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    Subject[PATCH 6.0 213/862] erofs: use kill_anon_super() to kill super in fscache mode
    Date
    From: Jia Zhu <zhujia.zj@bytedance.com>

    [ Upstream commit 1015c1016c231b26d4e2c9b3da65b6c043eb97a3 ]

    Use kill_anon_super() instead of generic_shutdown_super() since the
    mount() in erofs fscache mode uses get_tree_nodev() and associated
    anon bdev needs to be freed.

    Fixes: 9c0cc9c729657 ("erofs: add 'fsid' mount option")
    Suggested-by: Jingbo Xu <jefflexu@linux.alibaba.com>
    Signed-off-by: Jia Zhu <zhujia.zj@bytedance.com>
    Reviewed-by: Jingbo Xu <jefflexu@linux.alibaba.com>
    Link: https://lore.kernel.org/r/20220918043456.147-2-zhujia.zj@bytedance.com
    Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    fs/erofs/super.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/fs/erofs/super.c b/fs/erofs/super.c
    index 3173debeaa5a..9716d355a63e 100644
    --- a/fs/erofs/super.c
    +++ b/fs/erofs/super.c
    @@ -879,7 +879,7 @@ static void erofs_kill_sb(struct super_block *sb)
    WARN_ON(sb->s_magic != EROFS_SUPER_MAGIC);

    if (erofs_is_fscache_mode(sb))
    - generic_shutdown_super(sb);
    + kill_anon_super(sb);
    else
    kill_block_super(sb);

    --
    2.35.1


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