md: raid1: move 'offset' out of loop

The 'offset' local variable can't be changed inside the loop, so
move it out.

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Shaohua Li <shli@fb.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index d27b84666884..64bf2005f082 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1294,6 +1294,7 @@ static void raid1_write_request(struct mddev *mddev, struct bio *bio)
         int first_clone;
         int sectors_handled;
         int max_sectors;
+        sector_t offset;
 
         /*
          * Register the new request and wait if the reconstruction
@@ -1439,13 +1440,13 @@ static void raid1_write_request(struct mddev *mddev, struct bio *bio)
         atomic_set(&r1_bio->behind_remaining, 0);
 
         first_clone = 1;
+
+        offset = r1_bio->sector - bio->bi_iter.bi_sector;
         for (i = 0; i < disks; i++) {
                 struct bio *mbio = NULL;
-                sector_t offset;
                 if (!r1_bio->bios[i])
                         continue;
 
-                offset = r1_bio->sector - bio->bi_iter.bi_sector;
 
                 if (first_clone) {
                         /* do behind I/O ?