mirror of
https://github.com/torvalds/linux.git
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[PATCH] isofs includes sanitized
fs/isofs includes trimmed down to something resembling sanity.
Kernel-only parts of linux/iso_fs.h and entire linux/iso_fs_{sb,i}.h
moved to fs/isofs/isofs.h.
A lot of useless #include in fs/isofs/*.c killed.
Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Al Viro
Linus Torvalds
parent
7366d36cb9
commit
94f2f71577
@ -18,29 +18,12 @@
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#include <linux/config.h>
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#include <linux/module.h>
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#include <linux/stat.h>
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#include <linux/time.h>
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#include <linux/iso_fs.h>
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#include <linux/kernel.h>
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#include <linux/major.h>
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#include <linux/mm.h>
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#include <linux/string.h>
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#include <linux/slab.h>
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#include <linux/errno.h>
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#include <linux/init.h>
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#include <linux/nls.h>
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#include <linux/ctype.h>
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#include <linux/smp_lock.h>
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#include <linux/blkdev.h>
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#include <linux/vmalloc.h>
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#include <linux/zlib.h>
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#include <linux/buffer_head.h>
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#include <asm/system.h>
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#include <asm/uaccess.h>
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#include <asm/semaphore.h>
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#include "isofs.h"
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#include "zisofs.h"
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/* This should probably be global. */
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@ -10,20 +10,9 @@
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*
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* isofs directory handling functions
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*/
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#include <linux/errno.h>
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#include <linux/fs.h>
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#include <linux/iso_fs.h>
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#include <linux/kernel.h>
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#include <linux/stat.h>
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#include <linux/string.h>
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#include <linux/mm.h>
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#include <linux/slab.h>
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#include <linux/time.h>
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#include <linux/config.h>
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#include <linux/smp_lock.h>
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#include <linux/buffer_head.h>
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#include <asm/uaccess.h>
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#include "isofs.h"
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static int isofs_readdir(struct file *, void *, filldir_t);
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@ -13,11 +13,7 @@
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* fs/exportfs/expfs.c.
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*/
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#include <linux/buffer_head.h>
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#include <linux/errno.h>
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#include <linux/fs.h>
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#include <linux/iso_fs.h>
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#include <linux/kernel.h>
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#include "isofs.h"
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static struct dentry *
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isofs_export_iget(struct super_block *sb,
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@ -12,29 +12,18 @@
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*/
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#include <linux/config.h>
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/stat.h>
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#include <linux/time.h>
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#include <linux/iso_fs.h>
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#include <linux/kernel.h>
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#include <linux/major.h>
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#include <linux/mm.h>
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#include <linux/string.h>
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#include <linux/slab.h>
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#include <linux/errno.h>
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#include <linux/cdrom.h>
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#include <linux/init.h>
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#include <linux/nls.h>
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#include <linux/ctype.h>
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#include <linux/smp_lock.h>
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#include <linux/blkdev.h>
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#include <linux/buffer_head.h>
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#include <linux/vfs.h>
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#include <linux/statfs.h>
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#include <linux/cdrom.h>
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#include <linux/parser.h>
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#include <asm/system.h>
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#include <asm/uaccess.h>
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#include "isofs.h"
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#include "zisofs.h"
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#define BEQUIET
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190
fs/isofs/isofs.h
Normal file
190
fs/isofs/isofs.h
Normal file
@ -0,0 +1,190 @@
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#include <linux/fs.h>
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#include <linux/buffer_head.h>
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#include <linux/iso_fs.h>
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#include <asm/unaligned.h>
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enum isofs_file_format {
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isofs_file_normal = 0,
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isofs_file_sparse = 1,
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isofs_file_compressed = 2,
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};
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/*
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* iso fs inode data in memory
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*/
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struct iso_inode_info {
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unsigned long i_iget5_block;
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unsigned long i_iget5_offset;
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unsigned int i_first_extent;
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unsigned char i_file_format;
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unsigned char i_format_parm[3];
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unsigned long i_next_section_block;
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unsigned long i_next_section_offset;
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off_t i_section_size;
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struct inode vfs_inode;
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};
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/*
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* iso9660 super-block data in memory
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*/
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struct isofs_sb_info {
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unsigned long s_ninodes;
