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btrfs: using btrfs_stack_device_id() get devid

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We can use btrfs_stack_device_id() to get dev_item->devid

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Xiao Guangrong 2010-01-06 11:48:18 +00:00 committed by Chris Mason
parent 91748467a5
commit a343832f1a
1 changed files with 3 additions and 3 deletions
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6
fs/btrfs/volumes.c
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@ -599,7 +599,7 @@ static int __btrfs_open_devices(struct btrfs_fs_devices *fs_devices,
goto error_close;
disk_super = (struct btrfs_super_block *)bh->b_data;
devid = le64_to_cpu(disk_super->dev_item.devid);
devid = btrfs_stack_device_id(&disk_super->dev_item);
if (devid != device->devid)
goto error_brelse;
@ -701,7 +701,7 @@ int btrfs_scan_one_device(const char *path, fmode_t flags, void *holder,
goto error_close;
}
disk_super = (struct btrfs_super_block *)bh->b_data;
devid = le64_to_cpu(disk_super->dev_item.devid);
devid = btrfs_stack_device_id(&disk_super->dev_item);
transid = btrfs_super_generation(disk_super);
if (disk_super->label[0])
printk(KERN_INFO "device label %s ", disk_super->label);
@ -1194,7 +1194,7 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path)
goto error_close;
}
disk_super = (struct btrfs_super_block *)bh->b_data;
devid = le64_to_cpu(disk_super->dev_item.devid);
devid = btrfs_stack_device_id(&disk_super->dev_item);
dev_uuid = disk_super->dev_item.uuid;
device = btrfs_find_device(root, devid, dev_uuid,
disk_super->fsid);