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[linux-2.6-omap-h63xx.git] / fs / udf / udf_sb.h
index 3b2e6c8cb15151389b7e4e2edc6cbc87e592952d..737d1c604eea0330848b1223dc4e696f4fee0cb7 100644 (file)
 #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
@@ -39,104 +43,12 @@ static inline struct udf_sb_info *UDF_SB(struct super_block *sb)
        return sb->s_fs_info;
 }
 
-#define UDF_SB_FREE(X)\
-{\
-       if (UDF_SB(X))\
-       {\
-               kfree(UDF_SB_PARTMAPS(X));\
-               UDF_SB_PARTMAPS(X) = NULL;\
-       }\
-}
-
-#define UDF_SB_ALLOC_PARTMAPS(X,Y)\
-{\
-       UDF_SB_PARTMAPS(X) = kmalloc(sizeof(struct udf_part_map) * Y, GFP_KERNEL);\
-       if (UDF_SB_PARTMAPS(X) != NULL)\
-       {\
-               UDF_SB_NUMPARTS(X) = Y;\
-               memset(UDF_SB_PARTMAPS(X), 0x00, sizeof(struct udf_part_map) * Y);\
-       }\
-       else\
-       {\
-               UDF_SB_NUMPARTS(X) = 0;\
-               udf_error(X, __FUNCTION__, "Unable to allocate space for %d partition maps", Y);\
-       }\
-}
-
-#define UDF_SB_ALLOC_BITMAP(X,Y,Z)\
-{\
-       int nr_groups = ((UDF_SB_PARTLEN((X),(Y)) + (sizeof(struct spaceBitmapDesc) << 3) +\
-               ((X)->s_blocksize * 8) - 1) / ((X)->s_blocksize * 8));\
-       int size = sizeof(struct udf_bitmap) + (sizeof(struct buffer_head *) * nr_groups);\
-       if (size <= PAGE_SIZE)\
-               UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap = kmalloc(size, GFP_KERNEL);\
-       else\
-               UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap = vmalloc(size);\
-       if (UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap != NULL)\
-       {\
-               memset(UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap, 0x00, size);\
-               UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap->s_block_bitmap =\
-                       (struct buffer_head **)(UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap + 1);\
-               UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap->s_nr_groups = nr_groups;\
-       }\
-       else\
-       {\
-               udf_error(X, __FUNCTION__, "Unable to allocate space for bitmap and %d buffer_head pointers", nr_groups);\
-       }\
-}
+struct logicalVolIntegrityDescImpUse *udf_sb_lvidiu(struct udf_sb_info *sbi);
 
-#define UDF_SB_FREE_BITMAP(X,Y,Z)\
-{\
-       int i;\
-       int nr_groups = UDF_SB_BITMAP_NR_GROUPS(X,Y,Z);\
-       int size = sizeof(struct udf_bitmap) + (sizeof(struct buffer_head *) * nr_groups);\
-       for (i=0; i<nr_groups; i++)\
-       {\
-               if (UDF_SB_BITMAP(X,Y,Z,i))\
-                       brelse(UDF_SB_BITMAP(X,Y,Z,i));\
-       }\
-       if (size <= PAGE_SIZE)\
-               kfree(UDF_SB_PARTMAPS(X)[Y].Z.s_bitmap);\
-       else\
-               vfree(UDF_SB_PARTMAPS(X)[Y].Z.s_bitmap);\
-}
+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) ) )
 
-#define UDF_UPDATE_UDFREV(X,Y)                 ( ((Y) > UDF_SB_UDFREV(X)) ? UDF_SB_UDFREV(X) = (Y) : UDF_SB_UDFREV(X) )
-
-#define UDF_SB_PARTMAPS(X)                     ( UDF_SB(X)->s_partmaps )
-#define UDF_SB_PARTTYPE(X,Y)                   ( UDF_SB_PARTMAPS(X)[(Y)].s_partition_type )
-#define UDF_SB_PARTROOT(X,Y)                   ( UDF_SB_PARTMAPS(X)[(Y)].s_partition_root )
-#define UDF_SB_PARTLEN(X,Y)                    ( UDF_SB_PARTMAPS(X)[(Y)].s_partition_len )
-#define UDF_SB_PARTVSN(X,Y)                    ( UDF_SB_PARTMAPS(X)[(Y)].s_volumeseqnum )
-#define UDF_SB_PARTNUM(X,Y)                    ( UDF_SB_PARTMAPS(X)[(Y)].s_partition_num )
-#define UDF_SB_TYPESPAR(X,Y)                   ( UDF_SB_PARTMAPS(X)[(Y)].s_type_specific.s_sparing )
-#define UDF_SB_TYPEVIRT(X,Y)                   ( UDF_SB_PARTMAPS(X)[(Y)].s_type_specific.s_virtual )
-#define UDF_SB_PARTFUNC(X,Y)                   ( UDF_SB_PARTMAPS(X)[(Y)].s_partition_func )
-#define UDF_SB_PARTFLAGS(X,Y)                  ( UDF_SB_PARTMAPS(X)[(Y)].s_partition_flags )
-#define UDF_SB_BITMAP(X,Y,Z,I)                 ( UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap->s_block_bitmap[I] )
-#define UDF_SB_BITMAP_NR_GROUPS(X,Y,Z)         ( UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap->s_nr_groups )
-
-#define UDF_SB_VOLIDENT(X)                     ( UDF_SB(X)->s_volident )
-#define UDF_SB_NUMPARTS(X)                     ( UDF_SB(X)->s_partitions )
-#define UDF_SB_PARTITION(X)                    ( UDF_SB(X)->s_partition )
-#define UDF_SB_SESSION(X)                      ( UDF_SB(X)->s_session )
-#define UDF_SB_ANCHOR(X)                       ( UDF_SB(X)->s_anchor )
-#define UDF_SB_LASTBLOCK(X)                    ( UDF_SB(X)->s_lastblock )
-#define UDF_SB_LVIDBH(X)                       ( UDF_SB(X)->s_lvidbh )
-#define UDF_SB_LVID(X)                         ( (struct logicalVolIntegrityDesc *)UDF_SB_LVIDBH(X)->b_data )
-#define UDF_SB_LVIDIU(X)                       ( (struct logicalVolIntegrityDescImpUse *)&(UDF_SB_LVID(X)->impUse[le32_to_cpu(UDF_SB_LVID(X)->numOfPartitions) * 2 * sizeof(uint32_t)/sizeof(uint8_t)]) )
-
-#define UDF_SB_UMASK(X)                                ( UDF_SB(X)->s_umask )
-#define UDF_SB_GID(X)                          ( UDF_SB(X)->s_gid )
-#define UDF_SB_UID(X)                          ( UDF_SB(X)->s_uid )
-#define UDF_SB_RECORDTIME(X)                   ( UDF_SB(X)->s_recordtime )
-#define UDF_SB_SERIALNUM(X)                    ( UDF_SB(X)->s_serialnum )
-#define UDF_SB_UDFREV(X)                       ( UDF_SB(X)->s_udfrev )
-#define UDF_SB_FLAGS(X)                                ( UDF_SB(X)->s_flags )
-#define UDF_SB_VAT(X)                          ( UDF_SB(X)->s_vat )
-
 #endif /* __LINUX_UDF_SB_H */