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xfs: direct calls in the direct I/O path

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We control both the callers and callees of ->direct_IO, so remove the
indirect calls.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Christoph Hellwig
2016-07-20 11:38:01 +10:00
committed by Dave Chinner
parent f1285ff0ac
commit fa8d972d05
3 changed files with 23 additions and 21 deletions
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24
fs/xfs/xfs_aops.c
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@@ -1336,7 +1336,7 @@ xfs_get_blocks_dax_fault(
* whereas if we have flags set we will always be called in task context
* (i.e. from a workqueue).
*/
STATIC int
int
xfs_end_io_direct_write(
struct kiocb *iocb,
loff_t offset,
@@ -1407,24 +1407,10 @@ xfs_vm_direct_IO(
struct kiocb *iocb,
struct iov_iter *iter)
{
struct inode *inode = iocb->ki_filp->f_mapping->host;
dio_iodone_t *endio = NULL;
int flags = 0;
struct block_device *bdev;
if (iov_iter_rw(iter) == WRITE) {
endio = xfs_end_io_direct_write;
flags = DIO_ASYNC_EXTEND;
}
if (IS_DAX(inode)) {
return dax_do_io(iocb, inode, iter,
xfs_get_blocks_direct, endio, 0);
}
bdev = xfs_find_bdev_for_inode(inode);
return __blockdev_direct_IO(iocb, inode, bdev, iter,
xfs_get_blocks_direct, endio, NULL, flags);
/*
* We just need the method present so that open/fcntl allow direct I/O.
*/
return -EINVAL;
}
/*