tree 74d5e95a0aa85b8a8b94621b247a78eb527ce609
parent 976e48f8a5b02fc33f3e5cad87fb3fcea041a49c
author Jan Kara <jack@suse.cz> 1285062541 +0200
committer Jens Axboe <jaxboe@fusionio.com> 1285141727 +0200

char: Mark /dev/zero and /dev/kmem as not capable of writeback

These devices don't do any writeback but their device inodes still can get
dirty so mark bdi appropriately so that bdi code does the right thing and files
inodes to lists of bdi carrying the device inodes.

Cc: stable@kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>