From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Return-Path: From: Minwoo Im To: Jens Axboe Cc: linux-block@vger.kernel.org, Minwoo Im , Minwoo Im Subject: [PATCH] null_blk: add an usage for shared tags in documentation Date: Tue, 7 Nov 2017 23:18:27 +0900 Message-Id: <1510064307-20916-1-git-send-email-minwoo.im.dev@gmail.com> List-ID: add usage explanation for a shared_tags of commit 82f402fefa50f1675bf918bcd009981bd6b30ac8 ("null_blk: add support for shared tags") to this documentation. Signed-off-by: Minwoo Im --- Documentation/block/null_blk.txt | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/block/null_blk.txt b/Documentation/block/null_blk.txt index b7161c8..e1d1aa9 100644 --- a/Documentation/block/null_blk.txt +++ b/Documentation/block/null_blk.txt @@ -77,3 +77,8 @@ use_lightnvm=[0/1]: Default: 0 no_sched=[0/1]: Default: 0 0: nullb* use default blk-mq io scheduler. 1: nullb* doesn't use io scheduler. + +shared_tags=[0/1]: Default: 0 + 0: Tag set is not shared. + 1: Tag set shared between devices for blk-mq. + Requires nr_devices to be bigger than 1. -- 2.7.4