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Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 2 files:

Smatch caller information:

fs/btrfs/volumes.c btrfs_remove_chunk() -> check_system_chunk()

Type Parameter Key Value
PARAM_VALUE 0 trans 4096-ptr_max
PARAM_VALUE 0 trans->fs_info->chunk_mutex.dep_map->name 0-255
PARAM_VALUE 0 trans->fs_info->chunk_mutex.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 trans->fs_info->chunk_mutex.osq.tail.counter 0-s32max
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->fs_devices 4096-ptr_max
PARAM_VALUE 0 trans->fs_info->fs_devices->device_list_mutex.dep_map->name 0-255
PARAM_VALUE 0 trans->fs_info->fs_devices->device_list_mutex.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 trans->fs_info->fs_devices->device_list_mutex.osq.tail.counter 0-s32max
PARAM_VALUE 0 trans->fs_info->mapping_tree_lock.dep_map->name 0-255
PARAM_VALUE 0 trans->fs_info->ref_verify_lock.rlock.dep_map->name 0-255
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->removing_chunk 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 0 trans->transaction->pinned_extents.inode->delalloc_inodes.next->prev 4096-ptr_max
PARAM_VALUE 0 trans->transaction->pinned_extents.inode->root->delalloc_root.next->prev 4096-ptr_max
DATA_SOURCE 0 trans $0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &fs_info->chunk_mutex
HALF_LOCKED2 &fs_info->reclaim_bgs_lock
TYPE_LOCK (struct btrfs_fs_info)->chunk_mutex
TYPE_LOCK (struct btrfs_fs_info)->reclaim_bgs_lock

fs/btrfs/block-group.c btrfs_inc_block_group_ro() -> check_system_chunk()

Type Parameter Key Value
PARAM_VALUE 0 trans 4096-ptr_max
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->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
DATA_SOURCE 0 trans r btrfs_join_transaction
DATA_SOURCE 1 type r btrfs_get_alloc_profile
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &fs_info->chunk_mutex
LOCK2 &fs_info->ro_block_group_mutex
TYPE_LOCK (struct btrfs_fs_info)->chunk_mutex
TYPE_LOCK (struct btrfs_fs_info)->ro_block_group_mutex

fs/btrfs/block-group.c do_chunk_alloc() -> check_system_chunk()

Type Parameter Key Value
PARAM_VALUE 0 trans 4096-ptr_max
PARAM_VALUE 0 trans->allocating_chunk 1
PARAM_VALUE 0 trans->fs_info->chunk_mutex.dep_map->name 0-255
PARAM_VALUE 0 trans->fs_info->chunk_mutex.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 trans->fs_info->chunk_mutex.osq.tail.counter 0-s32max
PARAM_VALUE 0 trans->fs_info->chunk_mutex.wait_lock.dep_map->name 0-255
PARAM_VALUE 0 trans->fs_info->chunk_mutex.wait_lock.owner (-1)
PARAM_VALUE 0 trans->fs_info->chunk_mutex.wait_lock.owner_cpu u32max
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->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
BUF_SIZE 0 trans (-1),1-s32max
BUF_SIZE 0 trans (-1),1-s32max
DATA_SOURCE 0 trans $0
DATA_SOURCE 1 type $2
BIT_INFO 1 type 0x0,0xfffffffffffffffd
BIT_INFO 1 type 0x0,0xfffffffffffffffd
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &fs_info->chunk_mutex
HALF_LOCKED2 &fs_info->ro_block_group_mutex
TYPE_LOCK (struct btrfs_fs_info)->chunk_mutex