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authorTejun Heo <tj@kernel.org>2009-07-03 17:48:16 +0900
committerJens Axboe <jens.axboe@oracle.com>2009-09-11 14:33:27 +0200
commita82afdfcb8c0df09776b6458af6b68fc58b2e87b (patch)
treed53910e4c2e9d1502cf2a7ce67a67cc54decb7fa /block/blk.h
parent0d03d59d9b31cd1e33b7e46a80b6fef66244b1f2 (diff)
block: use the same failfast bits for bio and request
bio and request use the same set of failfast bits. This patch makes the following changes to simplify things. * enumify BIO_RW* bits and reorder bits such that BIOS_RW_FAILFAST_* bits coincide with __REQ_FAILFAST_* bits. * The above pushes BIO_RW_AHEAD out of sync with __REQ_FAILFAST_DEV but the matching is useless anyway. init_request_from_bio() is responsible for setting FAILFAST bits on FS requests and non-FS requests never use BIO_RW_AHEAD. Drop the code and comment from blk_rq_bio_prep(). * Define REQ_FAILFAST_MASK which is OR of all FAILFAST bits and simplify FAILFAST flags handling in init_request_from_bio(). Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'block/blk.h')
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