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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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5
fs/affs/file.c
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@@ -389,12 +389,13 @@ static void affs_write_failed(struct address_space *mapping, loff_t to)
}
static ssize_t
affs_direct_IO(struct kiocb *iocb, struct iov_iter *iter, loff_t offset)
affs_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
{
struct file *file = iocb->ki_filp;
struct address_space *mapping = file->f_mapping;
struct inode *inode = mapping->host;
size_t count = iov_iter_count(iter);
loff_t offset = iocb->ki_pos;
ssize_t ret;
if (iov_iter_rw(iter) == WRITE) {
@@ -404,7 +405,7 @@ affs_direct_IO(struct kiocb *iocb, struct iov_iter *iter, loff_t offset)
return 0;
}
ret = blockdev_direct_IO(iocb, inode, iter, offset, affs_get_block);
ret = blockdev_direct_IO(iocb, inode, iter, affs_get_block);
if (ret < 0 && iov_iter_rw(iter) == WRITE)
affs_write_failed(mapping, offset + count);
return ret;