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    block: Abstract out bvec iterator · 4f024f37
    Kent Overstreet authored
    
    
    Immutable biovecs are going to require an explicit iterator. To
    implement immutable bvecs, a later patch is going to add a bi_bvec_done
    member to this struct; for now, this patch effectively just renames
    things.
    
    Signed-off-by: default avatarKent Overstreet <kmo@daterainc.com>
    Cc: Jens Axboe <axboe@kernel.dk>
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    Cc: Christian Borntraeger <borntraeger@de.ibm.com>
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    Cc: Mel Gorman <mgorman@suse.de>6
    4f024f37