mirror of https://github.com/schoebel/mars
75 lines
1.7 KiB
C
75 lines
1.7 KiB
C
/*
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* MARS Long Distance Replication Software
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*
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* This file is part of MARS project: http://schoebel.github.io/mars/
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*
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* Copyright (C) 2010-2014 Thomas Schoebel-Theuer
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* Copyright (C) 2011-2014 1&1 Internet AG
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MARS_SIO_H
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#define MARS_SIO_H
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#include "lib_mapfree.h"
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#define WITH_THREAD 16
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struct sio_mref_aspect {
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GENERIC_ASPECT(mref);
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struct list_head io_head;
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int alloc_len;
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bool do_dealloc;
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};
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struct sio_brick {
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MARS_BRICK(sio);
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// parameters
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bool o_direct;
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bool o_fdsync;
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};
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struct sio_input {
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MARS_INPUT(sio);
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};
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struct sio_threadinfo {
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struct sio_output *output;
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struct list_head mref_list;
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struct task_struct *thread;
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wait_queue_head_t event;
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spinlock_t lock;
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atomic_t queue_count;
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atomic_t fly_count;
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atomic_t total_count;
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unsigned long last_jiffies;
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};
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struct sio_output {
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MARS_OUTPUT(sio);
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// private
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struct mapfree_info *mf;
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struct sio_threadinfo tinfo[WITH_THREAD+1];
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spinlock_t g_lock;
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atomic_t work_count;
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int index;
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int error;
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};
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MARS_TYPES(sio);
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#endif
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