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fs/coda/coda_linux.h
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/* SPDX-License-Identifier: GPL-2.0 */ |
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/* * Coda File System, Linux Kernel module * * Original version, adapted from cfs_mach.c, (C) Carnegie Mellon University * Linux modifications (C) 1996, Peter J. Braam * Rewritten for Linux 2.1 (C) 1997 Carnegie Mellon University * * Carnegie Mellon University encourages users of this software to * contribute improvements to the Coda project. */ #ifndef _LINUX_CODA_FS #define _LINUX_CODA_FS |
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#ifdef pr_fmt #undef pr_fmt #endif #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
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#include <linux/kernel.h> #include <linux/param.h> #include <linux/mm.h> #include <linux/vmalloc.h> #include <linux/slab.h> #include <linux/wait.h> #include <linux/types.h> #include <linux/fs.h> |
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#include "coda_fs_i.h" |
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/* operations */ |
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extern const struct inode_operations coda_dir_inode_operations; extern const struct inode_operations coda_file_inode_operations; extern const struct inode_operations coda_ioctl_inode_operations; |
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extern const struct dentry_operations coda_dentry_operations; |
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extern const struct address_space_operations coda_file_aops; extern const struct address_space_operations coda_symlink_aops; |
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extern const struct file_operations coda_dir_operations; extern const struct file_operations coda_file_operations; extern const struct file_operations coda_ioctl_operations; |
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/* operations shared over more than one file */ int coda_open(struct inode *i, struct file *f); |
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int coda_release(struct inode *i, struct file *f); |
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int coda_permission(struct inode *inode, int mask); |
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int coda_revalidate_inode(struct inode *); |
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int coda_getattr(const struct path *, struct kstat *, u32, unsigned int); |
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int coda_setattr(struct dentry *, struct iattr *); |
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/* this file: heloers */ |
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char *coda_f2s(struct CodaFid *f); |
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int coda_iscontrol(const char *name, size_t length); void coda_vattr_to_iattr(struct inode *, struct coda_vattr *); void coda_iattr_to_vattr(struct iattr *, struct coda_vattr *); unsigned short coda_flags_to_cflags(unsigned short); |
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/* inode to cnode access functions */ static inline struct coda_inode_info *ITOC(struct inode *inode) { |
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return container_of(inode, struct coda_inode_info, vfs_inode); |
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} static __inline__ struct CodaFid *coda_i2f(struct inode *inode) { return &(ITOC(inode)->c_fid); } static __inline__ char *coda_i2s(struct inode *inode) { return coda_f2s(&(ITOC(inode)->c_fid)); } /* this will not zap the inode away */ static __inline__ void coda_flag_inode(struct inode *inode, int flag) { |
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struct coda_inode_info *cii = ITOC(inode); spin_lock(&cii->c_lock); cii->c_flags |= flag; spin_unlock(&cii->c_lock); |
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} #endif |