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Rewrite of startup code:

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vinumattach: Move the startup code to vinum_scandisk.
This commit is contained in:
Greg Lehey 2003-05-04 05:13:45 +00:00
parent 888c270436
commit 60500a5ca2
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=114636
1 changed files with 8 additions and 49 deletions
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57
sys/dev/vinum/vinum.c
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@ -85,9 +85,7 @@ static eventhandler_tag dev_clone_tag;
void
vinumattach(void *dummy)
{
int i, rv;
char *cp, *cp1, *cp2, **drives, *drivep;
size_t alloclen;
char *envp;
/* modload should prevent multiple loads, so this is worth a panic */
if ((vinum_conf.flags & VF_LOADED) != 0)
panic("vinum: already loaded");
@ -150,52 +148,13 @@ vinumattach(void *dummy)
* See if the loader has passed us any of the autostart
* options.
*/
cp = drivep = NULL;
#ifndef VINUM_AUTOSTART
if ((cp = getenv("vinum.autostart")) != NULL) {
freeenv(cp);
cp = NULL;
#endif
rv = kernel_sysctlbyname(&thread0, "kern.disks", NULL,
NULL, NULL, 0, &alloclen);
if (rv)
log(LOG_NOTICE,
"sysctlbyname (\"kern.disks\") failed, rv = %d\n",
rv);
else {
drivep = malloc(alloclen, M_TEMP, M_WAITOK);
kernel_sysctlbyname(&thread0, "kern.disks", drivep,
&alloclen, NULL, 0, NULL);
goto start;
}
#ifndef VINUM_AUTOSTART
} else
#endif
if ((cp = getenv("vinum.drives")) != NULL) {
start:
for (cp1 = cp ? cp : drivep, i = 0, drives = 0;
*cp1 != '\0';
i++) {
cp2 = cp1;
while (*cp1 != '\0' && *cp1 != ',' && *cp1 != ' ')
cp1++;
if (*cp1 != '\0')
*cp1++ = '\0';
drives = realloc(drives,
(unsigned long) ((i + 1) * sizeof(char *)),
M_TEMP, M_WAITOK);
drives[i] = cp2;
}
if (i != 0) {
rv = vinum_scandisk(drives, i);
if (rv)
log(LOG_NOTICE, "vinum_scandisk() returned %d\n", rv);
}
freeenv(cp);
free(drives, M_TEMP);
free(drivep, M_TEMP);
envp = NULL;
if ((envp = getenv("vinum.autostart")) != NULL) { /* start all drives now */
vinum_scandisk(NULL);
freeenv(envp);
} else if ((envp = getenv("vinum.drives")) != NULL) {
vinum_scandisk(envp);
freeenv(envp);
}
}