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authorKent Overstreet <koverstreet@google.com>2012-09-10 14:30:37 -0700
committerKent Overstreet <koverstreet@google.com>2013-03-23 14:26:26 -0700
commit6bc454d150047fcfbf53346412e64cdf3bf61a79 (patch)
tree149f1c376d000053244867e3f72d48ef1bf1c563 /fs/exofs
parentd3b45c2a056c5df443d1ddf27fbfada65f234af1 (diff)
bounce: Refactor __blk_queue_bounce to not use bi_io_vec
A bunch of what __blk_queue_bounce() was doing was problematic for the immutable bvec work; this cleans that up and the code is quite a bit smaller, too. The __bio_for_each_segment() in copy_to_high_bio_irq() was changed because that one's looping over the original bio, not the bounce bio - a later patch renames __bio_for_each_segment() -> bio_for_each_segment_all(), and documents that bio_for_each_segment_all() is only for code that owns the bio. Signed-off-by: Kent Overstreet <koverstreet@google.com> CC: Jens Axboe <axboe@kernel.dk>
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