streq(me->mnt_dir, "/usr");
}
+static bool mount_is_rootfs(struct mntent *me) {
+ assert(me);
+
+ return hasmntopt(me, "x-initrd-rootfs.mount");
+}
+
static int add_mount(const char *what, const char *where, const char *type, const char *opts,
int passno, bool noauto, bool nofail, bool automount, bool isbind,
- bool remote_fs_target, bool initrd_fs_target, const char *source) {
+ const char *pre, const char *post, const char *source) {
char _cleanup_free_
*name = NULL, *unit = NULL, *lnk = NULL, *device = NULL,
*automount_name = NULL, *automount_unit = NULL;
FILE _cleanup_fclose_ *f = NULL;
int r;
- const char *post, *pre;
assert(what);
assert(where);
mount_point_ignore(where))
return 0;
- if (remote_fs_target) {
- post = SPECIAL_REMOTE_FS_TARGET;
- pre = SPECIAL_REMOTE_FS_PRE_TARGET;
- } else if (initrd_fs_target) {
- post = SPECIAL_INITRD_FS_TARGET;
- pre = SPECIAL_INITRD_FS_PRE_TARGET;
- } else {
- post = SPECIAL_LOCAL_FS_TARGET;
- pre = SPECIAL_LOCAL_FS_PRE_TARGET;
- }
-
name = unit_name_from_path(where, ".mount");
if (!name)
return log_oom();
"DefaultDependencies=no\n",
source);
- if (!path_equal(where, "/"))
+ if (!path_equal(where, "/")) {
+ if (pre)
+ fprintf(f,
+ "After=%s\n"
+ "Wants=%s\n",
+ pre,
+ pre);
fprintf(f,
- "After=%s\n"
- "Wants=%s\n"
"Conflicts=" SPECIAL_UMOUNT_TARGET "\n"
- "Before=" SPECIAL_UMOUNT_TARGET "\n",
- pre,
- pre);
-
+ "Before=" SPECIAL_UMOUNT_TARGET "\n");
+ }
- if (!noauto && !nofail && !automount)
+ if (post && !noauto && !nofail && !automount)
fprintf(f,
"Before=%s\n",
post);
}
if (!noauto) {
- lnk = strjoin(arg_dest, "/", post, nofail || automount ? ".wants/" : ".requires/", name, NULL);
- if (!lnk)
- return log_oom();
+ if (post) {
+ lnk = strjoin(arg_dest, "/", post, nofail || automount ? ".wants/" : ".requires/", name, NULL);
+ if (!lnk)
+ return log_oom();
- mkdir_parents_label(lnk, 0755);
- if (symlink(unit, lnk) < 0) {
- log_error("Failed to create symlink %s: %m", lnk);
- return -errno;
+ mkdir_parents_label(lnk, 0755);
+ if (symlink(unit, lnk) < 0) {
+ log_error("Failed to create symlink %s: %m", lnk);
+ return -errno;
+ }
}
if (!isbind &&
"SourcePath=%s\n"
"DefaultDependencies=no\n"
"Conflicts=" SPECIAL_UMOUNT_TARGET "\n"
- "Before=" SPECIAL_UMOUNT_TARGET " %s\n"
- "\n"
+ "Before=" SPECIAL_UMOUNT_TARGET "\n",
+ source);
+
+ if (post)
+ fprintf(f,
+ "Before= %s\n",
+ post);
+
+ fprintf(f,
"[Automount]\n"
"Where=%s\n",
- source,
- post,
where);
fflush(f);
continue;
what = fstab_node_to_udev_node(me->mnt_fsname);
-
where = strjoin(prefix, me->mnt_dir, NULL);
if (!what || !where) {
r = log_oom();
if (is_path(where))
path_kill_slashes(where);
- if (initrd) {
- char _cleanup_free_ *mu = NULL, *name = NULL;
- /* Skip generation, if unit already exists */
- name = unit_name_from_path(where, ".mount");
- if (!name)
- return log_oom();
- mu = strjoin(arg_dest, "/", name, NULL);
- if (!mu)
- return log_oom();
-
- k = access(mu, R_OK);
- if (k == 0)
- continue;
- }
-
log_debug("Found entry what=%s where=%s type=%s", what, where, me->mnt_type);
if (streq(me->mnt_type, "swap"))
