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authorEric Sandeen <sandeen@redhat.com>2007-06-20 20:15:10 -0400
committerMark Fasheh <mark.fasheh@oracle.com>2007-07-10 20:32:10 -0400
commit54c57dc3b6578356c0a428c767d4bf080254a2ee (patch)
tree009484927ae335d7a6312aa5a53c0bcd90d92a9e /fs
parentb25801038da5823bba1b5440a57ca68afc51b6bd (diff)
[PATCH] ocfs2: zero_user_page conversion
Signed-off-by: Eric Sandeen <sandeen@redhat.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/ocfs2/aops.c13
1 files changed, 2 insertions, 11 deletions
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index ec8b606b30e1..84bf6e79de23 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,
740 bh = head; 740 bh = head;
741 block_start = 0; 741 block_start = 0;
742 do { 742 do {
743 void *kaddr;
744
745 block_end = block_start + bsize; 743 block_end = block_start + bsize;
746 if (block_end <= from) 744 if (block_end <= from)
747 goto next_bh; 745 goto next_bh;
748 if (block_start >= to) 746 if (block_start >= to)
749 break; 747 break;
750 748
751 kaddr = kmap_atomic(page, KM_USER0); 749 zero_user_page(page, block_start, bh->b_size, KM_USER0);
752 memset(kaddr+block_start, 0, bh->b_size);
753 flush_dcache_page(page);
754 kunmap_atomic(kaddr, KM_USER0);
755 set_buffer_uptodate(bh); 750 set_buffer_uptodate(bh);
756 mark_buffer_dirty(bh); 751 mark_buffer_dirty(bh);
757 752
@@ -906,15 +901,11 @@ static void ocfs2_zero_new_buffers(struct page *page, unsigned from, unsigned to
906 if (block_end > from && block_start < to) { 901 if (block_end > from && block_start < to) {
907 if (!PageUptodate(page)) { 902 if (!PageUptodate(page)) {
908 unsigned start, end; 903 unsigned start, end;
909 void *kaddr;
910 904
911 start = max(from, block_start); 905 start = max(from, block_start);
912 end = min(to, block_end); 906 end = min(to, block_end);
913 907
914 kaddr = kmap_atomic(page, KM_USER0); 908 zero_user_page(page, start, end - start, KM_USER0);
915 memset(kaddr+start, 0, end - start);
916 flush_dcache_page(page);
917 kunmap_atomic(kaddr, KM_USER0);
918 set_buffer_uptodate(bh); 909 set_buffer_uptodate(bh);
919 } 910 }
920 911