Btrfs: cleanup the same name in end_bio_extent_readpage

We've defined a 'offset' out of bio_for_each_segment_all.

This is just a clean rename, no function changes.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Chris Mason <clm@fb.com>

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 816e80e..d70feb5 100644 (file)
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2543,12 +2543,12 @@ readpage_ok:
                if (likely(uptodate)) {
                        loff_t i_size = i_size_read(inode);
                        pgoff_t end_index = i_size >> PAGE_CACHE_SHIFT;
-                       unsigned offset;
+                       unsigned off;
 
                        /* Zero out the end if this page straddles i_size */
-                       offset = i_size & (PAGE_CACHE_SIZE-1);
-                       if (page->index == end_index && offset)
-                               zero_user_segment(page, offset, PAGE_CACHE_SIZE);
+                       off = i_size & (PAGE_CACHE_SIZE-1);
+                       if (page->index == end_index && off)
+                               zero_user_segment(page, off, PAGE_CACHE_SIZE);
                        SetPageUptodate(page);
                } else {
                        ClearPageUptodate(page);