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2bea8df0a5
In commitd47fef9342, we removed the firstrec and firstkey fields of struct xchk_btree because Christoph thought they were unnecessary because we could use the record index in the btree cursor. This is incorrect because bc_ptrs (now bc_levels[].ptr) tracks the cursor position within a specific btree block, not within the entire level. The end result is that scrub no longer detects situations where the rightmost record of a block is identical to the leftmost record of that block's right sibling. Fix this regression by reintroducing record validity booleans so that order checking skips *only* the leftmost record/key in each level. Fixes:d47fef9342("xfs: don't track firstrec/firstkey separately in xchk_btree") Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Dave Chinner <dchinner@redhat.com>
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.