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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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8
fs/ext2/inode.c
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@ -854,20 +854,20 @@ static sector_t ext2_bmap(struct address_space *mapping, sector_t block)
}
static ssize_t
ext2_direct_IO(struct kiocb *iocb, struct iov_iter *iter, loff_t offset)
ext2_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 (IS_DAX(inode))
ret = dax_do_io(iocb, inode, iter, offset, ext2_get_block, NULL,
ret = dax_do_io(iocb, inode, iter, ext2_get_block, NULL,
DIO_LOCKING);
else
ret = blockdev_direct_IO(iocb, inode, iter, offset,
ext2_get_block);
ret = blockdev_direct_IO(iocb, inode, iter, ext2_get_block);
if (ret < 0 && iov_iter_rw(iter) == WRITE)
ext2_write_failed(mapping, offset + count);
return ret;