Commit bd5a594b authored by Zhang Yi's avatar Zhang Yi Committed by Theodore Ts'o
Browse files

ext4: update doc about journal superblock description 



Update the description in doc about the s_head parameter in the journal
superblock.

Signed-off-by: default avatarZhang Yi <yi.zhang@huawei.com>
Link: https://lore.kernel.org/r/20230322013353.1843306-4-yi.zhang@huaweicloud.com


Signed-off-by: default avatarTheodore Ts'o <tytso@mit.edu>
parent 72945058

Documentation/filesystems/ext4/journal.rst

+6 −1
Original line number Diff line number Diff line
@@ -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