From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jan Kara Subject: [PATCH 1/3] bdi: Initialize noop_backing_dev_info properly Date: Mon, 20 Sep 2010 17:44:29 +0200 Message-ID: <1284997471-9850-2-git-send-email-jack@suse.cz> References: <1284997471-9850-1-git-send-email-jack@suse.cz> Cc: Christoph Hellwig , LKML , linux-fsdevel@vger.kernel.org, Jan Kara To: Jens Axboe Return-path: In-Reply-To: <1284997471-9850-1-git-send-email-jack@suse.cz> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org 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 --- mm/backing-dev.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/mm/backing-dev.c b/mm/backing-dev.c index eaa4a5b..69ae8ca 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -30,6 +30,7 @@ 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); @@ -243,6 +244,7 @@ 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; } -- 1.6.4.2