/*===========================================================================*
* sef_cb_init_fresh *
*===========================================================================*/
PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
{
/* Initialize the Minix file server. */
int i;
/* Defaults */
opt.use_orlov = TRUE;
opt.mfsalloc = FALSE;
opt.use_reserved_blocks = FALSE;
opt.block_with_super = 0;
opt.use_prealloc = FALSE;
/* If we have been given an options string, parse options from there. */
for (i = 1; i < env_argc - 1; i++)
if (!strcmp(env_argv[i], "-o"))
optset_parse(optset_table, env_argv[++i]);
may_use_vmcache = 1;
/* Init inode table */
for (i = 0; i < NR_INODES; ++i) {
inode[i].i_count = 0;
cch[i] = 0;
}
init_inode_cache();
SELF_E = getprocnr();
/* just a small number before we find out the block size at mount time */
buf_pool(10);
fs_block_size = _MIN_BLOCK_SIZE;
return(OK);
}
/*===========================================================================*
* sef_cb_init_fresh *
*===========================================================================*/
static int sef_cb_init_fresh(int type, sef_init_info_t *info)
{
/* Initialize the pipe file server. */
int i;
struct passwd *pw;
/* Initialize main loop parameters. */
exitsignaled = 0; /* No exit request seen yet. */
busy = 0; /* Server is not 'busy' (i.e., inodes in use). */
/* Init inode table */
for (i = 0; i < PFS_NR_INODES; ++i) {
inode[i].i_count = 0;
}
init_inode_cache();
uds_init();
buf_pool();
/* Drop root privileges */
if ((pw = getpwnam(SERVICE_LOGIN)) == NULL) {
printf("PFS: unable to retrieve uid of SERVICE_LOGIN, "
"still running as root");
} else if (setuid(pw->pw_uid) != 0) {
panic("unable to drop privileges");
}
SELF_E = getprocnr();
return(OK);
}
/*===========================================================================*
* set_blocksize *
*===========================================================================*/
PUBLIC void set_blocksize(unsigned int blocksize)
{
struct buf *bp;
struct inode *rip;
ASSERT(blocksize > 0);
for (bp = &buf[0]; bp < &buf[nr_bufs]; bp++)
if(bp->b_count != 0) panic("change blocksize with buffer in use");
for (rip = &inode[0]; rip < &inode[NR_INODES]; rip++)
if (rip->i_count > 0) panic("change blocksize with inode in use");
buf_pool(nr_bufs);
fs_block_size = blocksize;
}
/*===========================================================================*
* sef_cb_init_fresh *
*===========================================================================*/
PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
{
/* Initialize the Minix file server. */
int i, r;
/* Defaults */
opt.use_orlov = TRUE;
opt.mfsalloc = FALSE;
opt.use_reserved_blocks = FALSE;
opt.block_with_super = 0;
opt.use_prealloc = FALSE;
/* If we have been given an options string, parse options from there. */
for (i = 1; i < env_argc - 1; i++)
if (!strcmp(env_argv[i], "-o"))
optset_parse(optset_table, env_argv[++i]);
may_use_vmcache = 1;
/* Init inode table */
for (i = 0; i < NR_INODES; ++i) {
inode[i].i_count = 0;
cch[i] = 0;
}
init_inode_cache();
/* Init driver mapping */
for (i = 0; i < NR_DEVICES; ++i)
driver_endpoints[i].driver_e = NONE;
SELF_E = getprocnr();
buf_pool(DEFAULT_NR_BUFS);
fs_block_size = _MIN_BLOCK_SIZE;
fs_m_in.m_type = FS_READY;
if ((r = send(VFS_PROC_NR, &fs_m_in)) != OK) {
panic("Error sending login to VFS: %d", r);
}
return(OK);
}
/*===========================================================================*
* init_server *
*===========================================================================*/
PRIVATE void init_server(void)
{
int i;
/* Init inode table */
for (i = 0; i < NR_INODES; ++i) {
inode[i].i_count = 0;
cch[i] = 0;
}
init_inode_cache();
/* Init driver mapping */
for (i = 0; i < NR_DEVICES; ++i)
driver_endpoints[i].driver_e = NONE;
SELF_E = getprocnr();
buf_pool();
fs_block_size = _MIN_BLOCK_SIZE;
}
/*===========================================================================*
* cache_resize *
*===========================================================================*/
static void cache_resize(unsigned int blocksize, unsigned int bufs)
{
struct buf *bp;
struct inode *rip;
#define MINBUFS 10
assert(blocksize > 0);
assert(bufs >= MINBUFS);
for (bp = &buf[0]; bp < &buf[nr_bufs]; bp++)
if(bp->b_count != 0) panic("change blocksize with buffer in use");
for (rip = &inode[0]; rip < &inode[NR_INODES]; rip++)
if (rip->i_count > 0) panic("change blocksize with inode in use");
buf_pool(bufs);
fs_block_size = blocksize;
super_start = SUPER_BLOCK_BYTES / fs_block_size;
super_end = (SUPER_BLOCK_BYTES + _MIN_BLOCK_SIZE - 1) / fs_block_size;
}
/*===========================================================================*
* sef_cb_init_fresh *
*===========================================================================*/
PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
{
/* Initialize the pipe file server. */
int i;
/* Initialize main loop parameters. */
exitsignaled = 0; /* No exit request seen yet. */
busy = 0; /* Server is not 'busy' (i.e., inodes in use). */
/* Init inode table */
for (i = 0; i < NR_INODES; ++i) {
inode[i].i_count = 0;
}
init_inode_cache();
uds_init();
SELF_E = getprocnr();
buf_pool();
driver_announce();
return(OK);
}
