180 	int			host_err;  in nfsd_lookup_dentry()  local
197 			host_err = nfsd_lookup_parent(rqstp, dparent, &exp, &dentry);  in nfsd_lookup_dentry()
198 			if (host_err)  in nfsd_lookup_dentry()
203 		host_err = PTR_ERR(dentry);  in nfsd_lookup_dentry()
207 			host_err = nfsd_cross_mnt(rqstp, &dentry, &exp);  in nfsd_lookup_dentry()
208 			if (host_err) {  in nfsd_lookup_dentry()
220 	return nfserrno(host_err);  in nfsd_lookup_dentry()
348 	int host_err;  in __nfsd_setattr()  local
366 		host_err = notify_change(&init_user_ns, dentry, &size_attr, NULL);  in __nfsd_setattr()
367 		if (host_err)  in __nfsd_setattr()
368 			return host_err;  in __nfsd_setattr()
413 	int		host_err;  in nfsd_setattr()  local
444 		host_err = fh_want_write(fhp);  in nfsd_setattr()
445 		if (host_err)  in nfsd_setattr()
472 		host_err = __nfsd_setattr(dentry, iap);  in nfsd_setattr()
473 		if (host_err != -EAGAIN || !retries--)  in nfsd_setattr()
494 	if (!host_err)  in nfsd_setattr()
495 		host_err = commit_metadata(fhp);  in nfsd_setattr()
496 	return nfserrno(host_err);  in nfsd_setattr()
758 	int		host_err = 0;  in __nfsd_open()  local
771 	host_err = nfsd_open_break_lease(inode, may_flags);  in __nfsd_open()
772 	if (host_err) /* NOMEM or WOULDBLOCK */  in __nfsd_open()
784 		host_err = PTR_ERR(file);  in __nfsd_open()
788 	host_err = ima_file_check(file, may_flags);  in __nfsd_open()
789 	if (host_err) {  in __nfsd_open()
801 	err = nfserrno(host_err);  in __nfsd_open()
903 			       unsigned long *count, u32 *eof, ssize_t host_err)  in nfsd_finish_read()  argument
905 	if (host_err >= 0) {  in nfsd_finish_read()
906 		nfsd_stats_io_read_add(fhp->fh_export, host_err);  in nfsd_finish_read()
907 		*eof = nfsd_eof_on_read(file, offset, host_err, *count);  in nfsd_finish_read()
908 		*count = host_err;  in nfsd_finish_read()
913 		trace_nfsd_read_err(rqstp, fhp, offset, host_err);  in nfsd_finish_read()
914 		return nfserrno(host_err);  in nfsd_finish_read()
928 	ssize_t host_err;  in nfsd_splice_read()  local
932 	host_err = splice_direct_to_actor(file, &sd, nfsd_direct_splice_actor);  in nfsd_splice_read()
933 	return nfsd_finish_read(rqstp, fhp, file, offset, count, eof, host_err);  in nfsd_splice_read()
943 	ssize_t host_err;  in nfsd_readv()  local
947 	host_err = vfs_iter_read(file, &iter, &ppos, 0);  in nfsd_readv()
948 	return nfsd_finish_read(rqstp, fhp, file, offset, count, eof, host_err);  in nfsd_readv()
1001 	int			host_err;  in nfsd_vfs_write()  local
1040 	host_err = vfs_iter_write(file, &iter, &pos, flags);  in nfsd_vfs_write()
1041 	if (host_err < 0) {  in nfsd_vfs_write()
1043 		trace_nfsd_writeverf_reset(nn, rqstp, host_err);  in nfsd_vfs_write()
1046 	*cnt = host_err;  in nfsd_vfs_write()
1049 	host_err = filemap_check_wb_err(file->f_mapping, since);  in nfsd_vfs_write()
1050 	if (host_err < 0)  in nfsd_vfs_write()
1054 		host_err = wait_for_concurrent_writes(file);  in nfsd_vfs_write()
1055 		if (host_err < 0) {  in nfsd_vfs_write()
1057 			trace_nfsd_writeverf_reset(nn, rqstp, host_err);  in nfsd_vfs_write()
1062 	if (host_err >= 0) {  in nfsd_vfs_write()
1066 		trace_nfsd_write_err(rqstp, fhp, offset, host_err);  in nfsd_vfs_write()
1067 		nfserr = nfserrno(host_err);  in nfsd_vfs_write()
1290 	int		host_err;  in nfsd_create_locked()  local
1308 	host_err = 0;  in nfsd_create_locked()
1311 		host_err = vfs_create(&init_user_ns, dirp, dchild, iap->ia_mode, true);  in nfsd_create_locked()
