bsd/vfs/vfs_journal.c

128 // We'll opt to flush a transaction if it contains at least
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");
489 	// have to flush after writing the journal header so that
559 	//printf("jnl: buf flush: bp @ 0x%x l/blkno %qd/%qd vp 0x%x tr @ 0x%x\n",
1644 			   void        (*flush)(void *arg),
1700 	jnl->flush        = flush;
1820 			 void        (*flush)(void *arg),
1870 	jnl->flush        = flush;
2206 			 * "journal_end_transaction" will fire the flush asynchronously
2211 		// flush any buffered transactions
2217 			 * "end_transaction" will wait for any in-progress flush to complete
2224 		 * it to flush if there was no "cur_tr" to process
2234 			if (jnl->flush) {
2235 				jnl->flush(jnl->flush_arg);
2241 			printf("jnl: %s: close: buffer flushing didn't seem to flush out all the transactions! (0x%llx - 0x%llx)\n",
2378 				if (jnl->flush) {
2379 					jnl->flush(jnl->flush_arg);
2430 		// if the file system gave us a flush function, call it to so that
2431 		// it can flush some blocks which hopefully will cause some transactions
2433 		if (jnl->flush) {
2434 			jnl->flush(jnl->flush_arg);
3587     // on to it and don't actually flush anything.  this is
3588     // what is known as "group commit".  we will flush the
3648 	 * next transaction group which may overlap the current journal flush...
3650 	 * flush so that it can write the correct version in the header...
3652 	 * of the journal flush, 'saved_sequence_num' remains stable
3657 	 * if we're here we're going to flush the transaction buffer to disk.
4345 	// the FS flush function, we don't panic in journal_flush()
4402 	// if we're not active, flush any buffered transactions
4413 		 * "end_transction" will wait for any current async flush
4416 		 * synchronously flush the "cur_tr"
4427 		 * If there is nothing to flush currently, we should
4560 	 * active transaction to make journal_flush flush out non-active but
4642 	       __unused void        (*flush)(void *arg),
4656 	     __unused void        (*flush)(void *arg),