diff options
Diffstat (limited to 'fs/udf/udf_sb.h')
| -rw-r--r-- | fs/udf/udf_sb.h | 75 |
1 files changed, 20 insertions, 55 deletions
diff --git a/fs/udf/udf_sb.h b/fs/udf/udf_sb.h index 3c2982017c6..92e6d75b016 100644 --- a/fs/udf/udf_sb.h +++ b/fs/udf/udf_sb.h @@ -41,40 +41,36 @@ 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;\ - }\ -} +struct logicalVolIntegrityDescImpUse *udf_sb_lvidiu(struct udf_sb_info *sbi); #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);\ + struct udf_sb_info *sbi = UDF_SB(X);\ + sbi->s_partmaps = kmalloc(sizeof(struct udf_part_map) * Y, GFP_KERNEL);\ + if (sbi->s_partmaps != NULL) {\ + sbi->s_partitions = Y;\ + memset(sbi->s_partmaps, 0x00, sizeof(struct udf_part_map) * Y);\ } else {\ - UDF_SB_NUMPARTS(X) = 0;\ + sbi->s_partitions = 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) +\ + struct udf_sb_info *sbi = UDF_SB(X);\ + int nr_groups = ((sbi->s_partmaps[(Y)].s_partition_len + (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);\ + sbi->s_partmaps[(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;\ + sbi->s_partmaps[(Y)].Z.s_bitmap = vmalloc(size);\ + if (sbi->s_partmaps[(Y)].Z.s_bitmap != NULL) {\ + memset(sbi->s_partmaps[(Y)].Z.s_bitmap, 0x00, size);\ + sbi->s_partmaps[(Y)].Z.s_bitmap->s_block_bitmap =\ + (struct buffer_head **)(sbi->s_partmaps[(Y)].Z.s_bitmap + 1);\ + sbi->s_partmaps[(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);\ }\ @@ -90,47 +86,16 @@ static inline struct udf_sb_info *UDF_SB(struct super_block *sb) brelse(UDF_SB_BITMAP(X,Y,Z,i));\ }\ if (size <= PAGE_SIZE)\ - kfree(UDF_SB_PARTMAPS(X)[Y].Z.s_bitmap);\ + kfree(UDF_SB(X)->s_partmaps[Y].Z.s_bitmap);\ else\ - vfree(UDF_SB_PARTMAPS(X)[Y].Z.s_bitmap);\ + vfree(UDF_SB(X)->s_partmaps[Y].Z.s_bitmap);\ } #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 ) +#define UDF_SB_BITMAP(X,Y,Z,I) ( UDF_SB(X)->s_partmaps[(Y)].Z.s_bitmap->s_block_bitmap[I] ) +#define UDF_SB_BITMAP_NR_GROUPS(X,Y,Z) ( UDF_SB(X)->s_partmaps[(Y)].Z.s_bitmap->s_nr_groups ) #endif /* __LINUX_UDF_SB_H */ |