dm table: remove unused dm_create_error_table

dm_create_error_table() was added in kernel 2.6.18 and never used...

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index fc261c81d736c8e4ae0189dbd268fc7a1bf3e801..51be53344214906593ec54dec6b6e8e1c018f369 100644 (file)
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -245,44 +245,6 @@ int dm_table_create(struct dm_table **result, int mode,
        return 0;
 }
 
-int dm_create_error_table(struct dm_table **result, struct mapped_device *md)
-{
-       struct dm_table *t;
-       sector_t dev_size = 1;
-       int r;
-
-       /*
-        * Find current size of device.
-        * Default to 1 sector if inactive.
-        */
-       t = dm_get_table(md);
-       if (t) {
-               dev_size = dm_table_get_size(t);
-               dm_table_put(t);
-       }
-
-       r = dm_table_create(&t, FMODE_READ, 1, md);
-       if (r)
-               return r;
-
-       r = dm_table_add_target(t, "error", 0, dev_size, NULL);
-       if (r)
-               goto out;
-
-       r = dm_table_complete(t);
-       if (r)
-               goto out;
-
-       *result = t;
-
-out:
-       if (r)
-               dm_table_put(t);
-
-       return r;
-}
-EXPORT_SYMBOL_GPL(dm_create_error_table);
-
 static void free_devices(struct list_head *devices)
 {
        struct list_head *tmp, *next;

diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index a68829e274fef70386dd8e94f00ced3687816df8..ad3b787479a49ef54daff54e12f505b2833fd731 100644 (file)
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -252,12 +252,6 @@ void dm_table_event(struct dm_table *t);
  */
 int dm_swap_table(struct mapped_device *md, struct dm_table *t);
 
-/*
- * Prepare a table for a device that will error all I/O.
- * To make it active, call dm_suspend(), dm_swap_table() then dm_resume().
- */
-int dm_create_error_table(struct dm_table **result, struct mapped_device *md);
-
 /*-----------------------------------------------------------------
  * Macros.
  *---------------------------------------------------------------*/