From bd5a594b5b1cfa14646bc29e6c7745c961025055 Mon Sep 17 00:00:00 2001 From: Zhang Yi Date: Wed, 22 Mar 2023 09:33:53 +0800 Subject: ext4: update doc about journal superblock description Update the description in doc about the s_head parameter in the journal superblock. Signed-off-by: Zhang Yi Link: https://lore.kernel.org/r/20230322013353.1843306-4-yi.zhang@huaweicloud.com Signed-off-by: Theodore Ts'o --- Documentation/filesystems/ext4/journal.rst | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'Documentation') diff --git a/Documentation/filesystems/ext4/journal.rst b/Documentation/filesystems/ext4/journal.rst index a6bef5293a60..6e8fb2d4b46f 100644 --- a/Documentation/filesystems/ext4/journal.rst +++ b/Documentation/filesystems/ext4/journal.rst @@ -260,8 +260,13 @@ which is 1024 bytes long: - s_num_fc_blocks - Number of fast commit blocks in the journal. * - 0x58 + - __be32 + - s_head + - Block number of the head (first unused block) of the journal, only + up-to-date when the journal is empty. + * - 0x5C - __u32 - - s_padding[42] + - s_padding[40] - * - 0xFC - __be32 -- cgit