linux/fs/udf/udf_sb.h

#ifndef __LINUX_UDF_SB_H
#define __LINUX_UDF_SB_H

/* Since UDF 2.01 is ISO 13346 based... */
#define UDF_SUPER_MAGIC			0x15013346

#define UDF_MAX_READ_VERSION		0x0201
#define UDF_MAX_WRITE_VERSION		0x0201

#define UDF_FLAG_USE_EXTENDED_FE	0
#define UDF_VERS_USE_EXTENDED_FE	0x0200
#define UDF_FLAG_USE_STREAMS		1
#define UDF_VERS_USE_STREAMS		0x0200
#define UDF_FLAG_USE_SHORT_AD		2
#define UDF_FLAG_USE_AD_IN_ICB		3
#define UDF_FLAG_USE_FILE_CTIME_EA	4
#define UDF_FLAG_STRICT			5
#define UDF_FLAG_UNDELETE		6
#define UDF_FLAG_UNHIDE			7
#define UDF_FLAG_VARCONV		8
#define UDF_FLAG_NLS_MAP		9
#define UDF_FLAG_UTF8			10
#define UDF_FLAG_UID_FORGET     11    /* save -1 for uid to disk */
#define UDF_FLAG_UID_IGNORE     12    /* use sb uid instead of on disk uid */
#define UDF_FLAG_GID_FORGET     13
#define UDF_FLAG_GID_IGNORE     14
#define UDF_FLAG_UID_SET	15
#define UDF_FLAG_GID_SET	16
#define UDF_FLAG_SESSION_SET	17
#define UDF_FLAG_LASTBLOCK_SET	18

#define UDF_PART_FLAG_UNALLOC_BITMAP	0x0001
#define UDF_PART_FLAG_UNALLOC_TABLE	0x0002
#define UDF_PART_FLAG_FREED_BITMAP	0x0004
#define UDF_PART_FLAG_FREED_TABLE	0x0008
#define UDF_PART_FLAG_READ_ONLY		0x0010
#define UDF_PART_FLAG_WRITE_ONCE	0x0020
#define UDF_PART_FLAG_REWRITABLE	0x0040
#define UDF_PART_FLAG_OVERWRITABLE	0x0080

static inline struct udf_sb_info *UDF_SB(struct super_block *sb)
{
	return sb->s_fs_info;
}

struct logicalVolIntegrityDescImpUse *udf_sb_lvidiu(struct udf_sb_info *sbi);

int udf_compute_nr_groups(struct super_block *sb, u32 partition);

#define UDF_QUERY_FLAG(X,Y)			( UDF_SB(X)->s_flags & ( 1 << (Y) ) )
#define UDF_SET_FLAG(X,Y)			( UDF_SB(X)->s_flags |= ( 1 << (Y) ) )
#define UDF_CLEAR_FLAG(X,Y)			( UDF_SB(X)->s_flags &= ~( 1 << (Y) ) )

#endif /* __LINUX_UDF_SB_H */