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From: David Howells <dhowells@redhat.com>
To: Omar Sandoval <osandov@osandov.com>
Cc: dhowells@redhat.com, "Colin Walters" <walters@verbum.org>,
	"Al Viro" <viro@zeniv.linux.org.uk>,
	linux-fsdevel@vger.kernel.org, "Christoph Hellwig" <hch@lst.de>,
	"Theodore Ts'o" <tytso@mit.edu>,
	adilger.kernel@dilger.ca,
	"Darrick J. Wong" <darrick.wong@oracle.com>,
	"Chris Mason" <clm@fb.com>,
	josef@toxicpanda.com, dsterba@suse.com,
	linux-ext4 <linux-ext4@vger.kernel.org>,
	xfs <linux-xfs@vger.kernel.org>,
	linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: Making linkat() able to overwrite the target
Date: Fri, 17 Jan 2020 11:42:55 +0000
Message-ID: <359591.1579261375@warthog.procyon.org.uk> (raw)
In-Reply-To: <2397bb4a-2ca2-4b44-8c79-64efba9aa04d@www.fastmail.com>

Hi Omar,

Do you still have your AT_REPLACE patches?  You said that you'd post a v4
series, though I don't see it.  I could make use of such a feature in
cachefiles inside the kernel.  For my original question, see:

	https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git/log/?h=fscache-iter

And do you have ext4 support for it?

Colin Walters <walters@verbum.org> wrote:

> On Tue, Jan 14, 2020, at 1:06 PM, David Howells wrote:
> 
> > Yes, I suggested AT_LINK_REPLACE as said magical flag.
> 
> This came up before right?
> 
> https://lore.kernel.org/linux-fsdevel/cover.1524549513.git.osandov@fb.com/

David


  parent reply index

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-14 16:34 David Howells
2020-01-14 17:02 ` Al Viro
2020-01-14 18:06 ` David Howells
2020-01-14 19:37   ` Miklos Szeredi
2020-01-17  0:46   ` Colin Walters
2020-01-17  9:57     ` Amir Goldstein
2020-01-17 11:42   ` David Howells [this message]
2020-01-17 16:22     ` Omar Sandoval
2020-01-17 16:39     ` David Howells
2020-01-15  8:36 ` Christoph Hellwig

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