| 1 | /*************************************************************************** |
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| 2 | * |
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| 3 | * Copyright (C) 2001 International Business Machines |
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| 4 | * All rights reserved. |
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| 5 | * |
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| 6 | * This file is part of the GPFS mmfslinux kernel module. |
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| 7 | * |
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| 8 | * Redistribution and use in source and binary forms, with or without |
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| 9 | * modification, are permitted provided that the following conditions |
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| 10 | * are met: |
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| 11 | * |
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| 12 | * 1. Redistributions of source code must retain the above copyright notice, |
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| 13 | * this list of conditions and the following disclaimer. |
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| 14 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 15 | * notice, this list of conditions and the following disclaimer in the |
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| 16 | * documentation and/or other materials provided with the distribution. |
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| 17 | * 3. The name of the author may not be used to endorse or promote products |
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| 18 | * derived from this software without specific prior written |
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| 19 | * permission. |
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| 20 | * |
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| 21 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 22 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 23 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 24 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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| 25 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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| 26 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
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| 27 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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| 28 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
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| 29 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
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| 30 | * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 31 | * |
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| 32 | *************************************************************************** */ |
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| 33 | /* @(#)02 1.85.1.3 src/avs/fs/mmfs/ts/kernext/gpl-linux/linux2gpfs.h, mmfs, avs_rgpfs24, rgpfs24s007a 10/8/06 03:17:31 */ |
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| 34 | #ifndef _h_linux2gpfs |
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| 35 | #define _h_linux2gpfs |
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| 36 | |
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| 37 | #include <cxiTypes.h> |
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| 38 | #include <Logger-gpl.h> |
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| 39 | |
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| 40 | #ifdef __cplusplus |
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| 41 | #include <prelinux.h> |
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| 42 | #endif |
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| 43 | |
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| 44 | #include <linux/kdev_t.h> |
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| 45 | #include <linux/fs.h> |
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| 46 | |
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| 47 | #ifdef __cplusplus |
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| 48 | #include <postlinux.h> |
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| 49 | #endif |
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| 50 | #include <cxiSystem.h> |
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| 51 | #include <verdep.h> |
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| 52 | |
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| 53 | #ifdef NTRACE |
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| 54 | #define PRINTINODE(i) ((void)0) |
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| 55 | #define PRINTDENTRY(d) ((void)0) |
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| 56 | #define PRINTSBLOCK(s) ((void)0) |
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| 57 | #define PRINTFILE(f) ((void)0) |
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| 58 | #else |
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| 59 | #define PRINTINODE(i) printInode(i) |
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| 60 | #define PRINTDENTRY(d) printDentry(d) |
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| 61 | #define PRINTSBLOCK(s) printSblock(s) |
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| 62 | #define PRINTFILE(f) printFile(f) |
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| 63 | #endif |
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| 64 | |
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| 65 | /* check if inode belongs to GPFS */ |
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| 66 | #define GPFS_TYPE(IP) (!(iP) ? false : \ |
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| 67 | (!(iP->i_sb) ? false : \ |
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| 68 | (!(iP->i_sb->s_type) ? false : \ |
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| 69 | !strcmp(iP->i_sb->s_type->name, "gpfs")))) |
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| 70 | |
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| 71 | |
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| 72 | /* forward declarations */ |
