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btrfs: remove constant parameter to memset_extent_buffer and rename it

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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>
This commit is contained in:
David Sterba
2016-11-08 18:09:03 +01:00
parent fba1acf9ff
commit b159fa2808
12 changed files with 21 additions and 21 deletions
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10
fs/btrfs/extent_io.c
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@@ -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;