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SubjectRe: [RFC][PATCH] inotify 0.10.0
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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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