linux-kernel - [PATCH] ocfs2: correct range->len in ocfs2_trim

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Message-Id: <20230828051741.204577-1-yuanhengzhang1214@gmail.com>
Date:   Mon, 28 Aug 2023 13:17:41 +0800
From:   Yuanheng Zhang <yuanhengzhang1214@...il.com>
To:     mark@...heh.com
Cc:     jlbec@...lplan.org, joseph.qi@...ux.alibaba.com,
        ocfs2-devel@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Yuanheng Zhang <yuanhengzhang1214@...il.com>
Subject: [PATCH] ocfs2: correct range->len in ocfs2_trim_fs()

global bitmap is a cluster allocator,so after we traverse
the global bitmap and finished the fstrim,the trimmed range
should be 'trimmed * clustersize'.otherwise,the trimmed range
printed by 'fstrim -v' is not as expected.

Signed-off-by: Yuanheng Zhang <yuanhengzhang1214@...il.com>
---
 fs/ocfs2/alloc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index 51c93929a146..bced551240cf 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -7642,7 +7642,7 @@ int ocfs2_trim_mainbm(struct super_block *sb, struct fstrim_range *range)
 		goto next_group;
 	}
 out:
-	range->len = trimmed * sb->s_blocksize;
+	range->len = trimmed * osb->s_clustersize;
 	return ret;
 }
 
-- 
2.34.1