Kemeng Shi 1948279211 Revert "ext4: remove unnecessary check in ext4_bg_num_gdb_nometa"
This reverts commit ad3f09be6c.

The reverted commit was intended to simpfy the code to get group
descriptor block number in non-meta block group by assuming
s_gdb_count is block number used for all non-meta block group descriptors.
However s_gdb_count is block number used for all meta *and* non-meta
group descriptors. So s_gdb_group will be > actual group descriptor block
number used for all non-meta block group which should be "total non-meta
block group" / "group descriptors per block", e.g. s_first_meta_bg.

Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
Link: https://lore.kernel.org/r/20230613225025.3859522-1-shikemeng@huaweicloud.com
Fixes: ad3f09be6c ("ext4: remove unnecessary check in ext4_bg_num_gdb_nometa")
Cc: stable@kernel.org
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2023-06-14 22:22:27 -04:00
2023-05-19 13:56:26 -04:00
2023-06-04 14:04:27 -04:00

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
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