Defined in 1 files as a prototype:
Defined in 1 files as a function:
Referenced in 6 files:
- fs/btrfs/ctree.c
- fs/btrfs/defrag.c, line 400
- fs/btrfs/qgroup.c
- fs/btrfs/ref-verify.c, line 554
- fs/btrfs/relocation.c
- fs/btrfs/send.c, line 7331
Smatch caller information:
fs/btrfs/qgroup.c btrfs_qgroup_trace_subtree() -> btrfs_read_node_slot()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | parent | 4096-ptr_max |
| PARAM_VALUE | 0 | parent->lock.first_waiter->type | 0-1 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | &fs_info->cleaner_mutex | ||
| LOCK2 | &root_eb->lock | ||
| HALF_LOCKED2 | &next->lock | ||
| HALF_LOCKED2 | &node->lock | ||
| HALF_LOCKED2 | 0 | &parent->lock | |
| TYPE_LOCK | (struct btrfs_fs_info)->cleaner_mutex | ||
| TYPE_LOCK | (struct extent_buffer)->lock |
fs/btrfs/qgroup.c qgroup_trace_extent_swap() -> btrfs_read_node_slot()
| Type | Parameter | Key | Value |
|---|---|---|---|
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &eb->lock | ||
| HALF_LOCKED2 | &trans->fs_info->chunk_mutex | ||
| HALF_LOCKED2 | &trans->fs_info->commit_root_sem | ||
| HALF_LOCKED2 | &trans->fs_info->fs_devices->device_list_mutex | ||
| HALF_LOCKED2 | &trans->fs_info->fs_roots_radix_lock | ||
| HALF_LOCKED2 | &trans->fs_info->qgroup_ioctl_lock | ||
| HALF_LOCKED2 | &trans->fs_info->qgroup_lock | ||
| HALF_LOCKED2 | &trans->fs_info->remap_mutex | ||
| HALF_LOCKED2 | &trans->fs_info->unused_bg_unpin_mutex | ||
| HALF_LOCKED2 | &trans->transaction->cache_write_mutex | ||
| HALF_LOCKED2 | &trans->transaction->delayed_refs.lock |
fs/btrfs/qgroup.c qgroup_trace_new_subtree_blocks() -> btrfs_read_node_slot()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | parent | 4096-ptr_max |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &trans->fs_info->commit_root_sem | ||
| HALF_LOCKED2 | &trans->fs_info->fs_devices->device_list_mutex | ||
| HALF_LOCKED2 | &trans->fs_info->fs_roots_radix_lock | ||
| HALF_LOCKED2 | &trans->fs_info->qgroup_ioctl_lock | ||
| HALF_LOCKED2 | &trans->fs_info->qgroup_lock | ||
| HALF_LOCKED2 | &trans->fs_info->unused_bg_unpin_mutex | ||
| HALF_LOCKED2 | &trans->transaction->delayed_refs.lock |
fs/btrfs/relocation.c do_relocation() -> btrfs_read_node_slot()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | parent | 4096-ptr_max |
| PARAM_VALUE | 0 | parent->lock.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | parent->lock.first_waiter->type | 0-1 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | &fs_info->cleaner_mutex | ||
| HALF_LOCKED2 | &cow->lock | ||
| HALF_LOCKED2 | &eb->lock | ||
| HALF_LOCKED2 | &fs_info->reclaim_bgs_lock | ||
| TYPE_LOCK | (struct btrfs_fs_info)->cleaner_mutex | ||
| TYPE_LOCK | (struct btrfs_fs_info)->reclaim_bgs_lock |
fs/btrfs/relocation.c replace_path() -> btrfs_read_node_slot()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | parent | 4096-ptr_max |
| PARAM_VALUE | 0 | parent->lock.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | parent->lock.first_waiter->type | 0-1 |
| PARAM_VALUE | 0 | parent->lock.osq.tail.counter | 0-s32max |
| BUF_SIZE | 0 | parent | (-1)-s32max |
| BUF_SIZE | 0 | parent | (-1)-s32max |
| NO_OVERFLOW_SIMPLE | 0 | parent->len | |
| NO_OVERFLOW_SIMPLE | 0 | parent->start | |
| HALF_LOCKED2 | &cow->lock | ||
| HALF_LOCKED2 | &eb->lock |
fs/btrfs/relocation.c walk_down_reloc_tree() -> btrfs_read_node_slot()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | parent | 4096-ptr_max |
| PARAM_VALUE | 1 | slot | s32min-(-2),0-s32max |
fs/btrfs/defrag.c btrfs_realloc_node() -> btrfs_read_node_slot()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | parent | 4096-ptr_max |
| PARAM_VALUE | 1 | slot | 1-s32max |
| CAPPED_DATA | 1 | slot | 1 |
| DATA_SOURCE | 0 | parent | $2 |
| CAPABLE | 0 | 21 |
fs/btrfs/ref-verify.c walk_down_tree() -> btrfs_read_node_slot()
| Type | Parameter | Key | Value |
|---|---|---|---|
| HALF_LOCKED2 | &eb->lock |
fs/btrfs/ctree.c balance_level() -> btrfs_read_node_slot()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | parent | 1-u64max |
fs/btrfs/ctree.c balance_level() -> btrfs_read_node_slot()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | parent | 4096-ptr_max |
| PARAM_VALUE | 1 | slot | 1 |
| HALF_LOCKED2 | &cow->lock | ||
| HALF_LOCKED2 | &left->lock |
fs/btrfs/ctree.c btrfs_search_forward() -> btrfs_read_node_slot()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | parent | 4096-ptr_max |
| PARAM_VALUE | 0 | parent->lock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | parent->lock.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | parent->lock.first_waiter->list.next | 2212933610777083904 |
| PARAM_VALUE | 0 | parent->lock.first_waiter->list.prev | 2212933610777083904 |
| PARAM_VALUE | 0 | parent->lock.first_waiter->type | 0-1 |
| PARAM_VALUE | 1 | slot | s32min-(-2),0-s32max |
| CAPPED_DATA | 0 | parent | 1 |
| CAPPED_DATA | 1 | slot | 1 |
| HALF_LOCKED2 | &inode->vfs_inode.i_rwsem | ||
| HALF_LOCKED2 | 0 | &parent->lock |
fs/btrfs/ctree.c promote_child_to_root() -> btrfs_read_node_slot()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | parent | 4096-ptr_max |
| PARAM_VALUE | 1 | slot | 0 |
| DATA_SOURCE | 0 | parent | $4 |
fs/btrfs/ctree.c push_leaf_left() -> btrfs_read_node_slot()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | parent | 1-u64max |
| RX_PATH | |||
| TASK_NOT_RUNNING |
fs/btrfs/ctree.c push_leaf_right() -> btrfs_read_node_slot()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | parent | 4096-ptr_max |
| PARAM_VALUE | 1 | slot | (-2147483647)-(-1) |
| CAPPED_DATA | 1 | slot | 1 |
| RX_PATH | |||
| TASK_NOT_RUNNING |
fs/btrfs/ctree.c push_nodes_for_insert() -> btrfs_read_node_slot()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | parent | 1-u64max |
fs/btrfs/ctree.c push_nodes_for_insert() -> btrfs_read_node_slot()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | parent | 4096-ptr_max |
| PARAM_VALUE | 1 | slot | 1 |
| HALF_LOCKED2 | &cow->lock |
fs/btrfs/send.c tree_move_down() -> btrfs_read_node_slot()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | parent | 4096-ptr_max |