Orange Pi5 kernel

Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards

3 Commits   0 Branches   0 Tags
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * Copyright (C) 2007 Oracle.  All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) #ifndef BTRFS_TRANSACTION_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) #define BTRFS_TRANSACTION_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include <linux/refcount.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include "btrfs_inode.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include "delayed-ref.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include "ctree.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) enum btrfs_trans_state {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) 	TRANS_STATE_RUNNING,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) 	TRANS_STATE_COMMIT_START,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) 	TRANS_STATE_COMMIT_DOING,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) 	TRANS_STATE_UNBLOCKED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) 	TRANS_STATE_COMPLETED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 	TRANS_STATE_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #define BTRFS_TRANS_HAVE_FREE_BGS	0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) #define BTRFS_TRANS_DIRTY_BG_RUN	1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) #define BTRFS_TRANS_CACHE_ENOSPC	2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) struct btrfs_transaction {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 	u64 transid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 	 * total external writers(USERSPACE/START/ATTACH) in this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 	 * transaction, it must be zero before the transaction is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 	 * being committed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 	atomic_t num_extwriters;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	 * total writers in this transaction, it must be zero before the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 	 * transaction can end
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	atomic_t num_writers;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	refcount_t use_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	/* Be protected by fs_info->trans_lock when we want to change it. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	enum btrfs_trans_state state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	int aborted;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	struct list_head list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	struct extent_io_tree dirty_pages;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	time64_t start_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	wait_queue_head_t writer_wait;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	wait_queue_head_t commit_wait;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	struct list_head pending_snapshots;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	struct list_head dev_update_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	struct list_head switch_commits;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	struct list_head dirty_bgs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	 * There is no explicit lock which protects io_bgs, rather its
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	 * consistency is implied by the fact that all the sites which modify
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	 * it do so under some form of transaction critical section, namely:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	 * - btrfs_start_dirty_block_groups - This function can only ever be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	 *   run by one of the transaction committers. Refer to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	 *   BTRFS_TRANS_DIRTY_BG_RUN usage in btrfs_commit_transaction
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	 * - btrfs_write_dirty_blockgroups - this is called by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	 *   commit_cowonly_roots from transaction critical section
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 	 *   (TRANS_STATE_COMMIT_DOING)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	 * - btrfs_cleanup_dirty_bgs - called on transaction abort
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	struct list_head io_bgs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	struct list_head dropped_roots;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	struct extent_io_tree pinned_extents;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	 * we need to make sure block group deletion doesn't race with
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	 * free space cache writeout.  This mutex keeps them from stomping
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	 * on each other
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	struct mutex cache_write_mutex;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	spinlock_t dirty_bgs_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	/* Protected by spin lock fs_info->unused_bgs_lock. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	struct list_head deleted_bgs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	spinlock_t dropped_roots_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	struct btrfs_delayed_ref_root delayed_refs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	struct btrfs_fs_info *fs_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	 * Number of ordered extents the transaction must wait for before
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	 * committing. These are ordered extents started by a fast fsync.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	atomic_t pending_ordered;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	wait_queue_head_t pending_wait;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) #define __TRANS_FREEZABLE	(1U << 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) #define __TRANS_START		(1U << 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) #define __TRANS_ATTACH		(1U << 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) #define __TRANS_JOIN		(1U << 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) #define __TRANS_JOIN_NOLOCK	(1U << 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) #define __TRANS_DUMMY		(1U << 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) #define __TRANS_JOIN_NOSTART	(1U << 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) #define TRANS_START		(__TRANS_START | __TRANS_FREEZABLE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) #define TRANS_ATTACH		(__TRANS_ATTACH)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) #define TRANS_JOIN		(__TRANS_JOIN | __TRANS_FREEZABLE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) #define TRANS_JOIN_NOLOCK	(__TRANS_JOIN_NOLOCK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) #define TRANS_JOIN_NOSTART	(__TRANS_JOIN_NOSTART)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) #define TRANS_EXTWRITERS	(__TRANS_START | __TRANS_ATTACH)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) #define BTRFS_SEND_TRANS_STUB	((void *)1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) #define BTRFS_DIO_SYNC_STUB	((void *)2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) struct btrfs_trans_handle {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	u64 transid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	u64 bytes_reserved;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	u64 chunk_bytes_reserved;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	unsigned long delayed_ref_updates;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	struct btrfs_transaction *transaction;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	struct btrfs_block_rsv *block_rsv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	struct btrfs_block_rsv *orig_rsv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	refcount_t use_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	unsigned int type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	 * Error code of transaction abort, set outside of locks and must use
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	 * the READ_ONCE/WRITE_ONCE access
