Documentation update

[fio.git] / fio.1

diff --git a/fio.1 b/fio.1
index 0e6095d6499b1f33e8cd1937a17ecbdd2fa548b5..190da4fa66f38af46a92f63a7ba0fc6c56c1b912 100644 (file)
--- a/fio.1
+++ b/fio.1
@@ -199,7 +199,9 @@ are likely to be issued. Default: true.
 Total size of I/O for this job.  \fBfio\fR will run until this many bytes have
 been transfered, unless limited by other options (\fBruntime\fR, for instance).
 Unless \fBnr_files\fR and \fBfilesize\fR options are given, this amount will be
-divided between the available files for the job.
+divided between the available files for the job. If not set, fio will use the
+full size of the given files or devices. If the the files do not exist, size
+must be given.
 .TP
 .BI fill_device \fR=\fPbool
 Sets size to something really large and waits for ENOSPC (no space left on
@@ -722,17 +724,20 @@ Same as \fBwrite_bw_log\fR, but writes I/O completion latencies.  If no
 filename is given with this option, the default filename of "jobname_type.log"
 is used. Even if the filename is given, fio will still append the type of log.
 .TP
-.B disable_clat \fR=\fPbool
-Disable measurements of completion latency numbers. Useful only for cutting
+.B disable_lat \fR=\fPbool
+Disable measurements of total latency numbers. Useful only for cutting
 back the number of calls to gettimeofday, as that does impact performance at
 really high IOPS rates.  Note that to really get rid of a large amount of these
 calls, this option must be used with disable_slat and disable_bw as well.
 .TP
+.B disable_clat \fR=\fPbool
+Disable measurements of submission latency numbers. See \fBdisable_lat\fR.
+.TP
 .B disable_slat \fR=\fPbool
-Disable measurements of submission latency numbers. See \fBdisable_clat\fR.
+Disable measurements of submission latency numbers. See \fBdisable_lat\fR.
 .TP
 .B disable_bw_measurement \fR=\fPbool
-Disable measurements of throughput/bandwidth numbers. See \fBdisable_clat\fR.
+Disable measurements of throughput/bandwidth numbers. See \fBdisable_lat\fR.
 .TP
 .BI lockmem \fR=\fPint
 Pin the specified amount of memory with \fBmlock\fR\|(2).  Can be used to