Keep VDEV in removed state if not found by vdev_open()

Signed-off-by: Ameer Hamza <ahamza@ixsystems.com>

module/os/linux/zfs/vdev_disk.c

@@ -302,6 +302,13 @@ vdev_disk_open(vdev_t *v, uint64_t *psize, uint64_t *max_psize,
 		bdev = blkdev_get_by_path(v->vdev_path, mode | FMODE_EXCL,
 		    zfs_vdev_holder);
 		if (unlikely(PTR_ERR(bdev) == -ENOENT)) {
+			/*
+			 * There is no point of waiting since device is removed
+			 * explicitly
+			 */
+			if (v->vdev_removed)
+				break;
+
 			schedule_timeout(MSEC_TO_TICK(10));
 		} else if (unlikely(PTR_ERR(bdev) == -ERESTARTSYS)) {
 			timeout = MSEC2NSEC(zfs_vdev_open_timeout_ms * 10);

module/zfs/vdev.c

@@ -1948,6 +1948,14 @@ vdev_open(vdev_t *vd)
 
 	error = vd->vdev_ops->vdev_op_open(vd, &osize, &max_osize,
 	    &logical_ashift, &physical_ashift);
+
+	/* Keep the device in removed state if unplugged */
+	if (error == ENOENT && vd->vdev_removed) {
+		vdev_set_state(vd, B_TRUE, VDEV_STATE_REMOVED,
+		    VDEV_AUX_NONE);
+		return (error);
+	}
+
 	/*
 	 * Physical volume size should never be larger than its max size, unless
 	 * the disk has shrunk while we were reading it or the device is buggy