Defined in 1 files as a prototype:

Defined in 2 files as a function:

Referenced in 2 files:

Smatch caller information:

fs/btrfs/inode.c extent_range_clear_dirty_for_io() -> btrfs_check_folio_write_protected()

Type Parameter Key Value
PARAM_VALUE 0 folio 1-1025,1027-1029,1031-ptr_max
PARAM_VALUE 0 folio->mapping->i_mmap_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 folio->mapping->i_mmap_rwsem.first_waiter->type 0-1
PARAM_VALUE 0 *folio->_mm_id 0-4294967295
DATA_SOURCE 0 folio r filemap_get_folio
NOCHECK_CALL
HALF_LOCKED2 &pool->lock

fs/btrfs/inode.c run_delalloc_inline() -> btrfs_check_folio_write_protected()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
PARAM_VALUE 0 folio->mapping 4096-ptr_max
CAPPED_DATA 0 folio 1
CAPPED_DATA 0 folio->index 1
DATA_SOURCE 0 folio $1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 &mapping->invalidate_lock

fs/btrfs/extent_io.c extent_writepage_io() -> btrfs_check_folio_write_protected()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
PARAM_VALUE 0 folio->mapping->i_mmap_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 folio->mapping->i_mmap_rwsem.first_waiter->type 0-1
PARAM_VALUE 0 *folio->_mm_id 0-4294967295
CAPPED_DATA 0 folio 1
DATA_SOURCE 0 folio $1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL