The calculation of ra->prev_pos can be simplified.
Signed-off-by: Liu Xiang <[email protected]>
---
mm/filemap.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/mm/filemap.c b/mm/filemap.c
index 9f5e323..7f30844 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -2279,9 +2279,7 @@ static ssize_t generic_file_buffered_read(struct kiocb *iocb,
would_block:
error = -EAGAIN;
out:
- ra->prev_pos = prev_index;
- ra->prev_pos <<= PAGE_SHIFT;
- ra->prev_pos |= prev_offset;
+ ra->prev_pos = (prev_index << PAGE_SHIFT) | prev_offset;
*ppos = ((loff_t)index << PAGE_SHIFT) + offset;
file_accessed(filp);
--
1.9.1