dm: remove symbol export for dm_set_device_limits

There is no need for code other than DM core to use dm_set_device_limits
so remove its EXPORT_SYMBOL_GPL.  Also, cleanup a couple whitespace nits.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>

3 files changed, 3 insertions, 11 deletions

diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 50601ec7017a..5f59f1e3e5b1 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -465,8 +465,8 @@ int dm_get_device(struct dm_target *ti, const char *path, fmode_t mode,
 }
 EXPORT_SYMBOL(dm_get_device);
 
-int dm_set_device_limits(struct dm_target *ti, struct dm_dev *dev,
-                         sector_t start, sector_t len, void *data)
+static int dm_set_device_limits(struct dm_target *ti, struct dm_dev *dev,
+                                sector_t start, sector_t len, void *data)
 {
         struct queue_limits *limits = data;
         struct block_device *bdev = dev->bdev;
@@ -499,7 +499,6 @@ int dm_set_device_limits(struct dm_target *ti, struct dm_dev *dev,
                                           (unsigned int) (PAGE_SIZE >> 9));
         return 0;
 }
-EXPORT_SYMBOL_GPL(dm_set_device_limits);
 
 /*
  * Decrement a device's use count and remove it if necessary.
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 3234a753a80d..bf1a1eaad9a9 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1498,7 +1498,6 @@ static int dm_merge_bvec(struct request_queue *q,
          * just one page.
          */
         else if (queue_max_hw_sectors(q) <= PAGE_SIZE >> 9)
-
                 max_size = 0;
 
 out:
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index 0adca299f238..e1707de043ae 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -115,12 +115,6 @@ typedef int (*dm_busy_fn) (struct dm_target *ti);
 
 void dm_error(const char *message);
 
-/*
- * Combine device limits.
- */
-int dm_set_device_limits(struct dm_target *ti, struct dm_dev *dev,
-                         sector_t start, sector_t len, void *data);
-
 struct dm_dev {
         struct block_device *bdev;
         fmode_t mode;
@@ -132,7 +126,7 @@ struct dm_dev {
  * are opened/closed correctly.
  */
 int dm_get_device(struct dm_target *ti, const char *path, fmode_t mode,
-                                                 struct dm_dev **result);
+                  struct dm_dev **result);
 void dm_put_device(struct dm_target *ti, struct dm_dev *d);
 
 /*