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path: root/drivers/md/md-autodetect.c
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Diffstat (limited to 'drivers/md/md-autodetect.c')
-rw-r--r--drivers/md/md-autodetect.c21
1 files changed, 6 insertions, 15 deletions
diff --git a/drivers/md/md-autodetect.c b/drivers/md/md-autodetect.c
index 2cf973722f59..91836e6de326 100644
--- a/drivers/md/md-autodetect.c
+++ b/drivers/md/md-autodetect.c
@@ -125,7 +125,6 @@ static void __init md_setup_drive(struct md_setup_args *args)
char *devname = args->device_names;
dev_t devices[MD_SB_DISKS + 1], mdev;
struct mdu_array_info_s ainfo = { };
- struct block_device *bdev;
struct mddev *mddev;
int err = 0, i;
char name[16];
@@ -169,24 +168,16 @@ static void __init md_setup_drive(struct md_setup_args *args)
pr_info("md: Loading %s: %s\n", name, args->device_names);
- bdev = blkdev_get_by_dev(mdev, FMODE_READ, NULL);
- if (IS_ERR(bdev)) {
- pr_err("md: open failed - cannot start array %s\n", name);
+ mddev = md_alloc(mdev, name);
+ if (IS_ERR(mddev)) {
+ pr_err("md: md_alloc failed - cannot start array %s\n", name);
return;
}
- err = -EIO;
- if (WARN(bdev->bd_disk->fops != &md_fops,
- "Opening block device %x resulted in non-md device\n",
- mdev))
- goto out_blkdev_put;
-
- mddev = bdev->bd_disk->private_data;
-
err = mddev_lock(mddev);
if (err) {
pr_err("md: failed to lock array %s\n", name);
- goto out_blkdev_put;
+ goto out_mddev_put;
}
if (!list_empty(&mddev->disks) || mddev->raid_disks) {
@@ -230,8 +221,8 @@ static void __init md_setup_drive(struct md_setup_args *args)
pr_warn("md: starting %s failed\n", name);
out_unlock:
mddev_unlock(mddev);
-out_blkdev_put:
- blkdev_put(bdev, FMODE_READ);
+out_mddev_put:
+ mddev_put(mddev);
}
static int __init raid_setup(char *str)