fs/ext4/ext4_common.c

203 	ALLOC_CACHE_ALIGN_BUFFER(unsigned char, sec_buf, fs->dev_desc->blksz);
207 	remainder = off & (uint64_t)(fs->dev_desc->blksz - 1);
256 	for (j = 0; j < fs->blksz; j++) {
287 		if (count == (fs->blksz * 8))
291 	if (fs->blksz == 1024)
496 	zero_buffer = zalloc(fs->blksz);
501 	root_first_block_buffer = zalloc(fs->blksz);
523 				0, fs->blksz, root_first_block_buffer);
537 		if (fs->blksz - totalbytes == le16_to_cpu(dir->direntlen)) {
566 				put_ext4((uint64_t)new_blk_no * fs->blksz, zero_buffer, fs->blksz);
572 				new_size += fs->blksz;
576 				new_blockcnt += fs->blksz >> LOG2_SECTOR_SIZE;
611 		dir->direntlen = cpu_to_le16(fs->blksz - totalbytes);
647 	block_buffer = zalloc(fs->blksz);
659 					0, fs->blksz, (char *)block_buffer);
685 		} while (offset < fs->blksz);
878 	block_buffer = zalloc(fs->blksz);
884 				fs->blksz, block_buffer);
911 	} while (offset < fs->blksz);
970 	char *journal_buffer = zalloc(fs->blksz);
971 	char *zero_buffer = zalloc(fs->blksz);
985 					       fs->blksz);
986 					put_ext4(b_bitmap_blk * fs->blksz,
987 						 fs->blk_bmaps[i], fs->blksz);
997 						(i * fs->blksz * 8);
1003 							0, fs->blksz,
1022 		if (fs->blksz == 1024) {
1040 			if (fs->blksz == 1024)
1048 			memcpy(fs->blk_bmaps[bg_idx], zero_buffer, fs->blksz);
1049 			put_ext4(b_bitmap_blk * fs->blksz,
1050 				 zero_buffer, fs->blksz);
1066 						0, fs->blksz, journal_buffer);
1098 	char *journal_buffer = zalloc(fs->blksz);
1099 	char *zero_buffer = zalloc(fs->blksz);
1118 					put_ext4(i_bitmap_blk * fs->blksz,
1119 						 zero_buffer, fs->blksz);
1123 					       zero_buffer, fs->blksz);
1139 							0, fs->blksz,
1162 			put_ext4(i_bitmap_blk * fs->blksz,
1163 				 zero_buffer, fs->blksz);
1167 				fs->blksz);
1181 						0, fs->blksz, journal_buffer);
1224 		si_buffer = zalloc(fs->blksz);
1239 					0, fs->blksz, (char *)si_buffer);
1240 		memset(si_buffer, '\0', fs->blksz);
1244 		for (i = 0; i < (fs->blksz / sizeof(int)); i++) {
1261 		put_ext4(((uint64_t) ((uint64_t)si_blockno * (uint64_t)fs->blksz)),
1262 			 si_start_addr, fs->blksz);
1293 		di_parent_buffer = zalloc(fs->blksz);
1304 					fs->blksz, (char *)di_parent_buffer);
1310 		memset(di_parent_buffer, '\0', fs->blksz);
1316 		for (i = 0; i < (fs->blksz / sizeof(int)); i++) {
1322 			di_child_buff = zalloc(fs->blksz);
1335 						fs->blksz,
1342 			memset(di_child_buff, '\0', fs->blksz);
1344 			for (j = 0; j < (fs->blksz / sizeof(int)); j++) {
1360 			put_ext4(((uint64_t) ((uint64_t)di_blockno_child * (uint64_t)fs->blksz)),
1361 				 di_child_buff_start, fs->blksz);
1368 		put_ext4(((uint64_t) ((uint64_t)di_blockno_parent * (uint64_t)fs->blksz)),
1369 			 di_block_start_addr, fs->blksz);
