From: Jens Axboe Date: Tue, 15 Apr 2008 07:20:46 +0000 (+0200) Subject: Update 'overwrite' option documentation X-Git-Tag: fio-1.20~6 X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=5036fc1ecd69989198d576d87624964a529610c7 Update 'overwrite' option documentation Signed-off-by: Jens Axboe --- diff --git a/HOWTO b/HOWTO index bbf5715a..32e7322c 100644 --- a/HOWTO +++ b/HOWTO @@ -454,7 +454,11 @@ fsync=int If writing to a file, issue a sync of the dirty data not sync the file. The exception is the sg io engine, which synchronizes the disk cache anyway. -overwrite=bool If writing to a file, setup the file first and do overwrites. +overwrite=bool If true, writes to a file will always overwrite existing + data. If the file doesn't already exist, it will be + created before the write phase begins. If the file exists + and is large enough for the specified write phase, nothing + will be done. end_fsync=bool If true, fsync file contents when the job exits.