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-rw-r--r--src/core/automount.c28
1 files changed, 22 insertions, 6 deletions
diff --git a/src/core/automount.c b/src/core/automount.c
index b8a8a92b54..4af381b4b6 100644
--- a/src/core/automount.c
+++ b/src/core/automount.c
@@ -471,13 +471,20 @@ static int automount_send_ready(Automount *a, Set *tokens, int status) {
return r;
}
+static int automount_start_expire(Automount *a);
+
int automount_update_mount(Automount *a, MountState old_state, MountState state) {
+ int r;
+
assert(a);
switch (state) {
case MOUNT_MOUNTED:
case MOUNT_REMOUNTING:
automount_send_ready(a, a->tokens, 0);
+ r = automount_start_expire(a);
+ if (r < 0)
+ log_unit_warning_errno(UNIT(a), r, "Failed to start expiration timer, ignoring: %m");
break;
case MOUNT_DEAD:
case MOUNT_UNMOUNTING:
@@ -490,6 +497,7 @@ int automount_update_mount(Automount *a, MountState old_state, MountState state)
case MOUNT_FAILED:
if (old_state != state)
automount_send_ready(a, a->tokens, -ENODEV);
+ (void) sd_event_source_set_enabled(a->expire_event_source, SD_EVENT_OFF);
break;
default:
break;
@@ -633,8 +641,6 @@ static void *expire_thread(void *p) {
return NULL;
}
-static int automount_start_expire(Automount *a);
-
static int automount_dispatch_expire(sd_event_source *source, usec_t usec, void *userdata) {
Automount *a = AUTOMOUNT(userdata);
_cleanup_(expire_data_freep) struct expire_data *data = NULL;
@@ -733,10 +739,6 @@ static void automount_enter_runnning(Automount *a) {
}
}
- r = automount_start_expire(a);
- if (r < 0)
- log_unit_warning_errno(UNIT(a), r, "Failed to start expiration timer, ignoring: %m");
-
automount_set_state(a, AUTOMOUNT_RUNNING);
return;
@@ -907,6 +909,7 @@ static int automount_dispatch_io(sd_event_source *s, int fd, uint32_t events, vo
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
union autofs_v5_packet_union packet;
Automount *a = AUTOMOUNT(userdata);
+ struct stat st;
int r;
assert(a);
@@ -966,6 +969,19 @@ static int automount_dispatch_io(sd_event_source *s, int fd, uint32_t events, vo
log_unit_error_errno(UNIT(a), r, "Failed to remember token: %m");
goto fail;
}
+
+ /* Before we do anything, let's see if somebody is playing games with us? */
+ if (lstat(a->where, &st) < 0) {
+ log_unit_warning_errno(UNIT(a), errno, "Failed to stat automount point: %m");
+ goto fail;
+ }
+
+ if (!S_ISDIR(st.st_mode) || st.st_dev == a->dev_id) {
+ log_unit_info(UNIT(a), "Automount point already unmounted?");
+ automount_send_ready(a, a->expire_tokens, 0);
+ break;
+ }
+
r = manager_add_job(UNIT(a)->manager, JOB_STOP, UNIT_TRIGGER(UNIT(a)), JOB_REPLACE, true, &error, NULL);
if (r < 0) {
log_unit_warning(UNIT(a), "Failed to queue umount startup job: %s", bus_error_message(&error, r));