[PATCH] dm: add exports

[pandora-kernel.git] / drivers / md / linear.c

diff --git a/drivers/md/linear.c b/drivers/md/linear.c
index bb279fa..7775854 100644 (file)
--- a/drivers/md/linear.c
+++ b/drivers/md/linear.c
@@ -121,11 +121,10 @@ static int linear_run (mddev_t *mddev)
        sector_t curr_offset;
        struct list_head *tmp;
 
-       conf = kmalloc (sizeof (*conf) + mddev->raid_disks*sizeof(dev_info_t),
+       conf = kzalloc (sizeof (*conf) + mddev->raid_disks*sizeof(dev_info_t),
                        GFP_KERNEL);
        if (!conf)
                goto out;
-       memset(conf, 0, sizeof(*conf) + mddev->raid_disks*sizeof(dev_info_t));
        mddev->private = conf;
 
        cnt = 0;
@@ -271,6 +270,7 @@ static int linear_stop (mddev_t *mddev)
 
 static int linear_make_request (request_queue_t *q, struct bio *bio)
 {
+       const int rw = bio_data_dir(bio);
        mddev_t *mddev = q->queuedata;
        dev_info_t *tmp_dev;
        sector_t block;
@@ -280,13 +280,8 @@ static int linear_make_request (request_queue_t *q, struct bio *bio)
                return 0;
        }
 
-       if (bio_data_dir(bio)==WRITE) {
-               disk_stat_inc(mddev->gendisk, writes);
-               disk_stat_add(mddev->gendisk, write_sectors, bio_sectors(bio));
-       } else {
-               disk_stat_inc(mddev->gendisk, reads);
-               disk_stat_add(mddev->gendisk, read_sectors, bio_sectors(bio));
-       }
+       disk_stat_inc(mddev->gendisk, ios[rw]);
+       disk_stat_add(mddev->gendisk, sectors[rw], bio_sectors(bio));
 
        tmp_dev = which_dev(mddev, bio->bi_sector);
        block = bio->bi_sector >> 1;
@@ -356,9 +351,10 @@ static void linear_status (struct seq_file *seq, mddev_t *mddev)
 }
 
 
-static mdk_personality_t linear_personality=
+static struct mdk_personality linear_personality =
 {
        .name           = "linear",
+       .level          = LEVEL_LINEAR,
        .owner          = THIS_MODULE,
        .make_request   = linear_make_request,
        .run            = linear_run,
@@ -368,16 +364,18 @@ static mdk_personality_t linear_personality=
 
 static int __init linear_init (void)
 {
-       return register_md_personality (LINEAR, &linear_personality);
+       return register_md_personality (&linear_personality);
 }
 
 static void linear_exit (void)
 {
-       unregister_md_personality (LINEAR);
+       unregister_md_personality (&linear_personality);
 }
 
 
 module_init(linear_init);
 module_exit(linear_exit);
 MODULE_LICENSE("GPL");
-MODULE_ALIAS("md-personality-1"); /* LINEAR */
+MODULE_ALIAS("md-personality-1"); /* LINEAR - deprecated*/
+MODULE_ALIAS("md-linear");
+MODULE_ALIAS("md-level--1");