From ba96eb24fa2a4572f6433d9a148bf798f4cd1a57 Mon Sep 17 00:00:00 2001
From: Zdenek Kabelac <zkabelac@redhat.com>
Date: Mon, 20 Dec 2010 13:19:13 +0000
Subject: [PATCH] Some const cleanups

Minor const warning fixes and internal API updates.
---
 lib/config/config.c           | 4 ++--
 lib/datastruct/btree.c        | 2 +-
 lib/format_pool/format_pool.c | 2 +-
 lib/format_text/import.c      | 2 +-
 lib/metadata/metadata.h       | 2 +-
 5 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/lib/config/config.c b/lib/config/config.c
index 647787787..1df8d09e9 100644
--- a/lib/config/config.c
+++ b/lib/config/config.c
@@ -239,8 +239,8 @@ int read_config_fd(struct config_tree *cft, struct device *dev,
 	}
 
 	if (checksum_fn && checksum !=
-	    (checksum_fn(checksum_fn(INITIAL_CRC, (uint8_t *)p->fb, size),
-			 (uint8_t *)(p->fb + size), size2))) {
+	    (checksum_fn(checksum_fn(INITIAL_CRC, (const uint8_t *)p->fb, size),
+			 (const uint8_t *)(p->fb + size), size2))) {
 		log_error("%s: Checksum error", dev_name(dev));
 		goto out;
 	}
diff --git a/lib/datastruct/btree.c b/lib/datastruct/btree.c
index 9446008ca..bfcdca604 100644
--- a/lib/datastruct/btree.c
+++ b/lib/datastruct/btree.c
@@ -103,7 +103,7 @@ int btree_insert(struct btree *t, uint32_t k, void *data)
 
 void *btree_get_data(const struct btree_iter *it)
 {
-	return ((struct node *) it)->data;
+	return ((const struct node *) it)->data;
 }
 
 static struct node *_left(struct node *n)
diff --git a/lib/format_pool/format_pool.c b/lib/format_pool/format_pool.c
index 04b561165..545195bb7 100644
--- a/lib/format_pool/format_pool.c
+++ b/lib/format_pool/format_pool.c
@@ -75,7 +75,7 @@ static struct user_subpool *_build_usp(struct dm_list *pls, struct dm_pool *mem,
 	return usp;
 }
 
-static int _check_usp(char *vgname, struct user_subpool *usp, int sp_count)
+static int _check_usp(const char *vgname, struct user_subpool *usp, int sp_count)
 {
 	int i;
 	unsigned j;
diff --git a/lib/format_text/import.c b/lib/format_text/import.c
index 3e0df94cf..60f465fc8 100644
--- a/lib/format_text/import.c
+++ b/lib/format_text/import.c
@@ -131,7 +131,7 @@ struct volume_group *text_vg_import_file(struct format_instance *fid,
 				 when, desc);
 }
 
-struct volume_group *import_vg_from_buffer(char *buf,
+struct volume_group *import_vg_from_buffer(const char *buf,
                                            struct format_instance *fid)
 {
 	struct volume_group *vg = NULL;
diff --git a/lib/metadata/metadata.h b/lib/metadata/metadata.h
index 6ed467ed7..815e4600a 100644
--- a/lib/metadata/metadata.h
+++ b/lib/metadata/metadata.h
@@ -386,7 +386,7 @@ void lv_calculate_readahead(const struct logical_volume *lv, uint32_t *read_ahea
  * For internal metadata caching.
  */
 int export_vg_to_buffer(struct volume_group *vg, char **buf);
-struct volume_group *import_vg_from_buffer(char *buf,
+struct volume_group *import_vg_from_buffer(const char *buf,
 					   struct format_instance *fid);
 
 /*