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| author | Eric Sandeen <sandeen@redhat.com> | 2007-06-20 17:15:10 -0700 |
|---|---|---|
| committer | Mark Fasheh <mark.fasheh@oracle.com> | 2007-07-10 17:32:10 -0700 |
| commit | 54c57dc3b6578356c0a428c767d4bf080254a2ee (patch) | |
| tree | 009484927ae335d7a6312aa5a53c0bcd90d92a9e | |
| parent | b25801038da5823bba1b5440a57ca68afc51b6bd (diff) | |
| download | op-kernel-dev-54c57dc3b6578356c0a428c767d4bf080254a2ee.zip op-kernel-dev-54c57dc3b6578356c0a428c767d4bf080254a2ee.tar.gz | |
[PATCH] ocfs2: zero_user_page conversion
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
| -rw-r--r-- | fs/ocfs2/aops.c | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index ec8b606..84bf6e7 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -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); } |