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| 73 | struct ext_cred_t; |
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| 74 | struct dentry; |
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| 75 | struct super_block; |
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| 76 | struct file; |
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| 77 | struct nameidata; |
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| 78 | struct page; |
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| 79 | struct iattr; |
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| 80 | struct inode; |
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| 81 | struct vm_area_struct; |
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| 82 | #ifdef P_NFS4 |
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| 83 | typedef struct { |
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| 84 | u32 state[4]; |
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| 85 | } stateid_t; |
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| 86 | typedef struct { |
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| 87 | u32 cl_boot; |
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| 88 | u32 cl_id; |
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| 89 | } clientid_t; |
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| 90 | #endif |
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| 91 | |
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| 92 | /* inode.C */ |
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| 93 | #ifdef __cplusplus |
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| 94 | extern "C" |
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| 95 | { |
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| 96 | #endif |
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| 97 | void setCred(struct ext_cred_t *); |
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| 98 | #if LINUX_KERNEL_VERSION >= 2060000 |
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| 99 | int gpfs_i_create(struct inode *, struct dentry *, int, struct nameidata *); |
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| 100 | struct dentry *gpfs_i_lookup(struct inode *, struct dentry *, struct nameidata *); |
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| 101 | #else |
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| 102 | int gpfs_i_create(struct inode *, struct dentry *, int); |
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| 103 | struct dentry *gpfs_i_lookup(struct inode *, struct dentry *); |
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| 104 | #endif |
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| 105 | int gpfs_i_link(struct dentry *, struct inode *, struct dentry *); |
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| 106 | int gpfs_i_unlink(struct inode *, struct dentry *); |
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| 107 | int gpfs_i_symlink(struct inode *, struct dentry *, const char *); |
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| 108 | int gpfs_i_mkdir(struct inode *, struct dentry *, int); |
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| 109 | int gpfs_i_rmdir(struct inode *, struct dentry *); |
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| 110 | #if LINUX_KERNEL_VERSION >= 2050000 |
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| 111 | int gpfs_i_mknod(struct inode *, struct dentry *, int, dev_t); |
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| 112 | #else |
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| 113 | int gpfs_i_mknod(struct inode *, struct dentry *, int, int); |
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| 114 | #endif |
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| 115 | int gpfs_i_rename(struct inode *, struct dentry *, struct inode *, |
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| 116 | struct dentry *); |
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| 117 | int gpfs_i_readlink(struct dentry *, char *, int); |
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| 118 | #if LINUX_KERNEL_VERSION >= 2061600 |
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| 119 | void* gpfs_i_follow_link(struct dentry *dentry, struct nameidata *nd); |
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| 120 | #else |
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| 121 | int gpfs_i_follow_link(struct dentry *dentry, struct nameidata *nd); |
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| 122 | #endif |
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| 123 | int gpfs_i_readpage(struct file *, struct page *); |
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| 124 | #if LINUX_KERNEL_VERSION >= 2050000 |
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| 125 | int gpfs_i_writepage(struct page *pageP, struct writeback_control *wbcP); |
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| 126 | #else |
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| 127 | int gpfs_i_writepage(struct page *pageP); |
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| 128 | #endif |
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| 129 | int gpfs_i_bmap(struct inode *, int); |
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| 130 | void gpfs_i_truncate(struct inode *); |
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| 131 | #if LINUX_KERNEL_VERSION >= 2060000 |
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| 132 | int gpfs_i_permission(struct inode *, int, struct nameidata *); |
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| 133 | #else |
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| 134 | int gpfs_i_permission(struct inode *, int); |
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| 135 | #endif |
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| 136 | int gpfs_i_smap(struct inode *, int); |
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| 137 | int gpfs_i_updatepage(struct file *, struct page *, const char *, |
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| 138 | unsigned long, uint, int); |
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| 139 | int gpfs_i_revalidate(struct dentry *); |
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| 140 | int gpfs_i_setattr(struct dentry *, struct iattr *); |
