From: Damien Le Moal <damien.lemoal@wdc.com>
Date: Fri, 28 Oct 2016 08:45:02 +0000 (+0900)
Subject: f2fs: Suppress discard warning message for zoned block devices
X-Git-Tag: v4.14-rc1~1902^2~37
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0ab0299835738cd407569401da1fef4c97b4419c;p=platform%2Fkernel%2Flinux-rpi.git

f2fs: Suppress discard warning message for zoned block devices

For zoned block devices, discard is replaced by zone reset. So
do not warn if the device does not supports discard.

Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index ea3752f..56b0d2a 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -412,7 +412,7 @@ static int parse_options(struct super_block *sb, char *options)
 			q = bdev_get_queue(sb->s_bdev);
 			if (blk_queue_discard(q)) {
 				set_opt(sbi, DISCARD);
-			} else {
+			} else if (!f2fs_sb_mounted_blkzoned(sb)) {
 				f2fs_msg(sb, KERN_WARNING,
 					"mounting with \"discard\" option, but "
 					"the device does not support discard");