From: Joan Lledó <jlle...@member.fsf.org>
Provide the user with a new callback so they can implement file
mapping over file system nodes.
* libnetfs/netfs.h: Add prototype for netfs_get_filemap
---
libnetfs/netfs.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/libnetfs/netfs.h b/libnetfs/netfs.h
index 38182ab7..96d1eea8 100644
--- a/libnetfs/netfs.h
+++ b/libnetfs/netfs.h
@@ -303,6 +303,12 @@ error_t netfs_get_dirents (struct iouser *cred, struct
node *dir,
mach_msg_type_number_t *datacnt,
vm_size_t bufsize, int *amt);
+/* The user may define this function. Return a memory object proxy port (send
+ right) for the file contents of NP. PROT is the maximum allowable
+ access. On errors, return MACH_PORT_NULL and set errno. */
+mach_port_t __attribute__ ((weak))
+netfs_get_filemap (struct node *np, vm_prot_t prot);
+
/* The user may define this function. For a full description,
see hurd/hurd_types.h. The default response indicates a network
store. If the supplied buffers are not large enough, they should
--
2.31.1
