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authorXiao Guangrong <xiaoguangrong@cn.fujitsu.com>2010-01-06 11:48:18 +0000
committerChris Mason <chris.mason@oracle.com>2010-03-15 11:00:14 -0400
commita343832f1a55c74791a8a37053fc02ad80640710 (patch)
tree79e920025747703c06ba7a97e433a3ad307d80fe /fs/btrfs
parent91748467a5c5884e44ad5cf58630c0c28474f1f6 (diff)
downloadop-kernel-dev-a343832f1a55c74791a8a37053fc02ad80640710.zip
op-kernel-dev-a343832f1a55c74791a8a37053fc02ad80640710.tar.gz
btrfs: using btrfs_stack_device_id() get devid
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>
Diffstat (limited to 'fs/btrfs')
-rw-r--r--fs/btrfs/volumes.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index eb89e13..4053fc4 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -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);
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