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Message-ID: <1b1222b8-4511-dfd4-bbd2-f354dc2cc5a9@linux.alibaba.com>
Date:   Fri, 16 Sep 2022 17:29:17 +0800
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Subject: Re: [PATCH V5 5/6] erofs: Support sharing cookies in the same domain
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To:     Jia Zhu <zhujia.zj@bytedance.com>, linux-erofs@lists.ozlabs.org
Cc:     linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
        yinxin.x@bytedance.com
References: <20220916085940.89392-1-zhujia.zj@bytedance.com>
 <20220916085940.89392-6-zhujia.zj@bytedance.com>
From:   JeffleXu <jefflexu@linux.alibaba.com>
In-Reply-To: <20220916085940.89392-6-zhujia.zj@bytedance.com>
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On 9/16/22 4:59 PM, Jia Zhu wrote:

> +static
> +struct erofs_fscache *erofs_fscache_domain_init_cookie(struct super_block *sb,
> +							char *name, bool need_inode)
> +{
> +	int err;
> +	struct inode *inode;
> +	struct erofs_fscache *ctx;
> +	struct erofs_domain *domain = EROFS_SB(sb)->domain;
> +
> +	ctx = erofs_fscache_acquire_cookie(sb, name, need_inode);
> +	if (IS_ERR(ctx))
> +		return ctx;
> +
> +	ctx->name = kstrdup(name, GFP_KERNEL);
> +	if (!ctx->name) {
> +		err = -ENOMEM;
> +		goto out;
> +	}
> +
> +	inode = new_inode(erofs_pseudo_mnt->mnt_sb);
> +	if (!inode) {
> +		kfree(ctx->name);
		^
This line can be omitted since erofs_fscache_relinquish_cookie() will be
called.

> +		err = -ENOMEM;
> +		goto out;
> +	}
> +
> +	ctx->domain = domain;
> +	ctx->anon_inode = inode;
> +	inode->i_private = ctx;
> +	refcount_inc(&domain->ref);
> +	return ctx;
> +out:
> +	erofs_fscache_relinquish_cookie(ctx);
> +	return ERR_PTR(err);
> +}


Otherwise LGTM.
Reviewed-by: Jingbo Xu <jefflexu@linux.alibaba.com>

-- 
Thanks,
Jingbo