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| 141 | #if LINUX_KERNEL_VERSION >= 2050000 |
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| 142 | int gpfs_i_getattr(struct vfsmount *mnt, struct dentry *, |
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| 143 | struct kstat *); |
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| 144 | #else |
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| 145 | int gpfs_i_getattr(struct dentry *, struct iattr *); |
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| 146 | #endif |
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| 147 | |
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| 148 | #if LINUX_KERNEL_VERSION > 2060000 |
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| 149 | int gpfs_i_setxattr(struct dentry *, const char *, const void *, size_t, int); |
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| 150 | ssize_t gpfs_i_getxattr(struct dentry *, const char *, void *, size_t); |
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| 151 | ssize_t gpfs_i_listxattr(struct dentry *, char *, size_t); |
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| 152 | int gpfs_i_removexattr(struct dentry *, const char *); |
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| 153 | int gpfs_set_posix_acl(struct dentry *, int, const void *, size_t); |
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| 154 | int gpfs_get_posix_acl(struct dentry *, int, const void *, size_t); |
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| 155 | #endif |
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| 156 | |
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| 157 | int gpfs_i_getattr_internal(struct inode *iP); |
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| 158 | int gpfs_i_setattr_internal(struct inode *iP, struct iattr *aP); |
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| 159 | void printInode(struct inode *); |
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| 160 | void printDentry(struct dentry *); |
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| 161 | void printDentryTree(struct dentry *, int maxPrint); |
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| 162 | void setIopTable(struct inode *iP, Boolean xperm); |
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| 163 | void printSuper(struct super_block *sbP); |
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| 164 | void printSuperList(struct super_block *sbP); |
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| 165 | |
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| 166 | #ifdef HAS_IOP_PUT_LINK |
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| 167 | #if LINUX_KERNEL_VERSION >= 2061600 |
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| 168 | void gpfs_i_put_link(struct dentry *dentry, struct nameidata *nd, void* cookie); |
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| 169 | #else |
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| 170 | void gpfs_i_put_link(struct dentry *dentry, struct nameidata *nd); |
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| 171 | #endif |
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| 172 | #endif |
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| 173 | |
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| 174 | #ifdef __cplusplus |
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| 175 | } |
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| 176 | #endif |
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| 177 | |
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| 178 | /* file.C */ |
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| 179 | #ifdef __cplusplus |
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| 180 | extern "C" |
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| 181 | { |
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| 182 | #endif |
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| 183 | loff_t gpfs_f_llseek(struct file *, loff_t, int); |
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| 184 | ssize_t gpfs_f_read(struct file *, char *, size_t, loff_t *); |
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| 185 | ssize_t gpfs_f_dir_read(struct file *, char *, size_t, loff_t *); |
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| 186 | ssize_t gpfs_f_write(struct file *, const char *, size_t, loff_t *); |
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| 187 | int gpfs_f_readdir(struct file *, void *, filldir_t); |
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| 188 | uint gpfs_f_poll(struct file *, struct poll_table_struct *); |
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| 189 | int gpfs_f_ioctl(struct inode *, struct file *, uint, unsigned long); |
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| 190 | int gpfs_f_mmap(struct file *, struct vm_area_struct *); |
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| 191 | int gpfs_f_open(struct inode *, struct file *); |
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| 192 | int gpfs_f_release(struct inode *, struct file *); |
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| 193 | int gpfs_f_fsync(struct file *, struct dentry *, int datasync); |
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| 194 | int gpfs_f_fasync(int, struct file *, int); |
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| 195 | int gpfs_f_lock(struct file *, int, struct file_lock *); |
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| 196 | int gpfs_f_flock(struct file *, int, struct file_lock *); |
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| 197 | ssize_t gpfs_f_readv(struct kiocb *, const struct iovec *, unsigned long, |
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| 198 | loff_t ); |
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| 199 | ssize_t gpfs_f_writev(struct kiocb *, const struct iovec *, unsigned long, |
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| 200 | loff_t ); |
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| 201 | int gpfs_f_cleanup(struct inode *iP, struct file *fP); |
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| 202 | #if LINUX_KERNEL_VERSION > 2060300 |
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| 203 | struct page *gpfs_filemap_nopage(struct vm_area_struct * area, |
