HOWTO: fix up broken formatting in registerfiles section

[fio.git] / HOWTO

diff --git a/HOWTO b/HOWTO
index 88dbb03fc23859ad39ba351b3fa06de81c96512b..89f6ee826d08fecbb9d7a5286ea141e336a8e077 100644 (file)
--- a/HOWTO
+++ b/HOWTO
@@ -765,8 +765,8 @@ Target file/device
        `filename` semantic (which generates a file for each clone if not
        specified, but lets all clones use the same file if set).
 
-       See the :option:`filename` option for information on how to escape "``:``" and
-       "``\``" characters within the directory path itself.
+       See the :option:`filename` option for information on how to escape "``:``"
+       characters within the directory path itself.
 
        Note: To control the directory fio will use for internal state files
        use :option:`--aux-path`.
@@ -785,10 +785,10 @@ Target file/device
        by this option will be :option:`size` divided by number of files unless an
        explicit size is specified by :option:`filesize`.
 
-       Each colon and backslash in the wanted path must be escaped with a ``\``
+       Each colon in the wanted path must be escaped with a ``\``
        character.  For instance, if the path is :file:`/dev/dsk/foo@3,0:c` then you
        would use ``filename=/dev/dsk/foo@3,0\:c`` and if the path is
-       :file:`F:\\filename` then you would use ``filename=F\:\\filename``.
+       :file:`F:\\filename` then you would use ``filename=F\:\filename``.
 
        On Windows, disk devices are accessed as :file:`\\\\.\\PhysicalDrive0` for
        the first device, :file:`\\\\.\\PhysicalDrive1` for the second etc.
@@ -2046,6 +2046,7 @@ with the caveat that when used on the command line, they must come after the
        IO latency as well.
 
 .. option:: registerfiles : [io_uring]
+
        With this option, fio registers the set of files being used with the
        kernel. This avoids the overhead of managing file counts in the kernel,
        making the submission and completion part more lightweight. Required
@@ -2564,7 +2565,7 @@ I/O replay
        (``blkparse <device> -o /dev/null -d file_for_fio.bin``).
        You can specify a number of files by separating the names with a ':'
        character. See the :option:`filename` option for information on how to
-       escape ':' and '\' characters within the file names. These files will
+       escape ':' characters within the file names. These files will
        be sequentially assigned to job clones created by :option:`numjobs`.
 
 .. option:: read_iolog_chunked=bool
@@ -2814,9 +2815,21 @@ Threads, processes and job synchronization
 
 .. option:: exitall
 
-       By default, fio will continue running all other jobs when one job finishes
-       but sometimes this is not the desired action.  Setting ``exitall`` will
-       instead make fio terminate all other jobs when one job finishes.
+       By default, fio will continue running all other jobs when one job finishes.
+       Sometimes this is not the desired action.  Setting ``exitall`` will instead
+       make fio terminate all jobs in the same group, as soon as one job of that
+       group finishes.
+
+.. option:: exit_what
+
+       By default, fio will continue running all other jobs when one job finishes.
+       Sometimes this is not the desired action. Setting ``exit_all`` will
+       instead make fio terminate all jobs in the same group. The option
+        ``exit_what`` allows to control which jobs get terminated when ``exitall`` is
+        enabled. The default is ``group`` and does not change the behaviour of
+        ``exitall``. The setting ``all`` terminates all jobs. The setting ``stonewall``
+        terminates all currently running jobs across all groups and continues execution
+        with the next stonewalled group.
 
 .. option:: exec_prerun=str