From: Matthew Wilcox Subject: Re: [PATCH v4 06/27] fs: check for writeback errors after syncing out buffers in generic_file_fsync Date: Wed, 10 May 2017 05:48:36 -0700 Message-ID: <20170510124836.GA1590@bombadil.infradead.org> References: <20170509154930.29524-1-jlayton@redhat.com> <20170509154930.29524-7-jlayton@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-cifs@vger.kernel.org, linux-nfs@vger.kernel.org, linux-mm@kvack.org, jfs-discussion@lists.sourceforge.net, linux-xfs@vger.kernel.org, cluster-devel@redhat.com, linux-f2fs-devel@lists.sourceforge.net, v9fs-developer@lists.sourceforge.net, linux-nilfs@vger.kernel.org, linux-block@vger.kernel.org, dhowells@redhat.com, akpm@linux-foundation.org, hch@infradead.org, ross.zwisler@linux.intel.com, mawilcox@microsoft.com, jack@suse.com, viro@zeniv.linux.org.uk, corbet@lwn.net, neilb@suse.de, clm@fb.com, tytso@mit.edu, axboe@kernel.dk, josef@toxicpanda.com, hubcap@omnibond.com, rpeterso@redhat.com, bo.li.liu@oracle.com To: Jeff Layton Return-path: Content-Disposition: inline In-Reply-To: <20170509154930.29524-7-jlayton@redhat.com> Sender: owner-linux-mm@kvack.org List-Id: linux-ext4.vger.kernel.org On Tue, May 09, 2017 at 11:49:09AM -0400, Jeff Layton wrote: > ext2 currently does a test+clear of the AS_EIO flag, which is > is problematic for some coming changes. > > What we really need to do instead is call filemap_check_errors > in __generic_file_fsync after syncing out the buffers. That > will be sufficient for this case, and help other callers detect > these errors properly as well. > > With that, we don't need to twiddle it in ext2. > > Suggested-by: Jan Kara > Signed-off-by: Jeff Layton > Reviewed-by: Christoph Hellwig > Reviewed-by: Jan Kara Reviewed-by: Matthew Wilcox -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org