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Defined in 1 files as a function:

Referenced in 3 files:

Smatch caller information:

net/ceph/messenger_v2.c ceph_tcp_recv() -> iov_iter_is_discard()

Type Parameter Key Value
PARAM_VALUE 0 i 4096-ptr_max
LOCK2 &con->mutex
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct ceph_connection)->mutex

lib/iov_iter.c iov_iter_advance() -> iov_iter_is_discard()

Type Parameter Key Value
PARAM_VALUE 0 i 4096-ptr_max
PARAM_VALUE 0 i->iter_type 6-255
BUF_SIZE 0 i (-1),40
BUF_SIZE 0 i (-1),40
DATA_SOURCE 0 i $0
NOSPEC 0 i->count
NOSPEC 0 i->iov_offset
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 i->count 0-u64max[c]
HOST_DATA 0 i->iov_offset 0-u64max[c]
USER_DATA 0 i->count 0-u64max
USER_DATA 0 i->iov_offset 0-u64max[c]
HALF_LOCKED2 &cache_seg->gen_lock
HALF_LOCKED2 &cache_subtree->tree_lock
HALF_LOCKED2 &cmd->lock
HALF_LOCKED2 &inode->i_rwsem
HALF_LOCKED2 &nsock->tx_lock
HALF_LOCKED2 &queue->send_mutex
HALF_LOCKED2 &transport->recv_mutex
HALF_LOCKED2 &vq->mutex
HALF_LOCKED2 sk

lib/iov_iter.c iov_iter_revert() -> iov_iter_is_discard()

Type Parameter Key Value
PARAM_VALUE 0 i 4096-ptr_max
BUF_SIZE 0 i (-1),40
BUF_SIZE 0 i (-1),40
DATA_SOURCE 0 i $0
NOSPEC 0 i->count
NOSPEC 0 i->iov_offset
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 i->count 2-4294963199[c]
HOST_DATA 0 i->iov_offset 1-9223372036854775806[c]
USER_DATA 0 i->count 0-u64max
USER_DATA 0 i->iov_offset 0-u64max[c]
HALF_LOCKED2 &conn->srv_mutex
HALF_LOCKED2 &epdata->lock
HALF_LOCKED2 &inode->i_rwsem
HALF_LOCKED2 &of->mutex
HALF_LOCKED2 &server->_srv_mutex
HALF_LOCKED2 &tls_ctx->tx_lock
HALF_LOCKED2 &transport->recv_mutex
HALF_LOCKED2 &tty->atomic_write_lock
HALF_LOCKED2 &tty->ldisc_sem
HALF_LOCKED2 &vq->mutex
HALF_LOCKED2 sk
HALF_LOCKED2 sock->sk

net/core/datagram.c csum_and_copy_to_iter() -> iov_iter_is_discard()

Type Parameter Key Value
PARAM_VALUE 0 i 4096-ptr_max
DATA_SOURCE 0 i $3
NOSPEC 0 i->count
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 i->count 0-u64max
USER_DATA 0 i->iov_offset 0-u64max[c]