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08a1782881
In order to update the partial super block of cache set, the seq numbers of cache and cache set are checked in register_cache_set(). If cache's seq number is larger than cache set's seq number, cache set must update its partial super block from cache's super block. It is unncessary when the embedded struct cache_sb is removed from struct cache set. This patch removed the seq numbers checking from register_cache_set(), because later there will be no such partial super block in struct cache set, the cache set will directly reference in-memory super block from struct cache. This is a preparation patch for removing embedded struct cache_sb from struct cache_set. Signed-off-by: Coly Li <colyli@suse.de> Reviewed-by: Hannes Reinecke <hare@suse.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 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.