1312 		if (!host_err)  in nfsd_create_locked()
1316 		host_err = vfs_mkdir(&init_user_ns, dirp, dchild, iap->ia_mode);  in nfsd_create_locked()
1317 		if (!host_err && unlikely(d_unhashed(dchild))) {  in nfsd_create_locked()
1323 				host_err = PTR_ERR(d);  in nfsd_create_locked()
1344 		host_err = vfs_mknod(&init_user_ns, dirp, dchild,  in nfsd_create_locked()
1350 		host_err = -EINVAL;  in nfsd_create_locked()
1352 	if (host_err < 0)  in nfsd_create_locked()
1362 	err = nfserrno(host_err);  in nfsd_create_locked()
1379 	int		host_err;  in nfsd_create()  local
1390 	host_err = fh_want_write(fhp);  in nfsd_create()
1391 	if (host_err)  in nfsd_create()
1392 		return nfserrno(host_err);  in nfsd_create()
1396 	host_err = PTR_ERR(dchild);  in nfsd_create()
1398 		err = nfserrno(host_err);  in nfsd_create()
1477 	int		host_err;  in nfsd_symlink()  local
1490 	host_err = fh_want_write(fhp);  in nfsd_symlink()
1491 	if (host_err) {  in nfsd_symlink()
1492 		err = nfserrno(host_err);  in nfsd_symlink()
1505 	host_err = vfs_symlink(&init_user_ns, d_inode(dentry), dnew, path);  in nfsd_symlink()
1506 	err = nfserrno(host_err);  in nfsd_symlink()
1533 	int		host_err;  in nfsd_link()  local
1551 	host_err = fh_want_write(tfhp);  in nfsd_link()
1552 	if (host_err) {  in nfsd_link()
1553 		err = nfserrno(host_err);  in nfsd_link()
1573 	host_err = vfs_link(dold, &init_user_ns, dirp, dnew, NULL);  in nfsd_link()
1576 	if (!host_err) {  in nfsd_link()
1581 		if (host_err == -EXDEV && rqstp->rq_vers == 2)  in nfsd_link()
1584 			err = nfserrno(host_err);  in nfsd_link()
1630 	int		host_err;  in nfsd_rename()  local
1651 	host_err = fh_want_write(ffhp);  in nfsd_rename()
1652 	if (host_err) {  in nfsd_rename()
1653 		err = nfserrno(host_err);  in nfsd_rename()
1662 	host_err = PTR_ERR(odentry);  in nfsd_rename()
1666 	host_err = -ENOENT;  in nfsd_rename()
1669 	host_err = -EINVAL;  in nfsd_rename()
1674 	host_err = PTR_ERR(ndentry);  in nfsd_rename()
1677 	host_err = -ENOTEMPTY;  in nfsd_rename()
1681 	host_err = -EXDEV;  in nfsd_rename()
1703 			host_err = vfs_rename(&rd);  in nfsd_rename()
1704 			if (host_err != -EAGAIN || !retries--)  in nfsd_rename()
1709 		if (!host_err) {  in nfsd_rename()
1710 			host_err = commit_metadata(tfhp);  in nfsd_rename()
1711 			if (!host_err)  in nfsd_rename()
1712 				host_err = commit_metadata(ffhp);  in nfsd_rename()
1720 	err = nfserrno(host_err);  in nfsd_rename()
1757 	int		host_err;  in nfsd_unlink()  local
1766 	host_err = fh_want_write(fhp);  in nfsd_unlink()
1767 	if (host_err)  in nfsd_unlink()
1775 	host_err = PTR_ERR(rdentry);  in nfsd_unlink()
1781 		host_err = -ENOENT;  in nfsd_unlink()
1798 			host_err = vfs_unlink(&init_user_ns, dirp, rdentry, NULL);  in nfsd_unlink()
1799 			if (host_err != -EAGAIN || !retries--)  in nfsd_unlink()
1805 		host_err = vfs_rmdir(&init_user_ns, dirp, rdentry);  in nfsd_unlink()
1810 	if (!host_err)  in nfsd_unlink()
1811 		host_err = commit_metadata(fhp);  in nfsd_unlink()
1818 	if (host_err == -EBUSY) {  in nfsd_unlink()
1827 		err = nfserrno(host_err);  in nfsd_unlink()
1888 	int host_err;  in nfsd_buffered_readdir()  local
1908 		host_err = iterate_dir(file, &buf.ctx);  in nfsd_buffered_readdir()
1910 			host_err = 0;  in nfsd_buffered_readdir()
1912 		if (host_err < 0)  in nfsd_buffered_readdir()
1946 	if (host_err)  in nfsd_buffered_readdir()
1947 		return nfserrno(host_err);  in nfsd_buffered_readdir()