From 7154cc892688f3c58cbbcdc2055f2635c1d0ef5b Mon Sep 17 00:00:00 2001 From: Karel Zak Date: Wed, 24 Feb 2016 15:21:38 +0100 Subject: blkdiscard: add --zeroout (BLKZEROOUT ioctl) Requested-by: Yaniv Kaul Signed-off-by: Karel Zak --- sys-utils/blkdiscard.8 | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'sys-utils/blkdiscard.8') diff --git a/sys-utils/blkdiscard.8 b/sys-utils/blkdiscard.8 index f79fecb33..71180e906 100644 --- a/sys-utils/blkdiscard.8 +++ b/sys-utils/blkdiscard.8 @@ -3,12 +3,11 @@ blkdiscard \- discard sectors on a device .SH SYNOPSIS .B blkdiscard +[options] .RB [ \-o .IR offset ] .RB [ \-l .IR length ] -.RB [ \-s ] -.RB [ \-v ] .I device .SH DESCRIPTION .B blkdiscard @@ -58,6 +57,9 @@ Perform a secure discard. A secure discard is the same as a regular discard except that all copies of the discarded blocks that were possibly created by garbage collection must also be erased. This requires support from the device. .TP +.BR \-z , " \-\-zeroout" +Zero-fill rather than discard. +.TP .BR \-v , " \-\-verbose" Display the aligned values of .I offset -- cgit v1.2.3-55-g7522