k = add_swap(what, me);
else {
- bool noauto, nofail, automount, isbind, isnetwork;
+ bool noauto, nofail, automount, isbind;
+ const char *pre, *post;
noauto = !!hasmntopt(me, "noauto");
nofail = !!hasmntopt(me, "nofail");
hasmntopt(me, "comment=systemd.automount") ||
hasmntopt(me, "x-systemd.automount");
isbind = mount_is_bind(me);
- isnetwork = mount_is_network(me);
+
+ if (initrd) {
+ post = SPECIAL_INITRD_FS_TARGET;
+ pre = NULL;
+ } else if (mount_is_rootfs(me)) {
+ post = SPECIAL_INITRD_ROOT_FS_TARGET;
+ pre = NULL;
+ } else if (mount_is_network(me)) {
+ post = SPECIAL_REMOTE_FS_TARGET;
+ pre = SPECIAL_REMOTE_FS_PRE_TARGET;
+ } else {
+ post = SPECIAL_LOCAL_FS_TARGET;
+ pre = SPECIAL_LOCAL_FS_PRE_TARGET;
+ }
k = add_mount(what, where, me->mnt_type, me->mnt_opts,
- me->mnt_passno, noauto, nofail, automount,
- isbind, isnetwork, initrd, fstab_path);
+ me->mnt_passno, noauto, nofail, automount,
+ isbind, pre, post, fstab_path);
}
if (k < 0)
static int parse_new_root_from_proc_cmdline(void) {
char *w, *state;
- _cleanup_free_ char *what = NULL, *type = NULL, *opts = NULL, *line = NULL, *mu = NULL;
+ _cleanup_free_ char *what = NULL, *type = NULL, *opts = NULL, *line = NULL;
int r;
size_t l;
- /* Skip generation, if sysroot.mount already exists */
- mu = strjoin(arg_dest, "/", "sysroot.mount", NULL);
- if (!mu)
- return log_oom();
-
- r = access(mu, R_OK);
- if (r == 0)
- return 0;
-
r = read_one_line_file("/proc/cmdline", &line);
if (r < 0) {
log_error("Failed to read /proc/cmdline, ignoring: %s", strerror(-r));
free(word);
}
- if (what) {
+ if (!what) {
+ log_error("Could not find a root= entry on the kernel commandline.");
+ return 0;
+ }
- log_debug("Found entry what=%s where=/sysroot type=%s", what, type);
- r = add_mount(what, "/sysroot", type, opts, 0, false, false, false,
- false, false, true, "/proc/cmdline");
+ if (what[0] != '/') {
+ log_debug("Skipping entry what=%s where=/sysroot type=%s", what, type);
+ return 0;
+ }
- if (r < 0)
- return r;
- } else
- log_error("Could not find a root= entry on the kernel commandline.");
+ log_debug("Found entry what=%s where=/sysroot type=%s", what, type);
+ r = add_mount(what, "/sysroot", type, opts, 0, false, false, false,
+ false, NULL, SPECIAL_INITRD_ROOT_FS_TARGET, "/proc/cmdline");
- return 0;
+ return (r < 0) ? r : 0;
}
static int parse_proc_cmdline(void) {
}
int main(int argc, char *argv[]) {
- int r = 0, k = 0, l = 0;
+ int r = 0, k, l = 0;
if (argc > 1 && argc != 4) {
log_error("This program takes three or no arguments.");
if (parse_proc_cmdline() < 0)
return EXIT_FAILURE;
- if (arg_enabled)
- r = parse_fstab("", false);
+ if (in_initrd())
+ r = parse_new_root_from_proc_cmdline();
- if (in_initrd()) {
- if (arg_enabled)
- k = parse_fstab("/sysroot", true);
- l = parse_new_root_from_proc_cmdline();
- }
+ if (!arg_enabled)
+ return (r < 0) ? EXIT_FAILURE : EXIT_SUCCESS;
+
+ k = parse_fstab("", false);
+
+ if (in_initrd())
+ l = parse_fstab("/sysroot", true);
return (r < 0) || (k < 0) || (l < 0) ? EXIT_FAILURE : EXIT_SUCCESS;
}
~ianmdlvl / elogind.git / blobdiff