Add UNPLUG traces to all appropriate places

[mirror_ubuntu-bionic-kernel.git] / drivers / md / raid0.c

diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index b8216bc6db45122e038bef4d7ae02d37a01dc1b1..f8e591708d1fa7768fda354aa8da006b1f26d549 100644 (file)
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -35,31 +35,10 @@ static void raid0_unplug(struct request_queue *q)
        for (i=0; i<mddev->raid_disks; i++) {
                struct request_queue *r_queue = bdev_get_queue(devlist[i]->bdev);
 
-               if (r_queue->unplug_fn)
-                       r_queue->unplug_fn(r_queue);
+               blk_unplug(r_queue);
        }
 }
 
-static int raid0_issue_flush(struct request_queue *q, struct gendisk *disk,
-                            sector_t *error_sector)
-{
-       mddev_t *mddev = q->queuedata;
-       raid0_conf_t *conf = mddev_to_conf(mddev);
-       mdk_rdev_t **devlist = conf->strip_zone[0].dev;
-       int i, ret = 0;
-
-       for (i=0; i<mddev->raid_disks && ret == 0; i++) {
-               struct block_device *bdev = devlist[i]->bdev;
-               struct request_queue *r_queue = bdev_get_queue(bdev);
-
-               if (!r_queue->issue_flush_fn)
-                       ret = -EOPNOTSUPP;
-               else
-                       ret = r_queue->issue_flush_fn(r_queue, bdev->bd_disk, error_sector);
-       }
-       return ret;
-}
-
 static int raid0_congested(void *data, int bits)
 {
        mddev_t *mddev = data;
@@ -250,7 +229,6 @@ static int create_strip_zones (mddev_t *mddev)
 
        mddev->queue->unplug_fn = raid0_unplug;
 
-       mddev->queue->issue_flush_fn = raid0_issue_flush;
        mddev->queue->backing_dev_info.congested_fn = raid0_congested;
        mddev->queue->backing_dev_info.congested_data = mddev;
 
@@ -420,7 +398,7 @@ static int raid0_make_request (struct request_queue *q, struct bio *bio)
        const int rw = bio_data_dir(bio);
 
        if (unlikely(bio_barrier(bio))) {
-               bio_endio(bio, bio->bi_size, -EOPNOTSUPP);
+               bio_endio(bio, -EOPNOTSUPP);
                return 0;
        }
 
@@ -490,10 +468,10 @@ bad_map:
                " or bigger than %dk %llu %d\n", chunk_size, 
                (unsigned long long)bio->bi_sector, bio->bi_size >> 10);
 
-       bio_io_error(bio, bio->bi_size);
+       bio_io_error(bio);
        return 0;
 }
-                          
+
 static void raid0_status (struct seq_file *seq, mddev_t *mddev)
 {
 #undef MD_DEBUG
@@ -501,18 +479,18 @@ static void raid0_status (struct seq_file *seq, mddev_t *mddev)
        int j, k, h;
        char b[BDEVNAME_SIZE];
        raid0_conf_t *conf = mddev_to_conf(mddev);
-  
+
        h = 0;
        for (j = 0; j < conf->nr_strip_zones; j++) {
                seq_printf(seq, "      z%d", j);
                if (conf->hash_table[h] == conf->strip_zone+j)
-                       seq_printf("(h%d)", h++);
+                       seq_printf(seq, "(h%d)", h++);
                seq_printf(seq, "=[");
                for (k = 0; k < conf->strip_zone[j].nb_dev; k++)
-                       seq_printf (seq, "%s/", bdevname(
+                       seq_printf(seq, "%s/", bdevname(
                                conf->strip_zone[j].dev[k]->bdev,b));
 
-               seq_printf (seq, "] zo=%d do=%d s=%d\n",
+               seq_printf(seq, "] zo=%d do=%d s=%d\n",
                                conf->strip_zone[j].zone_offset,
                                conf->strip_zone[j].dev_offset,
                                conf->strip_zone[j].size);