From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:36156 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752075AbdEQP5V (ORCPT ); Wed, 17 May 2017 11:57:21 -0400 Subject: Patch "fs/block_dev: always invalidate cleancache in invalidate_bdev()" has been added to the 4.11-stable tree To: aryabinin@virtuozzo.com, akpm@linux-foundation.org, axboe@kernel.dk, gregkh@linuxfoundation.org, hannes@cmpxchg.org, hch@lst.de, jack@suse.cz, konrad.wilk@oracle.com, kuznet@virtuozzo.com, n.borisov.lkml@gmail.com, ross.zwisler@linux.intel.com, torvalds@linux-foundation.org, viro@zeniv.linux.org.uk Cc: , From: Date: Wed, 17 May 2017 17:55:56 +0200 Message-ID: <14950365563876@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled fs/block_dev: always invalidate cleancache in invalidate_bdev() to the 4.11-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: fs-block_dev-always-invalidate-cleancache-in-invalidate_bdev.patch and it can be found in the queue-4.11 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From a5f6a6a9c72eac38a7fadd1a038532bc8516337c Mon Sep 17 00:00:00 2001 From: Andrey Ryabinin Date: Wed, 3 May 2017 14:56:02 -0700 Subject: fs/block_dev: always invalidate cleancache in invalidate_bdev() From: Andrey Ryabinin commit a5f6a6a9c72eac38a7fadd1a038532bc8516337c upstream. invalidate_bdev() calls cleancache_invalidate_inode() iff ->nrpages != 0 which doen't make any sense. Make sure that invalidate_bdev() always calls cleancache_invalidate_inode() regardless of mapping->nrpages value. Fixes: c515e1fd361c ("mm/fs: add hooks to support cleancache") Link: http://lkml.kernel.org/r/20170424164135.22350-3-aryabinin@virtuozzo.com Signed-off-by: Andrey Ryabinin Reviewed-by: Jan Kara Acked-by: Konrad Rzeszutek Wilk Cc: Alexander Viro Cc: Ross Zwisler Cc: Jens Axboe Cc: Johannes Weiner Cc: Alexey Kuznetsov Cc: Christoph Hellwig Cc: Nikolay Borisov Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds Signed-off-by: Greg Kroah-Hartman --- fs/block_dev.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -103,12 +103,11 @@ void invalidate_bdev(struct block_device { struct address_space *mapping = bdev->bd_inode->i_mapping; - if (mapping->nrpages == 0) - return; - - invalidate_bh_lrus(); - lru_add_drain_all(); /* make sure all lru add caches are flushed */ - invalidate_mapping_pages(mapping, 0, -1); + if (mapping->nrpages) { + invalidate_bh_lrus(); + lru_add_drain_all(); /* make sure all lru add caches are flushed */ + invalidate_mapping_pages(mapping, 0, -1); + } /* 99% of the time, we don't need to flush the cleancache on the bdev. * But, for the strange corners, lets be cautious */ Patches currently in stable-queue which might be from aryabinin@virtuozzo.com are queue-4.11/fs-block_dev-always-invalidate-cleancache-in-invalidate_bdev.patch queue-4.11/mm-prevent-potential-recursive-reclaim-due-to-clearing-pf_memalloc.patch queue-4.11/fs-fix-data-invalidation-in-the-cleancache-during-direct-io.patch