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authorNeilBrown <neilb@suse.de>2010-06-01 19:37:26 +1000
committerNeilBrown <neilb@suse.de>2010-07-26 12:52:27 +1000
commite8bb9a839a26f076379e9cb9f46a879d210156f1 (patch)
tree4da184e861cc5fea4967089711dfdc4fbb175f43 /drivers/md/md.c
parent676e42d896ab6967859fabbb06f4e11b9615cbcf (diff)
downloadlinux-next-e8bb9a839a26f076379e9cb9f46a879d210156f1.tar.gz
md: split out md_rdev_init
This functionality will be needed separately in a subsequent patch, so split it into it's own exported function. Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md/md.c')
-rw-r--r--drivers/md/md.c34
1 files changed, 19 insertions, 15 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index d636b0a40fac..3de623aceed0 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -2691,6 +2691,24 @@ static struct kobj_type rdev_ktype = {
.default_attrs = rdev_default_attrs,
};
+void md_rdev_init(mdk_rdev_t *rdev)
+{
+ rdev->desc_nr = -1;
+ rdev->saved_raid_disk = -1;
+ rdev->raid_disk = -1;
+ rdev->flags = 0;
+ rdev->data_offset = 0;
+ rdev->sb_events = 0;
+ rdev->last_read_error.tv_sec = 0;
+ rdev->last_read_error.tv_nsec = 0;
+ atomic_set(&rdev->nr_pending, 0);
+ atomic_set(&rdev->read_errors, 0);
+ atomic_set(&rdev->corrected_errors, 0);
+
+ INIT_LIST_HEAD(&rdev->same_set);
+ init_waitqueue_head(&rdev->blocked_wait);
+}
+EXPORT_SYMBOL_GPL(md_rdev_init);
/*
* Import a device. If 'super_format' >= 0, then sanity check the superblock
*
@@ -2714,6 +2732,7 @@ static mdk_rdev_t *md_import_device(dev_t newdev, int super_format, int super_mi
return ERR_PTR(-ENOMEM);
}
+ md_rdev_init(rdev);
if ((err = alloc_disk_sb(rdev)))
goto abort_free;
@@ -2723,18 +2742,6 @@ static mdk_rdev_t *md_import_device(dev_t newdev, int super_format, int super_mi
kobject_init(&rdev->kobj, &rdev_ktype);
- rdev->desc_nr = -1;
- rdev->saved_raid_disk = -1;
- rdev->raid_disk = -1;
- rdev->flags = 0;
- rdev->data_offset = 0;
- rdev->sb_events = 0;
- rdev->last_read_error.tv_sec = 0;
- rdev->last_read_error.tv_nsec = 0;
- atomic_set(&rdev->nr_pending, 0);
- atomic_set(&rdev->read_errors, 0);
- atomic_set(&rdev->corrected_errors, 0);
-
size = rdev->bdev->bd_inode->i_size >> BLOCK_SIZE_BITS;
if (!size) {
printk(KERN_WARNING
@@ -2763,9 +2770,6 @@ static mdk_rdev_t *md_import_device(dev_t newdev, int super_format, int super_mi
}
}
- INIT_LIST_HEAD(&rdev->same_set);
- init_waitqueue_head(&rdev->blocked_wait);
-
return rdev;
abort_free: