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fs: decouple READ and WRITE from the block layer ops

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Move READ and WRITE to kernel.h and don't define them in terms of block
layer ops; they are our generic data direction indicators these days
and have no more resemblance with the block layer ops.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Christoph Hellwig
2016-11-01 07:40:11 -06:00
committed by Jens Axboe
parent 70fd76140a
commit d38499530e
4 changed files with 11 additions and 14 deletions
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2
include/linux/uio.h
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@@ -125,7 +125,7 @@ static inline bool iter_is_iovec(const struct iov_iter *i)
*
* The ?: is just for type safety.
*/
#define iov_iter_rw(i) ((0 ? (struct iov_iter *)0 : (i))->type & RW_MASK)
#define iov_iter_rw(i) ((0 ? (struct iov_iter *)0 : (i))->type & (READ | WRITE))
/*
* Cap the iov_iter by given limit; note that the second argument is