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754661f143
Many struct inode_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
105 lines
4.6 KiB
C
105 lines
4.6 KiB
C
/*
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* fs/cifs/cifsfs.h
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*
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* Copyright (c) International Business Machines Corp., 2002, 2005
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* Author(s): Steve French (sfrench@us.ibm.com)
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*
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* This library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published
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* by the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This library 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
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* the GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _CIFSFS_H
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#define _CIFSFS_H
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#define ROOT_I 2
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#ifndef FALSE
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#define FALSE 0
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#endif
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#ifndef TRUE
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#define TRUE 1
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#endif
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extern const struct address_space_operations cifs_addr_ops;
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extern const struct address_space_operations cifs_addr_ops_smallbuf;
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/* Functions related to super block operations */
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/* extern struct super_operations cifs_super_ops;*/
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extern void cifs_read_inode(struct inode *);
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extern void cifs_delete_inode(struct inode *);
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/* extern void cifs_write_inode(struct inode *); *//* BB not needed yet */
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/* Functions related to inodes */
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extern const struct inode_operations cifs_dir_inode_ops;
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extern int cifs_create(struct inode *, struct dentry *, int,
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struct nameidata *);
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extern struct dentry * cifs_lookup(struct inode *, struct dentry *,
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struct nameidata *);
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extern int cifs_unlink(struct inode *, struct dentry *);
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extern int cifs_hardlink(struct dentry *, struct inode *, struct dentry *);
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extern int cifs_mknod(struct inode *, struct dentry *, int, dev_t);
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extern int cifs_mkdir(struct inode *, struct dentry *, int);
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extern int cifs_rmdir(struct inode *, struct dentry *);
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extern int cifs_rename(struct inode *, struct dentry *, struct inode *,
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struct dentry *);
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extern int cifs_revalidate(struct dentry *);
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extern int cifs_getattr(struct vfsmount *, struct dentry *, struct kstat *);
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extern int cifs_setattr(struct dentry *, struct iattr *);
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extern const struct inode_operations cifs_file_inode_ops;
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extern const struct inode_operations cifs_symlink_inode_ops;
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/* Functions related to files and directories */
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extern const struct file_operations cifs_file_ops;
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extern const struct file_operations cifs_file_direct_ops; /* if directio mount */
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extern const struct file_operations cifs_file_nobrl_ops;
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extern const struct file_operations cifs_file_direct_nobrl_ops; /* if directio mount */
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extern int cifs_open(struct inode *inode, struct file *file);
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extern int cifs_close(struct inode *inode, struct file *file);
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extern int cifs_closedir(struct inode *inode, struct file *file);
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extern ssize_t cifs_user_read(struct file *file, char __user *read_data,
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size_t read_size, loff_t * poffset);
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extern ssize_t cifs_user_write(struct file *file, const char __user *write_data,
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size_t write_size, loff_t * poffset);
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extern int cifs_lock(struct file *, int, struct file_lock *);
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extern int cifs_fsync(struct file *, struct dentry *, int);
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extern int cifs_flush(struct file *, fl_owner_t id);
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extern int cifs_file_mmap(struct file * , struct vm_area_struct *);
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extern const struct file_operations cifs_dir_ops;
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extern int cifs_dir_open(struct inode *inode, struct file *file);
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extern int cifs_readdir(struct file *file, void *direntry, filldir_t filldir);
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extern int cifs_dir_notify(struct file *, unsigned long arg);
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/* Functions related to dir entries */
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extern struct dentry_operations cifs_dentry_ops;
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extern struct dentry_operations cifs_ci_dentry_ops;
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/* Functions related to symlinks */
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extern void *cifs_follow_link(struct dentry *direntry, struct nameidata *nd);
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extern void cifs_put_link(struct dentry *direntry, struct nameidata *nd, void *);
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extern int cifs_readlink(struct dentry *direntry, char __user *buffer,
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int buflen);
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extern int cifs_symlink(struct inode *inode, struct dentry *direntry,
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const char *symname);
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extern int cifs_removexattr(struct dentry *, const char *);
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extern int cifs_setxattr(struct dentry *, const char *, const void *,
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size_t, int);
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extern ssize_t cifs_getxattr(struct dentry *, const char *, void *, size_t);
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extern ssize_t cifs_listxattr(struct dentry *, char *, size_t);
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extern int cifs_ioctl (struct inode * inode, struct file * filep,
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unsigned int command, unsigned long arg);
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#define CIFS_VERSION "1.47"
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#endif /* _CIFSFS_H */
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