diff options
| author | Christoph Hellwig <hch@lst.de> | 2016-07-20 01:38:01 (GMT) |
|---|---|---|
| committer | Dave Chinner <david@fromorbit.com> | 2016-07-20 01:38:01 (GMT) |
| commit | fa8d972d055c723cc427e14d4d7919640f418730 (patch) | |
| tree | bc369f3712fa66d86563a42344282d2ce9aa08a9 /fs/xfs/xfs_file.c | |
| parent | f1285ff0acf9040a39921355d07bd83a3308c402 (diff) | |
| download | linux-fa8d972d055c723cc427e14d4d7919640f418730.tar.xz | |
xfs: direct calls in the direct I/O path
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>
Diffstat (limited to 'fs/xfs/xfs_file.c')
| -rw-r--r-- | fs/xfs/xfs_file.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index 440bb8b..dd5185d 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -360,7 +360,13 @@ xfs_file_dio_aio_read( } data = *to; - ret = mapping->a_ops->direct_IO(iocb, &data); + if (IS_DAX(inode)) { + ret = dax_do_io(iocb, inode, &data, xfs_get_blocks_direct, + NULL, 0); + } else { + ret = __blockdev_direct_IO(iocb, inode, target->bt_bdev, &data, + xfs_get_blocks_direct, NULL, NULL, 0); + } if (ret > 0) { iocb->ki_pos += ret; iov_iter_advance(to, ret); @@ -819,7 +825,14 @@ xfs_file_dio_aio_write( trace_xfs_file_direct_write(ip, count, iocb->ki_pos); data = *from; - ret = mapping->a_ops->direct_IO(iocb, &data); + if (IS_DAX(inode)) { + ret = dax_do_io(iocb, inode, &data, xfs_get_blocks_direct, + xfs_end_io_direct_write, 0); + } else { + ret = __blockdev_direct_IO(iocb, inode, target->bt_bdev, &data, + xfs_get_blocks_direct, xfs_end_io_direct_write, + NULL, DIO_ASYNC_EXTEND); + } /* see generic_file_direct_write() for why this is necessary */ if (mapping->nrpages) { |