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unsigned long s_nzones;
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unsigned long s_firstdatazone;
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unsigned long s_log_zone_size;
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unsigned long s_max_size;
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unsigned char s_high_sierra; /* A simple flag */
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unsigned char s_mapping;
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int s_rock_offset; /* offset of SUSP fields within SU area */
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unsigned char s_rock;
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unsigned char s_joliet_level;
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unsigned char s_utf8;
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unsigned char s_cruft; /* Broken disks with high
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byte of length containing
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junk */
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unsigned char s_unhide;
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unsigned char s_nosuid;
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unsigned char s_nodev;
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unsigned char s_nocompress;
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mode_t s_mode;
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gid_t s_gid;
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uid_t s_uid;
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struct nls_table *s_nls_iocharset; /* Native language support table */
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};
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static inline struct isofs_sb_info *ISOFS_SB(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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static inline struct iso_inode_info *ISOFS_I(struct inode *inode)
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{
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return container_of(inode, struct iso_inode_info, vfs_inode);
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}
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static inline int isonum_711(char *p)
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{
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return *(u8 *)p;
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}
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static inline int isonum_712(char *p)
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{
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return *(s8 *)p;
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}
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static inline unsigned int isonum_721(char *p)
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{
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return le16_to_cpu(get_unaligned((__le16 *)p));
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}
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static inline unsigned int isonum_722(char *p)
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{
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return be16_to_cpu(get_unaligned((__le16 *)p));
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}
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static inline unsigned int isonum_723(char *p)
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{
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/* Ignore bigendian datum due to broken mastering programs */
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return le16_to_cpu(get_unaligned((__le16 *)p));
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}
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static inline unsigned int isonum_731(char *p)
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{
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return le32_to_cpu(get_unaligned((__le32 *)p));
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}
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static inline unsigned int isonum_732(char *p)
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{
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return be32_to_cpu(get_unaligned((__le32 *)p));
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}
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static inline unsigned int isonum_733(char *p)
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{
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/* Ignore bigendian datum due to broken mastering programs */
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return le32_to_cpu(get_unaligned((__le32 *)p));
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}
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extern int iso_date(char *, int);
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struct inode; /* To make gcc happy */
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extern int parse_rock_ridge_inode(struct iso_directory_record *, struct inode *);
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extern int get_rock_ridge_filename(struct iso_directory_record *, char *, struct inode *);
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extern int isofs_name_translate(struct iso_directory_record *, char *, struct inode *);
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int get_joliet_filename(struct iso_directory_record *, unsigned char *, struct inode *);
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int get_acorn_filename(struct iso_directory_record *, char *, struct inode *);
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extern struct dentry *isofs_lookup(struct inode *, struct dentry *, struct nameidata *);
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extern struct buffer_head *isofs_bread(struct inode *, sector_t);
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extern int isofs_get_blocks(struct inode *, sector_t, struct buffer_head **, unsigned long);
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extern struct inode *isofs_iget(struct super_block *sb,
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unsigned long block,
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unsigned long offset);
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/* Because the inode number is no longer relevant to finding the
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* underlying meta-data for an inode, we are free to choose a more
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* convenient 32-bit number as the inode number. The inode numbering
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* scheme was recommended by Sergey Vlasov and Eric Lammerts. */
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static inline unsigned long isofs_get_ino(unsigned long block,
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unsigned long offset,
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unsigned long bufbits)
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{
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return (block << (bufbits - 5)) | (offset >> 5);
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}
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/* Every directory can have many redundant directory entries scattered
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* throughout the directory tree. First there is the directory entry
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* with the name of the directory stored in the parent directory.
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* Then, there is the "." directory entry stored in the directory
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* itself. Finally, there are possibly many ".." directory entries
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* stored in all the subdirectories.
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*
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* In order for the NFS get_parent() method to work and for the
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* general consistency of the dcache, we need to make sure the
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* "i_iget5_block" and "i_iget5_offset" all point to exactly one of
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* the many redundant entries for each directory. We normalize the
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* block and offset by always making them point to the "." directory.
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*
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* Notice that we do not use the entry for the directory with the name
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* that is located in the parent directory. Even though choosing this
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* first directory is more natural, it is much easier to find the "."
