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42b5d73b5d
When on SINGLE block group, btrfs_get_io_geometry() will return "the size of the block group - the offset of the logical address within the block group" as geom.len. Since we allow up to 8 GiB zone size on zoned filesystem, we can have up to 8 GiB block group, so can have up to 8 GiB geom.len as well. With this setup, we easily hit the "ASSERT(geom.len <= INT_MAX);". The ASSERT looks like to guard btrfs_bio_clone_partial() and bio_trim() which both take "int" (now u64 due to the previous patch). So to be precise the ASSERT should check if clone_len <= UINT_MAX. But actually, clone_len is already capped by bio.bi_iter.bi_size which is unsigned int. So the ASSERT is not necessary. Drop the ASSERT and properly compare submit_len and geom.len in u64. Then, let the implicit casting to convert it to u64. Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com> |
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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.