linux-kernel - [PATCH] f2fs: fix description about discard

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Date:   Sat, 19 Nov 2022 01:40:28 +0800
From:   Yangtao Li <frank.li@...o.com>
To:     jaegeuk@...nel.org, chao@...nel.org
Cc:     linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org, Yangtao Li <frank.li@...o.com>
Subject: [PATCH] f2fs: fix description about discard_granularity node

Let's fix the inconsistency in the text description.
Default discard granularity is 16. For small devices,
default value is 1.

Signed-off-by: Yangtao Li <frank.li@...o.com>
---
 Documentation/ABI/testing/sysfs-fs-f2fs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs
index 24e7cb77f265..32404781e76f 100644
--- a/Documentation/ABI/testing/sysfs-fs-f2fs
+++ b/Documentation/ABI/testing/sysfs-fs-f2fs
@@ -138,7 +138,8 @@ Contact:	"Chao Yu" <yuchao0@...wei.com>
 Description:	Controls discard granularity of inner discard thread. Inner thread
 		will not issue discards with size that is smaller than granularity.
 		The unit size is one block(4KB), now only support configuring
-		in range of [1, 512]. Default value is 4(=16KB).
+		in range of [1, 512]. Default value is 16.
+		For small devices, default value is 1.
 
 What:		/sys/fs/f2fs/<disk>/umount_discard_timeout
 Date:		January 2019
-- 
2.25.1