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* entry in the NFS get_parent() method because it is implicitly
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* encoded in the "extent + ext_attr_length" fields of _all_ the
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* redundant entries for the directory. Thus, it can always be
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* reached regardless of which directory entry you have in hand.
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*
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* This works because the "." entry is simply the first directory
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* record when you start reading the file that holds all the directory
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* records, and this file starts at "extent + ext_attr_length" blocks.
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* Because the "." entry is always the first entry listed in the
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* directories file, the normalized "offset" value is always 0.
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*
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* You should pass the directory entry in "de". On return, "block"
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* and "offset" will hold normalized values. Only directories are
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* affected making it safe to call even for non-directory file
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* types. */
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static inline void
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isofs_normalize_block_and_offset(struct iso_directory_record* de,
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unsigned long *block,
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unsigned long *offset)
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{
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/* Only directories are normalized. */
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if (de->flags[0] & 2) {
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*offset = 0;
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*block = (unsigned long)isonum_733(de->extent)
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+ (unsigned long)isonum_711(de->ext_attr_length);
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}
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}
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extern struct inode_operations isofs_dir_inode_operations;
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extern struct file_operations isofs_dir_operations;
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extern struct address_space_operations isofs_symlink_aops;
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extern struct export_operations isofs_export_ops;
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/* The following macros are used to check for memory leaks. */
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#ifdef LEAK_CHECK
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#define free_s leak_check_free_s
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#define malloc leak_check_malloc
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#define sb_bread leak_check_bread
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#define brelse leak_check_brelse
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extern void * leak_check_malloc(unsigned int size);
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extern void leak_check_free_s(void * obj, int size);
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extern struct buffer_head * leak_check_bread(struct super_block *sb, int block);
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extern void leak_check_brelse(struct buffer_head * bh);
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#endif /* LEAK_CHECK */
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@ -6,11 +6,9 @@
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* Joliet: Microsoft's Unicode extensions to iso9660
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*/
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#include <linux/string.h>
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#include <linux/types.h>
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#include <linux/nls.h>
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#include <linux/mm.h>
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#include <linux/iso_fs.h>
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#include <asm/unaligned.h>
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#include "isofs.h"
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/*
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* Convert Unicode 16 to UTF8 or ASCII.
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@ -6,20 +6,9 @@
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* (C) 1991 Linus Torvalds - minix filesystem
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*/
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#include <linux/time.h>
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#include <linux/iso_fs.h>
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#include <linux/kernel.h>
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#include <linux/string.h>
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#include <linux/stat.h>
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#include <linux/fcntl.h>
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#include <linux/mm.h>
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#include <linux/errno.h>
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#include <linux/config.h> /* Joliet? */
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#include <linux/smp_lock.h>
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#include <linux/buffer_head.h>
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#include <linux/dcache.h>
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#include <asm/uaccess.h>
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#include "isofs.h"
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/*
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* ok, we cannot use strncmp, as the name is not in our data space.
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@ -6,17 +6,11 @@
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* Rock Ridge Extensions to iso9660
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*/
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#include <linux/stat.h>
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#include <linux/time.h>
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#include <linux/iso_fs.h>
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#include <linux/string.h>
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#include <linux/mm.h>
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#include <linux/slab.h>
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#include <linux/pagemap.h>
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#include <linux/smp_lock.h>
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#include <linux/buffer_head.h>
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#include <asm/page.h>
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#include "isofs.h"
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#include "rock.h"
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/* These functions are designed to read the system areas of a directory record
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@ -2,9 +2,7 @@
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* linux/fs/isofs/util.c
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*/
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#include <linux/time.h>
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#include <linux/fs.h>
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#include <linux/iso_fs.h>
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#include "isofs.h"
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/*
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* We have to convert from a MM/DD/YY format to the Unix ctime format.
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@ -80,4 +78,3 @@ int iso_date(char * p, int flag)
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}
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return crtime;
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}
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@ -1,4 +1,3 @@
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#ifndef _ISOFS_FS_H
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#define _ISOFS_FS_H
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@ -163,150 +162,4 @@ struct iso_directory_record {
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#define ISOFS_SUPER_MAGIC 0x9660
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#ifdef __KERNEL__
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/* Number conversion inlines, named after the section in ISO 9660
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they correspond to. */
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#include <asm/byteorder.h>
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#include <asm/unaligned.h>
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#include <linux/iso_fs_i.h>
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#include <linux/iso_fs_sb.h>
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static inline struct isofs_sb_info *ISOFS_SB(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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static inline struct iso_inode_info *ISOFS_I(struct inode *inode)
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{
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return container_of(inode, struct iso_inode_info, vfs_inode);
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}
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static inline int isonum_711(char *p)
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{
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return *(u8 *)p;
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}
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static inline int isonum_712(char *p)
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{
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return *(s8 *)p;
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}
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static inline unsigned int isonum_721(char *p)
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{
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return le16_to_cpu(get_unaligned((__le16 *)p));
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}
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static inline unsigned int isonum_722(char *p)
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{
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return be16_to_cpu(get_unaligned((__le16 *)p));
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}
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static inline unsigned int isonum_723(char *p)
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{
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/* Ignore bigendian datum due to broken mastering programs */
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return le16_to_cpu(get_unaligned((__le16 *)p));
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}
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static inline unsigned int isonum_731(char *p)
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{
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return le32_to_cpu(get_unaligned((__le32 *)p));
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}
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static inline unsigned int isonum_732(char *p)
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{
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return be32_to_cpu(get_unaligned((__le32 *)p));
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}
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static inline unsigned int isonum_733(char *p)
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{
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/* Ignore bigendian datum due to broken mastering programs */
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return le32_to_cpu(get_unaligned((__le32 *)p));
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}
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extern int iso_date(char *, int);
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|
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struct inode; /* To make gcc happy */
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|
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extern int parse_rock_ridge_inode(struct iso_directory_record *, struct inode *);
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extern int get_rock_ridge_filename(struct iso_directory_record *, char *, struct inode *);
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extern int isofs_name_translate(struct iso_directory_record *, char *, struct inode *);
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int get_joliet_filename(struct iso_directory_record *, unsigned char *, struct inode *);
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int get_acorn_filename(struct iso_directory_record *, char *, struct inode *);
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extern struct dentry *isofs_lookup(struct inode *, struct dentry *, struct nameidata *);
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extern struct buffer_head *isofs_bread(struct inode *, sector_t);
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extern int isofs_get_blocks(struct inode *, sector_t, struct buffer_head **, unsigned long);
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|
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extern struct inode *isofs_iget(struct super_block *sb,
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unsigned long block,
|
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unsigned long offset);
|
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|
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/* Because the inode number is no longer relevant to finding the
|
||||
* underlying meta-data for an inode, we are free to choose a more
|
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* convenient 32-bit number as the inode number. The inode numbering
|
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* scheme was recommended by Sergey Vlasov and Eric Lammerts. */
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static inline unsigned long isofs_get_ino(unsigned long block,
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unsigned long offset,
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unsigned long bufbits)
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{
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return (block << (bufbits - 5)) | (offset >> 5);
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}
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|
||||
/* Every directory can have many redundant directory entries scattered
|
||||
* throughout the directory tree. First there is the directory entry
|
||||
* with the name of the directory stored in the parent directory.
|
||||
* Then, there is the "." directory entry stored in the directory
|
||||
* itself. Finally, there are possibly many ".." directory entries
|
||||
* stored in all the subdirectories.
|
||||
*
|
||||
* In order for the NFS get_parent() method to work and for the
|
||||
* general consistency of the dcache, we need to make sure the
|
||||
* "i_iget5_block" and "i_iget5_offset" all point to exactly one of
|
||||
* the many redundant entries for each directory. We normalize the
|
||||
* block and offset by always making them point to the "." directory.
|
||||
*
|
||||
* Notice that we do not use the entry for the directory with the name
|
||||
* that is located in the parent directory. Even though choosing this
|
||||
* first directory is more natural, it is much easier to find the "."
|
||||
* entry in the NFS get_parent() method because it is implicitly
|
||||
* encoded in the "extent + ext_attr_length" fields of _all_ the
|
||||
* redundant entries for the directory. Thus, it can always be
|
||||
* reached regardless of which directory entry you have in hand.
|
||||
*
|
||||
* This works because the "." entry is simply the first directory
|
||||
* record when you start reading the file that holds all the directory
|
||||
* records, and this file starts at "extent + ext_attr_length" blocks.