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| 204 | unsigned long address, int *no_share); |
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| 205 | #else |
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| 206 | struct page *gpfs_filemap_nopage(struct vm_area_struct * area, |
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| 207 | unsigned long address, int no_share); |
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| 208 | #endif |
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| 209 | void gpfs_filemap_close(struct vm_area_struct * area); |
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| 210 | void gpfs_filemap_open(struct vm_area_struct * area); |
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| 211 | #ifdef NFS4_CLUSTER |
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| 212 | int gpfs_f_share(struct file *, unsigned int, unsigned int); |
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| 213 | #endif /* NFS4_CLUSTER */ |
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| 214 | |
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| 215 | #if LINUX_KERNEL_VERSION >= 2060000 |
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| 216 | ssize_t gpfs_f_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iovecP, |
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| 217 | loff_t offset, unsigned long count); |
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| 218 | #elif defined(SUSE_LINUX) |
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| 219 | int gpfs_f_direct_IO(int rw, struct file *file, struct kiobuf *kiobuf, |
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| 220 | unsigned long in_offset, int count); |
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| 221 | #endif |
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| 222 | |
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| 223 | #ifdef P_NFS4 |
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| 224 | int gpfs_layout_get(struct inode *inode, void *p); |
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| 225 | int gpfs_get_devicelist(struct super_block *sbP, void *p); |
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| 226 | int gpfs_get_deviceinfo(struct super_block *sb, void *p); |
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| 227 | int gpfs_layout_return(struct inode *inode, void *p); |
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| 228 | int gpfs_get_state(struct inode *inode, void *fh, void *p); |
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| 229 | void gpfs_get_verifier(struct super_block *sb, u32 *p); |
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| 230 | #endif |
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| 231 | |
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| 232 | #ifdef __cplusplus |
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| 233 | } |
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| 234 | #endif |
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| 235 | |
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| 236 | /* super.C */ |
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| 237 | #ifdef __cplusplus |
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| 238 | extern "C" |
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| 239 | { |
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| 240 | #endif |
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| 241 | #ifdef VERBOSETRACE |
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| 242 | void TraceBKL(); |
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| 243 | #else |
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| 244 | #define TraceBKL() ((void)0) |
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| 245 | #endif |
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| 246 | void gpfs_s_read_inode(struct inode *); |
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| 247 | void gpfs_s_read_inode2(struct inode *, void *); |
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| 248 | void gpfs_s_delete_inode(struct inode *); |
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| 249 | int gpfs_s_notify_change(struct dentry *, struct iattr *); |
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| 250 | void gpfs_s_put_super(struct super_block *); |
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| 251 | #if LINUX_KERNEL_VERSION >= 2060000 |
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| 252 | int gpfs_s_statfs(struct dentry *, struct kstatfs *); |
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| 253 | void gpfs_destory_inodecache(void); |
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| 254 | int gpfs_init_inodecache(void); |
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| 255 | struct inode *gpfs_alloc_inode(struct super_block *); |
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| 256 | void gpfs_destroy_inode(struct inode *); |
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| 257 | #else |
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| 258 | int gpfs_s_statfs(struct super_block *, struct statfs *); |
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| 259 | #endif |
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| 260 | #if LINUX_KERNEL_VERSION >= 2061700 |
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| 261 | void gpfs_s_umount_begin(struct vfsmount *, int); |
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| 262 | #else |
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| 263 | void gpfs_s_umount_begin(struct super_block *); |
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| 264 | #endif |
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| 265 | int gpfs_s_remount(struct super_block *, int *, char *); |
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| 266 | #if LINUX_KERNEL_VERSION > 2060000 |
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| 267 | struct dentry *gpfs_decode_fh(struct super_block *sbP, __u32 *fh, |
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| 268 | int len, int fhtype, |
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| 269 | int (*acceptable)(void *context, struct dentry *dentry), |
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| 270 | void *context); |
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| 271 | int gpfs_encode_fh(struct dentry *dentry, __u32 *fh, int *lenp, int need_parent); |
