X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=ioengines.c;h=b9200ba9223488923ed2cc879d58971c31c70dab;hp=1bfc06f96d12bf15f07e8aded629e8fa9c7cc92d;hb=e08e2dd7b77f99e4bb904fc1df2395c2fe2ffbbe;hpb=d25f5ae81c4a5dedf4f5c5a2323a20fe77e5b86f

diff --git a/ioengines.c b/ioengines.c
index 1bfc06f9..b9200ba9 100644
--- a/ioengines.c
+++ b/ioengines.c
@@ -9,7 +9,6 @@
  * generic io engine that could be used for other projects.
  *
  */
-#include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
 #include <string.h>
@@ -19,6 +18,7 @@
 
 #include "fio.h"
 #include "diskutil.h"
+#include "zbd.h"
 
 static FLIST_HEAD(engine_list);
 
@@ -52,14 +52,12 @@ static bool check_engine_ops(struct ioengine_ops *ops)
 void unregister_ioengine(struct ioengine_ops *ops)
 {
 	dprint(FD_IO, "ioengine %s unregistered\n", ops->name);
-	flist_del(&ops->list);
-	INIT_FLIST_HEAD(&ops->list);
+	flist_del_init(&ops->list);
 }
 
 void register_ioengine(struct ioengine_ops *ops)
 {
 	dprint(FD_IO, "ioengine %s registered\n", ops->name);
-	INIT_FLIST_HEAD(&ops->list);
 	flist_add_tail(&ops->list, &engine_list);
 }
 
@@ -123,19 +121,15 @@ static struct ioengine_ops *dlopen_ioengine(struct thread_data *td,
 	return ops;
 }
 
-static struct ioengine_ops *__load_ioengine(const char *name)
+static struct ioengine_ops *__load_ioengine(const char *engine)
 {
-	char engine[64];
-
-	engine[sizeof(engine) - 1] = '\0';
-	strncpy(engine, name, sizeof(engine) - 1);
-
 	/*
 	 * linux libaio has alias names, so convert to what we want
 	 */
-	if (!strncmp(engine, "linuxaio", 8) || !strncmp(engine, "aio", 3)) {
-		dprint(FD_IO, "converting ioengine name: %s -> libaio\n", name);
-		strcpy(engine, "libaio");
+	if (!strncmp(engine, "linuxaio", 8)) {
+		dprint(FD_IO, "converting ioengine name: %s -> libaio\n",
+		       engine);
+		engine = "libaio";
 	}
 
 	dprint(FD_IO, "load ioengine %s\n", engine);
@@ -196,8 +190,10 @@ void free_ioengine(struct thread_data *td)
 		td->eo = NULL;
 	}
 
-	if (td->io_ops_dlhandle)
+	if (td->io_ops_dlhandle) {
 		dlclose(td->io_ops_dlhandle);
+		td->io_ops_dlhandle = NULL;
+	}
 
 	td->io_ops = NULL;
 }
@@ -224,7 +220,8 @@ int td_io_prep(struct thread_data *td, struct io_u *io_u)
 	if (td->io_ops->prep) {
 		int ret = td->io_ops->prep(td, io_u);
 
-		dprint(FD_IO, "->prep(%p)=%d\n", io_u, ret);
+		dprint(FD_IO, "prep: io_u %p: ret=%d\n", io_u, ret);
+
 		if (ret)
 			unlock_file(td, io_u->file);
 		return ret;
@@ -276,11 +273,11 @@ out:
 	return r;
 }
 
-int td_io_queue(struct thread_data *td, struct io_u *io_u)
+enum fio_q_status td_io_queue(struct thread_data *td, struct io_u *io_u)
 {
 	const enum fio_ddir ddir = acct_ddir(io_u);
-	unsigned long buflen = io_u->xfer_buflen;
-	int ret;
+	unsigned long long buflen = io_u->xfer_buflen;
+	enum fio_q_status ret;
 
 	dprint_io_u(io_u, "queue");
 	fio_ro_check(td, io_u);
@@ -288,6 +285,15 @@ int td_io_queue(struct thread_data *td, struct io_u *io_u)
 	assert((io_u->flags & IO_U_F_FLIGHT) == 0);
 	io_u_set(td, io_u, IO_U_F_FLIGHT);
 
+	/*
+	 * If overlap checking was enabled in offload mode we
+	 * can release this lock that was acquired when we
+	 * started the overlap check because the IO_U_F_FLIGHT
+	 * flag is now set
+	 */
+	if (td_offload_overlap(td))
+		pthread_mutex_unlock(&overlap_check);
+
 	assert(fio_file_open(io_u->file));
 
 	/*
@@ -298,7 +304,9 @@ int td_io_queue(struct thread_data *td, struct io_u *io_u)
 	io_u->error = 0;
 	io_u->resid = 0;
 
-	if (td_ioengine_flagged(td, FIO_SYNCIO)) {
+	if (td_ioengine_flagged(td, FIO_SYNCIO) ||
+		(td_ioengine_flagged(td, FIO_ASYNCIO_SYNC_TRIM) && 
+		io_u->ddir == DDIR_TRIM)) {
 		if (fio_fill_issue_time(td))
 			fio_gettime(&io_u->issue_time, NULL);
 
@@ -311,12 +319,15 @@ int td_io_queue(struct thread_data *td, struct io_u *io_u)
 	}
 
 	if (ddir_rw(ddir)) {
-		td->io_issues[ddir]++;
-		td->io_issue_bytes[ddir] += buflen;
+		if (!(io_u->flags & IO_U_F_VER_LIST)) {
+			td->io_issues[ddir]++;
+			td->io_issue_bytes[ddir] += buflen;
+		}
 		td->rate_io_issue_bytes[ddir] += buflen;
 	}
 
 	ret = td->io_ops->queue(td, io_u);
+	zbd_queue_io_u(io_u, ret);
 
 	unlock_file(td, io_u->file);
 
