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Release 4.11 fs/qnx6/qnx6.h

Directory: fs/qnx6
/*
 * 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 <linux/fs.h>
#include <linux/pagemap.h>


typedef __u16 __bitwise __fs16;

typedef __u32 __bitwise __fs32;

typedef __u64 __bitwise __fs64;

#include <linux/qnx6_fs.h>


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; }

Contributors

PersonTokensPropCommitsCommitProp
Kai Bankett19100.00%1100.00%
Total19100.00%1100.00%


static inline struct qnx6_inode_info *QNX6_I(struct inode *inode) { return container_of(inode, struct qnx6_inode_info, vfs_inode); }

Contributors

PersonTokensPropCommitsCommitProp
Kai Bankett25100.00%1100.00%
Total25100.00%1100.00%

#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); }

Contributors

PersonTokensPropCommitsCommitProp
Kai Bankett44100.00%1100.00%
Total44100.00%1100.00%


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); }

Contributors

PersonTokensPropCommitsCommitProp
Kai Bankett44100.00%1100.00%
Total44100.00%1100.00%


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); }

Contributors

PersonTokensPropCommitsCommitProp
Kai Bankett44100.00%1100.00%
Total44100.00%1100.00%


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); }

Contributors

PersonTokensPropCommitsCommitProp
Kai Bankett44100.00%1100.00%
Total44100.00%1100.00%


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); }

Contributors

PersonTokensPropCommitsCommitProp
Kai Bankett44100.00%1100.00%
Total44100.00%1100.00%


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); }

Contributors

PersonTokensPropCommitsCommitProp
Kai Bankett44100.00%1100.00%
Total44100.00%1100.00%

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); }

Contributors

PersonTokensPropCommitsCommitProp
Kai Bankett2195.45%150.00%
Kirill A. Shutemov14.55%150.00%
Total22100.00%2100.00%

extern unsigned qnx6_find_entry(int len, struct inode *dir, const char *name, struct page **res_page);

Overall Contributors

PersonTokensPropCommitsCommitProp
Kai Bankett55596.69%125.00%
Fabian Frederick152.61%125.00%
Al Viro30.52%125.00%
Kirill A. Shutemov10.17%125.00%
Total574100.00%4100.00%
Directory: fs/qnx6
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