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SubjectRe: VFS event hooks
In message <>, Andi Kleen writes:
| (Linus Torvalds) writes:
| > Note that the poll() approach would simply mean that the file browser
| > would have each directory that it displays open - and running poll on
| > them. Whenever poll indicates that the directory changed, it re-reads the
| > directory and updates as necessary.
| This means that if it displays a CD-ROM or a automount directory it cannot be
| umounted, which would be annoying.

(1) umount/eject from the file browser
(2) an attempted umount would send a different kind of poll notification to
the file browser, which would respond by closing the poll descriptor.
"umount /cdrom || (sleep 30; umount /cdrom)"
(you don't want to block umount on the close because that could be a DoS)

brandon s. allbery [os/2][linux][solaris][japh]
system administrator [WAY too many hats]
carnegie mellon / electrical and computer engineering KF8NH
We are Linux. Resistance is an indication that you missed the point.

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