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btrfs: remove unused chunk_tree argument in several functions 

There functions include unused chunk_tree argument from the begining,
it is time to remove them and clean up relative code to prepare value
of this argument in caller.

Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
This commit is contained in:
Zhao Lei 2015-02-09 20:31:44 +08:00 committed by David Sterba
parent b9fd47cde5
commit a688a04aab
1 changed files with 6 additions and 14 deletions
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20
fs/btrfs/volumes.c
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@ -2487,8 +2487,7 @@ int btrfs_grow_device(struct btrfs_trans_handle *trans,
}
static int btrfs_free_chunk(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
u64 chunk_tree, u64 chunk_objectid,
struct btrfs_root *root, u64 chunk_objectid,
u64 chunk_offset)
{
int ret;
@ -2580,7 +2579,6 @@ int btrfs_remove_chunk(struct btrfs_trans_handle *trans,
struct map_lookup *map;
u64 dev_extent_len = 0;
u64 chunk_objectid = BTRFS_FIRST_CHUNK_TREE_OBJECTID;
u64 chunk_tree = root->fs_info->chunk_root->objectid;
int i, ret = 0;
/* Just in case */
@ -2634,8 +2632,7 @@ int btrfs_remove_chunk(struct btrfs_trans_handle *trans,
}
}
}
ret = btrfs_free_chunk(trans, root, chunk_tree, chunk_objectid,
chunk_offset);
ret = btrfs_free_chunk(trans, root, chunk_objectid, chunk_offset);
if (ret) {
btrfs_abort_transaction(trans, root, ret);
goto out;
@ -2664,8 +2661,8 @@ int btrfs_remove_chunk(struct btrfs_trans_handle *trans,
}
static int btrfs_relocate_chunk(struct btrfs_root *root,
u64 chunk_tree, u64 chunk_objectid,
u64 chunk_offset)
u64 chunk_objectid,
u64 chunk_offset)
{
struct btrfs_root *extent_root;
struct btrfs_trans_handle *trans;
@ -2707,7 +2704,6 @@ static int btrfs_relocate_sys_chunks(struct btrfs_root *root)
struct btrfs_chunk *chunk;
struct btrfs_key key;
struct btrfs_key found_key;
u64 chunk_tree = chunk_root->root_key.objectid;
u64 chunk_type;
bool retried = false;
int failed = 0;
@ -2744,7 +2740,7 @@ static int btrfs_relocate_sys_chunks(struct btrfs_root *root)
btrfs_release_path(path);
if (chunk_type & BTRFS_BLOCK_GROUP_SYSTEM) {
ret = btrfs_relocate_chunk(chunk_root, chunk_tree,
ret = btrfs_relocate_chunk(chunk_root,
found_key.objectid,
found_key.offset);
if (ret == -ENOSPC)
@ -3255,7 +3251,6 @@ static int __btrfs_balance(struct btrfs_fs_info *fs_info)
}
ret = btrfs_relocate_chunk(chunk_root,
chunk_root->root_key.objectid,
found_key.objectid,
found_key.offset);
if (ret && ret != -ENOSPC)
@ -3957,7 +3952,6 @@ int btrfs_shrink_device(struct btrfs_device *device, u64 new_size)
struct btrfs_dev_extent *dev_extent = NULL;
struct btrfs_path *path;
u64 length;
u64 chunk_tree;
u64 chunk_objectid;
u64 chunk_offset;
int ret;
@ -4027,13 +4021,11 @@ int btrfs_shrink_device(struct btrfs_device *device, u64 new_size)
break;
}
chunk_tree = btrfs_dev_extent_chunk_tree(l, dev_extent);
chunk_objectid = btrfs_dev_extent_chunk_objectid(l, dev_extent);
chunk_offset = btrfs_dev_extent_chunk_offset(l, dev_extent);
btrfs_release_path(path);
ret = btrfs_relocate_chunk(root, chunk_tree, chunk_objectid,
chunk_offset);
ret = btrfs_relocate_chunk(root, chunk_objectid, chunk_offset);
if (ret && ret != -ENOSPC)
goto done;
if (ret == -ENOSPC)