From: Pavel Emelyanov <xemul@openvz.org>
Date: Thu, 10 Oct 2013 13:12:18 +0000 (+0400)
Subject: fuse: Turn writeback cache on
X-Git-Tag: v3.15-rc1~94^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4d99ff8f12eb20c6cde292f185cb1c8c334ba0ed;p=pandora-kernel.git

fuse: Turn writeback cache on

Introduce a bit kernel and userspace exchange between each-other on
the init stage and turn writeback on if the userspace want this and
mount option 'allow_wbcache' is present (controlled by fusermount).

Also add each writable file into per-inode write list and call the
generic_file_aio_write to make use of the Linux page cache engine.

Signed-off-by: Maxim Patlasov <MPatlasov@parallels.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
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