All of lore.kernel.org
 help / color / mirror / Atom feed
From: Christoph Hellwig <hch@infradead.org>
To: Theodore Ts'o <tytso@mit.edu>
Cc: linux-nvdimm@lists.01.org, rdodgen@gmail.com,
	Christoph Hellwig <hch@infradead.org>,
	linux-ext4@vger.kernel.org, Randy Dodgen <dodgen@google.com>
Subject: Re: [PATCH v3] Fix ext4 fault handling when mounted with -o dax,ro
Date: Fri, 25 Aug 2017 00:28:44 -0700	[thread overview]
Message-ID: <20170825072843.GA4220@infradead.org> (raw)
In-Reply-To: <20170824205727.yyhzblj372eyvkde@thunk.org>

On Thu, Aug 24, 2017 at 04:57:27PM -0400, Theodore Ts'o wrote:
> Yeah, agreed, that's the cleaner way of doing that.  It does mean
> we'll have sweep through all of the file systems so that they DTRT
> with this new FAULT_FLAG_ALLOC, though, right?

I think the only ones that it matters for for now are the DAX
fault handlers.  So we can add the new flag, check it in ext2, ext4
and xfs for now and we're done.  But if we eventually want to
phase out the ->page_mkwrite handler it would be useful for other
file systems as well.
_______________________________________________
Linux-nvdimm mailing list
Linux-nvdimm@lists.01.org
https://lists.01.org/mailman/listinfo/linux-nvdimm

WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@infradead.org>
To: Theodore Ts'o <tytso@mit.edu>
Cc: Christoph Hellwig <hch@infradead.org>,
	rdodgen@gmail.com, linux-ext4@vger.kernel.org,
	ross.zwisler@linux.intel.com, Randy Dodgen <dodgen@google.com>,
	linux-nvdimm@lists.01.org
Subject: Re: [PATCH v3] Fix ext4 fault handling when mounted with -o dax,ro
Date: Fri, 25 Aug 2017 00:28:44 -0700	[thread overview]
Message-ID: <20170825072843.GA4220@infradead.org> (raw)
In-Reply-To: <20170824205727.yyhzblj372eyvkde@thunk.org>

On Thu, Aug 24, 2017 at 04:57:27PM -0400, Theodore Ts'o wrote:
> Yeah, agreed, that's the cleaner way of doing that.  It does mean
> we'll have sweep through all of the file systems so that they DTRT
> with this new FAULT_FLAG_ALLOC, though, right?

I think the only ones that it matters for for now are the DAX
fault handlers.  So we can add the new flag, check it in ext2, ext4
and xfs for now and we're done.  But if we eventually want to
phase out the ->page_mkwrite handler it would be useful for other
file systems as well.

  reply	other threads:[~2017-08-25  7:26 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-22 22:24 [PATCH] Fix ext4 fault handling when mounted with -o dax,ro Randy Dodgen
2017-08-23  3:37 ` [PATCH v2] " rdodgen
2017-08-23  3:37   ` rdodgen
2017-08-23 16:38   ` Ross Zwisler
2017-08-23 16:38     ` Ross Zwisler
2017-08-23 20:11     ` Randy Dodgen
2017-08-23 20:11       ` Randy Dodgen
2017-08-23 21:26       ` [PATCH v3] " rdodgen
2017-08-23 21:26         ` rdodgen
2017-08-24 14:45         ` Jan Kara
2017-08-24 14:45           ` Jan Kara
2017-08-24 15:11         ` Ross Zwisler
2017-08-24 15:11           ` Ross Zwisler
2017-08-24 16:01         ` Christoph Hellwig
2017-08-24 16:01           ` Christoph Hellwig
2017-08-24 20:57           ` Theodore Ts'o
2017-08-24 20:57             ` Theodore Ts'o
2017-08-25  7:28             ` Christoph Hellwig [this message]
2017-08-25  7:28               ` Christoph Hellwig
2017-08-29 21:20           ` Christoph Hellwig
2017-08-29 21:20             ` Christoph Hellwig
2017-08-29 21:37             ` Ross Zwisler
2017-08-29 21:37               ` Ross Zwisler
2017-08-29 22:07               ` Randy Dodgen
2017-08-29 22:07                 ` Randy Dodgen
2017-08-29 22:37               ` [fstests PATCH] generic: add test for executables on read-only DAX mounts Ross Zwisler
2017-08-29 22:37                 ` Ross Zwisler
2017-08-30 10:59                 ` Eryu Guan
2017-08-30 10:59                   ` Eryu Guan
2017-08-31  4:01                   ` Ross Zwisler
2017-08-31  4:01                     ` Ross Zwisler
2017-08-31  4:01                     ` Ross Zwisler
2017-08-31  4:09                   ` [fstests v2] " Ross Zwisler
2017-08-31  4:09                     ` Ross Zwisler
2017-08-30 14:51                 ` [fstests PATCH] " Christoph Hellwig
2017-08-30 14:51                   ` Christoph Hellwig
2017-08-30 14:51                   ` Christoph Hellwig
2017-08-31  4:02                   ` Ross Zwisler
2017-08-31  4:02                     ` Ross Zwisler
2017-08-31  4:02                     ` Ross Zwisler
2017-08-31 13:09                     ` Christoph Hellwig
2017-08-31 13:09                       ` Christoph Hellwig
2017-08-24 19:26         ` [PATCH v3] Fix ext4 fault handling when mounted with -o dax,ro Theodore Ts'o
2017-08-24 19:26           ` Theodore Ts'o

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20170825072843.GA4220@infradead.org \
    --to=hch@infradead.org \
    --cc=dodgen@google.com \
    --cc=linux-ext4@vger.kernel.org \
    --cc=linux-nvdimm@lists.01.org \
    --cc=rdodgen@gmail.com \
    --cc=tytso@mit.edu \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.