diff options
| -rw-r--r-- | src/fstab-generator/fstab-generator.c | 60 |
1 files changed, 43 insertions, 17 deletions
diff --git a/src/fstab-generator/fstab-generator.c b/src/fstab-generator/fstab-generator.c index 1a1fe8605f..a8436e6233 100644 --- a/src/fstab-generator/fstab-generator.c +++ b/src/fstab-generator/fstab-generator.c @@ -200,8 +200,8 @@ static bool mount_in_initrd(struct mntent *me) { } 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 isnetwork, - const char *source) { + int passno, bool noauto, bool nofail, bool automount, bool isbind, + bool remote_fs_target, bool initrd_fs_target, const char *source) { char _cleanup_free_ *name = NULL, *unit = NULL, *lnk = NULL, *device = NULL, *automount_name = NULL, *automount_unit = NULL; @@ -227,9 +227,12 @@ static int add_mount(const char *what, const char *where, const char *type, cons mount_point_ignore(where)) return 0; - if (isnetwork) { + 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; @@ -407,6 +410,7 @@ static int parse_fstab(const char *prefix, bool initrd) { continue; what = fstab_node_to_udev_node(me->mnt_fsname); + where = strjoin(prefix, me->mnt_dir, NULL); if (!what || !where) { r = log_oom(); @@ -416,6 +420,21 @@ static int parse_fstab(const char *prefix, bool initrd) { 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")) @@ -432,8 +451,8 @@ static int parse_fstab(const char *prefix, bool initrd) { isnetwork = mount_is_network(me); k = add_mount(what, where, me->mnt_type, me->mnt_opts, - me->mnt_passno, noauto, nofail, automount, - isbind, isnetwork, fstab_path); + me->mnt_passno, noauto, nofail, automount, + isbind, isnetwork, initrd, fstab_path); } if (k < 0) @@ -447,10 +466,19 @@ finish: static int parse_new_root_from_proc_cmdline(void) { char *w, *state; - _cleanup_free_ char *what = NULL, *type = NULL, *opts = NULL, *line = NULL; + _cleanup_free_ char *what = NULL, *type = NULL, *opts = NULL, *line = NULL, *mu = 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)); @@ -506,7 +534,7 @@ static int parse_new_root_from_proc_cmdline(void) { 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, "/proc/cmdline"); + false, false, true, "/proc/cmdline"); if (r < 0) return r; @@ -566,7 +594,7 @@ static int parse_proc_cmdline(void) { } int main(int argc, char *argv[]) { - int r = 0, k, l = 0; + int r = 0, k = 0, l = 0; if (argc > 1 && argc != 4) { log_error("This program takes three or no arguments."); @@ -585,16 +613,14 @@ int main(int argc, char *argv[]) { if (parse_proc_cmdline() < 0) return EXIT_FAILURE; - if (in_initrd()) - r = parse_new_root_from_proc_cmdline(); + if (arg_enabled) + r = parse_fstab("", false); - if (!arg_enabled) - return (r < 0) ? EXIT_FAILURE : EXIT_SUCCESS; - - k = parse_fstab("", false); - - if (in_initrd()) - l = parse_fstab("/sysroot", true); + if (in_initrd()) { + if (arg_enabled) + k = parse_fstab("/sysroot", true); + l = parse_new_root_from_proc_cmdline(); + } return (r < 0) || (k < 0) || (l < 0) ? EXIT_FAILURE : EXIT_SUCCESS; } |