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-rw-r--r--Documentation/filesystems/ext4/journal.rst7
1 files changed, 6 insertions, 1 deletions
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