Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
fs/btrfs/free-space-cache.c bitmap_clear_bits() -> offset_to_bit()
| Type | Parameter | Key | Value |
|---|---|---|---|
| CAPPED_DATA | 0 | bitmap_start | 1 |
| CAPPED_DATA | 0 | bitmap_start | 1 |
| DATA_SOURCE | 2 | offset | $2 |
| NOSPEC | 2 | offset | |
| NOSPEC | 2 | offset | |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 2 | offset | 1-s32max[c] |
| NO_OVERFLOW_SIMPLE | 0 | bitmap_start | |
| NO_OVERFLOW_SIMPLE | 2 | offset | |
| UNITS | 0 | bitmap_start | unit_byte |
| UNITS | 1 | unit | unit_byte |
| UNITS | 2 | offset | unit_byte |
| HALF_LOCKED2 | &caching_ctl->mutex | ||
| HALF_LOCKED2 | &cluster->lock | ||
| HALF_LOCKED2 | &cluster->refill_lock | ||
| HALF_LOCKED2 | &ctl->cache_writeout_mutex | ||
| HALF_LOCKED2 | &ctl->tree_lock | ||
| HALF_LOCKED2 | &fs_info->commit_root_sem | ||
| HALF_LOCKED2 | &pool->lock | ||
| HALF_LOCKED2 | &space_info->groups_sem | ||
| HALF_LOCKED2 | &tmp_ctl.tree_lock |
fs/btrfs/free-space-cache.c btrfs_bitmap_cluster() -> offset_to_bit()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 2 | offset | |
| UNITS | 0 | bitmap_start | unit_byte |
| UNITS | 1 | unit | unit_byte |
| UNITS | 2 | offset | unit_byte |
| LOCK2 | &cluster->lock | ||
| LOCK2 | &cluster->refill_lock | ||
| LOCK2 | &ctl->tree_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_free_space_ctl)->tree_lock | ||
| TYPE_LOCK | (struct btrfs_space_info)->groups_sem |
fs/btrfs/free-space-cache.c btrfs_bitmap_set_bits() -> offset_to_bit()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 2 | offset | $2 |
| NOSPEC | 2 | offset | |
| NOSPEC | 2 | offset | |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 2 | offset | 1-8589934588[c] |
| NO_OVERFLOW_SIMPLE | 2 | offset | |
| UNITS | 0 | bitmap_start | unit_byte |
| UNITS | 1 | unit | unit_byte |
| UNITS | 2 | offset | unit_byte |
| LOCK2 | &ctl->tree_lock | ||
| HALF_LOCKED2 | &cluster->lock | ||
| TYPE_LOCK | (struct btrfs_free_space_ctl)->tree_lock |
fs/btrfs/free-space-cache.c search_bitmap() -> offset_to_bit()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 0 | bitmap_start | |
| NO_OVERFLOW_SIMPLE | 2 | offset | |
| UNITS | 0 | bitmap_start | unit_byte |
| UNITS | 1 | unit | unit_byte |
| UNITS | 2 | offset | unit_byte |
| HALF_LOCKED2 | &caching_ctl->mutex | ||
| HALF_LOCKED2 | &cluster->lock | ||
| HALF_LOCKED2 | &cluster->refill_lock | ||
| HALF_LOCKED2 | &ctl->cache_writeout_mutex | ||
| HALF_LOCKED2 | &ctl->tree_lock | ||
| HALF_LOCKED2 | &fs_info->commit_root_sem | ||
| HALF_LOCKED2 | &pool->lock | ||
| HALF_LOCKED2 | &space_info->groups_sem | ||
| HALF_LOCKED2 | &tmp_ctl.tree_lock |
fs/btrfs/free-space-cache.c steal_from_bitmap_to_end() -> offset_to_bit()
| Type | Parameter | Key | Value |
|---|---|---|---|
| CAPPED_DATA | 0 | bitmap_start | 1 |
| CAPPED_DATA | 0 | bitmap_start | 1 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | bitmap_start | unit_byte |
| UNITS | 1 | unit | unit_byte |
| UNITS | 2 | offset | unit_byte |
| HALF_LOCKED2 | &cluster->lock | ||
| HALF_LOCKED2 | &ctl->tree_lock | ||
| HALF_LOCKED2 | &ctl->tree_lock | ||
| TYPE_LOCK | (struct btrfs_free_space_ctl)->tree_lock |
fs/btrfs/free-space-cache.c steal_from_bitmap_to_front() -> offset_to_bit()
| Type | Parameter | Key | Value |
|---|---|---|---|
| CAPPED_DATA | 0 | bitmap_start | 1 |
| CAPPED_DATA | 0 | bitmap_start | 1 |
| NOSPEC | 2 | offset | |
| NOSPEC | 2 | offset | |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 2 | offset | 1-s32max[c] |
| NO_OVERFLOW_SIMPLE | 2 | offset | |
| UNITS | 0 | bitmap_start | unit_byte |
| UNITS | 1 | unit | unit_byte |
| UNITS | 2 | offset | unit_byte |
| HALF_LOCKED2 | &cluster->lock | ||
| HALF_LOCKED2 | &ctl->tree_lock | ||
| HALF_LOCKED2 | &ctl->tree_lock | ||
| TYPE_LOCK | (struct btrfs_free_space_ctl)->tree_lock |