commit ca7e0ddb08fece35c95e9056ca877e0806f1e6ef
author Jens Axboe <jaxboe@fusionio.com> Thu Oct 28 08:52:13 2010 -0600
committer Jens Axboe <jaxboe@fusionio.com> Thu Oct 28 08:52:13 2010 -0600
tree c02dea9d9e9a37e244961a7630f4d6c2de5ed90c
parent f0f346d8604d594506c0dc1a3310a27de127c2ed

binject: ensure we get aligned memory

Signed-off-by: Jens Axboe <jaxboe@fusionio.com>

engines/binject.c

diff --git a/engines/binject.c b/engines/binject.c
index 7109c7a..47d40fe 100644
--- a/engines/binject.c
+++ b/engines/binject.c
@@ -416,7 +416,7 @@
 	.open_file	= fio_binject_open_file,
 	.close_file	= fio_binject_close_file,
 	.get_file_size	= generic_get_file_size,
-	.flags		= FIO_RAWIO | FIO_BARRIER,
+	.flags		= FIO_RAWIO | FIO_BARRIER | FIO_MEMALIGN,
 };
 
 #else /* FIO_HAVE_BINJECT */

ioengine.h

diff --git a/ioengine.h b/ioengine.h
index 7a3c08f..a0c7e2b 100644
--- a/ioengine.h
+++ b/ioengine.h
@@ -128,6 +128,7 @@
 	FIO_SIGQUIT	= 1 << 7,	/* needs SIGQUIT to exit */
 	FIO_PIPEIO	= 1 << 8,	/* input/output no seekable */
 	FIO_BARRIER	= 1 << 9,	/* engine supports barriers */
+	FIO_MEMALIGN	= 1 << 10,	/* engine wants aligned memory */
 };
 
 /*

memory.c

diff --git a/memory.c b/memory.c
index 7f4cef5..b94cd6d 100644
--- a/memory.c
+++ b/memory.c
@@ -193,7 +193,8 @@
 
 	total_mem = td->orig_buffer_size;
 
-	if (td->o.odirect || td->o.mem_align) {
+	if (td->o.odirect || td->o.mem_align ||
+	    (td->io_ops->flags & FIO_MEMALIGN)) {
 		total_mem += page_mask;
 		if (td->o.mem_align && td->o.mem_align > page_size)
 			total_mem += td->o.mem_align - page_size;