summaryrefslogtreecommitdiff
path: root/Documentation/filesystems/ext4/journal.rst
diff options
context:
space:
mode:
authorJakub Kicinski <kuba@kernel.org>2020-11-12 16:54:48 -0800
committerJakub Kicinski <kuba@kernel.org>2020-11-12 16:54:48 -0800
commite1d9d7b91302593d1951fcb12feddda6fb58a3c0 (patch)
tree25662dfcceb84414d66f6c90714883b1542c0ea5 /Documentation/filesystems/ext4/journal.rst
parente865802357086b36632acf3e629f726f089a6769 (diff)
parentdb7c953555388571a96ed8783ff6c5745ba18ab9 (diff)
downloadlinux-next-e1d9d7b91302593d1951fcb12feddda6fb58a3c0.tar.gz
Merge https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'Documentation/filesystems/ext4/journal.rst')
-rw-r--r--Documentation/filesystems/ext4/journal.rst6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/filesystems/ext4/journal.rst b/Documentation/filesystems/ext4/journal.rst
index 805a1e9ea3a5..849d5b119eb8 100644
--- a/Documentation/filesystems/ext4/journal.rst
+++ b/Documentation/filesystems/ext4/journal.rst
@@ -256,6 +256,10 @@ which is 1024 bytes long:
- s\_padding2
-
* - 0x54
+ - \_\_be32
+ - s\_num\_fc\_blocks
+ - Number of fast commit blocks in the journal.
+ * - 0x58
- \_\_u32
- s\_padding[42]
-
@@ -310,6 +314,8 @@ The journal incompat features are any combination of the following:
- This journal uses v3 of the checksum on-disk format. This is the same as
v2, but the journal block tag size is fixed regardless of the size of
block numbers. (JBD2\_FEATURE\_INCOMPAT\_CSUM\_V3)
+ * - 0x20
+ - Journal has fast commit blocks. (JBD2\_FEATURE\_INCOMPAT\_FAST\_COMMIT)
.. _jbd2_checksum_type: