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Move the mount of the root filesystem to happen in the init process before

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the exec if /sbin/init.

This allows the scheduler to get started and kthreads a chance to run
before we start filesystem operations.
This commit is contained in:
Poul-Henning Kamp 2002-03-08 10:33:11 +00:00
parent 107a6eaf0a
commit fb92273bdc
4 changed files with 7 additions and 10 deletions
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2
sys/kern/init_main.c
View File

@ -487,6 +487,8 @@ start_init(void *dummy)
td = curthread;
p = td->td_proc;
vfs_mountroot(NULL);
/* Get the vnode for '/'. Set p->p_fd->fd_cdir to reference it. */
if (VFS_ROOT(TAILQ_FIRST(&mountlist), &rootvnode))
panic("cannot find root vnode");

7
sys/kern/vfs_conf.c
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@ -87,7 +87,6 @@ static char *cdrom_rootdevnames[] = {
NULL
};
static void vfs_mountroot(void *junk);
static int vfs_mountroot_try(char *mountfrom);
static int vfs_mountroot_ask(void);
static void gets(char *cp);
@ -96,13 +95,11 @@ static void gets(char *cp);
char *rootdevnames[2] = {NULL, NULL};
static int setrootbyname(char *name);
SYSINIT(mountroot, SI_SUB_MOUNT_ROOT, SI_ORDER_SECOND, vfs_mountroot, NULL);
/*
* Find and mount the root filesystem
*/
static void
vfs_mountroot(void *junk)
void
vfs_mountroot(void *foo __unused)
{
int i;

7
sys/kern/vfs_mount.c
View File

@ -87,7 +87,6 @@ static char *cdrom_rootdevnames[] = {
NULL
};
static void vfs_mountroot(void *junk);
static int vfs_mountroot_try(char *mountfrom);
static int vfs_mountroot_ask(void);
static void gets(char *cp);
@ -96,13 +95,11 @@ static void gets(char *cp);
char *rootdevnames[2] = {NULL, NULL};
static int setrootbyname(char *name);
SYSINIT(mountroot, SI_SUB_MOUNT_ROOT, SI_ORDER_SECOND, vfs_mountroot, NULL);
/*
* Find and mount the root filesystem
*/
static void
vfs_mountroot(void *junk)
void
vfs_mountroot(void *foo __unused)
{
int i;

1
sys/sys/mount.h
View File

@ -431,6 +431,7 @@ dev_t vfs_getrootfsid __P((struct mount *));
struct mount *vfs_getvfs __P((fsid_t *)); /* return vfs given fsid */
int vfs_modevent __P((module_t, int, void *));
int vfs_mountedon __P((struct vnode *)); /* is a vfs mounted on vp */
void vfs_mountroot __P((void *)); /* mount our root filesystem */
int vfs_rootmountalloc __P((char *, char *, struct mount **));
void vfs_unbusy __P((struct mount *, struct thread *td));
void vfs_unmountall __P((void));