X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fshared%2Fgenerator.c;h=2dc34bf738a55e23aeacf509e5506ddeb7b84f65;hp=49647c1ab6b55857ff687ae350fb1dd27ad14cbc;hb=86bdfce4885106a833847da2199fca1250ba5851;hpb=e48fdd84432bbf9c2ecc339183258c7c33116032

diff --git a/src/shared/generator.c b/src/shared/generator.c
index 49647c1ab..2dc34bf73 100644
--- a/src/shared/generator.c
+++ b/src/shared/generator.c
@@ -26,59 +26,102 @@
 #include "mkdir.h"
 #include "unit-name.h"
 #include "generator.h"
+#include "path-util.h"
+#include "fstab-util.h"
+#include "dropin.h"
 
 int generator_write_fsck_deps(
                 FILE *f,
-                const char *dest,
+                const char *dir,
                 const char *what,
                 const char *where,
-                const char *type) {
+                const char *fstype) {
+
+        int r;
 
         assert(f);
+        assert(dir);
+        assert(what);
+        assert(where);
 
         if (!is_device_path(what)) {
                 log_warning("Checking was requested for \"%s\", but it is not a device.", what);
                 return 0;
         }
 
-        if (type && !streq(type, "auto")) {
-                const char *checker;
-                int r;
-
-                checker = strappenda("/sbin/fsck.", type);
-                r = access(checker, X_OK);
-                if (r < 0) {
-                        log_warning("Checking was requested for %s, but %s cannot be used: %m", what, checker);
-
+        if (!isempty(fstype) && !streq(fstype, "auto")) {
+                r = fsck_exists(fstype);
+                if (r == -ENOENT) {
                         /* treat missing check as essentially OK */
-                        return errno == ENOENT ? 0 : -errno;
-                }
+                        log_debug_errno(r, "Checking was requested for %s, but fsck.%s does not exist: %m", what, fstype);
+                        return 0;
+                } else if (r < 0)
+                        return log_warning_errno(r, "Checking was requested for %s, but fsck.%s cannot be used: %m", what, fstype);
         }
 
-        if (streq(where, "/")) {
+        if (path_equal(where, "/")) {
                 char *lnk;
 
-                lnk = strappenda(dest, "/" SPECIAL_LOCAL_FS_TARGET ".wants/systemd-fsck-root.service");
+                lnk = strjoina(dir, "/" SPECIAL_LOCAL_FS_TARGET ".wants/systemd-fsck-root.service");
 
                 mkdir_parents(lnk, 0755);
-                if (symlink(SYSTEM_DATA_UNIT_PATH "/systemd-fsck-root.service", lnk) < 0) {
-                        log_error("Failed to create symlink %s: %m", lnk);
-                        return -errno;
-                }
+                if (symlink(SYSTEM_DATA_UNIT_PATH "/systemd-fsck-root.service", lnk) < 0)
+                        return log_error_errno(errno, "Failed to create symlink %s: %m", lnk);
 
         } else {
                 _cleanup_free_ char *fsck = NULL;
 
-                fsck = unit_name_from_path_instance("systemd-fsck", what, ".service");
-                if (!fsck)
-                        return log_oom();
+                r = unit_name_from_path_instance("systemd-fsck", what, ".service", &fsck);
+                if (r < 0)
+                        return log_error_errno(r, "Failed to create fsck service name: %m");
 
                 fprintf(f,
-                        "RequiresOverridable=%s\n"
-                        "After=%s\n",
-                        fsck,
+                        "RequiresOverridable=%1$s\n"
+                        "After=%1$s\n",
                         fsck);
         }
 
         return 0;
 }
+
+int generator_write_timeouts(
+                const char *dir,
+                const char *what,
+                const char *where,
+                const char *opts,
+                char **filtered) {
+
+        /* Allow configuration how long we wait for a device that
+         * backs a mount point to show up. This is useful to support
+         * endless device timeouts for devices that show up only after
+         * user input, like crypto devices. */
+
+        _cleanup_free_ char *node = NULL, *unit = NULL, *timeout = NULL;
+        usec_t u;
+        int r;
+
+        r = fstab_filter_options(opts, "comment=systemd.device-timeout\0" "x-systemd.device-timeout\0",
+                                 NULL, &timeout, filtered);
+        if (r <= 0)
+                return r;
+
+        r = parse_sec(timeout, &u);
+        if (r < 0) {
+                log_warning("Failed to parse timeout for %s, ignoring: %s", where, timeout);
+                return 0;
+        }
+
+        node = fstab_node_to_udev_node(what);
+        if (!node)
+                return log_oom();
+
+        r = unit_name_from_path(node, ".device", &unit);
+        if (r < 0)
+                return log_error_errno(r, "Failed to make unit name from path: %m");
+
+        return write_drop_in_format(dir, unit, 50, "device-timeout",
+                                    "# Automatically generated by %s\n\n"
+                                    "[Unit]\nJobTimeoutSec=" USEC_FMT,
+                                    program_invocation_short_name,
+                                    u / USEC_PER_SEC);
+}