227 	struct bootblock *boot;  in resetDosDirSection()  local
229 	boot = fat_get_boot(fat);  in resetDosDirSection()
231 	rootdir_size = boot->bpbRootDirEnts * 32;  in resetDosDirSection()
232 	cluster_size = boot->bpbSecPerClust * boot->bpbBytesPerSec;  in resetDosDirSection()
253 	if (boot->flags & FAT32) {  in resetDosDirSection()
254 		if (!fat_is_cl_head(fat, boot->bpbRootClust)) {  in resetDosDirSection()
258 		rootDir->head = boot->bpbRootClust;  in resetDosDirSection()
304 	struct bootblock *boot;  in delete()  local
306 	boot = fat_get_boot(fat);  in delete()
308 	clsz = boot->bpbSecPerClust * boot->bpbBytesPerSec;  in delete()
318 		off = (startcl - CLUST_FIRST) * boot->bpbSecPerClust + boot->FirstCluster;  in delete()
320 		off *= boot->bpbBytesPerSec;  in delete()
393 	struct bootblock *boot;  in checksize()  local
395 	boot = fat_get_boot(fat);  in checksize()
422 		physicalSize = (u_int64_t)chainsize * boot->ClusterSize;  in checksize()
436 	} else if (physicalSize - dir->size >= boot->ClusterSize) {  in checksize()
444 			    (sz += boot->ClusterSize) < dir->size; len++)  in checksize()
471 	struct bootblock *boot;  in check_subdirectory()  local
473 	boot = fat_get_boot(fat);  in check_subdirectory()
481 	if (!(boot->flags & FAT32) && !dir->parent) {  in check_subdirectory()
482 		off = boot->bpbResSectors + boot->bpbFATs *  in check_subdirectory()
483 			boot->FATsecs;  in check_subdirectory()
485 		off = (cl - CLUST_FIRST) * boot->bpbSecPerClust + boot->FirstCluster;  in check_subdirectory()
493 	buf = malloc(boot->bpbBytesPerSec);  in check_subdirectory()
496 		    boot->bpbBytesPerSec);  in check_subdirectory()
500 	off *= boot->bpbBytesPerSec;  in check_subdirectory()
502 	    read(fd, buf, boot->bpbBytesPerSec) != (ssize_t)boot->bpbBytesPerSec) {  in check_subdirectory()
538 	struct bootblock *boot;  in readDosDirSection()  local
552 	boot = fat_get_boot(fat);  in readDosDirSection()
574 	is_legacyroot = (dir->parent == NULL && !(boot->flags & FAT32));  in readDosDirSection()
576 		iosize = boot->bpbRootDirEnts * 32;  in readDosDirSection()
577 		entries = boot->bpbRootDirEnts;  in readDosDirSection()
579 		iosize = boot->bpbSecPerClust * boot->bpbBytesPerSec;  in readDosDirSection()
590 			off = boot->bpbResSectors + boot->bpbFATs *  in readDosDirSection()
591 			    boot->FATsecs;  in readDosDirSection()
597 			off = (cl - CLUST_FIRST) * boot->bpbSecPerClust + boot->FirstCluster;  in readDosDirSection()
600 		off *= boot->bpbBytesPerSec;  in readDosDirSection()
785 			if (boot->ClustMask == CLUST32_MASK)  in readDosDirSection()
860 							if (boot->ClustMask == CLUST32_MASK)  in readDosDirSection()
897 							if (boot->ClustMask == CLUST32_MASK) {  in readDosDirSection()
915 									if (boot->ClustMask == CLUST32_MASK)  in readDosDirSection()
928 								if (boot->ClustMask == CLUST32_MASK) {  in readDosDirSection()
992 			boot->NumFiles++;  in readDosDirSection()
1077 	struct bootblock *boot = fat_get_boot(fat);  in reconnect()  local
1098 		lfbuf = malloc(boot->ClusterSize);  in reconnect()
1108 			for (; p < lfbuf + boot->ClusterSize; p += 32)  in reconnect()
1112 		if (p && p < lfbuf + boot->ClusterSize)  in reconnect()
1115 		if (lfcl < CLUST_FIRST || lfcl >= boot->NumClusters) {  in reconnect()
1118 			lfcl = (lostDir->head < boot->NumClusters) ? lostDir->head : 0;  in reconnect()
1121 		lfoff = (lfcl - CLUST_FIRST) * boot->ClusterSize  in reconnect()
1122 		    + boot->FirstCluster * boot->bpbBytesPerSec;  in reconnect()
1125 		    || (size_t)read(dosfs, lfbuf, boot->ClusterSize) != boot->ClusterSize) {  in reconnect()
1132 	boot->NumFiles++;  in reconnect()
1139 	d.size = length * boot->ClusterSize;  in reconnect()
1146 	if (boot->ClustMask == CLUST32_MASK) {  in reconnect()
1155 	    || (size_t)write(dosfs, lfbuf, boot->ClusterSize) != boot->ClusterSize) {  in reconnect()