package qcow-types

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Minimal set of dependencies for qcow-stream, shared with qcow

Install

Dune Dependency

github.com Readme Changelog ISC License Edit opam file Versions (1)

Authors

D

David Scott

Maintainers

Sources

qcow-0.12.1.tbz

sha256=c799f3c2eda00b345d37ccd759bcd7b8be8744216b77a38883ff4cd99727ae37

sha512=2160598f460240f9580991e7f7d69e3ef83a2e6ec62268b711840d359cd303d4e14a5d65d89ceb82a6f77b434d06a01af9daa7780808a885f3307909c11dcfd8

doc/qcow-types/Qcow_metadata/index.html

Module `Qcow_metadata`Source

Sourcetype t

Qcow metadata: clusters containing references and clusters containing reference counts.

Sourcetype error = [

| Mirage_block.error
| `Msg of string

]

Sourcetype write_error = [

| Mirage_block.write_error
| `Msg of string

]

Source

val make : 
  cache:Qcow_cache.t ->
  cluster_bits:int ->
  locks:Qcow_locks.t ->
  unit ->
  t

Construct a qcow metadata structure given a set of cluster read/write/flush operations

Sourceval set_cluster_map : t -> Qcow_cluster_map.t -> unit

Set the associated cluster map (which will be updated on every cluster write)

Sourcetype contents

Sourcemodule Refcounts : sig ... end

Sourcemodule Physical : sig ... end

Sourceval erase : contents -> unit

Set the cluster contents to zeroes

Source

val read_and_lock : 
  ?client:Qcow_locks.Client.t ->
  t ->
  Qcow_types.Cluster.t ->
  (contents * Qcow_locks.lock, error) result Lwt.t

Source

val read : 
  ?client:Qcow_locks.Client.t ->
  t ->
  Qcow_types.Cluster.t ->
  (contents -> ('a, error) result Lwt.t) ->
  ('a, error) result Lwt.t

Read the contents of the given cluster and provide them to the given function

Source

val update : 
  ?client:Qcow_locks.Client.t ->
  t ->
  Qcow_types.Cluster.t ->
  (contents -> ('a, write_error) result Lwt.t) ->
  ('a, write_error) result Lwt.t

Read the contents of the given cluster, transform them through the given function and write the results back to disk

package qcow-types

Install

Dune Dependency

Authors

Maintainers

Sources

doc/qcow-types/Qcow_metadata/index.html

Module Qcow_metadataSource

Module `Qcow_metadata`Source