X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=fio.1;h=39ccd63d3eeb5b7ac353628bd3fcdd5c2f2405a0;hp=99568676c8bebf94d3b0d58a161688e9f82df0f3;hb=2293bf6886095fc180a77a958511bd6385840874;hpb=5761ab72a4e5007e08b996888d39e1b9c476c5b5;ds=sidebyside

diff --git a/fio.1 b/fio.1
index 99568676..39ccd63d 100644
--- a/fio.1
+++ b/fio.1
@@ -904,7 +904,11 @@ If true, use buffered I/O.  This is the opposite of the \fBdirect\fR parameter.
 Default: true.
 .TP
 .BI offset \fR=\fPint
-Offset in the file to start I/O. Data before the offset will not be touched.
+Start I/O at the provided offset in the file, given as either a fixed size or a
+percentage. If a percentage is given, the next \fBblockalign\fR-ed offset will
+be used. Data before the given offset will not be touched. This effectively
+caps the file size at (real_size - offset). Can be combined with \fBsize\fR to
+constrain the start and end range of the I/O workload.
 .TP
 .BI offset_increment \fR=\fPint
 If this is provided, then the real offset becomes the