@@ -348,32 +359,39 @@ int td_io_queue(struct thread_data *td, struct io_u *io_u)
 			 "invalid block size. Try setting direct=0.\n");
 	}
 
-	if (!td->io_ops->commit || io_u->ddir == DDIR_TRIM) {
+	if (zbd_unaligned_write(io_u->error) &&
+	    td->io_issues[io_u->ddir & 1] == 1 &&
+	    td->o.zone_mode != ZONE_MODE_ZBD) {
+		log_info("fio: first I/O failed. If %s is a zoned block device, consider --zonemode=zbd\n",
+			 io_u->file->file_name);
+	}
+
+	if (!td->io_ops->commit) {
 		io_u_mark_submit(td, 1);
 		io_u_mark_complete(td, 1);
+		zbd_put_io_u(io_u);
 	}
 
 	if (ret == FIO_Q_COMPLETED) {
-		if (ddir_rw(io_u->ddir)) {
+		if (ddir_rw(io_u->ddir) ||
+		    (ddir_sync(io_u->ddir) && td->runstate != TD_FSYNCING)) {
 			io_u_mark_depth(td, 1);
 			td->ts.total_io_u[io_u->ddir]++;
 		}
 	} else if (ret == FIO_Q_QUEUED) {
-		int r;
-
 		td->io_u_queued++;
 
-		if (ddir_rw(io_u->ddir))
+		if (ddir_rw(io_u->ddir) ||
+		    (ddir_sync(io_u->ddir) && td->runstate != TD_FSYNCING))
 			td->ts.total_io_u[io_u->ddir]++;
 
-		if (td->io_u_queued >= td->o.iodepth_batch) {
-			r = td_io_commit(td);
-			if (r < 0)
-				return r;
-		}
+		if (td->io_u_queued >= td->o.iodepth_batch)
+			td_io_commit(td);
 	}
 
-	if (!td_ioengine_flagged(td, FIO_SYNCIO)) {
+	if (!td_ioengine_flagged(td, FIO_SYNCIO) &&
+		(!td_ioengine_flagged(td, FIO_ASYNCIO_SYNC_TRIM) ||
+		 io_u->ddir != DDIR_TRIM)) {
 		if (fio_fill_issue_time(td))
 			fio_gettime(&io_u->issue_time, NULL);
 
@@ -408,14 +426,14 @@ int td_io_init(struct thread_data *td)
 	return ret;
 }
 
-int td_io_commit(struct thread_data *td)
+void td_io_commit(struct thread_data *td)
 {
 	int ret;
 
 	dprint(FD_IO, "calling ->commit(), depth %d\n", td->cur_depth);
 
 	if (!td->cur_depth || !td->io_u_queued)
-		return 0;
+		return;
 
 	io_u_mark_depth(td, td->io_u_queued);
 
@@ -430,12 +448,18 @@ int td_io_commit(struct thread_data *td)
 	 */
 	td->io_u_in_flight += td->io_u_queued;
 	td->io_u_queued = 0;
-
-	return 0;
 }
 
 int td_io_open_file(struct thread_data *td, struct fio_file *f)
 {
+	if (fio_file_closing(f)) {
+		/*
+		 * Open translates to undo closing.
+		 */
+		fio_file_clear_closing(f);
+		get_file(f);
+		return 0;
+	}
 	assert(!fio_file_open(f));
 	assert(f->fd == -1);
 	assert(td->io_ops->open_file);
@@ -495,8 +519,8 @@ int td_io_open_file(struct thread_data *td, struct fio_file *f)
 		}
 
 		if (posix_fadvise(f->fd, f->file_offset, f->io_size, flags) < 0) {
-			td_verror(td, errno, "fadvise");
-			goto err;
+			if (!fio_did_warn(FIO_WARN_FADVISE))
+				log_err("fio: fadvise hint failed\n");
 		}
 	}
 #ifdef FIO_HAVE_WRITE_HINT
@@ -545,11 +569,6 @@ int td_io_close_file(struct thread_data *td, struct fio_file *f)
 	 */
 	fio_file_set_closing(f);
 
-	disk_util_dec(f->du);
-
-	if (td->o.file_lock_mode != FILE_LOCK_NONE)
-		unlock_file_all(td, f);
-
 	return put_file(td, f);
 }
 
@@ -579,6 +598,7 @@ int td_io_get_file_size(struct thread_data *td, struct fio_file *f)
 int fio_show_ioengine_help(const char *engine)
 {
 	struct flist_head *entry;
+	struct thread_data td;
 	struct ioengine_ops *io_ops;
 	char *sep;
 	int ret = 1;
@@ -597,7 +617,10 @@ int fio_show_ioengine_help(const char *engine)
 		sep++;
 	}
 
-	io_ops = __load_ioengine(engine);
+	memset(&td, 0, sizeof(struct thread_data));
+	td.o.ioengine = (char *)engine;
+	io_ops = load_ioengine(&td);
+
 	if (!io_ops) {
 		log_info("IO engine %s not found\n", engine);
 		return 1;
@@ -608,5 +631,6 @@ int fio_show_ioengine_help(const char *engine)
 	else
 		log_info("IO engine %s has no options\n", io_ops->name);
 
+	free_ioengine(&td);
 	return ret;
 }