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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-11-23 08:25:08 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-11-23 08:25:08 +0100
commit3b3e23092449a57f4ba57cd60506ab14055b1642 (patch)
treeacd10e1f2b772ed8ae6181b751a1863be634b4e7 /Documentation/filesystems/ext4
parent660beb0ffdc9fc0695321dde5e115cd8cc384c94 (diff)
parent418baf2c28f3473039f2f7377760bd8f6897ae18 (diff)
Merge 5.10-rc5 into tty-next
We need the tty/serial fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/filesystems/ext4')
-rw-r--r--Documentation/filesystems/ext4/journal.rst6
-rw-r--r--Documentation/filesystems/ext4/super.rst7
2 files changed, 13 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:
diff --git a/Documentation/filesystems/ext4/super.rst b/Documentation/filesystems/ext4/super.rst
index 93e55d7c1d40..2eb1ab20498d 100644
--- a/Documentation/filesystems/ext4/super.rst
+++ b/Documentation/filesystems/ext4/super.rst
@@ -596,6 +596,13 @@ following:
- Sparse Super Block, v2. If this flag is set, the SB field s\_backup\_bgs
points to the two block groups that contain backup superblocks
(COMPAT\_SPARSE\_SUPER2).
+ * - 0x400
+ - Fast commits supported. Although fast commits blocks are
+ backward incompatible, fast commit blocks are not always
+ present in the journal. If fast commit blocks are present in
+ the journal, JBD2 incompat feature
+ (JBD2\_FEATURE\_INCOMPAT\_FAST\_COMMIT) gets
+ set (COMPAT\_FAST\_COMMIT).
.. _super_incompat: