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-rw-r--r--fs/squashfs/squashfs.h142
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diff --git a/fs/squashfs/squashfs.h b/fs/squashfs/squashfs.h
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+++ b/fs/squashfs/squashfs.h
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+/*
+ * Squashfs - a compressed read only filesystem for Linux
+ *
+ * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008
+ * Phillip Lougher <phillip@squashfs.org.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2,
+ * or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * squashfs.h
+ */
+
+#include <printk.h>
+#include <fs.h>
+#include <linux/fs.h>
+#include <linux/kernel.h>
+
+#define DEBUG
+#define pgoff_t unsigned long
+
+struct squashfs_priv {
+ struct super_block sb;
+};
+
+/*
+ * We "simulate" the Linux page struct much simpler here
+ */
+struct page {
+ pgoff_t index;
+ void *addr;
+ struct inode *inode;
+};
+
+
+struct squashfs_page {
+ struct page real_page;
+ char **buf;
+ int idx;
+ int data_block;
+};
+
+static inline struct squashfs_page *squashfs_page(struct page *page)
+{
+ return container_of(page, struct squashfs_page, real_page);
+}
+#define TRACE(s, args...) pr_debug("SQUASHFS: "s, ## args)
+
+#define ERROR(s, args...) pr_err("SQUASHFS error: "s, ## args)
+
+#define WARNING(s, args...) pr_warn("SQUASHFS: "s, ## args)
+
+struct inode *iget_locked_squashfs(struct super_block *sb, unsigned long ino);
+char *squashfs_devread(struct squashfs_sb_info *fs, int byte_offset,
+ int byte_len);
+extern int squashfs_mount(struct fs_device_d *fsdev,
+ int silent);
+extern void squashfs_put_super(struct super_block *sb);
+
+/* block.c */
+extern int squashfs_read_data(struct super_block *, u64, int, u64 *,
+ struct squashfs_page_actor *);
+
+/* cache.c */
+extern struct squashfs_cache *squashfs_cache_init(char *, int, int);
+extern void squashfs_cache_delete(struct squashfs_cache *);
+extern struct squashfs_cache_entry *squashfs_cache_get(struct super_block *,
+ struct squashfs_cache *, u64, int);
+extern void squashfs_cache_put(struct squashfs_cache_entry *);
+extern int squashfs_copy_data(void *, struct squashfs_cache_entry *, int, int);
+extern int squashfs_read_metadata(struct super_block *, void *, u64 *,
+ int *, int);
+extern struct squashfs_cache_entry *squashfs_get_fragment(struct super_block *,
+ u64, int);
+extern struct squashfs_cache_entry *squashfs_get_datablock(struct super_block *,
+ u64, int);
+extern void *squashfs_read_table(struct super_block *, u64, int);
+
+/* decompressor.c */
+extern const struct squashfs_decompressor *squashfs_lookup_decompressor(int);
+extern void *squashfs_decompressor_setup(struct super_block *, unsigned short);
+
+/* decompressor_xxx.c */
+extern void *squashfs_decompressor_create(struct squashfs_sb_info *, void *);
+extern void squashfs_decompressor_destroy(struct squashfs_sb_info *);
+extern int squashfs_decompress(struct squashfs_sb_info *, char **,
+ int, int, int, struct squashfs_page_actor *);
+extern int squashfs_max_decompressors(void);
+
+/* fragment.c */
+extern int squashfs_frag_lookup(struct super_block *, unsigned int, u64 *);
+extern __le64 *squashfs_read_fragment_index_table(struct super_block *,
+ u64, u64, unsigned int);
+/* file.c */
+void squashfs_copy_cache(struct page *, struct squashfs_cache_entry *, int,
+ int);
+extern int squashfs_readpage(struct file *file, struct page *page);
+
+/* file_xxx.c */
+extern int squashfs_readpage_block(struct page *, u64, int);
+
+/* id.c */
+extern int squashfs_get_id(struct super_block *, unsigned int, unsigned int *);
+extern __le64 *squashfs_read_id_index_table(struct super_block *, u64, u64,
+ unsigned short);
+
+/* inode.c */
+extern struct inode *squashfs_iget(struct super_block *, long long,
+ unsigned int);
+extern int squashfs_read_inode(struct inode *, long long);
+
+/*
+ * Inodes, files, decompressor and xattr operations
+ */
+
+/* dir.c */
+extern const struct file_operations squashfs_dir_ops;
+
+/* export.c */
+extern const struct export_operations squashfs_export_ops;
+
+/* file.c */
+extern const struct address_space_operations squashfs_aops;
+
+/* inode.c */
+extern const struct inode_operations squashfs_inode_ops;
+
+/* namei.c */
+extern struct inode *squashfs_lookup(struct inode *dir, const char *cur_name,
+ unsigned int flags);
+extern int squashfs_lookup_next(struct inode *dir,
+ char *root_name, char *cur_name);
+
+/* symlink.c */
+extern const struct address_space_operations squashfs_symlink_aops;
+extern const struct inode_operations squashfs_symlink_inode_ops;