Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
fs/btrfs/free-space-cache.c btrfs_alloc_from_bitmap() -> get_max_extent_size()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | entry | 4096-ptr_max |
| PARAM_VALUE | 0 | entry->bitmap | 1-u64max |
| DATA_SOURCE | 0 | entry | $2 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 0 | entry->offset | |
| LOCK2 | &cluster->lock | ||
| LOCK2 | &cluster->refill_lock | ||
| LOCK2 | &space_info->groups_sem | ||
| HALF_LOCKED2 | &cluster->block_group->data_rwsem | ||
| HALF_LOCKED2 | &fs_info->remap_mutex | ||
| HALF_LOCKED2 | &root->objectid_mutex | ||
| TYPE_LOCK | (struct btrfs_free_cluster)->lock | ||
| TYPE_LOCK | (struct btrfs_free_cluster)->refill_lock | ||
| TYPE_LOCK | (struct btrfs_space_info)->groups_sem |
fs/btrfs/free-space-cache.c btrfs_alloc_from_cluster() -> get_max_extent_size()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | entry | 4096-ptr_max |
| PARAM_VALUE | 0 | entry->bytes | 0-18446744073709551614 |
| CAPPED_DATA | 0 | entry->bytes | 1 |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 0 | entry->offset | |
| LOCK2 | &cluster->lock | ||
| LOCK2 | &cluster->refill_lock | ||
| LOCK2 | &space_info->groups_sem | ||
| HALF_LOCKED2 | &cluster->block_group->data_rwsem | ||
| HALF_LOCKED2 | &fs_info->remap_mutex | ||
| HALF_LOCKED2 | &root->objectid_mutex | ||
| TYPE_LOCK | (struct btrfs_free_cluster)->lock | ||
| TYPE_LOCK | (struct btrfs_free_cluster)->refill_lock | ||
| TYPE_LOCK | (struct btrfs_space_info)->groups_sem |
fs/btrfs/free-space-cache.c entry_less() -> get_max_extent_size()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | entry | 4096-ptr_max |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &entity->lock | ||
| HALF_LOCKED2 | &rq->lock | ||
| HALF_LOCKED2 | &task->pi_lock |
fs/btrfs/free-space-cache.c entry_less() -> get_max_extent_size()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | entry | 4096-ptr_max |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | entry | unit_byte |
| HALF_LOCKED2 | &entity->lock | ||
| HALF_LOCKED2 | &rq->lock | ||
| HALF_LOCKED2 | &task->pi_lock |
fs/btrfs/free-space-cache.c find_free_space() -> get_max_extent_size()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | entry | 4096-ptr_max |
| PARAM_VALUE | 0 | entry->bytes | 0-18446744073709551614 |
| CAPPED_DATA | 0 | entry->bytes | 1 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | entry | unit_byte |
| LOCK2 | &ctl->tree_lock | ||
| HALF_LOCKED2 | &space_info->groups_sem | ||
| TYPE_LOCK | (struct btrfs_free_space_ctl)->tree_lock |
fs/btrfs/free-space-cache.c find_free_space() -> get_max_extent_size()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | entry | 4096-ptr_max |
| PARAM_VALUE | 0 | entry->bytes | 0-18446744073709551614 |
| CAPPED_DATA | 0 | entry->bytes | 1 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | entry | unit_byte |
| LOCK2 | &ctl->tree_lock | ||
| HALF_LOCKED2 | &space_info->groups_sem | ||
| TYPE_LOCK | (struct btrfs_free_space_ctl)->tree_lock |
fs/btrfs/free-space-cache.c find_free_space() -> get_max_extent_size()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | entry | 4096-ptr_max |
| PARAM_VALUE | 0 | entry->bitmap | 1-u64max |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | entry | unit_byte |
| LOCK2 | &ctl->tree_lock | ||
| HALF_LOCKED2 | &space_info->groups_sem | ||
| TYPE_LOCK | (struct btrfs_free_space_ctl)->tree_lock |