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When upgrading a pool which contain root file system, give user a hint that

he should update boot code.

MFC after:	2 weeks
This commit is contained in:
Pawel Jakub Dawidek 2010-08-31 10:41:53 +00:00
parent 71c895eb1f
commit 0b88730662
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=212050

View File

@ -3333,11 +3333,38 @@ typedef struct upgrade_cbdata {
int cb_all;
int cb_first;
int cb_newer;
char cb_poolname[ZPOOL_MAXNAMELEN];
int cb_argc;
uint64_t cb_version;
char **cb_argv;
} upgrade_cbdata_t;
static int
is_root_pool(zpool_handle_t *zhp)
{
static struct statfs sfs;
static char *poolname = NULL;
static boolean_t stated = B_FALSE;
char *slash;
while (!stated) {
stated = B_TRUE;
if (statfs("/", &sfs) == -1) {
(void) fprintf(stderr,
"Unable to stat root file system: %s.\n",
strerror(errno));
break;
}
if (strcmp(sfs.f_fstypename, "zfs") != 0)
break;
poolname = sfs.f_mntfromname;
if ((slash = strchr(poolname, '/')) != NULL)
*slash = '\0';
break;
}
return (poolname != NULL && strcmp(poolname, zpool_get_name(zhp)) == 0);
}
static int
upgrade_cb(zpool_handle_t *zhp, void *arg)
{
@ -3371,6 +3398,12 @@ upgrade_cb(zpool_handle_t *zhp, void *arg)
if (!ret) {
(void) printf(gettext("Successfully upgraded "
"'%s'\n\n"), zpool_get_name(zhp));
if (cbp->cb_poolname[0] == '\0' &&
is_root_pool(zhp)) {
(void) strlcpy(cbp->cb_poolname,
zpool_get_name(zhp),
sizeof(cbp->cb_poolname));
}
}
}
} else if (cbp->cb_newer && version > SPA_VERSION) {
@ -3428,6 +3461,10 @@ upgrade_one(zpool_handle_t *zhp, void *data)
"from version %llu to version %llu\n\n"),
zpool_get_name(zhp), (u_longlong_t)cur_version,
(u_longlong_t)cbp->cb_version);
if (cbp->cb_poolname[0] == '\0' && is_root_pool(zhp)) {
(void) strlcpy(cbp->cb_poolname, zpool_get_name(zhp),
sizeof(cbp->cb_poolname));
}
}
return (ret != 0);
@ -3569,6 +3606,16 @@ zpool_do_upgrade(int argc, char **argv)
upgrade_one, &cb);
}
if (cb.cb_poolname[0] != '\0') {
(void) printf(
"If you boot from pool '%s', don't forget to update boot code.\n"
"Assuming you use GPT partitioning and da0 is your boot disk\n"
"the following command will do it:\n"
"\n"
"\tgpart bootcode -b /boot/pmbr -p /boot/gptzfsboot -i 1 da0\n\n",
cb.cb_poolname);
}
return (ret);
}