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-rw-r--r--include/linux/device-mapper.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index c98d847b0f0b..7f4ac87c0b32 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -343,6 +343,11 @@ struct dm_target {
* whether or not its underlying devices have support.
*/
bool discards_supported:1;
+
+ /*
+ * Set if we need to limit the number of in-flight bios when swapping.
+ */
+ bool limit_swap_bios:1;
};
void *dm_per_bio_data(struct bio *bio, size_t data_size);