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direct-io: eliminate the offset argument to ->direct_IO

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Including blkdev_direct_IO and dax_do_io.  It has to be ki_pos to actually
work, so eliminate the superflous argument.

Signed-off-by: Christoph Hellwig <[email protected]>
Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Christoph Hellwig 2016-04-07 08:51:58 -07:00 • committed by Al Viro
commit c8b8e32d70
37 changed files with 99 additions and 112 deletions
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4
fs/dax.c
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@ -244,7 +244,6 @@ static ssize_t dax_io(struct inode *inode, struct iov_iter *iter,
* @iocb: The control block for this I/O
* @inode: The file which the I/O is directed at
* @iter: The addresses to do I/O from or to
* @pos: The file offset where the I/O starts
* @get_block: The filesystem method used to translate file offsets to blocks
* @end_io: A filesystem callback for I/O completion
* @flags: See below
@ -257,11 +256,12 @@ static ssize_t dax_io(struct inode *inode, struct iov_iter *iter,
* is in progress.
*/
ssize_t dax_do_io(struct kiocb *iocb, struct inode *inode,
struct iov_iter *iter, loff_t pos, get_block_t get_block,
struct iov_iter *iter, get_block_t get_block,
dio_iodone_t end_io, int flags)
{
struct buffer_head bh;
ssize_t retval = -EINVAL;
loff_t pos = iocb->ki_pos;
loff_t end = pos + iov_iter_count(iter);
memset(&bh, 0, sizeof(bh));