Patch "ext4: fix wrong unit use in ext4_mb_clear_bb" has been added to the 4.14-stable tree

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This is a note to let you know that I've just added the patch titled

    ext4: fix wrong unit use in ext4_mb_clear_bb

to the 4.14-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     ext4-fix-wrong-unit-use-in-ext4_mb_clear_bb.patch
and it can be found in the queue-4.14 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From 247c3d214c23dfeeeb892e91a82ac1188bdaec9f Mon Sep 17 00:00:00 2001
From: Kemeng Shi <shikemeng@xxxxxxxxxxxxxxx>
Date: Sat, 3 Jun 2023 23:03:18 +0800
Subject: ext4: fix wrong unit use in ext4_mb_clear_bb

From: Kemeng Shi <shikemeng@xxxxxxxxxxxxxxx>

commit 247c3d214c23dfeeeb892e91a82ac1188bdaec9f upstream.

Function ext4_issue_discard need count in cluster. Pass count_clusters
instead of count to fix the mismatch.

Signed-off-by: Kemeng Shi <shikemeng@xxxxxxxxxxxxxxx>
Cc: stable@xxxxxxxxxx
Reviewed-by: Ojaswin Mujoo <ojaswin@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20230603150327.3596033-11-shikemeng@xxxxxxxxxxxxxxx
Signed-off-by: Theodore Ts'o <tytso@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 fs/ext4/mballoc.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -4976,8 +4976,8 @@ do_more:
 		 * them with group lock_held
 		 */
 		if (test_opt(sb, DISCARD)) {
-			err = ext4_issue_discard(sb, block_group, bit, count,
-						 NULL);
+			err = ext4_issue_discard(sb, block_group, bit,
+						 count_clusters, NULL);
 			if (err && err != -EOPNOTSUPP)
 				ext4_msg(sb, KERN_WARNING, "discard request in"
 					 " group:%d block:%d count:%lu failed"


Patches currently in stable-queue which might be from shikemeng@xxxxxxxxxxxxxxx are

queue-4.14/ext4-fix-wrong-unit-use-in-ext4_mb_clear_bb.patch



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