gfs2: remove the unused sd_log_error field

Signed-off-by: NChristoph Hellwig <hch@lst.de>
Reviewed-by: NBart Van Assche <Bart.VanAssche@sandisk.com>
Signed-off-by: NJens Axboe <axboe@fb.com>

fs/gfs2/incore.h

@@ -815,7 +815,6 @@ struct gfs2_sbd {
 	atomic_t sd_log_in_flight;
 	struct bio *sd_log_bio;
 	wait_queue_head_t sd_log_flush_wait;
-	int sd_log_error;
 
 	atomic_t sd_reserving_log;
 	wait_queue_head_t sd_reserving_log_wait;

fs/gfs2/lops.c

@@ -209,10 +209,8 @@ static void gfs2_end_log_write(struct bio *bio)
 	struct page *page;
 	int i;
 
-	if (bio->bi_error) {
-		sdp->sd_log_error = bio->bi_error;
+	if (bio->bi_error)
 		fs_err(sdp, "Error %d writing to log\n", bio->bi_error);
-	}
 
 	bio_for_each_segment_all(bvec, bio, i) {
 		page = bvec->bv_page;