From: Al Viro <viro@ZenIV.linux.org.uk>
To: NeilBrown <neilb@suse.de>
Cc: David Heidelberger <david.heidelberger@ixit.cz>,
linux-nfs@vger.kernel.org
Subject: Re: DNOTIFY to INOTIFY migration
Date: Mon, 10 Mar 2014 01:45:52 +0000 [thread overview]
Message-ID: <20140310014551.GI18016@ZenIV.linux.org.uk> (raw)
In-Reply-To: <20140310115659.098a7c06@notabene.brown>
On Mon, Mar 10, 2014 at 11:56:59AM +1100, NeilBrown wrote:
> > I still don't understand WTF does rpc.imapd *want* either of those, TBH.
>
> The rpc_pipefs filesysem which is mounted on /var/lib/nfs/rpc_pipefs creates
> new channels for talking to userspace by making new pipes appear in some
> directory. Any client needs to arrange some notification for these new pipes
> appearing so that it can open them and hold a conversation over them.
> This calls for dnotify (in gssd and idmapd) or inotify (in blkmapd).
... or just adding ->poll() to the directory in question and using the
normal syscalls instead of all that weird crap.
next prev parent reply other threads:[~2014-03-10 1:45 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-07 20:30 DNOTIFY to INOTIFY migration David Heidelberger
2014-03-09 23:21 ` NeilBrown
2014-03-10 0:20 ` Al Viro
2014-03-10 0:56 ` NeilBrown
2014-03-10 1:45 ` Al Viro [this message]
2014-03-12 22:52 ` David Heidelberger
2014-03-12 23:11 ` NeilBrown
2014-03-10 0:55 ` David Heidelberger
2014-03-10 0:15 ` NeilBrown
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