From: Christoph Hellwig <hch@infradead.org>
To: Trond Myklebust <trondmy@primarydata.com>
Cc: Christoph Hellwig <hch@infradead.org>,
"linux-nfs@vger.kernel.org" <linux-nfs@vger.kernel.org>
Subject: Re: [PATCH 11/12] NFS: Don't count O_DIRECT reads in the inode->i_dio_count
Date: Wed, 15 Jun 2016 07:53:30 -0700 [thread overview]
Message-ID: <20160615145330.GA5297@infradead.org> (raw)
In-Reply-To: <B4354EF8-B0AB-43C6-B7C3-FD27E43364B1@primarydata.com>
On Wed, Jun 15, 2016 at 02:50:07PM +0000, Trond Myklebust wrote:
> Fair enough. So it sounds as if you are suggesting we can just drop using inode_dio_*() altogether?
Maybe. The big question is how a direct write vs truncate race is
handled. Either way I think a patch like this deserves a detailed
analysis documented in the changelog and/or comments in the code.
next prev parent reply other threads:[~2016-06-15 14:53 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-14 19:05 [PATCH 01/12] NFS: Don't flush caches for a getattr that races with writeback Trond Myklebust
2016-06-14 19:05 ` [PATCH 02/12] NFS: Cache access checks more aggressively Trond Myklebust
2016-06-14 19:05 ` [PATCH 03/12] NFS: Cache aggressively when file is open for writing Trond Myklebust
2016-06-14 19:05 ` [PATCH 04/12] NFS: Kill NFS_INO_NFS_INO_FLUSHING: it is a performance killer Trond Myklebust
2016-06-14 19:05 ` [PATCH 05/12] NFS: writepage of a single page should not be synchronous Trond Myklebust
2016-06-14 19:05 ` [PATCH 06/12] NFS: Don't hold the inode lock across fsync() Trond Myklebust
2016-06-14 19:05 ` [PATCH 07/12] NFS: Don't enable deep stack recursion when doing memory reclaim Trond Myklebust
2016-06-14 19:05 ` [PATCH 08/12] NFS: Fix O_DIRECT verifier problems Trond Myklebust
2016-06-14 19:05 ` [PATCH 09/12] NFS: Ensure we reset the write verifier 'committed' value on resend Trond Myklebust
2016-06-14 19:05 ` [PATCH 10/12] NFS: Do not serialise O_DIRECT reads and writes Trond Myklebust
2016-06-14 19:05 ` [PATCH 11/12] NFS: Don't count O_DIRECT reads in the inode->i_dio_count Trond Myklebust
2016-06-14 19:05 ` [PATCH 12/12] NFS: Clean up nfs_direct_complete() Trond Myklebust
2016-06-15 7:16 ` [PATCH 11/12] NFS: Don't count O_DIRECT reads in the inode->i_dio_count Christoph Hellwig
2016-06-15 14:36 ` Trond Myklebust
2016-06-15 14:41 ` Christoph Hellwig
2016-06-15 14:50 ` Trond Myklebust
2016-06-15 14:53 ` Christoph Hellwig [this message]
2016-06-15 7:13 ` [PATCH 10/12] NFS: Do not serialise O_DIRECT reads and writes Christoph Hellwig
2016-06-15 14:29 ` Trond Myklebust
2016-06-15 14:48 ` Christoph Hellwig
2016-06-15 14:48 ` Christoph Hellwig
2016-06-15 14:52 ` Trond Myklebust
2016-06-15 14:52 ` Trond Myklebust
2016-06-15 14:56 ` Christoph Hellwig
2016-06-15 14:56 ` Christoph Hellwig
2016-06-15 15:09 ` Trond Myklebust
2016-06-15 15:09 ` Trond Myklebust
2016-06-15 15:14 ` Christoph Hellwig
2016-06-15 15:14 ` Christoph Hellwig
2016-06-15 15:45 ` Trond Myklebust
2016-06-15 15:45 ` Trond Myklebust
2016-06-16 9:12 ` Christoph Hellwig
2016-06-16 9:12 ` Christoph Hellwig
2016-06-15 7:09 ` [PATCH 07/12] NFS: Don't enable deep stack recursion when doing memory reclaim Christoph Hellwig
2016-06-15 7:08 ` [PATCH 06/12] NFS: Don't hold the inode lock across fsync() Christoph Hellwig
2016-06-15 14:47 ` Trond Myklebust
2016-06-15 14:54 ` Christoph Hellwig
2016-06-17 1:11 ` [PATCH 03/12] NFS: Cache aggressively when file is open for writing Oleg Drokin
2016-06-17 14:01 ` Trond Myklebust
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=20160615145330.GA5297@infradead.org \
--to=hch@infradead.org \
--cc=linux-nfs@vger.kernel.org \
--cc=trondmy@primarydata.com \
/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.