From: Miklos Szeredi <mszeredi@suse.cz>
Date: Wed, 17 Oct 2007 06:30:59 +0000 (-0700)
Subject: fuse: update backing_dev_info congestion state
X-Git-Tag: v2.6.24-rc1~550
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f92b99b9dccb61760b345baf40ed37f59b91f8af;p=pandora-kernel.git

fuse: update backing_dev_info congestion state

Set the read and write congestion state if the request queue is close to
blocking, and clear it when it's not.

This prevents unnecessary blocking in readahead and (when writable mmaps are
allowed) writeback.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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