Re: [RFC/PATCH] inotify -- a dnotify replacement

From: raven
Date: Fri May 14 2004 - 23:56:59 EST

On Sun, 9 May 2004, John McCutchan wrote:

> Hi,
> I have been working on inotify a dnotify replacement.

Help me here a little John I'm a little slow on the uptake.

> inotify is a char device that has two ioctls: INOTIFY_WATCH and
> INOTIFY_IGNORE Which expect an inode number and an inode device number.
> I know that on some file systems the inode number and inode device
> number are not guaranteed to be unique. This driver is only meant for
> file systems that have unique inode numbers.
> The two biggest complaints people have about dnotify are
> 1) dnotify delivers events using signals.
> 2) dnotify needs a file to be kept open on the device, causing problems
> during unmount.

So we are saying we open the device file to do our stuff instead of
keeping a file open?

In kernel functionality could be provided by calling appropriately exported

This implementation caters read/write notifications only at this stage?


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