btrfs: remove constant parameter to memset_extent_buffer and rename it

The only memset we do is to 0, so sink the parameter to the function and
simplify all calls. Rename the function to reflect the behaviour.

Signed-off-by: David Sterba <dsterba@suse.com>

1 files changed, 5 insertions, 5 deletions

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index bf719e3bcaf2..9f8a1a331c61 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -3743,7 +3743,7 @@ static noinline_for_stack int write_one_eb(struct extent_buffer *eb,
 	if (btrfs_header_level(eb) > 0) {
 		end = btrfs_node_key_ptr_offset(nritems);
 
-		memset_extent_buffer(eb, 0, end, eb->len - end);
+		memzero_extent_buffer(eb, end, eb->len - end);
 	} else {
 		/*
 		 * leaf:
@@ -3752,7 +3752,7 @@ static noinline_for_stack int write_one_eb(struct extent_buffer *eb,
 		start = btrfs_item_nr_offset(nritems);
 		end = btrfs_leaf_data(eb) +
 		      leaf_data_end(fs_info->tree_root, eb);
-		memset_extent_buffer(eb, 0, start, end - start);
+		memzero_extent_buffer(eb, start, end - start);
 	}
 
 	for (i = 0; i < num_pages; i++) {
@@ -5517,8 +5517,8 @@ void write_extent_buffer(struct extent_buffer *eb, const void *srcv,
 	}
 }
 
-void memset_extent_buffer(struct extent_buffer *eb, char c,
-			  unsigned long start, unsigned long len)
+void memzero_extent_buffer(struct extent_buffer *eb, unsigned long start,
+		unsigned long len)
 {
 	size_t cur;
 	size_t offset;
@@ -5538,7 +5538,7 @@ void memset_extent_buffer(struct extent_buffer *eb, char c,
 
 		cur = min(len, PAGE_SIZE - offset);
 		kaddr = page_address(page);
-		memset(kaddr + offset, c, cur);
+		memset(kaddr + offset, 0, cur);
 
 		len -= cur;
 		offset = 0;