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bbac6e0fa5
blk_zone_wp_offset() is always called with a struct blk_zone obtained from the device, that is, it will never see the BLK_ZONE_COND_ACTIVE condition. However, handling this condition makes this function more solid and will also avoid issues when propagating cached report requests to underlying stacked devices is implemented. Add BLK_ZONE_COND_ACTIVE as a new case in blk_zone_wp_offset() switch. Also while at it, change the handling of the full condition to return UINT_MAX for the zone write pointer to reflect the fact that the write pointer of a full zone is invalid. Signed-off-by: Damien Le Moal <dlemoal@kernel.org> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Christoph Hellwig <hch@lst.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 reStructuredText 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.