mirage-block-unix

MirageOS disk block driver for Unix
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Manual
  • Raise an exception on connect if the file is not aligned to the sector_size (#117, @reynir)

  • Demote log to debug when an error is returned (#119 @reynir, fixes #109)

  • Remove io-page dependency (#118 @hannesm)

  • Add GitHub actions for testing on macos and windows (retire Appveyor)

v2.14.1 (2022-06-15)

  • Ensure compatibility with OCaml 5.0, after uerror change (ocaml/ocaml#10926) (#115, @dra27)

v2.14.0 (2022-04-07)

  • OCaml 5.00 support (#112, @Sudha247)

  • Remove io-page.unix dependency, require io-page >= 2.4.0 (#114 @hannesm)

v2.13.0 (2022-01-16)

  • Add a configuration field for the size of sectors (#106, @Julow, @hannesm, @dinosaure)

  • Update to cstruct.6.0.0 (#108, @MisterDA, @dinosaure)

  • Depends on io-page.unix instead of io-page-unix (@dinosaure)

v2.12.1 (2020-07-19)

  • Fix stress test in environments without O_DIRECT (#103 @kit-ty-kate)

v2.12.0 (2019-10-30)

  • Adapt to mirage-block 2.0.0 interface changes (#99 @hannesm)

  • Fix opam file (#84 @djs55)

  • Fix testsuite bitrot (#99 @hannesm)

v2.11.2 (2019-05-11)

  • Fix test use of io-page-unix to work with io-page>2.0.0 (@avsm)

  • Remove unnecessary opam dependencies and refine ppx_sexp_conv one (@avsm)

v2.11.1 (2019-03-10)

  • Fix some warnings in dev mode (#94 @emillon)

  • Clarify documentation about behaviour of discard (#95 @g2p)

  • Use modern cstruct-lwt ocamlfind name (#96 @g2p)

v2.11.0 (2019-02-03)

  • Port build to Dune from jbuilder (#93 @avsm)

  • Update opam metadata to 2.0 format (#92 @avsm @jonludlam)

  • Use dune-release instead of topkg (#93 @avsm)

  • Ocamldoc fixes for odoc support (#93 @avsm)

  • Fix build on older macOS (#90 @djs55)

v2.10.0 (2018-06-11)

  • Add support for discard (also known as TRIM)

  • Add support for resize on Windows

v2.9.0 (2017-12-07)

  • Add support for flock file locking

v2.8.4 (2017-11-25)

  • opam: add lower bound on uri.1.9.0

  • fix build with appveyor

  • fix build with OCaml 4.06 (and -safe-string)

v2.8.3 (2017-07-05)

  • Use latest cstruct-lwt linkage.

  • Minimum OCaml version now 4.03.0 in line with rest of MirageOS.

  • Modernise jbuilder+topkg workflow.

v2.8.2 (2017-05-22)

  • Link to cstruct.lwt correctly, fixing the 2.8.1 fix.

v2.8.1 (2017-05-19)

  • Link to lwt.unix correctly, regressed in jbuilder port (report by @dim)

  • Remove duplicated entries from opam file.

  • Modernise the Travis OS build matrix and test OCaml 4.04.0/1 as well.

v2.8.0 (2017-05-16)

  • switch to buffered I/O by default

  • better support for unbuffered I/O for non-512 byte sectors

  • for files which are not a whole number of sectors, pad with virtual zeroes

  • switch to jbuilder

  • add a Dockerfile

v2.7.0 (2017-02-19)

  • add a simple file copy benchmark

  • add bindings for readv, writev

  • cache the file offset and avoid unnecessary calls to lseek

v2.6.0 (2017-02-13)

  • allow fsync to be used in preference to fcntl for flushing on macOS

v2.5.0 (2017-01-17)

  • use MirageOS 3 error scheme & new dependencies; drop support for earlier versions

v2.4.0 (21-Sept-2016)

  • add optional arguments with safe defaults to Block.connect.

  • add a new Block.Config.t containing configuration parameters,
    serialisation and deserialisation

  • fix appveyor build by removing cygwin curl

v2.3.0 (2-Aug-2016)

  • use fcntl(F_FULLFSYNC) on OSX rather than plain fsync

  • add linux-headers depext for alpine

  • hold the mutex around ftruncate while updating size_sectors

  • hold the mutex around bounds checks

  • require cstruct >= 1.3.0

v2.2.0 (3-Mar-2016)

  • Add basic Win32 support, tested via appveyor

  • Use logs library

  • Check buffers have proper lengths in read and write

v2.1.0 (9-Nov-2015)

  • Add Block.resize to resize file-backed devices

  • Unit tests now work on OSX

  • opam file improvements

  • fail on read/write attempts after last sector

  • add Block.flush for when operating in buffered mode

  • add support for sparseness via Block.seek_mapped and Block.seek_unmapped

v2.0.0 (27-Mar-2015):

  • Incompatible API change: Block.blkgetsize takes an extra argument (a file descriptor)

  • Support NetBSD through DIOCGMEDIASIZE

  • Support rumprun by avoiding re-opening files, instead we use file descriptors internally

v1.2.2 (07-Mar-2015)

  • Expose an explicit connect function in the interface signature. (#20)

  • Modernise Travis scripts with centralised ones.

  • Add local opam file for OPAM 1.2 workflow.

v1.2.1 (01-Feb-2014)

  • Update to new io-page{,.unix} ocamlfind structure

v1.2.0 (18-Dec-2013)

  • Fix a serious race condition exposed when multiple threads access
    the same block device

  • Block.connect: open in buffered mode if the filename has prefix "buffered:".
    The default is still to use unbuffered (like mirage-block-xen)

v1.1.0 (16-Dec-2013)

  • Expose the blkgetsize function in the external signature.

  • Regenerate build files with OASIS 0.4.0

v1.0.0 (08-Dec-2013)

  • depend on mirage-types-0.4.0+

  • catch low-level I/O errors and return an `Error

  • Reformat with ocp-indent to deal with the outrageously large monitors that Citrix use.

0.1.1 (2-Dec-2013)

  • add missing file

0.1.0 (1-Dec-2013)

  • import first version of block driver from ocaml-fat