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Reuben HawkinsandGreg Kroah-Hartman
bc8e02850a
[ Upstream commit7116c0af4b] Readahead was factored to call generic_fadvise. That refactor added an S_ISREG restriction which broke readahead on block devices. In addition to S_ISREG, this change checks S_ISBLK to fix block device readahead. There is no change in behavior with any file type besides block devices in this change. Fixes:3d8f761531("vfs: implement readahead(2) using POSIX_FADV_WILLNEED") Signed-off-by: Reuben Hawkins <reubenhwk@gmail.com> Link: https://lore.kernel.org/r/20231003015704.2415-1-reubenhwk@gmail.com Reviewed-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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.