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Message-Id: <1477606323-30325-30-git-send-email-jsimmons@infradead.org>
Date: Thu, 27 Oct 2016 18:12:03 -0400
From: James Simmons <jsimmons@...radead.org>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
devel@...verdev.osuosl.org,
Andreas Dilger <andreas.dilger@...el.com>,
Oleg Drokin <oleg.drokin@...el.com>
Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Lustre Development List <lustre-devel@...ts.lustre.org>,
wang di <di.wang@...el.com>,
James Simmons <jsimmons@...radead.org>
Subject: [PATCH 29/29] staging: lustre: llog: record the minimum record size
From: wang di <di.wang@...el.com>
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 <di.wang@...el.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-7050
Reviewed-on: http://review.whamcloud.com/16103
Reviewed-by: Mike Pershin <mike.pershin@...el.com>
Reviewed-by: James Simmons <uja.ornl@...oo.com>
Reviewed-by: Oleg Drokin <oleg.drokin@...el.com>
Signed-off-by: James Simmons <jsimmons@...radead.org>
---
.../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
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