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[PATCH 1/2] libdiskfs: Refactor fsys_startup invokation for bootstrappin
From: |
Damien Zammit |
Subject: |
[PATCH 1/2] libdiskfs: Refactor fsys_startup invokation for bootstrapping |
Date: |
Sun, 26 Jul 2020 17:37:20 +1000 |
---
libdiskfs/boot-start.c | 11 +++++++
libdiskfs/init-startup.c | 64 +++++++++++++++++++++++++---------------
2 files changed, 52 insertions(+), 23 deletions(-)
diff --git a/libdiskfs/boot-start.c b/libdiskfs/boot-start.c
index 29b8acc6..4fbd62c5 100644
--- a/libdiskfs/boot-start.c
+++ b/libdiskfs/boot-start.c
@@ -518,7 +518,9 @@ diskfs_S_fsys_init (struct diskfs_control *pt,
if (diskfs_exec_server_task != MACH_PORT_NULL)
{
+ mach_port_t bootstrap;
process_t execprocess;
+
err = proc_task2proc (procserver, diskfs_exec_server_task, &execprocess);
assert_perror_backtrace (err);
@@ -531,7 +533,16 @@ diskfs_S_fsys_init (struct diskfs_control *pt,
HURD_PORT_USE (&_diskfs_exec_portcell,
exec_init (port, authhandle,
execprocess, MACH_MSG_TYPE_COPY_SEND));
+
+ /* Give the real bootstrap filesystem an fsys_init
+ RPC of its own, as init would have sent it. */
+ err = task_get_bootstrap_port (mach_task_self (), &bootstrap);
+ assert_perror_backtrace (err);
+ err = fsys_init (bootstrap, execprocess, MACH_MSG_TYPE_COPY_SEND,
+ authhandle);
mach_port_deallocate (mach_task_self (), execprocess);
+ mach_port_deallocate (mach_task_self (), bootstrap);
+ assert_perror_backtrace (err);
/* We don't need this anymore. */
mach_port_deallocate (mach_task_self (), diskfs_exec_server_task);
diff --git a/libdiskfs/init-startup.c b/libdiskfs/init-startup.c
index a2e3638d..d28a49a1 100644
--- a/libdiskfs/init-startup.c
+++ b/libdiskfs/init-startup.c
@@ -32,12 +32,35 @@
char *_diskfs_chroot_directory;
-mach_port_t
-diskfs_startup_diskfs (mach_port_t bootstrap, int flags)
+static void
+diskfs_call_fsys_startup (mach_port_t bootstrap, int flags,
+ mach_port_t *realnode)
{
error_t err;
- mach_port_t realnode, right;
struct port_info *newpi;
+ mach_port_t right;
+
+ err = ports_create_port (diskfs_control_class, diskfs_port_bucket,
+ sizeof (struct port_info), &newpi);
+ if (! err)
+ {
+ right = ports_get_send_right (newpi);
+ err = fsys_startup (bootstrap, flags, right,
+ MACH_MSG_TYPE_COPY_SEND, realnode);
+ mach_port_deallocate (mach_task_self (), right);
+ ports_port_deref (newpi);
+ }
+ if (err)
+ error (1, err, "Translator startup failure: fsys_startup");
+
+ _diskfs_ncontrol_ports++;
+}
+
+mach_port_t
+diskfs_startup_diskfs (mach_port_t fs_bootstrap, int flags)
+{
+ error_t err;
+ mach_port_t realnode, bootstrap;
if (_diskfs_chroot_directory != NULL)
{
@@ -88,32 +111,27 @@ diskfs_startup_diskfs (mach_port_t bootstrap, int flags)
diskfs_nput (old);
}
- if (bootstrap != MACH_PORT_NULL)
+ if (fs_bootstrap == MACH_PORT_NULL)
{
- err = ports_create_port (diskfs_control_class, diskfs_port_bucket,
- sizeof (struct port_info), &newpi);
- if (! err)
- {
- right = ports_get_send_right (newpi);
- err = fsys_startup (bootstrap, flags, right,
- MACH_MSG_TYPE_COPY_SEND, &realnode);
- mach_port_deallocate (mach_task_self (), right);
- ports_port_deref (newpi);
- }
- if (err)
- error (1, err, "Translator startup failure: fsys_startup");
+ realnode = MACH_PORT_NULL;
- mach_port_deallocate (mach_task_self (), bootstrap);
- _diskfs_ncontrol_ports++;
+ /* We are the bootstrap filesystem; do special boot-time setup. */
+ diskfs_start_bootstrap ();
- _diskfs_init_completed ();
+ /* If we have a bootstrap port we must call fsys_startup */
+ task_get_bootstrap_port (mach_task_self (), &bootstrap);
+ if (bootstrap != MACH_PORT_NULL)
+ {
+ diskfs_call_fsys_startup (bootstrap, flags, &realnode);
+ mach_port_deallocate (mach_task_self (), bootstrap);
+ }
}
else
{
- realnode = MACH_PORT_NULL;
-
- /* We are the bootstrap filesystem; do special boot-time setup. */
- diskfs_start_bootstrap ();
+ /* We do the startup from filesystem's bootstrap */
+ diskfs_call_fsys_startup (fs_bootstrap, flags, &realnode);
+ mach_port_deallocate (mach_task_self (), fs_bootstrap);
+ _diskfs_init_completed ();
}
if (diskfs_default_sync_interval)
--
2.25.1
- [PATCH 1/2] libdiskfs: Refactor fsys_startup invokation for bootstrapping,
Damien Zammit <=