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btrfs: take an fs_info directly when the root is not used otherwise

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There are loads of functions in btrfs that accept a root parameter
but only use it to obtain an fs_info pointer.  Let's convert those to
just accept an fs_info pointer directly.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Jeff Mahoney
2016-06-22 18:54:24 -04:00
committed by David Sterba
parent afdb571890
commit 2ff7e61e0d
44 changed files with 1119 additions and 1243 deletions
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23
fs/btrfs/disk-io.h
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@@ -44,13 +44,14 @@ static inline u64 btrfs_sb_offset(int mirror)
struct btrfs_device;
struct btrfs_fs_devices;
struct extent_buffer *read_tree_block(struct btrfs_root *root, u64 bytenr,
u64 parent_transid);
void readahead_tree_block(struct btrfs_root *root, u64 bytenr);
int reada_tree_block_flagged(struct btrfs_root *root, u64 bytenr,
struct extent_buffer *read_tree_block(struct btrfs_fs_info *fs_info,
u64 bytenr, u64 parent_transid);
void readahead_tree_block(struct btrfs_fs_info *fs_info, u64 bytenr);
int reada_tree_block_flagged(struct btrfs_fs_info *fs_info, u64 bytenr,
int mirror_num, struct extent_buffer **eb);
struct extent_buffer *btrfs_find_create_tree_block(struct btrfs_root *root,
u64 bytenr);
struct extent_buffer *btrfs_find_create_tree_block(
struct btrfs_fs_info *fs_info,
u64 bytenr);
void clean_tree_block(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info, struct extent_buffer *buf);
int open_ctree(struct super_block *sb,
@@ -58,7 +59,7 @@ int open_ctree(struct super_block *sb,
char *options);
void close_ctree(struct btrfs_fs_info *fs_info);
int write_ctree_super(struct btrfs_trans_handle *trans,
struct btrfs_root *root, int max_mirrors);
struct btrfs_fs_info *fs_info, int max_mirrors);
struct buffer_head *btrfs_read_dev_super(struct block_device *bdev);
int btrfs_read_dev_one_super(struct block_device *bdev, int copy_num,
struct buffer_head **bh_ret);
@@ -83,8 +84,8 @@ btrfs_read_fs_root_no_name(struct btrfs_fs_info *fs_info,
}
int btrfs_cleanup_fs_roots(struct btrfs_fs_info *fs_info);
void btrfs_btree_balance_dirty(struct btrfs_root *root);
void btrfs_btree_balance_dirty_nodelay(struct btrfs_root *root);
void btrfs_btree_balance_dirty(struct btrfs_fs_info *fs_info);
void btrfs_btree_balance_dirty_nodelay(struct btrfs_fs_info *fs_info);
void btrfs_drop_and_free_fs_root(struct btrfs_fs_info *fs_info,
struct btrfs_root *root);
void btrfs_free_fs_root(struct btrfs_root *root);
@@ -134,9 +135,9 @@ int btrfs_init_log_root_tree(struct btrfs_trans_handle *trans,
int btrfs_add_log_tree(struct btrfs_trans_handle *trans,
struct btrfs_root *root);
void btrfs_cleanup_dirty_bgs(struct btrfs_transaction *trans,
struct btrfs_root *root);
struct btrfs_fs_info *fs_info);
void btrfs_cleanup_one_transaction(struct btrfs_transaction *trans,
struct btrfs_root *root);
struct btrfs_fs_info *fs_info);
struct btrfs_root *btrfs_create_tree(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info,
u64 objectid);