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[PATCH] ocfs2: zero_user_page conversion 

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
This commit is contained in:
Eric Sandeen 2007-06-20 17:15:10 -07:00 committed by Mark Fasheh
parent b25801038d
commit 54c57dc3b6
1 changed files with 2 additions and 11 deletions
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13
fs/ocfs2/aops.c
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@ -740,18 +740,13 @@ int ocfs2_map_page_blocks(struct page *page, u64 *p_blkno,
bh = head;
block_start = 0;
do {
void *kaddr;
block_end = block_start + bsize;
if (block_end <= from)
goto next_bh;
if (block_start >= to)
break;
kaddr = kmap_atomic(page, KM_USER0);
memset(kaddr+block_start, 0, bh->b_size);
flush_dcache_page(page);
kunmap_atomic(kaddr, KM_USER0);
zero_user_page(page, block_start, bh->b_size, KM_USER0);
set_buffer_uptodate(bh);
mark_buffer_dirty(bh);
@ -906,15 +901,11 @@ static void ocfs2_zero_new_buffers(struct page *page, unsigned from, unsigned to
if (block_end > from && block_start < to) {
if (!PageUptodate(page)) {
unsigned start, end;
void *kaddr;
start = max(from, block_start);
end = min(to, block_end);
kaddr = kmap_atomic(page, KM_USER0);
memset(kaddr+start, 0, end - start);
flush_dcache_page(page);
kunmap_atomic(kaddr, KM_USER0);
zero_user_page(page, start, end - start, KM_USER0);
set_buffer_uptodate(bh);
}