Module asynchronous

Structs

BlockAsync

Virtio device for exposing block level read/write operations on a host file.

DiskState 🔒

Tracks the state of an anynchronous disk.

WorkerSharedState 🔒

Disk state which can be modified by other worker threads

Enums

ControlError 🔒

Errors that happen in block outside of executing a request. This includes errors during resize and flush operations.

ExecuteError 🔒

LogLevel 🔒

WorkerCmd 🔒

Constants

DEFAULT_NUM_QUEUES 🔒

DEFAULT_QUEUE_SIZE 🔒

DISCARD_SECTOR_ALIGNMENT 🔒

ID_LEN 🔒

Maximum length of the virtio-block ID string field.

MAX_DISCARD_SECTORS 🔒

MAX_DISCARD_SEG 🔒

MAX_WRITE_ZEROES_SECTORS 🔒

MAX_WRITE_ZEROES_SEG 🔒

SECTOR_SHIFT 🔒

SECTOR_SIZE 🔒

Functions

flush_disk 🔒

Periodically flushes the disk when the given timer fires.

handle_command_tube 🔒

handle_queue 🔒

process_one_chain 🔒

Process one descriptor chain asynchronously.

process_one_request 🔒

resize 🔒

run_worker 🔒

Type Aliases

BlockId 🔒

Virtio block device identifier. This is an ASCII string terminated by a \0, unless all 20 bytes are used, in which case the \0 terminator is omitted.