Add support for file appends
Add option file_append (bool). If set, fio will append to a file
instead of operate within the size of it. This is similar to
setting offset= to the size of each file.
Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/HOWTO b/HOWTO
index 0f9c0fc..7e77c40 100644
--- a/HOWTO
+++ b/HOWTO
@@ -435,6 +435,11 @@
and limited to 'size' in total (if that is given). If not
given, each created file is the same size.
+file_append=bool Perform IO after the end of the file. Normally fio will
+ operate within the size of a file. If this option is set, then
+ fio will append to the file instead. This has identical
+ behavior to setting offset to the size of a file.
+
fill_device=bool
fill_fs=bool Sets size to something really large and waits for ENOSPC (no
space left on device) as the terminating condition. Only makes