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 @@ -4948,8 +4948,8 @@ 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"
