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ext4: update doc about journal superblock description
author
Zhang Yi
<yi.zhang@huawei.com>
Wed, 22 Mar 2023 01:33:53 +0000
(09:33 +0800)
committer
Theodore Ts'o
<tytso@mit.edu>
Mon, 26 Jun 2023 23:35:13 +0000
(19:35 -0400)
Update the description in doc about the s_head parameter in the journal
superblock.
Signed-off-by: Zhang Yi <yi.zhang@huawei.com>
Link:
https://lore.kernel.org/r/20230322013353.1843306-4-yi.zhang@huaweicloud.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Documentation/filesystems/ext4/journal.rst
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diff --git
a/Documentation/filesystems/ext4/journal.rst
b/Documentation/filesystems/ext4/journal.rst
index
a6bef52
..
6e8fb2d
100644
(file)
--- 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[4
2
]
+ - s_padding[4
0
]
-
* - 0xFC
- __be32