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From: Tejun Heo <tj@kernel.org>
To: Ian Kent <raven@themaw.net>
Cc: Fox Chen <foxhlchen@gmail.com>,
	Greg KH <gregkh@linuxfoundation.org>,
	akpm@linux-foundation.org, dhowells@redhat.com,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	miklos@szeredi.hu, ricklind@linux.vnet.ibm.com,
	sfr@canb.auug.org.au, viro@zeniv.linux.org.uk
Subject: Re: [PATCH v2 0/6] kernfs: proposed locking and concurrency improvement
Date: Fri, 18 Dec 2020 09:59:07 -0500	[thread overview]
Message-ID: <X9zDu15MvJP3NU8K@mtj.duckdns.org> (raw)
In-Reply-To: <67a3012a6a215001c8be9344aee1c99897ff8b7e.camel@themaw.net>

Hello,

On Fri, Dec 18, 2020 at 03:36:21PM +0800, Ian Kent wrote:
> Sounds like your saying it would be ok to add a lock to the
> attrs structure, am I correct?

Yeah, adding a lock to attrs is a lot less of a problem and it looks like
it's gonna have to be either that or hashed locks, which might actually make
sense if we're worried about the size of attrs (I don't think we need to).

Thanks.

-- 
tejun

  parent reply	other threads:[~2020-12-18 15:00 UTC|newest]

Thread overview: 62+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-17  7:37 [PATCH v2 0/6] kernfs: proposed locking and concurrency improvement Ian Kent
2020-06-17  7:37 ` [PATCH v2 1/6] kernfs: switch kernfs to use an rwsem Ian Kent
2020-06-17  7:37 ` [PATCH v2 2/6] kernfs: move revalidate to be near lookup Ian Kent
2020-06-17  7:37 ` [PATCH v2 3/6] kernfs: improve kernfs path resolution Ian Kent
2020-06-17  7:38 ` [PATCH v2 4/6] kernfs: use revision to identify directory node changes Ian Kent
2020-06-17  7:38 ` [PATCH v2 5/6] kernfs: refactor attr locking Ian Kent
2020-06-17  7:38 ` [PATCH v2 6/6] kernfs: make attr_mutex a local kernfs node lock Ian Kent
2020-06-19 15:38 ` [PATCH v2 0/6] kernfs: proposed locking and concurrency improvement Tejun Heo
2020-06-19 20:41   ` Rick Lindsley
2020-06-19 22:23     ` Tejun Heo
2020-06-20  2:44       ` Rick Lindsley
2020-06-22 17:53         ` Tejun Heo
2020-06-22 21:22           ` Rick Lindsley
2020-06-23 23:13             ` Tejun Heo
2020-06-24  9:04               ` Rick Lindsley
2020-06-24  9:27                 ` Greg Kroah-Hartman
2020-06-24 13:19                 ` Tejun Heo
2020-06-25  8:15               ` Ian Kent
2020-06-25  9:43                 ` Greg Kroah-Hartman
2020-06-26  0:19                   ` Ian Kent
2020-06-21  4:55       ` Ian Kent
2020-06-22 17:48         ` Tejun Heo
2020-06-22 18:03           ` Greg Kroah-Hartman
2020-06-22 21:27             ` Rick Lindsley
2020-06-23  5:21               ` Greg Kroah-Hartman
2020-06-23  5:09             ` Ian Kent
2020-06-23  6:02               ` Greg Kroah-Hartman
2020-06-23  8:01                 ` Ian Kent
2020-06-23  8:29                   ` Ian Kent
2020-06-23 11:49                   ` Greg Kroah-Hartman
2020-06-23  9:33                 ` Rick Lindsley
2020-06-23 11:45                   ` Greg Kroah-Hartman
2020-06-23 22:55                     ` Rick Lindsley
2020-06-23 11:51                   ` Ian Kent
2020-06-21  3:21   ` Ian Kent
2020-12-10 16:44 ` Fox Chen
2020-12-11  2:01   ` [PATCH " Ian Kent
2020-12-11  2:17     ` Ian Kent
2020-12-13  3:46       ` Ian Kent
2020-12-14  6:14         ` Fox Chen
2020-12-14 13:30           ` Ian Kent
2020-12-15  8:33             ` Fox Chen
2020-12-15 12:59               ` Ian Kent
2020-12-17  4:46                 ` Ian Kent
2020-12-17  8:54                   ` Fox Chen
2020-12-17 10:09                     ` Ian Kent
2020-12-17 11:09                       ` Ian Kent
2020-12-17 11:48                         ` Ian Kent
2020-12-17 15:14                           ` Tejun Heo
2020-12-18  7:36                             ` Ian Kent
2020-12-18  8:01                               ` Fox Chen
2020-12-18 11:21                                 ` Ian Kent
2020-12-18 13:20                                   ` Fox Chen
2020-12-19  0:53                                     ` Ian Kent
2020-12-19  7:47                                       ` Fox Chen
2020-12-22  2:17                                         ` Ian Kent
2020-12-18 14:59                               ` Tejun Heo [this message]
2020-12-19  7:08                                 ` Ian Kent
2020-12-19 16:23                                   ` Tejun Heo
2020-12-19 23:52                                     ` Ian Kent
2020-12-20  1:37                                       ` Ian Kent
2020-12-21  9:28                                       ` Fox Chen

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