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| 272 | struct dentry *gpfs_get_dentry(struct super_block *sb, void *data); |
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| 273 | struct dentry *gpfs_get_dparent(struct dentry * dentry); |
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| 274 | #else |
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| 275 | struct dentry *gpfs_fh_to_dentry(struct super_block *sbP, __u32 *fh, |
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| 276 | int len, int fhtype, int parent); |
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| 277 | int gpfs_dentry_to_fh(struct dentry *, __u32 *fh, int *lenp, int need_parent); |
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| 278 | #endif |
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| 279 | #ifdef NFS4_CLUSTER |
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| 280 | int gpfs_s_fs_locations(struct super_block *, char **); |
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| 281 | #endif |
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| 282 | void gpfs_s_write_inode(struct inode *); |
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| 283 | void gpfs_s_clear_inode(struct inode *); |
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| 284 | void gpfs_s_write_super(struct super_block *); |
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| 285 | #if LINUX_KERNEL_VERSION >= 2050000 |
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| 286 | int gpfs_get_sb(struct file_system_type *fsTypeP, |
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| 287 | int flags, const char *devNameP, void *dataP, |
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| 288 | struct vfsmount *mnt); |
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| 289 | int gpfs_fill_super(struct super_block *, void *, int); |
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| 290 | #else |
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| 291 | struct super_block *gpfs_fill_super(struct super_block *, void *, int); |
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| 292 | #endif |
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| 293 | int mmfsd_release(struct inode *, struct file *); |
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| 294 | int exec_mmfs(void *); |
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| 295 | void kill_mmfsd(void); |
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| 296 | void gpfs_unreg_fs(); |
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| 297 | int gpfs_reg_fs(); |
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| 298 | int fork_mmfsd(); |
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| 299 | int fork_mount_helper(char *data); |
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| 300 | #ifdef __cplusplus |
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| 301 | } |
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| 302 | #endif |
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| 303 | |
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| 304 | /* Find gpfs info from a linux inode. */ |
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| 305 | #define VP_TO_CNP(VP) ((struct cxiNode_t *)((VP)->PRVINODE)) |
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| 306 | #define VP_TO_GNP(VP) ((gpfsNode_t *)((VP)->PRVINODE)) |
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| 307 | #define VP_TO_NFSP(VP) ((VP_TO_CNP((struct inode *)(VP))->nfsP)) |
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| 308 | |
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| 309 | #define VP_TO_PVP(VP) ((struct gpfsVfsData_t *)(SBLOCK_PRIVATE((VP)->i_sb))) |
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| 310 | |
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| 311 | /* block.C */ |
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| 312 | #ifdef __cplusplus |
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| 313 | extern "C" |
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| 314 | { |
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| 315 | #endif |
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| 316 | int gpfs_b_open(struct inode *inode, struct file *file); |
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| 317 | int gpfs_b_release(struct inode *inode, struct file *file); |
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| 318 | int gpfs_b_ioctl(struct inode *inode, struct file *file, unsigned p1, |
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| 319 | unsigned long p2); |
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| 320 | int gpfs_block_init(); |
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| 321 | void gpfs_block_clean(); |
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| 322 | |
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| 323 | int gpfs_fb_open(struct inode *inode, struct file *file); |
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| 324 | int gpfs_fb_release(struct inode *inode, struct file *file); |
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| 325 | int gpfs_fb_ioctl(struct inode *inode, struct file *file, unsigned p1, |
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| 326 | unsigned long p2); |
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| 327 | ssize_t gpfs_fb_read(struct file *file, char *buf, size_t nbytes, |
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| 328 | loff_t *ppos); |
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| 329 | ssize_t gpfs_fb_write(struct file *file, const char *buf, size_t nbytes, |
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| 330 | loff_t *ppos); |
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| 331 | #ifdef __cplusplus |
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| 332 | } |
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| 333 | #endif |
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| 334 | |
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| 335 | /* dir.C */ |
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| 336 | #ifdef __cplusplus |
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| 337 | extern "C" |
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| 338 | { |
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| 339 | #endif |
