fs/qnx6/qnx6.h

Source file repositories/reference/linux-study-clean/fs/qnx6/qnx6.h

File Facts

System
Linux kernel
Corpus path
fs/qnx6/qnx6.h
Extension
.h
Size
3257 bytes
Lines
130
Domain
Core OS
Bucket
VFS And Filesystem Core
Inferred role
Core OS: operation-table or driver-model contract
Status
pattern implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

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);

unsigned qnx6_find_ino(int len, struct inode *dir, const char *name);

Annotation

Implementation Notes