package mirage-block
Utilities and module definitions for dealing with block devices.
Install
Dune Dependency
Authors
Maintainers
Sources
mirage-block-1.1.0.tbz
sha256=c3bf54aa9eafb31a43d6c51c224b7334425d13e730d67190c01d3c647a01cf83
md5=e0ecf9f8ec64a70e4b514f477c6e7634
README.md.html
Block implementations for mirage
This repo contains generic operations over Mirage BLOCK
devices.
Please consult the API documentation.
Example usage
In a top-level like utop:
# #require "io-page.unix";;
# #require "mirage-block";;
# #require "mirage-block-ramdisk";;
# #require "lwt.syntax";;
# lwt t_or_error = Ramdisk.create ~name:"hello" ~size_sectors:1024L ~sector_size:512;;
val t_or_error : [ `Error of Ramdisk.error | `Ok of Ramdisk.t ] = `Ok <abstr>
# let t = Mirage_block.Error.ok_exn t_or_error;;
val t : Ramdisk.t = <abstr>
# let page = Io_page.(to_cstruct (get 1));;
val page : Ramdisk.page_aligned_buffer =
{Cstruct.buffer = <abstr>; off = 0; len = 4096}
# lwt result_or_error = Ramdisk.read t 0L [ page ];;
val result_or_error : [ `Error of Ramdisk.error | `Ok of unit ] = `Ok ()
# lwt ok_or_error = Mirage_block.sparse_copy (module Ramdisk) t (module Ramdisk) t;;
val ok_or_error :
[ `Error of [> `Different_sizes | `Is_read_only | `Msg of bytes ]
| `Ok of unit ] = `Ok ()
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