Commit a0231804 authored by Josef Bacik's avatar Josef Bacik Committed by David Sterba
Browse files

btrfs: move extent-tree helpers into their own header file 



Move all the extent tree related prototypes to extent-tree.h out of
ctree.h, and then go include it everywhere needed so everything
compiles.

Signed-off-by: default avatarJosef Bacik <josef@toxicpanda.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent e2f13b34

fs/btrfs/backref.c

+1 −0
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ 
#include "tree-mod-log.h"

#include "fs.h"

#include "accessors.h"

#include "extent-tree.h"



/* Just arbitrary numbers so we can be sure one of these happened. */

#define BACKREF_FOUND_SHARED     6

fs/btrfs/block-group.c

+1 −0
Original line number Diff line number Diff line
@@ -19,6 +19,7 @@ 
#include "zoned.h"

#include "fs.h"

#include "accessors.h"

#include "extent-tree.h"



#ifdef CONFIG_BTRFS_DEBUG

int btrfs_should_fragment_free_space(struct btrfs_block_group *block_group)

fs/btrfs/ctree.c

+1 −0
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ 
#include "tree-checker.h"

#include "fs.h"

#include "accessors.h"

#include "extent-tree.h"



static struct kmem_cache *btrfs_path_cachep;

fs/btrfs/ctree.h

+0 −72
Original line number Diff line number Diff line
@@ -495,78 +495,6 @@ static inline gfp_t btrfs_alloc_write_mask(struct address_space *mapping) 
	return mapping_gfp_constraint(mapping, ~__GFP_FS);

}



/* extent-tree.c */



enum btrfs_inline_ref_type {

	BTRFS_REF_TYPE_INVALID,

	BTRFS_REF_TYPE_BLOCK,

	BTRFS_REF_TYPE_DATA,

	BTRFS_REF_TYPE_ANY,

};



int btrfs_get_extent_inline_ref_type(const struct extent_buffer *eb,

				     struct btrfs_extent_inline_ref *iref,

				     enum btrfs_inline_ref_type is_data);

u64 hash_extent_data_ref(u64 root_objectid, u64 owner, u64 offset);





int btrfs_add_excluded_extent(struct btrfs_fs_info *fs_info,

			      u64 start, u64 num_bytes);

void btrfs_free_excluded_extents(struct btrfs_block_group *cache);

int btrfs_run_delayed_refs(struct btrfs_trans_handle *trans,

			   unsigned long count);

void btrfs_cleanup_ref_head_accounting(struct btrfs_fs_info *fs_info,

				  struct btrfs_delayed_ref_root *delayed_refs,

				  struct btrfs_delayed_ref_head *head);

int btrfs_lookup_data_extent(struct btrfs_fs_info *fs_info, u64 start, u64 len);

int btrfs_lookup_extent_info(struct btrfs_trans_handle *trans,

			     struct btrfs_fs_info *fs_info, u64 bytenr,

			     u64 offset, int metadata, u64 *refs, u64 *flags);

int btrfs_pin_extent(struct btrfs_trans_handle *trans, u64 bytenr, u64 num,

		     int reserved);

int btrfs_pin_extent_for_log_replay(struct btrfs_trans_handle *trans,

				    u64 bytenr, u64 num_bytes);

int btrfs_exclude_logged_extents(struct extent_buffer *eb);

int btrfs_cross_ref_exist(struct btrfs_root *root,

			  u64 objectid, u64 offset, u64 bytenr, bool strict,

			  struct btrfs_path *path);

struct extent_buffer *btrfs_alloc_tree_block(struct btrfs_trans_handle *trans,

					     struct btrfs_root *root,

					     u64 parent, u64 root_objectid,

					     const struct btrfs_disk_key *key,

					     int level, u64 hint,

					     u64 empty_size,

					     enum btrfs_lock_nesting nest);

void btrfs_free_tree_block(struct btrfs_trans_handle *trans,

			   u64 root_id,

			   struct extent_buffer *buf,

			   u64 parent, int last_ref);

int btrfs_alloc_reserved_file_extent(struct btrfs_trans_handle *trans,

				     struct btrfs_root *root, u64 owner,

				     u64 offset, u64 ram_bytes,

				     struct btrfs_key *ins);

int btrfs_alloc_logged_file_extent(struct btrfs_trans_handle *trans,

				   u64 root_objectid, u64 owner, u64 offset,

				   struct btrfs_key *ins);

int btrfs_reserve_extent(struct btrfs_root *root, u64 ram_bytes, u64 num_bytes,

			 u64 min_alloc_size, u64 empty_size, u64 hint_byte,

			 struct btrfs_key *ins, int is_data, int delalloc);

int btrfs_inc_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root,

		  struct extent_buffer *buf, int full_backref);

int btrfs_dec_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root,

		  struct extent_buffer *buf, int full_backref);

int btrfs_set_disk_extent_flags(struct btrfs_trans_handle *trans,

				struct extent_buffer *eb, u64 flags, int level);

int btrfs_free_extent(struct btrfs_trans_handle *trans, struct btrfs_ref *ref);



int btrfs_free_reserved_extent(struct btrfs_fs_info *fs_info,

			       u64 start, u64 len, int delalloc);

int btrfs_pin_reserved_extent(struct btrfs_trans_handle *trans, u64 start,

			      u64 len);

int btrfs_finish_extent_commit(struct btrfs_trans_handle *trans);

int btrfs_inc_extent_ref(struct btrfs_trans_handle *trans,

			 struct btrfs_ref *generic_ref);



int btrfs_subvolume_reserve_metadata(struct btrfs_root *root,

				     struct btrfs_block_rsv *rsv,

				     int nitems, bool use_global_rsv);

fs/btrfs/disk-io.c

+1 −0
Original line number Diff line number Diff line
@@ -45,6 +45,7 @@ 
#include "subpage.h"

#include "fs.h"

#include "accessors.h"

#include "extent-tree.h"



#define BTRFS_SUPER_FLAG_SUPP	(BTRFS_HEADER_FLAG_WRITTEN |\

				 BTRFS_HEADER_FLAG_RELOC |\