From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1034169AbcJ0WNZ (ORCPT ); Thu, 27 Oct 2016 18:13:25 -0400 Received: from smtp2.ccs.ornl.gov ([160.91.203.11]:47738 "EHLO smtp2.ccs.ornl.gov" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964808AbcJ0WNS (ORCPT ); Thu, 27 Oct 2016 18:13:18 -0400 From: James Simmons To: Greg Kroah-Hartman , devel@driverdev.osuosl.org, Andreas Dilger , Oleg Drokin Cc: Linux Kernel Mailing List , Lustre Development List , wang di , James Simmons Subject: [PATCH 29/29] staging: lustre: llog: record the minimum record size Date: Thu, 27 Oct 2016 18:12:03 -0400 Message-Id: <1477606323-30325-30-git-send-email-jsimmons@infradead.org> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1477606323-30325-1-git-send-email-jsimmons@infradead.org> References: <1477606323-30325-1-git-send-email-jsimmons@infradead.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: wang di The minimum record size will be recorded in llh_size, which is only used by fixed size record llog now, and also add another flag LLOG_F_IS_FIXSIZE to indicate the fix size record llog. Signed-off-by: wang di Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-7050 Reviewed-on: http://review.whamcloud.com/16103 Reviewed-by: Mike Pershin Reviewed-by: James Simmons Reviewed-by: Oleg Drokin Signed-off-by: James Simmons --- .../lustre/lustre/include/lustre/lustre_idl.h | 7 +++++++ drivers/staging/lustre/lustre/obdclass/llog.c | 1 + 2 files changed, 8 insertions(+), 0 deletions(-) diff --git a/drivers/staging/lustre/lustre/include/lustre/lustre_idl.h b/drivers/staging/lustre/lustre/include/lustre/lustre_idl.h index 6896c37..db09f3b 100644 --- a/drivers/staging/lustre/lustre/include/lustre/lustre_idl.h +++ b/drivers/staging/lustre/lustre/include/lustre/lustre_idl.h @@ -3020,7 +3020,14 @@ enum llog_flag { LLOG_F_IS_CAT = 0x2, LLOG_F_IS_PLAIN = 0x4, LLOG_F_EXT_JOBID = BIT(3), + LLOG_F_IS_FIXSIZE = BIT(4), + /* + * Note: Flags covered by LLOG_F_EXT_MASK will be inherited from + * catlog to plain log, so do not add LLOG_F_IS_FIXSIZE here, + * because the catlog record is usually fixed size, but its plain + * log record can be variable + */ LLOG_F_EXT_MASK = LLOG_F_EXT_JOBID, }; diff --git a/drivers/staging/lustre/lustre/obdclass/llog.c b/drivers/staging/lustre/lustre/obdclass/llog.c index 5c9447e..3bc1789 100644 --- a/drivers/staging/lustre/lustre/obdclass/llog.c +++ b/drivers/staging/lustre/lustre/obdclass/llog.c @@ -193,6 +193,7 @@ int llog_init_handle(const struct lu_env *env, struct llog_handle *handle, LASSERT(list_empty(&handle->u.chd.chd_head)); INIT_LIST_HEAD(&handle->u.chd.chd_head); llh->llh_size = sizeof(struct llog_logid_rec); + llh->llh_flags |= LLOG_F_IS_FIXSIZE; } else if (!(flags & LLOG_F_IS_PLAIN)) { CERROR("%s: unknown flags: %#x (expected %#x or %#x)\n", handle->lgh_ctxt->loc_obd->obd_name, -- 1.7.1