From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Tue, 31 Mar 2009 22:19:15 +0000 (-0700)
Subject: proc tty: add struct tty_operations::proc_fops
X-Git-Tag: v2.6.30-rc1~601
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ae149b6bec64a09373ba20fce75f8aa6b14b78fd;p=pandora-kernel.git

proc tty: add struct tty_operations::proc_fops

Used for gradual switch of TTY drivers from using ->read_proc which helps
with gradual switch from ->read_proc for the whole tree.

As side effect, fix possible race condition when ->data initialized after
PDE is hooked into proc tree.

->proc_fops takes precedence over ->read_proc.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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