bsd/vfs/vfs_journal.c

129 // JOURNAL_FLUSH_TRIM_EXTENTS extents to be trimmed (even if the number
139 SYSCTL_UINT (_kern, OID_AUTO, jnl_trim_flush, CTLFLAG_RW, &jnl_trim_flush_limit, 0, "number of trimmed extents to cause a journal flush");
150 // number of bytes to checksum in a block_list_header
461 		// or if the total number of printfs is less than 25.  We
583 	// update the number of blocks that have been flushed.
1011 				// if we partially overlap this entry, adjust its block number, jnl offset, and size
1243 				printf("jnl: %s: replay_journal: bogus block number 0x%llx\n", jnl->jdev_name, blhdr->binfo[i].bnum);
1271 			off_t number;
1274 			number = blhdr->binfo[i].bnum;
1277 			if (number == (off_t)-1) {
1301 						       jnl->jdev_name, txn_start_offset, blhdr_offset, i, number, size, disk_cksum, blhdr->binfo[i].u.bi.b.cksum);
1313 				// printf("jnl: replay_journal: adding block 0x%llx\n", number);
1314 				ret_val = add_block(jnl, &co_buf, number, size, (size_t) offset, blhdr->binfo[i].u.bi.b.cksum, &num_buckets, &num_full);
1319 				} // else printf("jnl: replay_journal: added block 0x%llx at i=%d\n", number);
1413 		off_t number = co_buf[i].block_num;
1419 		if (number == (off_t)-1) {
1430 			if (update_fs_block(jnl, block_ptr, number, size) != 0) {
1501 	// size up the transaction buffer... can't be larger than the number
1723 	// in it that we might replay if we happen to pick a sequence number
1731 	// journal header and the sequence number is non-zero we write junk
1741 		printf("jnl: create: avoiding old sequence number 0x%x (0x%x)\n", jnl->jhdr->sequence_num, new_txn_base);
2006 	 * be aligned on the new block size.  We pick a new sequence number to
3047  ;	length		- The number of bytes of the extent being searched for.
3100 ;	length		- The number of bytes of the extent being trimmed.
3136 	 * input extent.  We start by counting the number of extents that end
3137 	 * strictly before the input extent, then count the number of extents
3154 	 * then just insert it in the list (before item number insert_index).
3186 	 * Update extent number insert_index to be the union of the input extent
3237 ;	length		- The number of bytes of the extent being trimmed.
3364  ;	length		- The number of bytes of the extent being trimmed.
3593     // the number of extents waiting to be trimmed.  If it is
3646 	 * snapshot the transaction sequence number while we are still behind
3948 				// update this so we write out the correct physical block number!