From: Zhang Yi <yi.zhang@xxxxxxxxxx>
Update the description in doc about the s_head parameter in the journal
superblock.
Signed-off-by: Zhang Yi <yi.zhang@xxxxxxxxxx>
---
Documentation/filesystems/ext4/journal.rst | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
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
--
2.31.1