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	short aborted;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	bool adding_csums;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	bool allocating_chunk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	bool can_flush_pending_bgs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	bool reloc_reserved;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	bool dirty;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	struct btrfs_root *root;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	struct btrfs_fs_info *fs_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	struct list_head new_bgs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)  * The abort status can be changed between calls and is not protected by locks.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)  * This accepts btrfs_transaction and btrfs_trans_handle as types. Once it's
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)  * set to a non-zero value it does not change, so the macro should be in checks
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)  * but is not necessary for further reads of the value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) #define TRANS_ABORTED(trans)		(unlikely(READ_ONCE((trans)->aborted)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) struct btrfs_pending_snapshot {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	struct dentry *dentry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	struct inode *dir;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	struct btrfs_root *root;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 	struct btrfs_root_item *root_item;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	struct btrfs_root *snap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	struct btrfs_qgroup_inherit *inherit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	struct btrfs_path *path;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 	/* block reservation for the operation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	struct btrfs_block_rsv block_rsv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	/* extra metadata reservation for relocation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	/* Preallocated anonymous block device number */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	dev_t anon_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	bool readonly;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	struct list_head list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) static inline void btrfs_set_inode_last_trans(struct btrfs_trans_handle *trans,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 					      struct btrfs_inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	spin_lock(&inode->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	inode->last_trans = trans->transaction->transid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	inode->last_sub_trans = inode->root->log_transid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	inode->last_log_commit = inode->last_sub_trans - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	spin_unlock(&inode->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179)  * Make qgroup codes to skip given qgroupid, means the old/new_roots for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)  * qgroup won't contain the qgroupid in it.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) static inline void btrfs_set_skip_qgroup(struct btrfs_trans_handle *trans,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 					 u64 qgroupid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	struct btrfs_delayed_ref_root *delayed_refs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	delayed_refs = &trans->transaction->delayed_refs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	WARN_ON(delayed_refs->qgroup_to_skip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	delayed_refs->qgroup_to_skip = qgroupid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) static inline void btrfs_clear_skip_qgroup(struct btrfs_trans_handle *trans)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	struct btrfs_delayed_ref_root *delayed_refs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	delayed_refs = &trans->transaction->delayed_refs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 	WARN_ON(!delayed_refs->qgroup_to_skip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 	delayed_refs->qgroup_to_skip = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) int btrfs_end_transaction(struct btrfs_trans_handle *trans);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) struct btrfs_trans_handle *btrfs_start_transaction(struct btrfs_root *root,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 						   unsigned int num_items);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) struct btrfs_trans_handle *btrfs_start_transaction_fallback_global_rsv(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 					struct btrfs_root *root,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 					unsigned int num_items);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) struct btrfs_trans_handle *btrfs_join_transaction(struct btrfs_root *root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) struct btrfs_trans_handle *btrfs_join_transaction_spacecache(struct btrfs_root *root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) struct btrfs_trans_handle *btrfs_join_transaction_nostart(struct btrfs_root *root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) struct btrfs_trans_handle *btrfs_attach_transaction(struct btrfs_root *root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) struct btrfs_trans_handle *btrfs_attach_transaction_barrier(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 					struct btrfs_root *root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) int btrfs_wait_for_commit(struct btrfs_fs_info *fs_info, u64 transid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) void btrfs_add_dead_root(struct btrfs_root *root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) int btrfs_defrag_root(struct btrfs_root *root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) int btrfs_clean_one_deleted_snapshot(struct btrfs_root *root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) int btrfs_commit_transaction(struct btrfs_trans_handle *trans);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) int btrfs_commit_transaction_async(struct btrfs_trans_handle *trans,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 				   int wait_for_unblock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) int btrfs_end_transaction_throttle(struct btrfs_trans_handle *trans);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) int btrfs_should_end_transaction(struct btrfs_trans_handle *trans);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) void btrfs_throttle(struct btrfs_fs_info *fs_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) int btrfs_record_root_in_trans(struct btrfs_trans_handle *trans,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 				struct btrfs_root *root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) int btrfs_write_marked_extents(struct btrfs_fs_info *fs_info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 				struct extent_io_tree *dirty_pages, int mark);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) int btrfs_wait_tree_log_extents(struct btrfs_root *root, int mark);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) int btrfs_transaction_blocked(struct btrfs_fs_info *info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) int btrfs_transaction_in_commit(struct btrfs_fs_info *info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) void btrfs_put_transaction(struct btrfs_transaction *transaction);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) void btrfs_apply_pending_changes(struct btrfs_fs_info *fs_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) void btrfs_add_dropped_root(struct btrfs_trans_handle *trans,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 			    struct btrfs_root *root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) void btrfs_trans_release_chunk_metadata(struct btrfs_trans_handle *trans);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) #endif