package qcow

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Parameters
Signature

qcow
- Qcow
  - Make
    
    B
    
    Config
    
    Debug
    
    Setting
    
    Stats
- Qcow_bitmap
  - Interval
  - Test
- Qcow_block_cache
  - Make
    
    B
- Qcow_cache
  - Debug
- Qcow_cluster_map
  - Available
  - Copies
  - Debug
  - Erased
  - Junk
  - Move
  - MutableSet
  - Roots
- Qcow_config
- Qcow_cstructs
  - BE
- Qcow_debug
- Qcow_diet
  - ELT
  - Make
    
    Elt
    
    Interval
  - Test
- Qcow_error
  - Lwt_error
    
    Infix
    
    List
  - Lwt_write_error
    
    Infix
- Qcow_header
- Qcow_int
  - IntervalSet
    
    Interval
- Qcow_int64
  - IntervalSet
    
    Interval
- Qcow_locks
  - Client
  - Debug
  - Read
  - Write
- Qcow_metadata
  - Physical
  - Refcounts
- Qcow_padded
  - Make
    
    B
- Qcow_physical
- Qcow_recycler
  - Make
    
    B
- Qcow_rwlock
  - Client
  - Debug
  - Read
  - Write
- Qcow_s
  - INTERVAL_SET
    
    Interval
  - LOG
  - NUM
  - PRINTABLE
  - RESIZABLE_BLOCK
  - SERIALISABLE
- Qcow_types
  - Cluster
    
    IntervalSet
    
    Interval
  - Int
    
    IntervalSet
    
    Interval
  - Int16
  - Int32
  - Int64
    
    IntervalSet
    
    Interval
  - Int8
- Qcow_virtual
- Qcow_word_size
  - Cluster
    
    IntervalSet
    
    Interval

Legend:
Library
Module
Module type
Parameter
Class
Class type

A block device which is padded with virtual zeroes so that reads beyond the current end don't fail.

Parameters

module B : Qcow_s.RESIZABLE_BLOCK

Signature

include Qcow_s.RESIZABLE_BLOCK with type t = B.t

include Mirage_block.S with type t = B.t

type error = private [>

| Mirage_device.error

]

val pp_error : error Fmt.t

type write_error = private [>

| `Disconnected
| `Is_read_only
| `Unimplemented

]

val pp_write_error : write_error Fmt.t

type t = B.t

val disconnect : t -> unit Lwt.t

val get_info : t -> Mirage_block.info Lwt.t

val read : t -> int64 -> Cstruct.t list -> (unit, error) Stdlib.result Lwt.t

val write : 
  t ->
  int64 ->
  Cstruct.t list ->
  (unit, write_error) Stdlib.result Lwt.t

val resize : t -> int64 -> (unit, write_error) Stdlib.result Lwt.t

Resize the file to the given number of sectors.

val flush : t -> (unit, write_error) Stdlib.result Lwt.t

flush t flushes any buffers, if the file has been opened in buffered mode