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-rw-r--r--include/linux/blkdev.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index b43ca3b9d2a2..6ee8e7d7383c 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -233,6 +233,19 @@ static inline unsigned int disk_openers(struct gendisk *disk)
return atomic_read(&disk->part0->bd_openers);
}
+/**
+ * disk_has_partscan - return %true if partition scanning is enabled on a disk
+ * @disk: disk to check
+ *
+ * Returns %true if partitions scanning is enabled for @disk, or %false if
+ * partition scanning is disabled either permanently or temporarily.
+ */
+static inline bool disk_has_partscan(struct gendisk *disk)
+{
+ return !(disk->flags & (GENHD_FL_NO_PART | GENHD_FL_HIDDEN)) &&
+ !test_bit(GD_SUPPRESS_PART_SCAN, &disk->state);
+}
+
/*
* The gendisk is refcounted by the part0 block_device, and the bd_device
* therein is also used for device model presentation in sysfs.