|
||||
* Because the "." entry is always the first entry listed in the
|
||||
* directories file, the normalized "offset" value is always 0.
|
||||
*
|
||||
* You should pass the directory entry in "de". On return, "block"
|
||||
* and "offset" will hold normalized values. Only directories are
|
||||
* affected making it safe to call even for non-directory file
|
||||
* types. */
|
||||
static inline void
|
||||
isofs_normalize_block_and_offset(struct iso_directory_record* de,
|
||||
unsigned long *block,
|
||||
unsigned long *offset)
|
||||
{
|
||||
/* Only directories are normalized. */
|
||||
if (de->flags[0] & 2) {
|
||||
*offset = 0;
|
||||
*block = (unsigned long)isonum_733(de->extent)
|
||||
+ (unsigned long)isonum_711(de->ext_attr_length);
|
||||
}
|
||||
}
|
||||
|
||||
extern struct inode_operations isofs_dir_inode_operations;
|
||||
extern struct file_operations isofs_dir_operations;
|
||||
extern struct address_space_operations isofs_symlink_aops;
|
||||
extern struct export_operations isofs_export_ops;
|
||||
|
||||
/* The following macros are used to check for memory leaks. */
|
||||
#ifdef LEAK_CHECK
|
||||
#define free_s leak_check_free_s
|
||||
#define malloc leak_check_malloc
|
||||
#define sb_bread leak_check_bread
|
||||
#define brelse leak_check_brelse
|
||||
extern void * leak_check_malloc(unsigned int size);
|
||||
extern void leak_check_free_s(void * obj, int size);
|
||||
extern struct buffer_head * leak_check_bread(struct super_block *sb, int block);
|
||||
extern void leak_check_brelse(struct buffer_head * bh);
|
||||
#endif /* LEAK_CHECK */
|
||||
|
||||
#endif /* __KERNEL__ */
|
||||
|
||||
#endif
|
||||
|
||||
@ -1,27 +0,0 @@
|
||||
#ifndef _ISO_FS_I
|
||||
#define _ISO_FS_I
|
||||
|
||||
#include <linux/fs.h>
|
||||
|
||||
enum isofs_file_format {
|
||||
isofs_file_normal = 0,
|
||||
isofs_file_sparse = 1,
|
||||
isofs_file_compressed = 2,
|
||||
};
|
||||
|
||||
/*
|
||||
* iso fs inode data in memory
|
||||
*/
|
||||
struct iso_inode_info {
|
||||
unsigned long i_iget5_block;
|
||||
unsigned long i_iget5_offset;
|
||||
unsigned int i_first_extent;
|
||||
unsigned char i_file_format;
|
||||
unsigned char i_format_parm[3];
|
||||
unsigned long i_next_section_block;
|
||||
unsigned long i_next_section_offset;
|
||||
off_t i_section_size;
|
||||
struct inode vfs_inode;
|
||||
};
|
||||
|
||||
#endif
|
||||
@ -1,34 +0,0 @@
|
||||
#ifndef _ISOFS_FS_SB
|
||||
#define _ISOFS_FS_SB
|
||||
|
||||
/*
|
||||
* iso9660 super-block data in memory
|
||||
*/
|
||||
struct isofs_sb_info {
|
||||
unsigned long s_ninodes;
|
||||
unsigned long s_nzones;
|
||||
unsigned long s_firstdatazone;
|
||||
unsigned long s_log_zone_size;
|
||||
unsigned long s_max_size;
|
||||
|
||||
unsigned char s_high_sierra; /* A simple flag */
|
||||
unsigned char s_mapping;
|
||||
int s_rock_offset; /* offset of SUSP fields within SU area */
|
||||
unsigned char s_rock;
|
||||
unsigned char s_joliet_level;
|
||||
unsigned char s_utf8;
|
||||
unsigned char s_cruft; /* Broken disks with high
|
||||
byte of length containing
|
||||
junk */
|
||||
unsigned char s_unhide;
|
||||
unsigned char s_nosuid;
|
||||
unsigned char s_nodev;
|
||||
unsigned char s_nocompress;
|
||||
|
||||
mode_t s_mode;
|
||||
gid_t s_gid;
|
||||
uid_t s_uid;
|
||||
struct nls_table *s_nls_iocharset; /* Native language support table */
|
||||
};
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue
Block a user