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<p><span>好的，非常感谢</span></p>
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<div id="x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>发件人:</b> Gao Xiang <hsiangkao@linux.alibaba.com><br>
<b>发送时间:</b> 2023年6月2日 14:08:33<br>
<b>收件人:</b> huyue2@coolpad.com<br>
<b>抄送:</b> linux-erofs@lists.ozlabs.org; Noboru Asai; Gao Xiang; Chao Yu; 孙士杰<br>
<b>主题:</b> [External Mail]Re: [PATCH] erofs-utils: limit pclustersize in z_erofs_fixup_deduped_fragment()</font>
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<br>
Hi Yue,<br>
<br>
On 2023/6/2 13:20, Noboru Asai wrote:<br>
> The variable 'ctx->pclustersize' could be larger than max pclustersize.<br>
><br>
> Signed-off-by: Noboru Asai <asai@sijam.com><br>
<br>
Please take a look at this patch.<br>
+Cc Shijie Sun.<br>
<br>
Thanks,<br>
Gao Xiang<br>
<br>
> ---<br>
> lib/compress.c | 5 +++--<br>
> 1 file changed, 3 insertions(+), 2 deletions(-)<br>
><br>
> diff --git a/lib/compress.c b/lib/compress.c<br>
> index 2e1dfb3..e943056 100644<br>
> --- a/lib/compress.c<br>
> +++ b/lib/compress.c<br>
> @@ -359,8 +359,9 @@ static bool z_erofs_fixup_deduped_fragment(struct z_erofs_vle_compress_ctx *ctx,<br>
><br>
> /* try to fix again if it gets larger (should be rare) */<br>
> if (inode->fragment_size < newsize) {<br>
> - ctx->pclustersize = roundup(newsize - inode->fragment_size,<br>
> - erofs_blksiz());<br>
> + ctx->pclustersize = min(z_erofs_get_max_pclusterblks(inode) * erofs_blksiz(),<br>
> + roundup(newsize - inode->fragment_size,<br>
> + erofs_blksiz()));<br>
> return false;<br>
> }<br>
><br>
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