[PATCH 2/3] dm: Add accessor dm_table_md_deleting

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Add a dm_table accessor function to check if md is being deleted.

Signed-off-by: Mike Anderson <andmike@xxxxxxxxxxxxxxxxxx>
---
 drivers/md/dm-table.c         |    6 ++++++
 include/linux/device-mapper.h |    1 +
 2 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 6616598..fdf86fe 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -1250,6 +1250,11 @@ int dm_table_md_suspended(struct dm_table *t)
 	return dm_suspended(t->md);
 }
 
+int dm_table_md_deleting(struct dm_table *t)
+{
+	return dm_deleting(t->md);
+}
+
 EXPORT_SYMBOL(dm_vcalloc);
 EXPORT_SYMBOL(dm_get_device);
 EXPORT_SYMBOL(dm_put_device);
@@ -1261,3 +1266,4 @@ EXPORT_SYMBOL(dm_table_put);
 EXPORT_SYMBOL(dm_table_get);
 EXPORT_SYMBOL(dm_table_unplug_all);
 EXPORT_SYMBOL(dm_table_md_suspended);
+EXPORT_SYMBOL(dm_table_md_deleting);
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index 16cd291..5a0fb6c 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -289,6 +289,7 @@ unsigned int dm_table_get_num_targets(struct dm_table *t);
 fmode_t dm_table_get_mode(struct dm_table *t);
 struct mapped_device *dm_table_get_md(struct dm_table *t);
 int dm_table_md_suspended(struct dm_table *t);
+int dm_table_md_deleting(struct dm_table *t);
 
 /*
  * Trigger an event.

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