![Dean Hildebrand](/assets/img/avatar_default.png)
This driver just registers itself and supplies trivial mount/umount functions. Signed-off-by: Dean Hildebrand <dhildebz@umich.edu> Signed-off-by: Marc Eshel <eshel@almaden.ibm.com> Signed-off-by: Benny Halevy <bhalevy@panasas.com> Signed-off-by: Fred Isaman <iisaman@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
79 lines
2.5 KiB
C
79 lines
2.5 KiB
C
/*
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* Module for the pnfs nfs4 file layout driver.
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* Defines all I/O and Policy interface operations, plus code
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* to register itself with the pNFS client.
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*
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* Copyright (c) 2002
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* The Regents of the University of Michigan
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* All Rights Reserved
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*
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* Dean Hildebrand <dhildebz@umich.edu>
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*
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* Permission is granted to use, copy, create derivative works, and
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* redistribute this software and such derivative works for any purpose,
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* so long as the name of the University of Michigan is not used in
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* any advertising or publicity pertaining to the use or distribution
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* of this software without specific, written prior authorization. If
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* the above copyright notice or any other identification of the
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* University of Michigan is included in any copy of any portion of
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* this software, then the disclaimer below must also be included.
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*
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* This software is provided as is, without representation or warranty
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* of any kind either express or implied, including without limitation
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* the implied warranties of merchantability, fitness for a particular
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* purpose, or noninfringement. The Regents of the University of
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* Michigan shall not be liable for any damages, including special,
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* indirect, incidental, or consequential damages, with respect to any
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* claim arising out of or in connection with the use of the software,
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* even if it has been or is hereafter advised of the possibility of
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* such damages.
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*/
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#include <linux/nfs_fs.h>
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#include "pnfs.h"
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#define NFSDBG_FACILITY NFSDBG_PNFS_LD
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MODULE_LICENSE("GPL");
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MODULE_AUTHOR("Dean Hildebrand <dhildebz@umich.edu>");
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MODULE_DESCRIPTION("The NFSv4 file layout driver");
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int
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filelayout_initialize_mountpoint(struct nfs_server *nfss)
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{
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return 0;
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}
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int
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filelayout_uninitialize_mountpoint(struct nfs_server *nfss)
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{
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dprintk("--> %s\n", __func__);
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return 0;
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}
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static struct pnfs_layoutdriver_type filelayout_type = {
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.id = LAYOUT_NFSV4_1_FILES,
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.name = "LAYOUT_NFSV4_1_FILES",
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.owner = THIS_MODULE,
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.initialize_mountpoint = filelayout_initialize_mountpoint,
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.uninitialize_mountpoint = filelayout_uninitialize_mountpoint,
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};
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static int __init nfs4filelayout_init(void)
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{
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printk(KERN_INFO "%s: NFSv4 File Layout Driver Registering...\n",
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__func__);
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return pnfs_register_layoutdriver(&filelayout_type);
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}
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static void __exit nfs4filelayout_exit(void)
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{
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printk(KERN_INFO "%s: NFSv4 File Layout Driver Unregistering...\n",
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__func__);
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pnfs_unregister_layoutdriver(&filelayout_type);
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}
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module_init(nfs4filelayout_init);
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module_exit(nfs4filelayout_exit);
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