block: Document the bio splitting functions
authorBart Van Assche <bvanassche@acm.org>
Thu, 1 Aug 2019 22:50:41 +0000 (15:50 -0700)
committerJens Axboe <axboe@kernel.dk>
Mon, 5 Aug 2019 03:41:29 +0000 (21:41 -0600)
commitdad7758459bc6097115f5e783eda232f36b1ad99
treecdf3e749fb4b8b0d9865f1c00c6139d64ee15e65
parentaf2c68fe94e8c0a628519b60ba070c5cf6526a99
block: Document the bio splitting functions

Since what the bio splitting functions do is nontrivial, document these
functions.

Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Ming Lei <ming.lei@redhat.com>
Cc: Hannes Reinecke <hare@suse.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
block/bio.c
block/blk-merge.c