xfs: use shmem_kernel_file_setup in xfile_create

shmem_kernel_file_setup is equivalent to shmem_file_setup except that it
already sets the S_PRIVATE flag.  Use it instead of open coding the
logic.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>

fs/xfs/scrub/xfile.c

@@ -68,7 +68,7 @@ xfile_create(
 	if (!xf)
 		return -ENOMEM;
 
-	xf->file = shmem_file_setup(description, isize, VM_NORESERVE);
+	xf->file = shmem_kernel_file_setup(description, isize, VM_NORESERVE);
 	if (IS_ERR(xf->file)) {
 		error = PTR_ERR(xf->file);
 		goto out_xfile;
@@ -85,7 +85,7 @@ xfile_create(
 			    FMODE_LSEEK;
 	xf->file->f_flags |= O_RDWR | O_LARGEFILE | O_NOATIME;
 	inode = file_inode(xf->file);
-	inode->i_flags |= S_PRIVATE | S_NOCMTIME | S_NOATIME;
+	inode->i_flags |= S_NOCMTIME | S_NOATIME;
 	inode->i_mode &= ~0177;
 	inode->i_uid = GLOBAL_ROOT_UID;
 	inode->i_gid = GLOBAL_ROOT_GID;