fs/affs/file.c

300 	struct buffer_head	*ext_bh;
319 	ext_bh = affs_get_extblock(inode, ext);
320 	if (IS_ERR(ext_bh))
322 	map_bh(bh_result, sb, (sector_t)be32_to_cpu(AFFS_BLOCK(sb, ext_bh, block)));
325 		u32 blocknr = affs_alloc_block(inode, ext_bh->b_blocknr);
337 		AFFS_BLOCK(sb, ext_bh, block) = cpu_to_be32(blocknr);
338 		AFFS_HEAD(ext_bh)->block_count = cpu_to_be32(block + 1);
339 		affs_adjust_checksum(ext_bh, blocknr - bh_result->b_blocknr + 1);
344 			u32 tmp = be32_to_cpu(AFFS_HEAD(ext_bh)->first_data);
347 			AFFS_HEAD(ext_bh)->first_data = cpu_to_be32(blocknr);
348 			affs_adjust_checksum(ext_bh, blocknr - tmp);
352 	affs_brelse(ext_bh);
364 	return PTR_ERR(ext_bh);
366 	brelse(ext_bh);
870 	struct buffer_head *ext_bh;
901 	ext_bh = affs_get_extblock(inode, ext);
902 	if (IS_ERR(ext_bh)) {
905 			     ext, PTR_ERR(ext_bh));
921 	ext_key = be32_to_cpu(AFFS_TAIL(sb, ext_bh)->extension);
930 		AFFS_HEAD(ext_bh)->first_data = 0;
931 	AFFS_HEAD(ext_bh)->block_count = cpu_to_be32(i);
936 		affs_free_block(sb, be32_to_cpu(AFFS_BLOCK(sb, ext_bh, i)));
937 		AFFS_BLOCK(sb, ext_bh, i) = 0;
939 	AFFS_TAIL(sb, ext_bh)->extension = 0;
940 	affs_fix_checksum(sb, ext_bh);
941 	mark_buffer_dirty_inode(ext_bh, inode);
942 	affs_brelse(ext_bh);
969 		ext_bh = affs_bread(sb, ext_key);
974 			affs_free_block(sb, be32_to_cpu(AFFS_BLOCK(sb, ext_bh, i)));
976 		ext_key = be32_to_cpu(AFFS_TAIL(sb, ext_bh)->extension);
977 		affs_brelse(ext_bh);