From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E8B49C433EF for ; Thu, 14 Oct 2021 12:03:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CDC24610EA for ; Thu, 14 Oct 2021 12:03:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230010AbhJNMF6 (ORCPT ); Thu, 14 Oct 2021 08:05:58 -0400 Received: from smtp-out1.suse.de ([195.135.220.28]:58796 "EHLO smtp-out1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230032AbhJNMF6 (ORCPT ); Thu, 14 Oct 2021 08:05:58 -0400 Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 880A821A73; Thu, 14 Oct 2021 12:03:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1634213032; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=+YGJuSqWqu59dVsZM1qiITmFVB7M/5Ic0w3O/Npa1J8=; b=t7JfgZx9AcyViYDnaFyHmmIK5wV1csQJIKNELDQoQJEGJ1rii59CiyGH7Dskm5KjnEO8Wb Z7/7Y4B4R4/1OKKthOp4pJ5IiDfWU5GXEi2Twvel/iz3A18E7rTDZvn0W+hte0LMkKDZgd DqgUdLftR4mb7hNIefltIODpIFdUQRI= Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 4393713D8D; Thu, 14 Oct 2021 12:03:52 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id 8bgDDqgcaGGsMQAAMHmgww (envelope-from ); Thu, 14 Oct 2021 12:03:52 +0000 Subject: Re: [PATCH v11 02/14] fs: export variant of generic_write_checks without iov_iter To: Omar Sandoval , linux-btrfs@vger.kernel.org Cc: kernel-team@fb.com, linux-fsdevel@vger.kernel.org, linux-api@vger.kernel.org References: <119d77ad1d63aac1c02e88d750e7e35721c67c97.1630514529.git.osandov@fb.com> From: Nikolay Borisov Message-ID: Date: Thu, 14 Oct 2021 15:03:51 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: <119d77ad1d63aac1c02e88d750e7e35721c67c97.1630514529.git.osandov@fb.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-api@vger.kernel.org On 1.09.21 г. 20:00, Omar Sandoval wrote: > From: Omar Sandoval > > Encoded I/O in Btrfs needs to check a write with a given logical size > without an iov_iter that matches that size (because the iov_iter we have > is for the compressed data). So, factor out the parts of > generic_write_check() that don't need an iov_iter into a new > generic_write_checks_count() function and export that. > > Signed-off-by: Omar Sandoval Reviewed-by: Nikolay Borisov