linux-kernel - Re: [PATCH v9 1/8] fs: introduce kernel_pread

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Message-ID: <b89a3f0f-51b9-7705-3a23-26196ae7716e@broadcom.com>
Date:   Tue, 16 Jun 2020 09:09:16 -0700
From:   Scott Branden <scott.branden@...adcom.com>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     Luis Chamberlain <mcgrof@...nel.org>,
        Wolfram Sang <wsa@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        David Brown <david.brown@...aro.org>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Shuah Khan <shuah@...nel.org>, bjorn.andersson@...aro.org,
        Shuah Khan <skhan@...uxfoundation.org>,
        Arnd Bergmann <arnd@...db.de>,
        Mimi Zohar <zohar@...ux.ibm.com>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-fsdevel@...r.kernel.org,
        BCM Kernel Feedback <bcm-kernel-feedback-list@...adcom.com>,
        Olof Johansson <olof@...om.net>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        Colin Ian King <colin.king@...onical.com>,
        Kees Cook <keescook@...omium.org>,
        Takashi Iwai <tiwai@...e.de>, linux-kselftest@...r.kernel.org,
        Andy Gross <agross@...nel.org>,
        linux-integrity@...r.kernel.org,
        linux-security-module@...r.kernel.org
Subject: Re: [PATCH v9 1/8] fs: introduce kernel_pread_file* support

Hi Christoph,

On 2020-06-16 12:34 a.m., Christoph Hellwig wrote:
> Seriously, no more additions to fs.h for this interface please.  As
> requested before as the very first thing move it out of this header
> used by just about every file in the kernel.  That is in addition
> to all the other issues with the interface.
I can add such to the start of this patch series. I'm guessing from:
#define __kernel_read_file_id(id) \
to
extern int kernel_read_file_from_fd(int, void **, loff_t *, loff_t,
                     enum kernel_read_file_id);