From 2263d443c405052b413b65506feb3534d375d55c Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Tue, 21 Sep 2010 11:48:55 +0200 Subject: bdi: Initialize noop_backing_dev_info properly commit 976e48f8a5b02fc33f3e5cad87fb3fcea041a49c upstream. Properly initialize this backing dev info so that writeback code does not barf when getting to it e.g. via sb->s_bdi. Signed-off-by: Jan Kara Signed-off-by: Jens Axboe Signed-off-by: Greg Kroah-Hartman --- mm/backing-dev.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/mm/backing-dev.c b/mm/backing-dev.c index 123bcef13e5..c0f71571982 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -29,6 +29,7 @@ EXPORT_SYMBOL_GPL(default_backing_dev_info); struct backing_dev_info noop_backing_dev_info = { .name = "noop", + .capabilities = BDI_CAP_NO_ACCT_AND_WRITEBACK, }; EXPORT_SYMBOL_GPL(noop_backing_dev_info); @@ -254,6 +255,7 @@ static int __init default_bdi_init(void) err = bdi_init(&default_backing_dev_info); if (!err) bdi_register(&default_backing_dev_info, NULL, "default"); + err = bdi_init(&noop_backing_dev_info); return err; } -- cgit v1.2.3