diff options
Diffstat (limited to 'fs/btrfs/extent_io.h')
| -rw-r--r-- | fs/btrfs/extent_io.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h index d8382a4a7f46..7a3c15b55f2b 100644 --- a/fs/btrfs/extent_io.h +++ b/fs/btrfs/extent_io.h @@ -442,8 +442,8 @@ void wait_on_extent_buffer_writeback(struct extent_buffer *eb); static inline unsigned long num_extent_pages(const struct extent_buffer *eb) { - return ((eb->start + eb->len + PAGE_SIZE - 1) >> PAGE_SHIFT) - - (eb->start >> PAGE_SHIFT); + return (round_up(eb->start + eb->len, PAGE_SIZE) >> PAGE_SHIFT) - + (eb->start >> PAGE_SHIFT); } static inline void extent_buffer_get(struct extent_buffer *eb) |