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5d93a842c1
BTREE_TRIGGER_WANTS_OLD_AND_NEW didn't work correctly when the old and new key were both alloc keys, but different versions - it required old and new key type to be identical, and this bug is a problem for the new allocator rewrite. This patch fixes it by checking if the old and new key have the same trigger functions - the different versions of alloc (and inode) keys have the same trigger functions. Signed-off-by: Kent Overstreet <kent.overstreet@gmail.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.