diff options
Diffstat (limited to 'volumes.c')
-rw-r--r-- | volumes.c | 16 |
1 files changed, 16 insertions, 0 deletions
@@ -1385,6 +1385,22 @@ struct btrfs_device *btrfs_find_device(struct btrfs_root *root, u64 devid, return NULL; } +struct btrfs_device *btrfs_find_device_by_devid(struct btrfs_root *root, + u64 devid, int instance) +{ + struct list_head *head = &root->fs_info->fs_devices->devices; + struct btrfs_device *dev; + struct list_head *cur; + int num_found = 0; + + list_for_each(cur, head) { + dev = list_entry(cur, struct btrfs_device, dev_list); + if (dev->devid == devid && num_found++ == instance) + return dev; + } + return NULL; +} + int btrfs_bootstrap_super_map(struct btrfs_mapping_tree *map_tree, struct btrfs_fs_devices *fs_devices) { |