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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 <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Christoph Hellwig
2016-04-07 08:51:58 -07:00
committed by Al Viro
parent 13712713ca
commit c8b8e32d70
37 changed files with 99 additions and 112 deletions
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7
fs/hfs/inode.c
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@@ -124,8 +124,7 @@ static int hfs_releasepage(struct page *page, gfp_t mask)
return res ? try_to_free_buffers(page) : 0;
}
static ssize_t hfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
loff_t offset)
static ssize_t hfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
{
struct file *file = iocb->ki_filp;
struct address_space *mapping = file->f_mapping;
@@ -133,7 +132,7 @@ static ssize_t hfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
size_t count = iov_iter_count(iter);
ssize_t ret;
ret = blockdev_direct_IO(iocb, inode, iter, offset, hfs_get_block);
ret = blockdev_direct_IO(iocb, inode, iter, hfs_get_block);
/*
* In case of error extending write may have instantiated a few
@@ -141,7 +140,7 @@ static ssize_t hfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
*/
if (unlikely(iov_iter_rw(iter) == WRITE && ret < 0)) {
loff_t isize = i_size_read(inode);
loff_t end = offset + count;
loff_t end = iocb->ki_pos + count;
if (end > isize)
hfs_write_failed(mapping, end);