c5ef1c42c5
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>
52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
/*
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* efs_fs.h
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*
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* Copyright (c) 1999 Al Smith
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*
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* Portions derived from work (c) 1995,1996 Christian Vogelgsang.
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*/
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#ifndef __EFS_FS_H__
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#define __EFS_FS_H__
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#define EFS_VERSION "1.0a"
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static const char cprt[] = "EFS: "EFS_VERSION" - (c) 1999 Al Smith <Al.Smith@aeschi.ch.eu.org>";
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#include <asm/uaccess.h>
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/* 1 block is 512 bytes */
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#define EFS_BLOCKSIZE_BITS 9
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#define EFS_BLOCKSIZE (1 << EFS_BLOCKSIZE_BITS)
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#include <linux/fs.h>
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#include <linux/efs_fs_i.h>
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#include <linux/efs_fs_sb.h>
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#include <linux/efs_dir.h>
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static inline struct efs_inode_info *INODE_INFO(struct inode *inode)
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{
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return container_of(inode, struct efs_inode_info, vfs_inode);
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}
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static inline struct efs_sb_info *SUPER_INFO(struct super_block *sb)
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{
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return sb->s_fs_info;
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}
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struct statfs;
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extern const struct inode_operations efs_dir_inode_operations;
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extern const struct file_operations efs_dir_operations;
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extern const struct address_space_operations efs_symlink_aops;
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extern void efs_read_inode(struct inode *);
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extern efs_block_t efs_map_block(struct inode *, efs_block_t);
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extern int efs_get_block(struct inode *, sector_t, struct buffer_head *, int);
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extern struct dentry *efs_lookup(struct inode *, struct dentry *, struct nameidata *);
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extern struct dentry *efs_get_parent(struct dentry *);
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extern int efs_bmap(struct inode *, int);
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#endif /* __EFS_FS_H__ */
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