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8e42d239cb
In the current implementation, final zone-mgmt request is issued with submit_bio_wait() which marks the bio REQ_SYNC. This is needed since immediate action is expected for zone-mgmt requests as these are blocking operations. This also bypasses the scheduler in the blk_mq_make_request() and dispatches the request directly into the hw ctx. This patch marks all the chained bios REQ_SYNC so that we can have above-mentioned behavior for non-final bios also. Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com> Reviewed-by: Bob Liu <bob.liu@oracle.com> Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@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.