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Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

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

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->ref_verify_lock.rlock.dep_map->name 0-255
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->delayed_refs.dirty_extents.xa_lock.rlock.dep_map->name 0-255
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 eb 4096-ptr_max
PARAM_VALUE 1 eb->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 eb->lock.first_waiter->list.next 2624917664208203776
PARAM_VALUE 1 eb->lock.first_waiter->list.prev 2624917664208203776
PARAM_VALUE 1 eb->lock.first_waiter->type 0-1
PARAM_VALUE 1 eb->log_index (-1)-1
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 eb (-1)-s32max
BUF_SIZE 1 eb (-1)-s32max
CAPPED_DATA 0 trans->transaction 1
CAPPED_DATA 0 trans->transid 1
CAPPED_DATA 1 eb 1
CAPPED_DATA 1 eb->len 1
DATA_SOURCE 0 trans $0
DATA_SOURCE 1 eb r btrfs_alloc_tree_block
STR_LEN 0 trans (-1)-1010101
STR_LEN 0 trans (-1)-1010101
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
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
USER_PTR 0 trans->pending_snapshot->inherit
HALF_LOCKED2 &buf->lock
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

fs/btrfs/ctree.c should_cow_block() -> btrfs_inhibit_eb_writeback()

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 1 eb 4096-ptr_max
PARAM_VALUE 1 eb->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 eb->lock.first_waiter->handoff_set 0-1
PARAM_VALUE 1 eb->lock.first_waiter->list.prev 2624917664208203776
PARAM_VALUE 1 eb->lock.first_waiter->type 0-1
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 eb (-1)-s32max
BUF_SIZE 1 eb (-1)-s32max
CAPPED_DATA 0 trans->transaction 1
CAPPED_DATA 0 trans->transid 1
DATA_SOURCE 0 trans $0
DATA_SOURCE 1 eb $2
STR_LEN 0 trans (-1)-1010101
STR_LEN 0 trans (-1)-1010101
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
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 eb->len
NO_OVERFLOW_SIMPLE 1 eb->start
USER_PTR 0 trans->pending_snapshot->inherit
HALF_LOCKED2 &fs_info->cleaner_mutex
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 1 &eb->lock