X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=io_u.c;h=e283e7276a84ca75b6a11de4d3c40d9dcd93e716;hp=978771e1370378ada310bc303b686f20fd7a2763;hb=f7c9e00eee87dc4eb24fc6e6ad68af38ba2bbe98;hpb=bdb4e2e99d4a87e5d3677cc09aa1ce92135125a9

diff --git a/io_u.c b/io_u.c
index 978771e1..e283e727 100644
--- a/io_u.c
+++ b/io_u.c
@@ -286,8 +286,8 @@ static void io_u_mark_depth(struct thread_data *td)
 		break;
 	}
 
-	td->io_u_map[index]++;
-	td->total_io_u++;
+	td->ts.io_u_map[index]++;
+	td->ts.total_io_u++;
 }
 
 static void io_u_mark_latency(struct thread_data *td, unsigned long msec)
@@ -321,7 +321,7 @@ static void io_u_mark_latency(struct thread_data *td, unsigned long msec)
 		break;
 	}
 
-	td->io_u_lat[index]++;
+	td->ts.io_u_lat[index]++;
 }
 
 /*
@@ -329,14 +329,15 @@ static void io_u_mark_latency(struct thread_data *td, unsigned long msec)
  */
 static struct fio_file *get_next_file_rand(struct thread_data *td)
 {
-	long r = os_random_long(&td->next_file_state);
 	unsigned int fileno;
 	struct fio_file *f;
 
 	do {
-		fileno = (unsigned int) ((double) (td->nr_files - 1) * r / (RAND_MAX + 1.0));
+		long r = os_random_long(&td->next_file_state);
+
+		fileno = (unsigned int) ((double) (td->open_files * r) / (RAND_MAX + 1.0));
 		f = &td->files[fileno];
-		if (f->fd != -1)
+		if (f->open)
 			return f;
 	} while (1);
 }
@@ -353,10 +354,10 @@ static struct fio_file *get_next_file_rr(struct thread_data *td)
 		f = &td->files[td->next_file];
 
 		td->next_file++;
-		if (td->next_file >= td->nr_files)
+		if (td->next_file >= td->open_files)
 			td->next_file = 0;
 
-		if (f->fd != -1)
+		if (f->open)
 			break;
 
 		f = NULL;
@@ -440,7 +441,21 @@ struct io_u *get_io_u(struct thread_data *td)
 		 * No more to do for this file, close it
 		 */
 		io_u->file = NULL;
-		close_file(td, f);
+		td_io_close_file(td, f);
+
+		/*
+		 * probably not the right place to do this, but see
+		 * if we need to open a new file
+		 */
+		if (td->nr_open_files < td->nr_files &&
+		    td->open_files != td->nr_files) {
+			int ret = td_io_open_file(td, f);
+
+			if (ret) {
+				put_io_u(td, io_u);
+				return NULL;
+			}
+		}
 	} while (1);
 
 	if (td->zone_bytes >= td->zone_size) {
@@ -485,6 +500,23 @@ out:
 	return io_u;
 }
 
+void io_u_log_error(struct thread_data *td, struct io_u *io_u)
+{
+	const char *msg[] = { "read", "write", "sync" };
+
+	log_err("fio: io_u error");
+
+	if (io_u->file)
+		log_err(" on file %s", io_u->file->file_name);
+
+	log_err(": %s\n", strerror(io_u->error));
+
+	log_err("     %s offset=%llu, buflen=%lu\n", msg[io_u->ddir], io_u->offset, io_u->xfer_buflen);
+
+	if (!td->error)
+		td_verror(td, io_u->error, "io_u error");
+}
+
 static void io_completed(struct thread_data *td, struct io_u *io_u,
 			 struct io_completion_data *icd)
 {
@@ -528,8 +560,10 @@ static void io_completed(struct thread_data *td, struct io_u *io_u,
 			if (ret && !icd->error)
 				icd->error = ret;
 		}
-	} else
+	} else {
 		icd->error = io_u->error;
+		io_u_log_error(td, io_u);
+	}
 }
 
 static void init_icd(struct io_completion_data *icd, int nr)
@@ -570,6 +604,7 @@ long io_u_sync_complete(struct thread_data *td, struct io_u *io_u)
 	if (!icd.error)
 		return icd.bytes_done[0] + icd.bytes_done[1];
 
+	td_verror(td, icd.error, "io_u_sync_complete");
 	return -1;
 }
 
@@ -600,6 +635,7 @@ long io_u_queued_complete(struct thread_data *td, int min_events)
 	if (!icd.error)
 		return icd.bytes_done[0] + icd.bytes_done[1];
 
+	td_verror(td, icd.error, "io_u_queued_complete");
 	return -1;
 }