Since the default ext4 group desc size is 64 now and the size mentioned
in this doc is 64 too. Change it to 64.
Signed-off-by: Wu Bo <[email protected]>
---
Documentation/filesystems/ext4/blockgroup.rst | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/Documentation/filesystems/ext4/blockgroup.rst b/Documentation/filesystems/ext4/blockgroup.rst
index 46d78f860623..ed5a5cac6d40 100644
--- a/Documentation/filesystems/ext4/blockgroup.rst
+++ b/Documentation/filesystems/ext4/blockgroup.rst
@@ -105,9 +105,9 @@ descriptors. Instead, the superblock and a single block group descriptor
block is placed at the beginning of the first, second, and last block
groups in a meta-block group. A meta-block group is a collection of
block groups which can be described by a single block group descriptor
-block. Since the size of the block group descriptor structure is 32
-bytes, a meta-block group contains 32 block groups for filesystems with
-a 1KB block size, and 128 block groups for filesystems with a 4KB
+block. Since the size of the block group descriptor structure is 64
+bytes, a meta-block group contains 16 block groups for filesystems with
+a 1KB block size, and 64 block groups for filesystems with a 4KB
blocksize. Filesystems can either be created using this new block group
descriptor layout, or existing filesystems can be resized on-line, and
the field s_first_meta_bg in the superblock will indicate the first
--
2.35.3
On Mon, Feb 20, 2023 at 07:06:37PM +0800, Wu Bo wrote:
> Since the default ext4 group desc size is 64 now and the size mentioned
> in this doc is 64 too. Change it to 64.
>
> Signed-off-by: Wu Bo <[email protected]>
Could you please a parenthetical comment: "(assuming that the 64-bit
feature is enbled)"?
Thanks!
- Ted