fs/befs/befs.h

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

File Facts

System
Linux kernel
Corpus path
fs/befs/befs.h
Extension
.h
Size
3089 bytes
Lines
151
Domain
Core OS
Bucket
VFS And Filesystem Core
Inferred role
Core OS: implementation source
Status
source 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

struct befs_mount_options {
	kgid_t gid;
	kuid_t uid;
	int use_gid;
	int use_uid;
	int debug;
	char *iocharset;
};

struct befs_sb_info {
	u32 magic1;
	u32 block_size;
	u32 block_shift;
	int byte_order;
	befs_off_t num_blocks;
	befs_off_t used_blocks;
	u32 inode_size;
	u32 magic2;

	/* Allocation group information */
	u32 blocks_per_ag;
	u32 ag_shift;
	u32 num_ags;

	/* State of the superblock */
	u32 flags;

	/* Journal log entry */
	befs_block_run log_blocks;
	befs_off_t log_start;
	befs_off_t log_end;

	befs_inode_addr root_dir;
	befs_inode_addr indices;
	u32 magic3;

	struct befs_mount_options mount_opts;
	struct nls_table *nls;
};

struct befs_inode_info {
	u32 i_flags;
	u32 i_type;

	befs_inode_addr i_inode_num;
	befs_inode_addr i_parent;
	befs_inode_addr i_attribute;

	union {
		befs_data_stream ds;
		char symlink[BEFS_SYMLINK_LEN];
	} i_data;

	struct inode vfs_inode;
};

enum befs_err {
	BEFS_OK,
	BEFS_ERR,
	BEFS_BAD_INODE,
	BEFS_BT_END,
	BEFS_BT_EMPTY,
	BEFS_BT_MATCH,
	BEFS_BT_OVERFLOW,
	BEFS_BT_NOT_FOUND
};


/****************************/
/* debug.c */
__printf(2, 3)
void befs_error(const struct super_block *sb, const char *fmt, ...);
__printf(2, 3)
void befs_warning(const struct super_block *sb, const char *fmt, ...);
__printf(2, 3)
void befs_debug(const struct super_block *sb, const char *fmt, ...);

void befs_dump_super_block(const struct super_block *sb, befs_super_block *);
void befs_dump_inode(const struct super_block *sb, befs_inode *);
void befs_dump_index_entry(const struct super_block *sb, befs_disk_btree_super *);
void befs_dump_index_node(const struct super_block *sb, befs_btree_nodehead *);
/****************************/


/* Gets a pointer to the private portion of the super_block
 * structure from the public part
 */
static inline struct befs_sb_info *
BEFS_SB(const struct super_block *super)
{

Annotation

Implementation Notes