd = data;
-
-        while (1) {
-                /* something has happened */
-                event_wait();
-
-                if (lccd->flags & LCCD_STOP)
-                        break;
-
-
-                /* lock llccd imporlist */
-                spin_lock(&lccd->llcconf_lock);
-                list_for_each_safe(&lccd->llcconf_list,   ) {
-                        struct obd_import *import;
-                        import = list_entry(&lccd->llcconf_list,
-                                            struct obd_import,
-                                            import_entry);
-                        get_import(import);
-                        spin_unlock(&lccd->llcconf_lock);
-                        if (atomic_read(import->import_cc_count) >
-                            lccd->llcconf_highwater)
-                                commit_confd_conf_import(import);
-                        put_import(import);
-                        spin_lock(&lccd->llcconf_lock);
-
-                }
-                spin_unlock(&lccd->llcconf_lock);
-
-        }
-
-        lccd->flags = LCCD_STOPPED;
-        RETURN(0);
-}