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Documented in 1 files:

Defined in 1 files as a function:

Referenced in 3 files:

Smatch caller information:

fs/splice.c copy_splice_read() -> pipe_head_buf()

Type Parameter Key Value
PARAM_VALUE 0 pipe 4096-ptr_max
BUF_SIZE 0 pipe s32min-(-1),1-s32max
BUF_SIZE 0 pipe s32min-(-1),1-s32max
DATA_SOURCE 0 pipe $2
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE 0 pipe->max_usage
NO_OVERFLOW_SIMPLE 0 pipe->nr_accounted
NO_OVERFLOW_SIMPLE 0 pipe->ring_size

mm/shmem.c splice_zeropage_into_pipe() -> pipe_head_buf()

Type Parameter Key Value
PARAM_VALUE 0 pipe 4096-ptr_max
BUF_SIZE 0 pipe s32min-(-1),1-s32max
BUF_SIZE 0 pipe s32min-(-1),1-s32max
CAPPED_DATA 0 pipe->max_usage 1
DATA_SOURCE 0 pipe $0
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE 0 pipe->max_usage
NO_OVERFLOW_SIMPLE 0 pipe->nr_accounted
NO_OVERFLOW_SIMPLE 0 pipe->ring_size

mm/filemap.c splice_folio_into_pipe() -> pipe_head_buf()

Type Parameter Key Value
PARAM_VALUE 0 pipe 4096-ptr_max
BUF_SIZE 0 pipe s32min-(-1),1-s32max
BUF_SIZE 0 pipe s32min-(-1),1-s32max
CAPPED_DATA 0 pipe->max_usage 1
DATA_SOURCE 0 pipe $0
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE 0 pipe->max_usage
NO_OVERFLOW_SIMPLE 0 pipe->nr_accounted
NO_OVERFLOW_SIMPLE 0 pipe->ring_size