disk-io.c (7b4397386fbdc606eb053bc2a1cfd985aea59916) disk-io.c (43eb5f2975848743e5b14c5bef20f40d404a7a04)
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (C) 2007 Oracle. All rights reserved.
4 */
5
6#include <linux/fs.h>
7#include <linux/blkdev.h>
8#include <linux/radix-tree.h>

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1206 refcount_set(&root->refs, 1);
1207 atomic_set(&root->will_be_snapshotted, 0);
1208 atomic_set(&root->snapshot_force_cow, 0);
1209 atomic_set(&root->nr_swapfiles, 0);
1210 root->log_transid = 0;
1211 root->log_transid_committed = -1;
1212 root->last_log_commit = 0;
1213 if (!dummy)
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (C) 2007 Oracle. All rights reserved.
4 */
5
6#include <linux/fs.h>
7#include <linux/blkdev.h>
8#include <linux/radix-tree.h>

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1206 refcount_set(&root->refs, 1);
1207 atomic_set(&root->will_be_snapshotted, 0);
1208 atomic_set(&root->snapshot_force_cow, 0);
1209 atomic_set(&root->nr_swapfiles, 0);
1210 root->log_transid = 0;
1211 root->log_transid_committed = -1;
1212 root->last_log_commit = 0;
1213 if (!dummy)
1214 extent_io_tree_init(fs_info, &root->dirty_log_pages, NULL);
1214 extent_io_tree_init(fs_info, &root->dirty_log_pages,
1215 IO_TREE_ROOT_DIRTY_LOG_PAGES, NULL);
1215
1216 memset(&root->root_key, 0, sizeof(root->root_key));
1217 memset(&root->root_item, 0, sizeof(root->root_item));
1218 memset(&root->defrag_progress, 0, sizeof(root->defrag_progress));
1219 if (!dummy)
1220 root->defrag_trans_start = fs_info->generation;
1221 else
1222 root->defrag_trans_start = 0;

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2136 * we set the i_size on the btree inode to the max possible int.
2137 * the real end of the address space is determined by all of
2138 * the devices in the system
2139 */
2140 inode->i_size = OFFSET_MAX;
2141 inode->i_mapping->a_ops = &btree_aops;
2142
2143 RB_CLEAR_NODE(&BTRFS_I(inode)->rb_node);
1216
1217 memset(&root->root_key, 0, sizeof(root->root_key));
1218 memset(&root->root_item, 0, sizeof(root->root_item));
1219 memset(&root->defrag_progress, 0, sizeof(root->defrag_progress));
1220 if (!dummy)
1221 root->defrag_trans_start = fs_info->generation;
1222 else
1223 root->defrag_trans_start = 0;

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2137 * we set the i_size on the btree inode to the max possible int.
2138 * the real end of the address space is determined by all of
2139 * the devices in the system
2140 */
2141 inode->i_size = OFFSET_MAX;
2142 inode->i_mapping->a_ops = &btree_aops;
2143
2144 RB_CLEAR_NODE(&BTRFS_I(inode)->rb_node);
2144 extent_io_tree_init(fs_info, &BTRFS_I(inode)->io_tree, inode);
2145 extent_io_tree_init(fs_info, &BTRFS_I(inode)->io_tree,
2146 IO_TREE_INODE_IO, inode);
2145 BTRFS_I(inode)->io_tree.track_uptodate = false;
2146 extent_map_tree_init(&BTRFS_I(inode)->extent_tree);
2147
2148 BTRFS_I(inode)->io_tree.ops = &btree_extent_io_ops;
2149
2150 BTRFS_I(inode)->root = fs_info->tree_root;
2151 memset(&BTRFS_I(inode)->location, 0, sizeof(struct btrfs_key));
2152 set_bit(BTRFS_INODE_DUMMY, &BTRFS_I(inode)->runtime_flags);

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2746 sb->s_blocksize_bits = blksize_bits(BTRFS_BDEV_BLOCKSIZE);
2747
2748 btrfs_init_btree_inode(fs_info);
2749
2750 spin_lock_init(&fs_info->block_group_cache_lock);
2751 fs_info->block_group_cache_tree = RB_ROOT;
2752 fs_info->first_logical_byte = (u64)-1;
2753
2147 BTRFS_I(inode)->io_tree.track_uptodate = false;
2148 extent_map_tree_init(&BTRFS_I(inode)->extent_tree);
2149
2150 BTRFS_I(inode)->io_tree.ops = &btree_extent_io_ops;
2151
2152 BTRFS_I(inode)->root = fs_info->tree_root;
2153 memset(&BTRFS_I(inode)->location, 0, sizeof(struct btrfs_key));
2154 set_bit(BTRFS_INODE_DUMMY, &BTRFS_I(inode)->runtime_flags);

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2748 sb->s_blocksize_bits = blksize_bits(BTRFS_BDEV_BLOCKSIZE);
2749
2750 btrfs_init_btree_inode(fs_info);
2751
2752 spin_lock_init(&fs_info->block_group_cache_lock);
2753 fs_info->block_group_cache_tree = RB_ROOT;
2754 fs_info->first_logical_byte = (u64)-1;
2755
2754 extent_io_tree_init(fs_info, &fs_info->freed_extents[0], NULL);
2755 extent_io_tree_init(fs_info, &fs_info->freed_extents[1], NULL);
2756 extent_io_tree_init(fs_info, &fs_info->freed_extents[0],
2757 IO_TREE_FS_INFO_FREED_EXTENTS0, NULL);
2758 extent_io_tree_init(fs_info, &fs_info->freed_extents[1],
2759 IO_TREE_FS_INFO_FREED_EXTENTS1, NULL);
2756 fs_info->pinned_extents = &fs_info->freed_extents[0];
2757 set_bit(BTRFS_FS_BARRIER, &fs_info->flags);
2758
2759 mutex_init(&fs_info->ordered_operations_mutex);
2760 mutex_init(&fs_info->tree_log_mutex);
2761 mutex_init(&fs_info->chunk_mutex);
2762 mutex_init(&fs_info->transaction_kthread_mutex);
2763 mutex_init(&fs_info->cleaner_mutex);

--- 1808 unchanged lines hidden --- 		2760 fs_info->pinned_extents = &fs_info->freed_extents[0];
2761 set_bit(BTRFS_FS_BARRIER, &fs_info->flags);
2762
2763 mutex_init(&fs_info->ordered_operations_mutex);
2764 mutex_init(&fs_info->tree_log_mutex);
2765 mutex_init(&fs_info->chunk_mutex);
2766 mutex_init(&fs_info->transaction_kthread_mutex);
2767 mutex_init(&fs_info->cleaner_mutex);

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