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-rw-r--r--src/basic/mount-util.c21
-rw-r--r--src/basic/mount-util.h2
-rw-r--r--src/core/automount.c36
3 files changed, 37 insertions, 22 deletions
diff --git a/src/basic/mount-util.c b/src/basic/mount-util.c
index d04e7492e5..29997b1ce7 100644
--- a/src/basic/mount-util.c
+++ b/src/basic/mount-util.c
@@ -506,3 +506,24 @@ bool fstype_is_network(const char *fstype) {
return nulstr_contains(table, fstype);
}
+
+int repeat_unmount(const char *path, int flags) {
+ bool done = false;
+
+ assert(path);
+
+ /* If there are multiple mounts on a mount point, this
+ * removes them all */
+
+ for (;;) {
+ if (umount2(path, flags) < 0) {
+
+ if (errno == EINVAL)
+ return done;
+
+ return -errno;
+ }
+
+ done = true;
+ }
+}
diff --git a/src/basic/mount-util.h b/src/basic/mount-util.h
index c87ae93e55..48954c2d67 100644
--- a/src/basic/mount-util.h
+++ b/src/basic/mount-util.h
@@ -32,6 +32,8 @@
int fd_is_mount_point(int fd, const char *filename, int flags);
int path_is_mount_point(const char *path, int flags);
+int repeat_unmount(const char *path, int flags);
+
int umount_recursive(const char *target, int flags);
int bind_remount_recursive(const char *prefix, bool ro);
diff --git a/src/core/automount.c b/src/core/automount.c
index 715e52e794..4c229247c5 100644
--- a/src/core/automount.c
+++ b/src/core/automount.c
@@ -89,26 +89,11 @@ static void automount_init(Unit *u) {
UNIT(a)->ignore_on_isolate = true;
}
-static void repeat_unmount(const char *path) {
- assert(path);
-
- for (;;) {
- /* If there are multiple mounts on a mount point, this
- * removes them all */
-
- if (umount2(path, MNT_DETACH) >= 0)
- continue;
-
- if (errno != EINVAL)
- log_error_errno(errno, "Failed to unmount: %m");
-
- break;
- }
-}
-
static int automount_send_ready(Automount *a, Set *tokens, int status);
static void unmount_autofs(Automount *a) {
+ int r;
+
assert(a);
if (a->pipe_fd < 0)
@@ -124,8 +109,11 @@ static void unmount_autofs(Automount *a) {
* around */
if (a->where &&
(UNIT(a)->manager->exit_code != MANAGER_RELOAD &&
- UNIT(a)->manager->exit_code != MANAGER_REEXECUTE))
- repeat_unmount(a->where);
+ UNIT(a)->manager->exit_code != MANAGER_REEXECUTE)) {
+ r = repeat_unmount(a->where, MNT_DETACH);
+ if (r < 0)
+ log_error_errno(r, "Failed to unmount: %m");
+ }
}
static void automount_done(Unit *u) {
@@ -615,12 +603,16 @@ static void automount_enter_waiting(Automount *a) {
return;
fail:
+ log_unit_error_errno(UNIT(a), r, "Failed to initialize automounter: %m");
+
safe_close_pair(p);
- if (mounted)
- repeat_unmount(a->where);
+ if (mounted) {
+ r = repeat_unmount(a->where, MNT_DETACH);
+ if (r < 0)
+ log_error_errno(r, "Failed to unmount, ignoring: %m");
+ }
- log_unit_error_errno(UNIT(a), r, "Failed to initialize automounter: %m");
automount_enter_dead(a, AUTOMOUNT_FAILURE_RESOURCES);
}