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>

1 files changed, 4 insertions, 4 deletions

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 816e80e678bd..d70feb545066 100644
--- 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);