1libnbd-release-notes-1.10(1) LIBNBD libnbd-release-notes-1.10(1)
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6 libnbd-release-notes-1.10 - release notes for libnbd 1.10
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9 These are the release notes for libnbd stable release 1.10. This
10 describes the major changes since 1.8.
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12 libnbd 1.10.0 was released on 23 September 2021.
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14 Security
15 There were no security bugs found in libnbd during this release cycle.
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17 If you find a security issue, please read SECURITY in the source
18 (online here: https://gitlab.com/nbdkit/libnbd/blob/master/SECURITY).
19 To find out about previous security issues in libnbd, see
20 libnbd-security(3).
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22 New APIs
23 No new APIs were added in 1.10.
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25 Enhancements to existing APIs
26 nbd_get_uri(3) no longer returns service names (eg.
27 "nbd://localhost:nbd"). Instead it always returns raw port numbers for
28 portability.
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30 nbd_connect_uri(3) now supports "tls-certificates=DIR" query parameter,
31 making it much easier to connect to servers using TLS with X.509
32 certificates. Also error messages from this API have been improved in
33 the case of some common URI user errors.
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35 Python "nbd.aio_connect" implements support for "AF_UNIX" sockets.
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37 Fix invalid use of "unsafe.Pointer" in Go bindings.
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39 Tools
40 nbdcopy(1) now uses a default request size of 2M (instead of 32M).
41 This default performs better in most cases.
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43 nbdinfo(1) has a new --map --totals mode which displays a summary of
44 the map. Also new --can and --is options let you test export
45 properties (eg. --is read-only).
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47 nbdinfo(1) --map option uses "data" instead of "allocated" because of
48 ambiguity about what "allocated" means (Eric Blake, Nir Soffer).
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50 nbdinfo(1) shows the export size in both bytes and human units (like
51 "1K"). The machine-parsable JSON output has not changed.
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53 nbdfuse(1) now supports efficient zeroing. Note this requires Linux
54 kernel ≥ 5.14.
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56 nbdsh(1) has new option -n which avoids creating the implicit handle
57 "h". Also new option -v which enables debugging. Also the initial
58 help banner is now context sensitive giving more relevant information
59 depending on how nbdsh was invoked.
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61 Tests
62 CI tests were greatly enhanced and many platform-specific fixes were
63 made. To view the latest CI tests and results see:
64 https://gitlab.com/nbdkit/libnbd/-/pipelines (Martin Kletzander).
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66 Tests now use the new "GLIBC_TUNABLES" feature, replacing
67 "MALLOC_CHECK_" on glibc ≥ 2.34 (thanks Eric Blake, Siddhesh
68 Poyarekar).
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70 Other improvements and bug fixes
71 The nbdcopy(1) progress bar should be displayed more accurately in
72 multithreaded mode.
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74 Documentation
75 nbd_connect(3) and nbd_aio_connect(3) documentation has been revised
76 and improved.
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78 More consistent option styling is used throughout the documentation.
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80 podwrapper.pl has been unified (almost) with the copy in nbdkit.
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82 Build
83 configure.ac now uses spaces consistently, and has been modernized to
84 support the latest autotools (Eric Blake).
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86 We now warn about large stack frames, and a few places which used large
87 stack frames have been fixed.
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89 Continue fuzzing using AFL++. Updated the fuzzing documentation.
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91 Fix building from git with --disable-ocaml. As long as only "ocamlc"
92 is installed, the generator should still be built and run (Martin
93 Kletzander).
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96 libnbd(3).
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99 Anson Lo
100 Eric Blake
101 Martin Kletzander
102 Richard W.M. Jones
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105 Copyright (C) 2021 Red Hat Inc.
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108 This library is free software; you can redistribute it and/or modify it
109 under the terms of the GNU Lesser General Public License as published
110 by the Free Software Foundation; either version 2 of the License, or
111 (at your option) any later version.
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113 This library is distributed in the hope that it will be useful, but
114 WITHOUT ANY WARRANTY; without even the implied warranty of
115 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
116 Lesser General Public License for more details.
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118 You should have received a copy of the GNU Lesser General Public
119 License along with this library; if not, write to the Free Software
120 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
121 02110-1301 USA
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125libnbd-1.10.1 2021-10-25 libnbd-release-notes-1.10(1)