OpenAFS
OpenAFS distributed network file system
/cygdrive/c/src/openafs/openafs.git/repo/src/afs/LINUX/osi_pagecopy.h
00001 /*
00002  * Copyright (c) 2009 Simon Wilkinson. All rights reserved.
00003  *
00004  * Redistribution and use in source and binary forms, with or without
00005  * modification, are permitted provided that the following conditions
00006  * are met:
00007  * 1. Redistributions of source code must retain the above copyright
00008  *    notice, this list of conditions and the following disclaimer.
00009  * 2. Redistributions in binary form must reproduce the above copyright
00010  *    notice, this list of conditions and the following disclaimer in the
00011  *    documentation and/or other materials provided with the distribution.
00012  *
00013  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR
00014  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00015  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
00016  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
00017  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
00018  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
00019  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
00020  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00021  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
00022  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00023  */
00024 
00025 #ifndef AFS_LINUX_OSI_PAGECOPY_H
00026 #define AFS_LINUX_OSI_PAGECOPY_H
00027 
00028 struct afs_pagecopy_task;
00029 
00030 struct afs_pagecopy_task *afs_pagecopy_init_task(void);
00031 
00032 void afs_pagecopy_queue_page(struct afs_pagecopy_task *task,
00033                              struct page *cachepage,
00034                              struct page *afspage);
00035 
00036 void afs_pagecopy_put_task(struct afs_pagecopy_task *task);
00037 
00038 void afs_init_pagecopy(void);
00039 
00040 void afs_shutdown_pagecopy(void);
00041 
00042 #endif
00043 
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