static char *arg_root_fstype = NULL;
static char *arg_root_options = NULL;
static int arg_root_rw = -1;
-
+static char *arg_usr_what = NULL;
+static char *arg_usr_fstype = NULL;
+static char *arg_usr_options = NULL;
static int mount_find_pri(struct mntent *me, int *ret) {
char *end, *opt;
return 0;
opt += strlen("pri");
-
if (*opt != '=')
return -EINVAL;
return 1;
}
-static int mount_find_discard(struct mntent *me, char **ret) {
- char *opt, *ans;
- size_t len;
-
- assert(me);
- assert(ret);
-
- opt = hasmntopt(me, "discard");
- if (!opt)
- return 0;
-
- opt += strlen("discard");
-
- if (*opt == ',' || *opt == '\0')
- ans = strdup("all");
- else {
- if (*opt != '=')
- return -EINVAL;
-
- len = strcspn(opt + 1, ",");
- if (len == 0)
- return -EINVAL;
-
- ans = strndup(opt + 1, len);
- }
-
- if (!ans)
- return -ENOMEM;
-
- *ret = ans;
- return 1;
-}
-
static int add_swap(const char *what, struct mntent *me) {
_cleanup_free_ char *name = NULL, *unit = NULL, *lnk = NULL;
_cleanup_fclose_ FILE *f = NULL;
- _cleanup_free_ char *discard = NULL;
bool noauto;
int r, pri = -1;
return r;
}
- r = mount_find_discard(me, &discard);
- if (r < 0) {
- log_error("Failed to parse discard");
- return r;
- }
-
noauto = !!hasmntopt(me, "noauto");
name = unit_name_from_path(what, ".swap");
"What=%s\n",
what);
+ /* Note that we currently pass the priority field twice, once
+ * in Priority=, and once in Options= */
if (pri >= 0)
fprintf(f, "Priority=%i\n", pri);
- if (discard)
- fprintf(f, "Discard=%s\n", discard);
+ if (!isempty(me->mnt_opts) && !streq(me->mnt_opts, "defaults"))
+ fprintf(f, "Options=%s\n", me->mnt_opts);
- fflush(f);
- if (ferror(f)) {
- log_error("Failed to write unit file %s: %m", unit);
- return -errno;
+ r = fflush_and_check(f);
+ if (r < 0) {
+ log_error("Failed to write unit file %s: %s", unit, strerror(-r));
+ return r;
}
/* use what as where, to have a nicer error message */
"/proc/cmdline");
}
+static int add_usr_mount(void) {
+ _cleanup_free_ char *what = NULL;
+ const char *opts;
+
+ if (!arg_usr_what && !arg_usr_fstype && !arg_usr_options)
+ return 0;
+
+ if (arg_root_what && !arg_usr_what) {
+ arg_usr_what = strdup(arg_root_what);
+
+ if (!arg_usr_what)
+ return log_oom();
+ }
+
+ if (arg_root_fstype && !arg_usr_fstype) {
+ arg_usr_fstype = strdup(arg_root_fstype);
+
+ if (!arg_usr_fstype)
+ return log_oom();
+ }
+
+ if (arg_root_options && !arg_usr_options) {
+ arg_usr_options = strdup(arg_root_options);
+
+ if (!arg_usr_options)
+ return log_oom();
+ }
+
+ if (!arg_usr_what || !arg_usr_options)
+ return 0;
+
+ what = fstab_node_to_udev_node(arg_usr_what);
+ if (!path_is_absolute(what)) {
+ log_debug("Skipping entry what=%s where=/sysroot/usr type=%s", what, strna(arg_usr_fstype));
+ return -1;
+ }
+
+ opts = arg_usr_options;
+
+ log_debug("Found entry what=%s where=/sysroot/usr type=%s", what, strna(arg_usr_fstype));
+ return add_mount(what,
+ "/sysroot/usr",
+ arg_usr_fstype,
+ opts,
+ 1,
+ false,
+ false,
+ false,
+ SPECIAL_INITRD_ROOT_FS_TARGET,
+ "/proc/cmdline");
+}
+
static int parse_proc_cmdline_item(const char *key, const char *value) {
int r;
- /* root= and roofstype= may occur more than once, the last
- * instance should take precedence. In the case of multiple
- * rootflags= the arguments should be concatenated */
+ /* root=, usr=, usrfstype= and roofstype= may occur more than once, the last
+ * instance should take precedence. In the case of multiple rootflags=
+ * or usrflags= the arguments should be concatenated */
if (STR_IN_SET(key, "fstab", "rd.fstab") && value) {
} else if (streq(key, "root") && value) {
- free(arg_root_what);
- arg_root_what = strdup(value);
- if (!arg_root_what)
+ if (free_and_strdup(&arg_root_what, value) < 0)
return log_oom();
} else if (streq(key, "rootfstype") && value) {
- free(arg_root_fstype);
- arg_root_fstype = strdup(value);
- if (!arg_root_fstype)
+ if (free_and_strdup(&arg_root_fstype, value) < 0)
return log_oom();
} else if (streq(key, "rootflags") && value) {
free(arg_root_options);
arg_root_options = o;
+ } else if (streq(key, "mount.usr") && value) {
+
+ if (free_and_strdup(&arg_usr_what, value) < 0)
+ return log_oom();
+
+ } else if (streq(key, "mount.usrfstype") && value) {
+
+ if (free_and_strdup(&arg_usr_fstype, value) < 0)
+ return log_oom();
+
+ } else if (streq(key, "mount.usrflags") && value) {
+ char *o;
+
+ o = arg_usr_options ?
+ strjoin(arg_usr_options, ",", value, NULL) :
+ strdup(value);
+ if (!o)
+ return log_oom();
+
+ free(arg_usr_options);
+ arg_usr_options = o;
+
} else if (streq(key, "rw") && !value)
arg_root_rw = true;
else if (streq(key, "ro") && !value)
if (parse_proc_cmdline(parse_proc_cmdline_item) < 0)
return EXIT_FAILURE;
- /* Always honour root= in the kernel command line if we are in an initrd */
- if (in_initrd())
+ /* Always honour root= and usr= in the kernel command line if we are in an initrd */
+ if (in_initrd()) {
r = add_root_mount();
+ if (r == 0)
+ r = add_usr_mount();
+ }
/* Honour /etc/fstab only when that's enabled */
if (arg_fstab_enabled) {