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| 340 | #if LINUX_KERNEL_VERSION >= 2060000 |
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| 341 | int gpfs_d_invalid(struct dentry *dentry, struct nameidata *); |
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| 342 | int gpfs_d_revalidate(struct dentry *dentry, struct nameidata *); |
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| 343 | #ifdef CCL |
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| 344 | int gpfs_d_valid_if_Samba(struct dentry *dentry, struct nameidata *); |
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| 345 | int gpfs_d_invalid_if_Samba(struct dentry *dentry, struct nameidata *); |
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| 346 | #endif |
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| 347 | #else |
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| 348 | int gpfs_d_invalid(struct dentry *dentry, int flags); |
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| 349 | int gpfs_d_revalidate(struct dentry *dentry, int flags); |
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| 350 | #ifdef CCL |
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| 351 | int gpfs_d_valid_if_Samba(struct dentry *dentry, int flags); |
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| 352 | int gpfs_d_invalid_if_Samba(struct dentry *dentry, int flags); |
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| 353 | #endif |
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| 354 | #endif |
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| 355 | #ifdef __cplusplus |
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| 356 | } |
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| 357 | #endif |
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| 358 | |
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| 359 | /* gplInit.C */ |
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| 360 | #ifdef __cplusplus |
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| 361 | extern "C" |
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| 362 | { |
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| 363 | #endif |
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| 364 | void reset_gpfs_operations(); |
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| 365 | void gpfs_clean(); |
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| 366 | int gpfs_init(); |
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| 367 | |
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| 368 | |
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| 369 | #ifdef __cplusplus |
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| 370 | } |
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| 371 | #endif |
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| 372 | |
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| 373 | /* gpfs operations tables */ |
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| 374 | extern struct gpfs_operations gpfs_ops; |
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| 375 | extern struct super_operations gpfs_sops; |
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| 376 | extern struct super_operations null_sops; |
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| 377 | #if LINUX_KERNEL_VERSION > 2060000 |
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| 378 | extern struct export_operations gpfs_export_ops; |
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| 379 | #endif |
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| 380 | |
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| 381 | #define gpfs_dops_valid (*(struct dentry_operations*)0) /* no ops defined */ |
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| 382 | extern struct dentry_operations gpfs_dops_ddeletepending; |
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| 383 | extern struct dentry_operations gpfs_dops_invalid; |
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| 384 | extern struct dentry_operations gpfs_dops_revalidate; |
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| 385 | #ifdef CCL |
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| 386 | extern struct dentry_operations gpfs_dops_valid_if_Samba; |
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| 387 | extern struct dentry_operations gpfs_dops_invalid_if_Samba; |
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| 388 | #endif |
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| 389 | extern struct file_operations gpfs_fops; |
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| 390 | extern struct file_operations gpfs_fops_no_sendfile; |
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| 391 | extern struct file_operations gpfs_dir_fops; |
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| 392 | extern struct file_operations gpfs_cleanup_fops; |
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| 393 | #if LINUX_KERNEL_VERSION < 2050000 |
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| 394 | extern struct file_operations gpfs_fbps; |
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| 395 | extern struct block_device_operations gpfs_bops; |
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| 396 | #endif |
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| 397 | extern struct inode_operations gpfs_iops_stdperm; |
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| 398 | extern struct inode_operations gpfs_iops_xperm; |
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| 399 | extern struct inode_operations gpfs_dir_iops_stdperm; |
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| 400 | extern struct inode_operations gpfs_dir_iops_xperm; |
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| 401 | extern struct inode_operations gpfs_link_iops; |
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| 402 | extern struct address_space_operations gpfs_aops; |
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| 403 | extern struct address_space_operations gpfs_aops_after_inode_delete; |
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| 404 | extern struct vm_operations_struct gpfs_vmop; |
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| 405 | |
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| 406 | #endif /* _h_linux2gpfs */ |
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