From: Jens Axboe <jens.axboe@oracle.com>
Date: Tue, 27 Mar 2007 17:49:31 +0000 (+0200)
Subject: Auto limit open files if we get EMFILE
X-Git-Tag: fio-1.15~13
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=9bf27b4530fca07088ab978aea47be79a3d48879;p=fio.git

Auto limit open files if we get EMFILE

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---

diff --git a/filesetup.c b/filesetup.c
index b0a40e57..bf28b41a 100644
--- a/filesetup.c
+++ b/filesetup.c
@@ -244,8 +244,15 @@ int open_files(struct thread_data *td)
 
 	for_each_file(td, f, i) {
 		err = td_io_open_file(td, f);
-		if (err)
+		if (err) {
+			if (td->error == EMFILE) {
+				log_err("fio: limited open files to: %d\n", td->nr_open_files);
+				td->o.open_files = td->nr_open_files;
+				err = 0;
+				clear_error(td);
+			}
 			break;
+		}
 
 		if (td->o.open_files == td->nr_open_files)
 			break;
diff --git a/fio.h b/fio.h
index 1b8a66d1..76d7ea46 100644
--- a/fio.h
+++ b/fio.h
@@ -865,4 +865,10 @@ extern void close_ioengine(struct thread_data *);
 	}	\
 } while (0)
 
+static inline void clear_error(struct thread_data *td)
+{
+	td->error = 0;
+	td->verror[0] = '\0';
+}
+
 #endif