linux-kernel - Re: [PATCH v4] erofs: update ctx->pos for every emitted dirent

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Message-ID: <368e99d1-bc41-976a-094b-816e80ef6367@kernel.org>
Date:   Sun, 31 Jul 2022 21:18:05 +0800
From:   Chao Yu <chao@...nel.org>
To:     Jeffle Xu <jefflexu@...ux.alibaba.com>, xiang@...nel.org,
        linux-erofs@...ts.ozlabs.org
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4] erofs: update ctx->pos for every emitted dirent

On 2022/7/22 16:27, Jeffle Xu wrote:
> From: Hongnan Li <hongnan.li@...ux.alibaba.com>
> 
> erofs_readdir update ctx->pos after filling a batch of dentries
> and it may cause dir/files duplication for NFS readdirplus which
> depends on ctx->pos to fill dir correctly. So update ctx->pos for
> every emitted dirent in erofs_fill_dentries to fix it.
> 
> Also fix the update of ctx->pos when the initial file position has
> exceeded nameoff.
> 
> Fixes: 3e917cc305c6 ("erofs: make filesystem exportable")
> Signed-off-by: Hongnan Li <hongnan.li@...ux.alibaba.com>
> Signed-off-by: Jeffle Xu <jefflexu@...ux.alibaba.com>

Reviewed-by: Chao Yu <chao@...nel.org>

Thanks,