xfs: use xfs_inode_buftarg in xfs_file_ioctl

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index b7b5c17..3278269 100644 (file)
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -2135,10 +2135,8 @@ xfs_file_ioctl(
                return xfs_ioc_space(filp, cmd, &bf);
        }
        case XFS_IOC_DIOINFO: {
-               struct dioattr  da;
-               xfs_buftarg_t   *target =
-                       XFS_IS_REALTIME_INODE(ip) ?
-                       mp->m_rtdev_targp : mp->m_ddev_targp;
+               struct xfs_buftarg      *target = xfs_inode_buftarg(ip);
+               struct dioattr          da;
 
                da.d_mem =  da.d_miniosz = target->bt_logical_sectorsize;
                da.d_maxiosz = INT_MAX & ~(da.d_miniosz - 1);