Add Linus' optimized sha1 hash for checksum

[fio.git] / HOWTO

diff --git a/HOWTO b/HOWTO
index dc70ab6693688e4078713abd0292bb8036915035..bc23052d61e568434b23488c150e525d0ee48407 100644 (file)
--- a/HOWTO
+++ b/HOWTO
@@ -243,8 +243,11 @@ filename=str       Fio normally makes up a filename based on the job name,
                can specify a number of files by separating the names with a
                ':' colon. So if you wanted a job to open /dev/sda and /dev/sdb
                as the two working files, you would use
-               filename=/dev/sda:/dev/sdb. '-' is a reserved name, meaning
-               stdin or stdout. Which of the two depends on the read/write
+               filename=/dev/sda:/dev/sdb. If the wanted filename does need to
+               include a colon, then escape that with a '\' character. For
+               instance, if the filename is "/dev/dsk/foo@3,0:c", then you would
+               use filename="/dev/dsk/foo@3,0\:c". '-' is a reserved name,
+               meaning stdin or stdout. Which of the two depends on the read/write
                direction set.
 
 opendir=str    Tell fio to recursively add any file it can find in this
@@ -791,6 +794,8 @@ verify=str  If writing to a file, fio can verify the file contents
 
                        sha256  Use sha256 as the checksum function.
 
+                       sha1    Use optimized sha1 as the checksum function.
+
                        meta    Write extra information about each io
                                (timestamp, block number etc.). The block
                                number is verified.