Ojaswin Mujoo e89fdcc425 ext4: enable dioread_nolock as default for bs < ps case
dioread_nolock was originally disabled as a default option for bs < ps
scenarios due to a data corruption issue. Since then, we've had some
fixes in this area which address such issues. Enable dioread_nolock by
default and remove the experimental warning message for bs < ps path.

dioread for bs < ps has been tested on a 64k pagesize machine using:

kvm-xfstest -C 3 -g auto

with the following configs:

64k adv bigalloc_4k bigalloc_64k data_journal encrypt
dioread_nolock dioread_nolock_4k ext3 ext3conv nojournal

And no new regressions were seen compared to baseline kernel.

Suggested-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Signed-off-by: Ojaswin Mujoo <ojaswin@linux.ibm.com>
Reviewed-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Link: https://lore.kernel.org/r/20231101154717.531865-1-ojaswin@linux.ibm.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2024-01-04 23:28:47 -05:00
2022-09-28 09:02:20 +02:00
2023-11-26 19:59:33 -08:00

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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