From: David Sterba Date: Tue, 6 Dec 2016 17:26:31 +0000 (+0100) Subject: btrfs-progs: docs: clarify trim after mkfs -K X-Git-Tag: upstream/4.16.1~915 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b3afc1e814a90dbdb9db5241a76f000cd4fa5330;p=platform%2Fupstream%2Fbtrfs-progs.git btrfs-progs: docs: clarify trim after mkfs -K A user question on IRC about mkfs -K and mount with discard. Signed-off-by: David Sterba --- diff --git a/Documentation/mkfs.btrfs.asciidoc b/Documentation/mkfs.btrfs.asciidoc index 9b1d45a..cfd03ab 100644 --- a/Documentation/mkfs.btrfs.asciidoc +++ b/Documentation/mkfs.btrfs.asciidoc @@ -100,6 +100,8 @@ bytes and must not contain newline characters. *-K|--nodiscard*:: Do not perform whole device TRIM operation on devices that are capable of that. +This does not affect discard/trim operation when the filesystem is mounted. +Please see the mount option 'discard' for that in `btrfs`(5). *-r|--rootdir *:: Populate the toplevel subvolume with files from 'rootdir'. This does not