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Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

fs/btrfs/free-space-cache.c add_new_bitmap() -> offset_to_bitmap()

Type Parameter Key Value
PARAM_VALUE 0 ctl 4096-ptr_max
PARAM_VALUE 0 ctl->block_group 4096-ptr_max
PARAM_VALUE 0 ctl->block_group->fs_info 4096-ptr_max
DATA_SOURCE 0 ctl $0
DATA_SOURCE 1 offset $2
NOSPEC 1 offset
NOSPEC 1 offset
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
USER_DATA 1 offset 1-8589934588[c]
NO_OVERFLOW_SIMPLE 1 offset
UNITS 1 offset unit_byte
LOCK2 0 &ctl->tree_lock
TYPE_LOCK (struct btrfs_free_space_ctl)->tree_lock

fs/btrfs/free-space-cache.c btrfs_remove_free_space() -> offset_to_bitmap()

Type Parameter Key Value
PARAM_VALUE 0 ctl 4096-ptr_max
PARAM_VALUE 0 ctl->block_group 4096-ptr_max
PARAM_VALUE 0 ctl->block_group->fs_info 4096-ptr_max
DATA_SOURCE 1 offset $1 [m]
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
UNITS 1 offset unit_byte
LOCK2 0 &ctl->tree_lock
TYPE_LOCK (struct btrfs_free_space_ctl)->tree_lock

fs/btrfs/free-space-cache.c btrfs_trim_block_group() -> offset_to_bitmap()

Type Parameter Key Value
CAPPED_DATA 1 offset 1
CAPPED_DATA 1 offset 1
DATA_SOURCE 1 offset $3
CAPABLE 0 21
UNITS 1 offset unit_byte

fs/btrfs/free-space-cache.c find_free_space() -> offset_to_bitmap()

Type Parameter Key Value
PARAM_VALUE 0 ctl 4096-ptr_max
DATA_SOURCE 0 ctl $0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE 1 offset
LOCK2 0 &ctl->tree_lock
HALF_LOCKED2 &space_info->groups_sem
TYPE_LOCK (struct btrfs_free_space_ctl)->tree_lock

fs/btrfs/free-space-cache.c insert_into_bitmap() -> offset_to_bitmap()

Type Parameter Key Value
PARAM_VALUE 0 ctl 4096-ptr_max
PARAM_VALUE 0 ctl->block_group 4096-ptr_max
PARAM_VALUE 0 ctl->block_group->fs_info 4096-ptr_max
DATA_SOURCE 0 ctl $0
NOSPEC 1 offset
NOSPEC 1 offset
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
USER_DATA 1 offset 1-6442450941[c]
NO_OVERFLOW_SIMPLE 1 offset
UNITS 1 offset unit_byte
LOCK2 &cluster->lock
LOCK2 0 &ctl->tree_lock
HALF_LOCKED2 &ctl->cache_writeout_mutex
TYPE_LOCK (struct btrfs_free_cluster)->lock
TYPE_LOCK (struct btrfs_free_space_ctl)->tree_lock

fs/btrfs/free-space-cache.c insert_into_bitmap() -> offset_to_bitmap()

Type Parameter Key Value
PARAM_VALUE 0 ctl 4096-ptr_max
PARAM_VALUE 0 ctl->block_group 4096-ptr_max
PARAM_VALUE 0 ctl->block_group->fs_info 4096-ptr_max
DATA_SOURCE 0 ctl $0
NOSPEC 1 offset
NOSPEC 1 offset
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
USER_DATA 1 offset 1-8589934588[c]
NO_OVERFLOW_SIMPLE 1 offset
UNITS 1 offset unit_byte
LOCK2 0 &ctl->tree_lock
HALF_LOCKED2 &ctl->cache_writeout_mutex
TYPE_LOCK (struct btrfs_free_space_ctl)->tree_lock

fs/btrfs/free-space-cache.c setup_cluster_bitmap() -> offset_to_bitmap()

Type Parameter Key Value
PARAM_VALUE 0 ctl 4096-ptr_max
PARAM_VALUE 0 ctl->block_group 4096-ptr_max
DATA_SOURCE 1 offset $3
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE 1 offset
UNITS 1 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 steal_from_bitmap_to_end() -> offset_to_bitmap()

Type Parameter Key Value
PARAM_VALUE 0 ctl 4096-ptr_max
PARAM_VALUE 0 ctl->block_group 4096-ptr_max
PARAM_VALUE 0 ctl->block_group->fs_info 4096-ptr_max
DATA_SOURCE 0 ctl $0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS 1 offset unit_byte
HALF_LOCKED2 &cluster->lock
HALF_LOCKED2 &ctl->tree_lock
HALF_LOCKED2 0 &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_bitmap()

Type Parameter Key Value
PARAM_VALUE 0 ctl 4096-ptr_max
PARAM_VALUE 0 ctl->block_group 4096-ptr_max
PARAM_VALUE 0 ctl->block_group->fs_info 4096-ptr_max
DATA_SOURCE 0 ctl $0
NOSPEC 1 offset
NOSPEC 1 offset
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
USER_DATA 1 offset 1-s32max[c]
NO_OVERFLOW_SIMPLE 1 offset
UNITS 1 offset unit_byte
HALF_LOCKED2 &cluster->lock
HALF_LOCKED2 &ctl->tree_lock
HALF_LOCKED2 0 &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_bitmap()

Type Parameter Key Value
PARAM_VALUE 0 ctl 4096-ptr_max
PARAM_VALUE 0 ctl->block_group 4096-ptr_max
PARAM_VALUE 0 ctl->block_group->fs_info 4096-ptr_max
CAPPED_DATA 1 offset 1
DATA_SOURCE 0 ctl $0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS 1 offset unit_byte
HALF_LOCKED2 &cluster->lock
HALF_LOCKED2 &ctl->tree_lock
HALF_LOCKED2 0 &ctl->tree_lock
TYPE_LOCK (struct btrfs_free_space_ctl)->tree_lock

fs/btrfs/free-space-cache.c test_add_free_space_entry() -> offset_to_bitmap()

Type Parameter Key Value
PARAM_VALUE 0 ctl 4096-ptr_max
PARAM_VALUE 0 ctl->block_group 4096-ptr_max
DATA_SOURCE 1 offset $1
PREEMPT_ADD <- disables preempt
LOCK2 0 &ctl->tree_lock
TYPE_LOCK (struct btrfs_free_space_ctl)->tree_lock

fs/btrfs/free-space-cache.c test_check_exists() -> offset_to_bitmap()

Type Parameter Key Value
PARAM_VALUE 0 ctl 4096-ptr_max
PARAM_VALUE 0 ctl->block_group 4096-ptr_max
PARAM_VALUE 0 ctl->block_group->fs_info 4096-ptr_max
DATA_SOURCE 1 offset $1
PREEMPT_ADD <- disables preempt
LOCK2 0 &ctl->tree_lock
TYPE_LOCK (struct btrfs_free_space_ctl)->tree_lock

fs/btrfs/free-space-cache.c trim_bitmaps() -> offset_to_bitmap()

Type Parameter Key Value
DATA_SOURCE 1 offset $2
NOSPEC 1 offset
NOSPEC 1 offset
USER_DATA 1 offset 1-18446744073709551614[c]
UNITS 1 offset unit_byte