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| author | Nikolay Borisov <nborisov@suse.com> | 2017-07-27 14:37:29 +0300 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2017-08-21 17:47:42 +0200 |
| commit | 408fbf19ad78d8ab0656289efea77c10a342f043 (patch) | |
| tree | 603d9a3fbd49228770fa0d607e5d73bdab29bd28 /fs/btrfs | |
| parent | 0174484d619460a65e88f594c36983cd2b7f4128 (diff) | |
| download | linux-stable-408fbf19ad78d8ab0656289efea77c10a342f043.tar.gz linux-stable-408fbf19ad78d8ab0656289efea77c10a342f043.tar.bz2 linux-stable-408fbf19ad78d8ab0656289efea77c10a342f043.zip | |
btrfs: Remove extraneous chunk_objectid variable
BTRFS_FIRST_CHUNK_TREE_OBJECTIS id the only objectid being used in the
chunk_tree. So remove a variable which is always set to that value and collapse
its usage in callees which are passed this variable. No functional changes
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs')
| -rw-r--r-- | fs/btrfs/volumes.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 1df1044e9008..a37a31ba6843 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -2712,8 +2712,7 @@ int btrfs_grow_device(struct btrfs_trans_handle *trans, } static int btrfs_free_chunk(struct btrfs_trans_handle *trans, - struct btrfs_fs_info *fs_info, u64 chunk_objectid, - u64 chunk_offset) + struct btrfs_fs_info *fs_info, u64 chunk_offset) { struct btrfs_root *root = fs_info->chunk_root; int ret; @@ -2724,7 +2723,7 @@ static int btrfs_free_chunk(struct btrfs_trans_handle *trans, if (!path) return -ENOMEM; - key.objectid = chunk_objectid; + key.objectid = BTRFS_FIRST_CHUNK_TREE_OBJECTID; key.offset = chunk_offset; key.type = BTRFS_CHUNK_ITEM_KEY; @@ -2747,8 +2746,7 @@ out: return ret; } -static int btrfs_del_sys_chunk(struct btrfs_fs_info *fs_info, - u64 chunk_objectid, u64 chunk_offset) +static int btrfs_del_sys_chunk(struct btrfs_fs_info *fs_info, u64 chunk_offset) { struct btrfs_super_block *super_copy = fs_info->super_copy; struct btrfs_disk_key *disk_key; @@ -2781,7 +2779,7 @@ static int btrfs_del_sys_chunk(struct btrfs_fs_info *fs_info, ret = -EIO; break; } - if (key.objectid == chunk_objectid && + if (key.objectid == BTRFS_FIRST_CHUNK_TREE_OBJECTID && key.offset == chunk_offset) { memmove(ptr, ptr + len, array_size - (cur + len)); array_size -= len; @@ -2830,7 +2828,6 @@ int btrfs_remove_chunk(struct btrfs_trans_handle *trans, struct extent_map *em; struct map_lookup *map; u64 dev_extent_len = 0; - u64 chunk_objectid = BTRFS_FIRST_CHUNK_TREE_OBJECTID; int i, ret = 0; struct btrfs_fs_devices *fs_devices = fs_info->fs_devices; @@ -2886,7 +2883,7 @@ int btrfs_remove_chunk(struct btrfs_trans_handle *trans, } mutex_unlock(&fs_devices->device_list_mutex); - ret = btrfs_free_chunk(trans, fs_info, chunk_objectid, chunk_offset); + ret = btrfs_free_chunk(trans, fs_info, chunk_offset); if (ret) { btrfs_abort_transaction(trans, ret); goto out; @@ -2895,8 +2892,7 @@ int btrfs_remove_chunk(struct btrfs_trans_handle *trans, trace_btrfs_chunk_free(fs_info, map, chunk_offset, em->len); if (map->type & BTRFS_BLOCK_GROUP_SYSTEM) { - ret = btrfs_del_sys_chunk(fs_info, chunk_objectid, - chunk_offset); + ret = btrfs_del_sys_chunk(fs_info, chunk_offset); if (ret) { btrfs_abort_transaction(trans, ret); goto out; |