1402 		ti_gp_buff = zalloc(fs->blksz);
1412 		for (i = 0; i < (fs->blksz / sizeof(int)); i++) {
1418 			ti_parent_buff = zalloc(fs->blksz);
1430 			for (j = 0; j < (fs->blksz / sizeof(int)); j++) {
1436 				ti_child_buff = zalloc(fs->blksz);
1448 				for (k = 0; k < (fs->blksz / sizeof(int));
1468 						      (uint64_t)fs->blksz)),
1469 					 ti_cbuff_start_addr, fs->blksz);
1476 			put_ext4(((uint64_t) ((uint64_t)ti_parent_blockno * (uint64_t)fs->blksz)),
1477 				 ti_pbuff_start_addr, fs->blksz);
1484 		put_ext4(((uint64_t) ((uint64_t)ti_gp_blockno * (uint64_t)fs->blksz)),
1485 			 ti_gp_buff_start_addr, fs->blksz);
1535 	int blksz = EXT2_BLOCK_SIZE(data);
1563 		if (!ext_cache_read(cache, (lbaint_t)block, blksz))
1649 	int blksz;
1657 	blksz = EXT2_BLOCK_SIZE(ext4fs_root);
1718 	else if (fileblock < (INDIRECT_BLOCKS + (blksz / 4))) {
1720 			ext4fs_indir1_block = zalloc(blksz);
1726 			ext4fs_indir1_size = blksz;
1729 		if (blksz != ext4fs_indir1_size) {
1734 			ext4fs_indir1_block = zalloc(blksz);
1740 			ext4fs_indir1_size = blksz;
1748 					   blksz, (char *)ext4fs_indir1_block);
1762 	else if (fileblock < (INDIRECT_BLOCKS + (blksz / 4 *
1763 					(blksz / 4 + 1)))) {
1765 		long int perblock = blksz / 4;
1766 		long int rblock = fileblock - (INDIRECT_BLOCKS + blksz / 4);
1769 			ext4fs_indir1_block = zalloc(blksz);
1775 			ext4fs_indir1_size = blksz;
1778 		if (blksz != ext4fs_indir1_size) {
1783 			ext4fs_indir1_block = zalloc(blksz);
1789 			ext4fs_indir1_size = blksz;
1797 					   0, blksz,
1810 			ext4fs_indir2_block = zalloc(blksz);
1816 			ext4fs_indir2_size = blksz;
1819 		if (blksz != ext4fs_indir2_size) {
1824 			ext4fs_indir2_block = zalloc(blksz);
1830 			ext4fs_indir2_size = blksz;
1838 						blksz,
1855 		rblock = fileblock - (INDIRECT_BLOCKS + blksz / 4 +
1856 				      (blksz / 4 * blksz / 4));
1857 		perblock_child = blksz / 4;
1858 		perblock_parent = ((blksz / 4) * (blksz / 4));
1861 			ext4fs_indir1_block = zalloc(blksz);
1867 			ext4fs_indir1_size = blksz;
1870 		if (blksz != ext4fs_indir1_size) {
1875 			ext4fs_indir1_block = zalloc(blksz);
1881 			ext4fs_indir1_size = blksz;
1888 			     << log2_blksz, 0, blksz,
1901 			ext4fs_indir2_block = zalloc(blksz);
1907 			ext4fs_indir2_size = blksz;
1910 		if (blksz != ext4fs_indir2_size) {
1915 			ext4fs_indir2_block = zalloc(blksz);
1921 			ext4fs_indir2_size = blksz;
1931 						log2_blksz, 0, blksz,
1945 			ext4fs_indir3_block = zalloc(blksz);
1951 			ext4fs_indir3_size = blksz;
1954 		if (blksz != ext4fs_indir3_size) {
1959 			ext4fs_indir3_block = zalloc(blksz);
1965 			ext4fs_indir3_size = blksz;
1975 					     % (blksz / 4)]) << log2_blksz, 0,
1976 					   blksz, (char *)ext4fs_indir3_block);
1985 							      (blksz /