/* * QNX6 file system, Linux implementation. * * Version : 1.0.0 * * History : * * 01-02-2012 by Kai Bankett (chaosman@ontika.net) : first release. * 16-02-2012 page map extension by Al Viro * */ #ifdef pr_fmt #undef pr_fmt #endif #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include #include typedef __u16 __bitwise __fs16; typedef __u32 __bitwise __fs32; typedef __u64 __bitwise __fs64; #include struct qnx6_sb_info { struct buffer_head *sb_buf; /* superblock buffer */ struct qnx6_super_block *sb; /* our superblock */ int s_blks_off; /* blkoffset fs-startpoint */ int s_ptrbits; /* indirect pointer bitfield */ unsigned long s_mount_opt; /* all mount options */ int s_bytesex; /* holds endianess info */ struct inode * inodes; struct inode * longfile; }; struct qnx6_inode_info { __fs32 di_block_ptr[QNX6_NO_DIRECT_POINTERS]; __u8 di_filelevels; __u32 i_dir_start_lookup; struct inode vfs_inode; }; extern struct inode *qnx6_iget(struct super_block *sb, unsigned ino); extern struct dentry *qnx6_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags); #ifdef CONFIG_QNX6FS_DEBUG extern void qnx6_superblock_debug(struct qnx6_super_block *, struct super_block *); #endif extern const struct inode_operations qnx6_dir_inode_operations; extern const struct file_operations qnx6_dir_operations; static inline struct qnx6_sb_info *QNX6_SB(struct super_block *sb) { return sb->s_fs_info; } static inline struct qnx6_inode_info *QNX6_I(struct inode *inode) { return container_of(inode, struct qnx6_inode_info, vfs_inode); } #define clear_opt(o, opt) (o &= ~(QNX6_MOUNT_##opt)) #define set_opt(o, opt) (o |= (QNX6_MOUNT_##opt)) #define test_opt(sb, opt) (QNX6_SB(sb)->s_mount_opt & \ QNX6_MOUNT_##opt) enum { BYTESEX_LE, BYTESEX_BE, }; static inline __u64 fs64_to_cpu(struct qnx6_sb_info *sbi, __fs64 n) { if (sbi->s_bytesex == BYTESEX_LE) return le64_to_cpu((__force __le64)n); else return be64_to_cpu((__force __be64)n); } static inline __fs64 cpu_to_fs64(struct qnx6_sb_info *sbi, __u64 n) { if (sbi->s_bytesex == BYTESEX_LE) return (__force __fs64)cpu_to_le64(n); else return (__force __fs64)cpu_to_be64(n); } static inline __u32 fs32_to_cpu(struct qnx6_sb_info *sbi, __fs32 n) { if (sbi->s_bytesex == BYTESEX_LE) return le32_to_cpu((__force __le32)n); else return be32_to_cpu((__force __be32)n); } static inline __fs32 cpu_to_fs32(struct qnx6_sb_info *sbi, __u32 n) { if (sbi->s_bytesex == BYTESEX_LE) return (__force __fs32)cpu_to_le32(n); else return (__force __fs32)cpu_to_be32(n); } static inline __u16 fs16_to_cpu(struct qnx6_sb_info *sbi, __fs16 n) { if (sbi->s_bytesex == BYTESEX_LE) return le16_to_cpu((__force __le16)n); else return be16_to_cpu((__force __be16)n); } static inline __fs16 cpu_to_fs16(struct qnx6_sb_info *sbi, __u16 n) { if (sbi->s_bytesex == BYTESEX_LE) return (__force __fs16)cpu_to_le16(n); else return (__force __fs16)cpu_to_be16(n); } extern struct qnx6_super_block *qnx6_mmi_fill_super(struct super_block *s, int silent); static inline void qnx6_put_page(struct page *page) { kunmap(page); put_page(page); } extern unsigned qnx6_find_entry(int len, struct inode *dir, const char *name, struct page **res_page); /net-next.git/log/tools/laptop?h=nds-private-remove&id=415f9b71d17d294c2f2075b3fc7717d72e5e48f9&showmsg=1'>Expand)AuthorFilesLines