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| author |   Ilya Dryomov <idryomov@gmail.com> | 2013-08-12 14:33:01 +0300 |
|---|---|---|
| committer |   Chris Mason <chris.mason@fusionio.com> | 2013-09-01 08:16:03 -0400 |
| commit | 53f10659f9994df8efe788f82d3da78d48e650c5 (patch) | |
| tree | 897a1e95a990d0143b9850867fd7bf2c1649dfc8 /fs/btrfs | |
| parent | Btrfs: don't allow the replace procedure on read only filesystems (diff) | |
| download | linux-dev-53f10659f9994df8efe788f82d3da78d48e650c5.tar.xz linux-dev-53f10659f9994df8efe788f82d3da78d48e650c5.zip | |
Btrfs: find_next_devid: root -> fs_info
find_next_devid() knows which root to search, so it should take an
fs_info instead of an arbitrary root.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Diffstat (limited to 'fs/btrfs')
| -rw-r--r-- | fs/btrfs/volumes.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 75bdea6bf188..9b3595e370f8 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -1308,15 +1308,14 @@ static u64 find_next_chunk(struct btrfs_fs_info *fs_info) return ret; } -static noinline int find_next_devid(struct btrfs_root *root, u64 *objectid) +static noinline int find_next_devid(struct btrfs_fs_info *fs_info, + u64 *devid_ret) { int ret; struct btrfs_key key; struct btrfs_key found_key; struct btrfs_path *path; - root = root->fs_info->chunk_root; - path = btrfs_alloc_path(); if (!path) return -ENOMEM; @@ -1325,20 +1324,21 @@ static noinline int find_next_devid(struct btrfs_root *root, u64 *objectid) key.type = BTRFS_DEV_ITEM_KEY; key.offset = (u64)-1; - ret = btrfs_search_slot(NULL, root, &key, path, 0, 0); + ret = btrfs_search_slot(NULL, fs_info->chunk_root, &key, path, 0, 0); if (ret < 0) goto error; BUG_ON(ret == 0); /* Corruption */ - ret = btrfs_previous_item(root, path, BTRFS_DEV_ITEMS_OBJECTID, + ret = btrfs_previous_item(fs_info->chunk_root, path, + BTRFS_DEV_ITEMS_OBJECTID, BTRFS_DEV_ITEM_KEY); if (ret) { - *objectid = 1; + *devid_ret = 1; } else { btrfs_item_key_to_cpu(path->nodes[0], &found_key, path->slots[0]); - *objectid = found_key.offset + 1; + *devid_ret = found_key.offset + 1; } ret = 0; error: @@ -1974,7 +1974,7 @@ int btrfs_init_new_device(struct btrfs_root *root, char *device_path) } rcu_assign_pointer(device->name, name); - ret = find_next_devid(root, &device->devid); + ret = find_next_devid(root->fs_info, &device->devid); if (ret) { rcu_string_free(device->name); kfree(device); |