[gamin] Re: [RFC][PATCH] inotify 0.10.0
- From: Robert Love <rml novell com>
- To: Chris Friesen <cfriesen nortelnetworks com>
- Cc: Andrew Morton <akpm osdl org>, gamin-list gnome org, viro parcelfarce linux theplanet co uk, Ray Lee <ray-lk madrabbit org>, linux-kernel vger kernel org, iggy gentoo org
- Subject: [gamin] Re: [RFC][PATCH] inotify 0.10.0
- Date: Tue, 28 Sep 2004 12:53:18 -0400
On Tue, 2004-09-28 at 10:41 -0600, Chris Friesen wrote:
> Andrew Morton wrote:
>
> > Why don't you pass a file descriptor into the syscall instead of a pathname?
> > You can then take a ref on the inode and userspace can close the file.
> > That gets you permission checking for free.
>
> For passing in the data, that would work. Wouldn't you still need a name or
> path when getting data back though?
Does Andrew mean an fd on the thing being watched?
That is what we are trying to fix with dnotify: the open fd's are pin
the device and prevent unmount, making notification on removable devices
impossible. Such a 1:1 relationship also opens way too many fd's.
Robert Love
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