From patchwork Thu Jun 3 05:22:24 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Chinner X-Patchwork-Id: 12296209 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 793EBC47096 for ; Thu, 3 Jun 2021 05:23:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5CF6561359 for ; Thu, 3 Jun 2021 05:23:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229812AbhFCFYu (ORCPT ); Thu, 3 Jun 2021 01:24:50 -0400 Received: from mail107.syd.optusnet.com.au ([211.29.132.53]:57252 "EHLO mail107.syd.optusnet.com.au" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229640AbhFCFYt (ORCPT ); Thu, 3 Jun 2021 01:24:49 -0400 Received: from dread.disaster.area (pa49-179-138-183.pa.nsw.optusnet.com.au [49.179.138.183]) by mail107.syd.optusnet.com.au (Postfix) with ESMTPS id 006831140945 for ; Thu, 3 Jun 2021 15:22:51 +1000 (AEST) Received: from discord.disaster.area ([192.168.253.110]) by dread.disaster.area with esmtp (Exim 4.92.3) (envelope-from ) id 1lofoh-008Mr1-3v for linux-xfs@vger.kernel.org; Thu, 03 Jun 2021 15:22:51 +1000 Received: from dave by discord.disaster.area with local (Exim 4.94) (envelope-from ) id 1lofog-000imI-SB for linux-xfs@vger.kernel.org; Thu, 03 Jun 2021 15:22:50 +1000 From: Dave Chinner To: linux-xfs@vger.kernel.org Subject: [PATCH 23/39] xfs: xlog_write() no longer needs contwr state Date: Thu, 3 Jun 2021 15:22:24 +1000 Message-Id: <20210603052240.171998-24-david@fromorbit.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210603052240.171998-1-david@fromorbit.com> References: <20210603052240.171998-1-david@fromorbit.com> MIME-Version: 1.0 X-Optus-CM-Score: 0 X-Optus-CM-Analysis: v=2.3 cv=F8MpiZpN c=1 sm=1 tr=0 a=MnllW2CieawZLw/OcHE/Ng==:117 a=MnllW2CieawZLw/OcHE/Ng==:17 a=r6YtysWOX24A:10 a=20KFwNOVAAAA:8 a=VwQbUJbxAAAA:8 a=0CMaWtTLTcrcxSC13TsA:9 a=AjGcO6oz07-iQ99wixmX:22 Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org From: Dave Chinner The rework of xlog_write() no longer requires xlog_get_iclog_state() to tell it about internal iclog space reservation state to direct it on what to do. Remove this parameter. $ size fs/xfs/xfs_log.o.* text data bss dec hex filename 26520 560 8 27088 69d0 fs/xfs/xfs_log.o.orig 26384 560 8 26952 6948 fs/xfs/xfs_log.o.patched Signed-off-by: Dave Chinner Reviewed-by: Darrick J. Wong --- fs/xfs/xfs_log.c | 29 ++++++++++------------------- 1 file changed, 10 insertions(+), 19 deletions(-) diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index 98a3e2e4f1e0..574078985f0a 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -47,7 +47,6 @@ xlog_state_get_iclog_space( int len, struct xlog_in_core **iclog, struct xlog_ticket *ticket, - int *continued_write, int *logoffsetp); STATIC void xlog_grant_push_ail( @@ -2178,8 +2177,7 @@ xlog_write_get_more_iclog_space( uint32_t *log_offset, uint32_t len, uint32_t *record_cnt, - uint32_t *data_cnt, - int *contwr) + uint32_t *data_cnt) { struct xlog_in_core *iclog = *iclogp; int error; @@ -2193,8 +2191,8 @@ xlog_write_get_more_iclog_space( if (error) return error; - error = xlog_state_get_iclog_space(log, len, &iclog, - ticket, contwr, log_offset); + error = xlog_state_get_iclog_space(log, len, &iclog, ticket, + log_offset); if (error) return error; *record_cnt = 0; @@ -2218,8 +2216,7 @@ xlog_write_partial( uint32_t *log_offset, uint32_t *len, uint32_t *record_cnt, - uint32_t *data_cnt, - int *contwr) + uint32_t *data_cnt) { struct xlog_in_core *iclog = *iclogp; struct xfs_log_vec *lv = log_vector; @@ -2253,7 +2250,7 @@ xlog_write_partial( sizeof(struct xlog_op_header)) { error = xlog_write_get_more_iclog_space(log, ticket, &iclog, log_offset, *len, record_cnt, - data_cnt, contwr); + data_cnt); if (error) return ERR_PTR(error); ptr = iclog->ic_datap + *log_offset; @@ -2309,7 +2306,7 @@ xlog_write_partial( error = xlog_write_get_more_iclog_space(log, ticket, &iclog, log_offset, *len, record_cnt, - data_cnt, contwr); + data_cnt); if (error) return ERR_PTR(error); ptr = iclog->ic_datap + *log_offset; @@ -2407,7 +2404,6 @@ xlog_write( { struct xlog_in_core *iclog = NULL; struct xfs_log_vec *lv = log_vector; - int contwr = 0; int record_cnt = 0; int data_cnt = 0; int error = 0; @@ -2421,7 +2417,7 @@ xlog_write( } error = xlog_state_get_iclog_space(log, len, &iclog, ticket, - &contwr, &log_offset); + &log_offset); if (error) return error; @@ -2437,7 +2433,7 @@ xlog_write( ASSERT(!(optype & (XLOG_COMMIT_TRANS | XLOG_UNMOUNT_TRANS))); lv = xlog_write_partial(log, lv, ticket, &iclog, &log_offset, - &len, &record_cnt, &data_cnt, &contwr); + &len, &record_cnt, &data_cnt); if (IS_ERR_OR_NULL(lv)) { error = PTR_ERR_OR_ZERO(lv); break; @@ -2451,7 +2447,6 @@ xlog_write( * those writes accounted to it. Hence we do not need to update the * iclog with the number of bytes written here. */ - ASSERT(!contwr || XLOG_FORCED_SHUTDOWN(log)); spin_lock(&log->l_icloglock); xlog_state_finish_copy(log, iclog, record_cnt, 0); if (commit_iclog) { @@ -2855,7 +2850,6 @@ xlog_state_get_iclog_space( int len, struct xlog_in_core **iclogp, struct xlog_ticket *ticket, - int *continued_write, int *logoffsetp) { int log_offset; @@ -2931,13 +2925,10 @@ xlog_state_get_iclog_space( * iclogs (to mark it taken), this particular iclog will release/sync * to disk in xlog_write(). */ - if (len <= iclog->ic_size - iclog->ic_offset) { - *continued_write = 0; + if (len <= iclog->ic_size - iclog->ic_offset) iclog->ic_offset += len; - } else { - *continued_write = 1; + else xlog_state_switch_iclogs(log, iclog, iclog->ic_size); - } *iclogp = iclog; ASSERT(iclog->ic_offset <= iclog->ic_size);