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block_dev.c

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  • user avatar
    Andi Kleen authored and Linus Torvalds committed
    This makes it possible to get from the inode to the request_queue with one
    less cache miss.  Used in followon optimization.
    
    The livetime of the pointer is the same as the gendisk.
    
    This assumes that the queue will always stay the same in the gendisk while
    it's visible to block_devices.  I think that's safe correct?
    
    Signed-off-by: default avatarAndi Kleen <ak@linux.intel.com>
    Acked-by: default avatarJeff Moyer <jmoyer@redhat.com>
    Cc: Jens Axboe <axboe@kernel.dk>
    Cc: Christoph Hellwig <hch@lst.de>
    Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
    Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
    87192a2a
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    block_dev.c 41.53 KiB