Add a dm_table accessor function to check if md is suspended.
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 1a6cb3c..6616598 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -1245,6 +1245,11 @@ struct mapped_device *dm_table_get_md(struct dm_table *t)
return t->md;
}
+int dm_table_md_suspended(struct dm_table *t)
+{
+ return dm_suspended(t->md);
+}
+
EXPORT_SYMBOL(dm_vcalloc);
EXPORT_SYMBOL(dm_get_device);
EXPORT_SYMBOL(dm_put_device);
@@ -1255,3 +1260,4 @@ EXPORT_SYMBOL(dm_table_get_md);
EXPORT_SYMBOL(dm_table_put);
EXPORT_SYMBOL(dm_table_get);
EXPORT_SYMBOL(dm_table_unplug_all);
+EXPORT_SYMBOL(dm_table_md_suspended);
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index df7607e..3440c54 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -287,6 +287,7 @@ sector_t dm_table_get_size(struct dm_table *t);
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);
/*
* Trigger an event.
--
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