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Subject: Re: [PATCH 09/16] initrd: remove the BLKFLSBUF call in handle_initrd
To:     antlists <antlists@youngman.org.uk>,
        Christoph Hellwig <hch@lst.de>, linux-kernel@vger.kernel.org
CC:     Song Liu <song@kernel.org>, Al Viro <viro@zeniv.linux.org.uk>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        linux-raid@vger.kernel.org, linux-fsdevel@vger.kernel.org
From:   hpa@zytor.com
Message-ID: <54AE9966-852F-4F42-A720-8D6053F0EF52@zytor.com>
Sender: linux-kernel-owner@vger.kernel.org
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On July 3, 2020 5:18:48 PM PDT, antlists <antlists@youngman=2Eorg=2Euk> wro=
te:
>On 03/07/2020 04:40, H=2E Peter Anvin wrote:
>> On 2020-06-15 05:53, Christoph Hellwig wrote:
>>> BLKFLSBUF used to be overloaded for the ramdisk driver to free the
>whole
>>> ramdisk, which was completely different behavior compared to all
>other
>>> drivers=2E  But this magic overload got removed in commit ff26956875c2
>>> ("brd: remove support for BLKFLSBUF"), so this call is entirely
>>> pointless now=2E
>>>
>>> Signed-off-by: Christoph Hellwig <hch@lst=2Ede>
>>=20
>> Does *anyone* use initrd as opposed to initramfs anymore? It would
>seem
>> like a good candidate for deprecation/removal=2E
>>=20
>Reading the gentoo mailing list, it seems there's a fair few people who
>
>don't use initramfs=2E I get the impression they don't use initrd either,
>
>though=2E
>
>I don't know too much about booting without an initramfs - I switched=20
>ages ago - so what is possible and what they're actually doing, I don't
>
>know=2E
>
>Cheers,
>Wol

Not using any init userspace at all is an entirely different issue=2E
--=20
Sent from my Android device with K-9 Mail=2E Please excuse my brevity=2E