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65f8e62593
Switch gfs2_read_super to allocate the superblock buffer using kmalloc which falls back to the page allocator for PAGE_SIZE allocation but gives us a kernel virtual address and then use bdev_rw_virt to perform the synchronous read into it. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Andreas Gruenbacher <agruenba@redhat.com> Reviewed-by: Damien Le Moal <dlemoal@kernel.org> Link: https://lore.kernel.org/r/20250507120451.4000627-11-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
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 reStructuredText 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.