X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=filesetup.c;h=faeefaf308fa3e32107375fed6ac68faf65fe594;hp=c99d5b36dad8195129d40c048eb966d36caebae0;hb=660a1cb5fb9843ec09a04337714e78d63cd557e7;hpb=317b95d07d4921d2594a1be6e014c9c2d062fe75

diff --git a/filesetup.c b/filesetup.c
index c99d5b36..faeefaf3 100644
--- a/filesetup.c
+++ b/filesetup.c
@@ -181,7 +181,7 @@ int file_invalidate_cache(struct thread_data *td, struct fio_file *f)
 			log_err("fio: only root may flush block devices. Cache flush bypassed!\n");
 			ret = 0;
 		}
-	} else if (f->filetype == FIO_TYPE_CHAR)
+	} else if (f->filetype == FIO_TYPE_CHAR || f->filetype == FIO_TYPE_PIPE)
 		ret = 0;
 
 	if (ret < 0) {
@@ -200,27 +200,48 @@ void generic_close_file(struct thread_data fio_unused *td, struct fio_file *f)
 
 int generic_open_file(struct thread_data *td, struct fio_file *f)
 {
+	int is_std = 0;
 	int flags = 0;
 
+	if (!strcmp(f->file_name, "-")) {
+		if (td_rw(td)) {
+			log_err("fio: can't read/write to stdin/out\n");
+			return 1;
+		}
+		is_std = 1;
+
+		/*
+		 * move output logging to stderr, if we are writing to stdout
+		 */
+		if (td_write(td))
+			f_out = stderr;
+	}
+
 	if (td->o.odirect)
 		flags |= OS_O_DIRECT;
 	if (td->o.sync_io)
 		flags |= O_SYNC;
 
-	if (td_write(td) || td_rw(td)) {
+	if (td_write(td)) {
 		flags |= O_RDWR;
 
 		if (f->filetype == FIO_TYPE_FILE)
 			flags |= O_CREAT;
 
-		f->fd = open(f->file_name, flags, 0600);
+		if (is_std)
+			f->fd = dup(STDOUT_FILENO);
+		else
+			f->fd = open(f->file_name, flags, 0600);
 	} else {
 		if (f->filetype == FIO_TYPE_CHAR)
 			flags |= O_RDWR;
 		else
 			flags |= O_RDONLY;
 
-		f->fd = open(f->file_name, flags);
+		if (is_std)
+			f->fd = dup(STDIN_FILENO);
+		else
+			f->fd = open(f->file_name, flags);
 	}
 
 	if (f->fd == -1) {
@@ -283,11 +304,15 @@ static int get_file_sizes(struct thread_data *td)
 
 	for_each_file(td, f, i) {
 		if (td->io_ops->open_file(td, f)) {
-			log_err("%s\n", td->verror);
-			err = 1;
+			if (td->error != ENOENT) {
+				log_err("%s\n", td->verror);
+				err = 1;
+			}
 			clear_error(td);
-		} else
-			td->io_ops->close_file(td, f);
+		} else {
+			if (td->io_ops->close_file)
+				td->io_ops->close_file(td, f);
+		}
 
 		if (f->real_file_size == -1ULL && td->o.size)
 			f->real_file_size = td->o.size / td->o.nr_files;
@@ -474,13 +499,18 @@ static void get_file_type(struct fio_file *f)
 {
 	struct stat sb;
 
-	f->filetype = FIO_TYPE_FILE;
+	if (!strcmp(f->file_name, "-"))
+		f->filetype = FIO_TYPE_PIPE;
+	else
+		f->filetype = FIO_TYPE_FILE;
 
 	if (!lstat(f->file_name, &sb)) {
 		if (S_ISBLK(sb.st_mode))
 			f->filetype = FIO_TYPE_BD;
 		else if (S_ISCHR(sb.st_mode))
 			f->filetype = FIO_TYPE_CHAR;
+		else if (S_ISFIFO(sb.st_mode))
+			f->filetype = FIO_TYPE_PIPE;
 	}
 }
 
@@ -497,6 +527,12 @@ void add_file(struct thread_data *td, const char *fname)
 	memset(f, 0, sizeof(*f));
 	f->fd = -1;
 
+	/*
+	 * init function, io engine may not be loaded yet
+	 */
+	if (td->io_ops && (td->io_ops->flags & FIO_DISKLESSIO))
+		f->real_file_size = -1ULL;
+
 	if (td->o.directory)
 		len = sprintf(file_name, "%s/", td->o.directory);