From:   Zhang Yi <yi.zhang@huaweicloud.com>
To:     linux-ext4@vger.kernel.org
Cc:     tytso@mit.edu, adilger.kernel@dilger.ca, jack@suse.cz,
        yi.zhang@huawei.com, yi.zhang@huaweicloud.com, yukuai3@huawei.com
Subject: [PATCH 4/4] ext4.5: document the journal_cycle_record mount options
Date:   Tue, 14 Mar 2023 22:10:58 +0800
Message-Id: <20230314141058.3267404-5-yi.zhang@huaweicloud.com>
In-Reply-To: <20230314141058.3267404-1-yi.zhang@huaweicloud.com>
References: <20230314141058.3267404-1-yi.zhang@huaweicloud.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

From: Zhang Yi <yi.zhang@huawei.com>

Signed-off-by: Zhang Yi <yi.zhang@huawei.com>
---
 misc/ext4.5.in | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/misc/ext4.5.in b/misc/ext4.5.in
index c835a344..45392d1b 100644
--- a/misc/ext4.5.in
+++ b/misc/ext4.5.in
@@ -574,6 +574,12 @@ Commit block can be written to disk without waiting for descriptor blocks. If
 enabled older kernels cannot mount the device.
 This will enable 'journal_checksum' internally.
 .TP
+.B journal_cycle_record
+The journal continue to record transactions in a new mount behind the previous
+mount, instead of always record from the start of the logging area. This will
+alow logdump code in debugfs to dump continuous transactions between each
+mount.
+.TP
 .BR barrier=0 " / " barrier=1 " / " barrier " / " nobarrier
 These mount options have the same effect as in ext3.  The mount options
 "barrier" and "nobarrier" are added for consistency with other ext4 mount
-- 
2.31.1