fs/befs/datastream.c

26 				 befs_blocknr_t blockno, befs_block_run *run);
30 				   befs_blocknr_t blockno,
35 				      befs_blocknr_t blockno,
225  * @blockno: the blocknumber to find
228  * Finds the block run that starts at file block number blockno
230  * blockno is in the direct region of the datastream.
237  * contains the blockno-th filesystem block. This is necessary
245  * When/if blockno is found, if blockno is inside of a block
247  * of the block run, so that blockno is the start and len is
252 		      befs_blocknr_t blockno, befs_block_run *run)
258 	befs_debug(sb, "---> %s, find %lu", __func__, (unsigned long)blockno);
262 		if (blockno >= sum && blockno < sum + (array[i].len)) {
263 			int offset = blockno - sum;
271 				   (unsigned long)blockno, i);
277 		   (unsigned long)blockno);
286  * @blockno: the blocknumber to find
289  * Finds the block run that starts at file block number blockno
291  * blockno is in the indirect region of the datastream.
301  * Really should check to make sure blockno is inside indirect
307 			befs_blocknr_t blockno,
321 	befs_debug(sb, "---> %s, find %lu", __func__, (unsigned long)blockno);
324 	search_blk = blockno - indir_start_blk;
355 					   (unsigned long)blockno,
367 		   "file block %lu", __func__, (unsigned long)blockno);
377  * @blockno: the blocknumber to find
380  * Finds the block run that starts at file block number blockno
382  * blockno is in the double-indirect region of the datastream.
416 			   befs_blocknr_t blockno,
436 	off_t dbl_indir_off = blockno - indir_start_blk;
449 	befs_debug(sb, "---> %s find %lu", __func__, (unsigned long)blockno);
476 			   "double-indirect block at blockno %lu", __func__,
502 			   "at blockno %lu", __func__, (unsigned long)
515 	offset = blockno - blockno_at_run_start;
522 		   blockno, dblindir_indx, indir_indx, dblindir_leftover);