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From: Christoph Hellwig <hch@lst.de>
To: Al Viro <viro@zeniv.linux.org.uk>
Cc: Christoph Hellwig <hch@lst.de>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Stephen Rothwell <sfr@canb.auug.org.au>,
	Luis Chamberlain <mcgrof@kernel.org>,
	Matthew Wilcox <willy@infradead.org>,
	Kees Cook <keescook@chromium.org>,
	Iurii Zaikin <yzaikin@google.com>,
	linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH 22/23] fs: default to generic_file_splice_read for files having ->read_iter
Date: Thu, 30 Jul 2020 18:31:42 +0200	[thread overview]
Message-ID: <20200730163142.GA22875@lst.de> (raw)
In-Reply-To: <20200730162219.GC1236603@ZenIV.linux.org.uk>

On Thu, Jul 30, 2020 at 05:22:19PM +0100, Al Viro wrote:
> FWIW, none of the dubious (and outright broken) cases I've found go anywhere
> near that.  And it definitely won't help tun/tap...

Then I'm missing something obvious - what is the problem with tun/tap?

  reply	other threads:[~2020-07-30 16:31 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-07 17:47 stop using ->read and ->write for kernel access v3 Christoph Hellwig
2020-07-07 17:47 ` [PATCH 01/23] cachefiles: switch to kernel_write Christoph Hellwig
2020-07-07 17:47 ` [PATCH 02/23] autofs: " Christoph Hellwig
2020-07-07 17:47 ` [PATCH 03/23] bpfilter: " Christoph Hellwig
2020-07-07 17:47 ` [PATCH 04/23] fs: unexport __kernel_write Christoph Hellwig
2020-07-07 17:47 ` [PATCH 05/23] fs: check FMODE_WRITE in __kernel_write Christoph Hellwig
2020-07-07 17:47 ` [PATCH 06/23] fs: implement kernel_write using __kernel_write Christoph Hellwig
2020-07-07 17:47 ` [PATCH 07/23] fs: remove __vfs_write Christoph Hellwig
2020-07-07 17:47 ` [PATCH 08/23] fs: don't change the address limit for ->write_iter in __kernel_write Christoph Hellwig
2020-07-29 20:50   ` Al Viro
2020-07-30  7:02     ` Christoph Hellwig
2020-07-07 17:47 ` [PATCH 09/23] fs: add a __kernel_read helper Christoph Hellwig
2020-07-07 17:47 ` [PATCH 10/23] integrity/ima: switch to using __kernel_read Christoph Hellwig
2020-07-07 17:47 ` [PATCH 11/23] fs: implement kernel_read " Christoph Hellwig
2020-07-07 17:47 ` [PATCH 12/23] fs: remove __vfs_read Christoph Hellwig
2020-07-07 17:47 ` [PATCH 13/23] fs: don't change the address limit for ->read_iter in __kernel_read Christoph Hellwig
2020-07-07 17:47 ` [PATCH 14/23] seq_file: add seq_read_iter Christoph Hellwig
2020-07-07 17:47 ` [PATCH 15/23] seq_file: switch over direct seq_read method calls to seq_read_iter Christoph Hellwig
     [not found]   ` <20200707174801.4162712-16-hch-jcswGhMUV9g@public.gmane.org>
2020-07-10 12:55     ` Jon Hunter
2020-07-10 12:55       ` Jon Hunter
     [not found]       ` <5a2a97f1-58b5-8068-3c69-bb06130ffb35-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2020-07-10 12:58         ` Christoph Hellwig
2020-07-10 12:58           ` Christoph Hellwig
2020-07-11  6:48         ` Christoph Hellwig
2020-07-11  6:48           ` Christoph Hellwig
     [not found]           ` <20200711064857.GA29078-jcswGhMUV9g@public.gmane.org>
2020-07-11 11:47             ` Jon Hunter
2020-07-11 11:47               ` Jon Hunter
2020-07-17 21:09   ` Thomas Gleixner
2020-07-20  9:33     ` Christoph Hellwig
2020-07-29 20:59     ` Al Viro
2020-07-30  7:10       ` Thomas Gleixner
2020-07-07 17:47 ` [PATCH 16/23] proc: remove a level of indentation in proc_get_inode Christoph Hellwig
2020-07-07 17:47 ` [PATCH 17/23] proc: cleanup the compat vs no compat file ops Christoph Hellwig
2020-07-07 17:47 ` [PATCH 18/23] proc: add a read_iter method to proc proc_ops Christoph Hellwig
2020-07-07 17:47 ` [PATCH 19/23] proc: switch over direct seq_read method calls to seq_read_iter Christoph Hellwig
2020-07-07 17:47 ` [PATCH 20/23] sysctl: Convert to iter interfaces Christoph Hellwig
2020-07-07 17:47 ` [PATCH 21/23] fs: don't allow kernel reads and writes without iter ops Christoph Hellwig
2020-07-07 17:48 ` [PATCH 22/23] fs: default to generic_file_splice_read for files having ->read_iter Christoph Hellwig
2020-07-30  0:05   ` Al Viro
2020-07-30  7:03     ` Christoph Hellwig
2020-07-30 15:08       ` Al Viro
2020-07-30 15:20         ` Christoph Hellwig
2020-07-30 16:17           ` Al Viro
2020-07-30 16:22             ` Al Viro
2020-07-30 16:31               ` Christoph Hellwig [this message]
2020-07-07 17:48 ` [PATCH 23/23] fs: don't allow splice read/write without explicit ops Christoph Hellwig
2020-07-07 20:24 ` stop using ->read and ->write for kernel access v3 Linus Torvalds
2020-07-08  6:07   ` Christoph Hellwig
2020-07-07 23:03 ` Stephen Rothwell
  -- strict thread matches above, loose matches on Subject: below --
2020-07-01 20:09 [RFC] " Christoph Hellwig
2020-07-01 20:09 ` [PATCH 22/23] fs: default to generic_file_splice_read for files having ->read_iter Christoph Hellwig

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