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Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

fs/btrfs/ctree.c btrfs_force_cow_block() -> update_ref_for_cow()

Type Parameter Key Value
PARAM_VALUE 0 trans 4096-ptr_max
PARAM_VALUE 0 trans->fs_info->block_group_root->node->lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 trans->fs_info->block_group_root->node->lock.first_waiter->type 0-1
PARAM_VALUE 0 trans->fs_info->chunk_root->node->lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 trans->fs_info->chunk_root->node->lock.first_waiter->type 0-1
PARAM_VALUE 0 trans->fs_info->commit_root_sem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 trans->fs_info->commit_root_sem.first_waiter->type 0-1
PARAM_VALUE 0 trans->fs_info->dev_replace.rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 trans->fs_info->dev_replace.rwsem.first_waiter->type 0-1
PARAM_VALUE 0 trans->fs_info->dev_root->node->lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 trans->fs_info->dev_root->node->lock.first_waiter->type 0-1
PARAM_VALUE 0 trans->fs_info->quota_root->node->lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 trans->fs_info->quota_root->node->lock.first_waiter->type 0-1
PARAM_VALUE 0 trans->fs_info->remap_root->node->lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 trans->fs_info->remap_root->node->lock.first_waiter->type 0-1
PARAM_VALUE 0 trans->fs_info->sb->s_umount.first_waiter->handoff_set 0-1
PARAM_VALUE 0 trans->fs_info->sb->s_umount.first_waiter->type 0-1
PARAM_VALUE 0 trans->fs_info->stripe_root->node->lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 trans->fs_info->stripe_root->node->lock.first_waiter->type 0-1
PARAM_VALUE 0 trans->fs_info->transaction_kthread->sched_class->uclamp_enabled 0-1
PARAM_VALUE 0 trans->fs_info->tree_root->node->lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 trans->fs_info->tree_root->node->lock.first_waiter->type 0-1
PARAM_VALUE 0 trans->fs_info->uuid_root->node->lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 trans->fs_info->uuid_root->node->lock.first_waiter->type 0-1
PARAM_VALUE 0 trans->transaction->dirty_pages.inode->delalloc_inodes.next->prev 4096-ptr_max
PARAM_VALUE 0 trans->transaction->dirty_pages.inode->root->delalloc_root.next->prev 4096-ptr_max
PARAM_VALUE 1 root 4096-ptr_max
PARAM_VALUE 1 root->dirty_log_pages.inode->delalloc_inodes.next->prev 4096-ptr_max
PARAM_VALUE 1 root->dirty_log_pages.inode->root->delalloc_root.next->prev 4096-ptr_max
PARAM_VALUE 1 root->fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->fh_to_dentry 0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE 1 root->fs_info->commit_root_sem.first_waiter->handoff_set 0-1
PARAM_VALUE 1 root->fs_info->commit_root_sem.first_waiter->type 0-1
PARAM_VALUE 1 root->fs_info->running_transaction 4096-ptr_max
PARAM_VALUE 1 root->fs_info->sb->s_cop->inode_info_offs 1632,1720,1808,2632,2648,2712
PARAM_VALUE 1 root->fs_info->tree_root->node->lock.first_waiter->handoff_set 0-1
PARAM_VALUE 1 root->fs_info->tree_root->node->lock.first_waiter->type 0-1
PARAM_VALUE 1 root->node->lock.first_waiter->handoff_set 0-1
PARAM_VALUE 1 root->node->lock.first_waiter->type 0-1
PARAM_VALUE 2 buf 4096-ptr_max
PARAM_VALUE 2 buf->fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->fh_to_dentry 0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE 2 buf->lock.first_waiter->handoff_set 0-1
PARAM_VALUE 2 buf->lock.first_waiter->type 0-1
PARAM_VALUE 3 cow 4096-ptr_max
PARAM_VALUE 3 cow->fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->fh_to_dentry 0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE 3 cow->lock.first_waiter->list.next 2624917664208203776
PARAM_VALUE 3 cow->lock.first_waiter->list.prev 2624917664208203776
PARAM_VALUE 3 cow->lock.first_waiter->type 0-1
PARAM_VALUE 3 cow->log_index (-1)-1
PARAM_VALUE 4 last_ref 4846249734142214144
PARAM_VALUE 4 *last_ref 0
BUF_SIZE 0 trans (-1),1-s32max
BUF_SIZE 0 trans (-1),1-s32max
BUF_SIZE 0 trans->block_rsv (-1),120
BUF_SIZE 0 trans->pending_snapshot (-1),208
BUF_SIZE 1 root (-1),2888
BUF_SIZE 1 root (-1),2888
BUF_SIZE 2 buf (-1)-s32max
BUF_SIZE 2 buf (-1)-s32max
BUF_SIZE 3 cow (-1)-s32max
BUF_SIZE 3 cow (-1)-s32max
CAPPED_DATA 0 trans->transaction 1
CAPPED_DATA 0 trans->transid 1
CAPPED_DATA 1 root 1
CAPPED_DATA 2 buf 1
CAPPED_DATA 2 buf->len 1
CAPPED_DATA 3 cow 1
CAPPED_DATA 3 cow->len 1
DATA_SOURCE 0 trans $0
DATA_SOURCE 1 root $1
DATA_SOURCE 2 buf $2
DATA_SOURCE 3 cow r btrfs_alloc_tree_block
STR_LEN 0 trans (-1)-1010101
STR_LEN 0 trans (-1)-1010101
PARAM_COMPARE 2 buf->len == $3->len
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE 0 trans->fs_info->chunk_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE 0 trans->fs_info->chunk_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE 0 trans->fs_info->tree_root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE 0 trans->fs_info->tree_root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE 0 trans->transaction->dirty_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE 0 trans->transaction->dirty_pages.inode->vfs_inode.i_bytes
NO_OVERFLOW_SIMPLE 0 trans->transaction->dirty_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE 0 trans->transaction->pinned_extents.inode->disk_i_size
NO_OVERFLOW_SIMPLE 0 trans->transaction->pinned_extents.inode->vfs_inode.i_bytes
NO_OVERFLOW_SIMPLE 0 trans->transaction->pinned_extents.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE 1 root->alloc_bytenr
NO_OVERFLOW_SIMPLE 1 root->dirty_log_pages.inode->disk_i_size
NO_OVERFLOW_SIMPLE 1 root->dirty_log_pages.inode->vfs_inode.i_bytes
NO_OVERFLOW_SIMPLE 1 root->dirty_log_pages.inode->vfs_inode.i_size
NO_OVERFLOW_SIMPLE 1 root->log_csum_range.inode->vfs_inode.i_bytes
NO_OVERFLOW_SIMPLE 1 root->node->start
NO_OVERFLOW_SIMPLE 2 buf->len
NO_OVERFLOW_SIMPLE 2 buf->start
USER_PTR 0 trans->pending_snapshot->inherit
HALF_LOCKED2 0 &trans->fs_info->commit_root_sem
HALF_LOCKED2 0 &trans->fs_info->fs_devices->device_list_mutex
HALF_LOCKED2 0 &trans->fs_info->fs_roots_radix_lock
HALF_LOCKED2 0 &trans->fs_info->qgroup_ioctl_lock
HALF_LOCKED2 0 &trans->fs_info->qgroup_lock
HALF_LOCKED2 0 &trans->fs_info->unused_bg_unpin_mutex
HALF_LOCKED2 0 &trans->transaction->delayed_refs.lock
HALF_LOCKED2 2 &buf->lock