[dm-devel] [PATCH v2 1/5] block: annotate bdev_disk_changed() deprecation with a symbol namespace

[Luis Chamberlain <mcgrof@kernel.org>]

This ensures no other users pop up by mistake easily and provides
us a with an easy vehicle to do the same with other routines should
we need it later.

Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
---
 block/partitions/core.c         | 6 +-----
 drivers/block/loop.c            | 2 ++
 drivers/s390/block/dasd_genhd.c | 2 ++
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/block/partitions/core.c b/block/partitions/core.c
index 49e0496ff23c..6f18444be4fe 100644
--- a/block/partitions/core.c
+++ b/block/partitions/core.c
@@ -690,11 +690,7 @@ int bdev_disk_changed(struct gendisk *disk, bool invalidate)
 
 	return ret;
 }
-/*
- * Only exported for loop and dasd for historic reasons.  Don't use in new
- * code!
- */
-EXPORT_SYMBOL_GPL(bdev_disk_changed);
+EXPORT_SYMBOL_NS_GPL(bdev_disk_changed, BLOCK_DEPRECATED);
 
 void *read_part_sector(struct parsed_partitions *state, sector_t n, Sector *p)
 {
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index bc31bb7072a2..50aa5b4c0c56 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -37,6 +37,8 @@
 #include <linux/spinlock.h>
 #include <uapi/linux/loop.h>
 
+MODULE_IMPORT_NS(BLOCK_DEPRECATED);
+
 /* Possible states of device */
 enum {
 	Lo_unbound,
diff --git a/drivers/s390/block/dasd_genhd.c b/drivers/s390/block/dasd_genhd.c
index 998a961e1704..5ea244aec534 100644
--- a/drivers/s390/block/dasd_genhd.c
+++ b/drivers/s390/block/dasd_genhd.c
@@ -25,6 +25,8 @@
 
 #include "dasd_int.h"
 
+MODULE_IMPORT_NS(BLOCK_DEPRECATED);
+
 static unsigned int queue_depth = 32;
 static unsigned int nr_hw_queues = 4;
 
-- 
2.39.2

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