diff options
Diffstat (limited to 'fs/btrfs/disk-io.h')
| -rw-r--r-- | fs/btrfs/disk-io.h | 35 |
1 files changed, 12 insertions, 23 deletions
diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h index 301151a50ac1..1a3d277b027b 100644 --- a/fs/btrfs/disk-io.h +++ b/fs/btrfs/disk-io.h @@ -1,23 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2007 Oracle. All rights reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public - * License v2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public - * License along with this program; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 021110-1307, USA. */ -#ifndef __DISKIO__ -#define __DISKIO__ +#ifndef BTRFS_DISK_IO_H +#define BTRFS_DISK_IO_H #define BTRFS_SUPER_INFO_OFFSET SZ_64K #define BTRFS_SUPER_INFO_SIZE 4096 @@ -52,8 +39,9 @@ static inline u64 btrfs_sb_offset(int mirror) struct btrfs_device; struct btrfs_fs_devices; -struct extent_buffer *read_tree_block(struct btrfs_fs_info *fs_info, - u64 bytenr, u64 parent_transid); +struct extent_buffer *read_tree_block(struct btrfs_fs_info *fs_info, u64 bytenr, + u64 parent_transid, int level, + struct btrfs_key *first_key); 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); @@ -123,7 +111,8 @@ static inline void btrfs_put_fs_root(struct btrfs_root *root) void btrfs_mark_buffer_dirty(struct extent_buffer *buf); int btrfs_buffer_uptodate(struct extent_buffer *buf, u64 parent_transid, int atomic); -int btrfs_read_buffer(struct extent_buffer *buf, u64 parent_transid); +int btrfs_read_buffer(struct extent_buffer *buf, u64 parent_transid, int level, + struct btrfs_key *first_key); u32 btrfs_csum_data(const char *data, u32 seed, size_t len); void btrfs_csum_final(u32 crc, u8 *result); blk_status_t btrfs_bio_wq_end_io(struct btrfs_fs_info *info, struct bio *bio, @@ -131,9 +120,8 @@ blk_status_t btrfs_bio_wq_end_io(struct btrfs_fs_info *info, struct bio *bio, blk_status_t btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct bio *bio, int mirror_num, unsigned long bio_flags, u64 bio_offset, void *private_data, - extent_submit_bio_hook_t *submit_bio_start, - extent_submit_bio_hook_t *submit_bio_done); -unsigned long btrfs_async_submit_limit(struct btrfs_fs_info *info); + extent_submit_bio_start_t *submit_bio_start, + extent_submit_bio_done_t *submit_bio_done); int btrfs_write_tree_block(struct extent_buffer *buf); void btrfs_wait_tree_block_writeback(struct extent_buffer *buf); int btrfs_init_log_root_tree(struct btrfs_trans_handle *trans, @@ -154,7 +142,7 @@ struct extent_map *btree_get_extent(struct btrfs_inode *inode, int create); int btrfs_get_num_tolerated_disk_barrier_failures(u64 flags); int __init btrfs_end_io_wq_init(void); -void btrfs_end_io_wq_exit(void); +void __cold btrfs_end_io_wq_exit(void); #ifdef CONFIG_DEBUG_LOCK_ALLOC void btrfs_init_lockdep(void); @@ -168,4 +156,5 @@ static inline void btrfs_set_buffer_lockdep_class(u64 objectid, { } #endif + #endif |