fs/udf/super.c

6  *  Super block routines for the OSTA-UDF(tm) filesystem.
441  *	bs=		Set the block size.
461  *	lastblock=	Set the last block of the filesystem/
465  *	fileset=	Override the fileset block location. (unused)
770 		/* Read a block */
849 	udf_debug("Rootdir at block=%u, partition=%u\n",
874 	udf_debug("Fileset at block=%u, partition=%u\n",
889 static int udf_load_pvoldesc(struct super_block *sb, sector_t block)
902 	bh = udf_read_tagged(sb, block, block, &ident);
986 	udf_debug("Metadata file location: block = %u part = %u\n",
993 		udf_debug("Mirror metadata file location: block = %u part = %u\n",
1017 		udf_debug("Bitmap file location: block = %u part = %u\n",
1129 	udf_debug("Partition (%d type %x) starts at physical %u, block length %u\n",
1191 	 * VAT file entry is in the last recorded block. Some broken disks have
1219 		pr_notice("Failed to read VAT inode from the last recorded block (%lu), retrying with the last block of the device (%lu).\n",
1260  * Load partition descriptor block
1265 static int udf_load_partdesc(struct super_block *sb, sector_t block)
1276 	bh = udf_read_tagged(sb, block, block, &ident);
1417 static int udf_load_logicalvol(struct super_block *sb, sector_t block,
1430 	bh = udf_read_tagged(sb, block, block, &ident);
1550 		udf_debug("FileSet found in LogicalVolDesc at block=%u, partition=%u\n",
1708  *   @block		First block of first extent of the sequence.
1717 		sector_t block, sector_t lastblock,
1745 	for (; (!done && block <= lastblock); block++) {
1746 		bh = udf_read_tagged(sb, block, block, &ident);
1765 			block = le32_to_cpu(vdp->nextVolDescSeqExt.extLocation);
1769 			lastblock += block - 1;
1770 			/* For loop is going to increment 'block' again */
1771 			block--;
1789 				curr->block = block;
1802 	if (!data.vds[VDS_POS_PRIMARY_VOL_DESC].block) {
1807 	ret = udf_load_pvoldesc(sb, data.vds[VDS_POS_PRIMARY_VOL_DESC].block);
1811 	if (data.vds[VDS_POS_LOGICAL_VOL_DESC].block) {
1813 				data.vds[VDS_POS_LOGICAL_VOL_DESC].block,
1821 		ret = udf_load_partdesc(sb, data.part_descs_loc[i].rec.block);
1874  * Check whether there is an anchor block in the given block and
1878  * block
1880 static int udf_check_anchor_block(struct super_block *sb, sector_t block,
1887 	bh = udf_read_tagged(sb, block, block, &ident);
1922 	 *     block 256
1931 	 * The trouble is which block is the last one. Drives often misreport
1964 	/* Finally try block 512 in case media is open */
1969  * Check Volume Structure Descriptor, find Anchor block and load Volume
1973  * block was not found.
1984 			udf_warn(sb, "Bad block size\n");
2006 	/* Look for anchor block and load Volume Descriptor Sequence */
2275 	/* assign inodes by physical block number */
2279 		udf_err(sb, "Error in udf_iget, block=%u, partition=%u\n",
2396 	 * Let's pretend each free block is also a free 'inode' since UDF does
2415 	udf_pblk_t block = 0, newblock;
2437 	index = sizeof(struct spaceBitmapDesc); /* offset in first block only */
2447 			newblock = udf_get_lb_pblock(sb, &loc, ++block);
2471 	epos.block = UDF_I(table)->i_location;