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There is no need to synchronously execute all REQ_OP_ZONE_RESET BIOs necessary to reset a range of zones. Similarly to what is done for discard BIOs in blk-lib.c, all zone reset BIOs can be chained and executed asynchronously and a synchronous call done only for the last BIO of the chain. Modify blkdev_reset_zones() to operate similarly to blkdev_issue_discard() using the next_bio() helper for chaining BIOs. To avoid code duplication of that function in blk_zoned.c, rename next_bio() into blk_next_bio() and declare it as a block internal function in blk.h. Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com> 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.