File 2006-btrfs-constify-some-function-parameters.patch of Package btrfsprogs.356

From: Jeff Mahoney <jeffm@suse.com>
Subject: btrfs: constify some function parameters



Signed-off-by: Jeff Mahoney <jeffm@suse.com>
---
 ctree.h     |    4 ++--
 disk-io.c   |    3 ++-
 disk-io.h   |    3 ++-
 file-item.c |    4 ++--
 4 files changed, 8 insertions(+), 6 deletions(-)

--- a/ctree.h
+++ b/ctree.h
@@ -2355,10 +2355,10 @@ int btrfs_insert_file_extent(struct btrf
 			     u64 num_bytes);
 int btrfs_insert_inline_extent(struct btrfs_trans_handle *trans,
 				struct btrfs_root *root, u64 objectid,
-				u64 offset, char *buffer, size_t size);
+				u64 offset, const char *buffer, size_t size);
 int btrfs_csum_file_block(struct btrfs_trans_handle *trans,
 			  struct btrfs_root *root, u64 alloc_end,
-			  u64 bytenr, char *data, size_t len);
+			  u64 bytenr, const char *data, size_t len);
 int btrfs_csum_truncate(struct btrfs_trans_handle *trans,
 			struct btrfs_root *root, struct btrfs_path *path,
 			u64 isize);
--- a/disk-io.c
+++ b/disk-io.c
@@ -60,7 +60,8 @@ static int check_tree_block(struct btrfs
 	return ret;
 }
 
-u32 btrfs_csum_data(struct btrfs_root *root, char *data, u32 seed, size_t len)
+u32 btrfs_csum_data(struct btrfs_root *root, const char *data,
+		    u32 seed, size_t len)
 {
 	return crc32c(seed, data, len);
 }
--- a/disk-io.h
+++ b/disk-io.h
@@ -97,7 +97,8 @@ int btrfs_buffer_uptodate(struct extent_
 int btrfs_set_buffer_uptodate(struct extent_buffer *buf);
 int wait_on_tree_block_writeback(struct btrfs_root *root,
 				 struct extent_buffer *buf);
-u32 btrfs_csum_data(struct btrfs_root *root, char *data, u32 seed, size_t len);
+u32 btrfs_csum_data(struct btrfs_root *root, const char *data,
+		    u32 seed, size_t len);
 void btrfs_csum_final(u32 crc, char *result);
 
 int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
--- a/file-item.c
+++ b/file-item.c
@@ -72,7 +72,7 @@ out:
 
 int btrfs_insert_inline_extent(struct btrfs_trans_handle *trans,
 			       struct btrfs_root *root, u64 objectid,
-			       u64 offset, char *buffer, size_t size)
+			       u64 offset, const char *buffer, size_t size)
 {
 	struct btrfs_key key;
 	struct btrfs_path *path;
@@ -169,7 +169,7 @@ fail:
 
 int btrfs_csum_file_block(struct btrfs_trans_handle *trans,
 			  struct btrfs_root *root, u64 alloc_end,
-			  u64 bytenr, char *data, size_t len)
+			  u64 bytenr, const char *data, size_t len)
 {
 	int ret = 0;
 	struct btrfs_key file_key;