Introspect and monitor dropin configuration

[elogind.git] / src / core / umount.c

diff --git a/src/core/umount.c b/src/core/umount.c
index 96232d38dba51c97e2a60f51d868051e8a6678da..95e47e3c5ac4a9a084dbb7621f7e2b84c7ce1f7d 100644 (file)
--- a/src/core/umount.c
+++ b/src/core/umount.c
@@ -219,7 +219,8 @@ static int loopback_list_get(MountPoint **head) {
         }
 
         if (udev_enumerate_add_match_subsystem(e, "block") < 0 ||
-            udev_enumerate_add_match_sysname(e, "loop*") < 0) {
+            udev_enumerate_add_match_sysname(e, "loop*") < 0 ||
+            udev_enumerate_add_match_sysattr(e, "loop/backing_file", NULL) < 0) {
                 r = -EIO;
                 goto finish;
         }
@@ -378,12 +379,14 @@ static int delete_loopback(const char *device) {
 }
 
 static int delete_dm(dev_t devnum) {
-        int fd, r;
+        int _cleanup_close_ fd = -1;
+        int r;
         struct dm_ioctl dm;
 
         assert(major(devnum) != 0);
 
-        if ((fd = open("/dev/mapper/control", O_RDWR|O_CLOEXEC)) < 0)
+        fd = open("/dev/mapper/control", O_RDWR|O_CLOEXEC);
+        if (fd < 0)
                 return -errno;
 
         zero(dm);
@@ -395,8 +398,6 @@ static int delete_dm(dev_t devnum) {
         dm.dev = devnum;
 
         r = ioctl(fd, DM_DEV_REMOVE, &dm);
-        close_nointr_nofail(fd);
-
         return r >= 0 ? 0 : -errno;
 }
 
@@ -442,9 +443,11 @@ static int mount_points_list_umount(MountPoint **head, bool *changed, bool log_e
                 )
                         continue;
 
-                /* Trying to umount. Forcing to umount if busy (only for NFS mounts) */
+                /* Trying to umount. We don't force here since we rely
+                 * on busy NFS and FUSE file systems to return EBUSY
+                 * until we closed everything on top of them. */
                 log_info("Unmounting %s.", m->path);
-                if (umount2(m->path, MNT_FORCE) == 0) {
+                if (umount2(m->path, 0) == 0) {
                         if (changed)
                                 *changed = true;