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Cheyenne Wills 8d4d197f0a Linux: Test for missing generic_file_splice_read 
In commit:
    'Linux 6.5: Replace generic_file_splice_read' (0e06eb78f2)
we check the version of Linux to determine to use the newer
filemap_splice_read() or the older generic_file_splice_read().

openSUSE 15.6 uses a Linux 6.4 kernel, but is also including the
Linux 6.5 commit:
    'splice: Remove generic_file_splice_read()' (c6585011bc)
When this commit included in Linux 6.4, the kernel module fails to
build.

In order to handle the case where Linux distributions are including the
(c6585011bc) commit in earlier kernels, we need to see if
generic_file_splice_read() is present; if not, we should use the newer
filemap_splice_read().

With the (0e06eb78f2) commit there was a preference for using
generic_file_splice_read() over filemap_splice_read() until Linux 6.5
(which contained additional updates surrounding filemap_splice_read()).
See the (0e06eb78f2) commit for additional details.

With this commit, we are still preferring generic_file_splice_read()
when it is available on kernels less than Linux 6.5.

Change-Id: Idfc75e474d4e21a9375ee115dad0929bad482e27
Reviewed-on: https://gerrit.openafs.org/15846
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Cheyenne Wills <cwills@sinenomine.net>
Reviewed-by: Andrew Deason <adeason@sinenomine.net>
Reviewed-by: Michael Meffie <mmeffie@sinenomine.net>
2024-09-16 12:32:16 -04:00
build-tools make-release: create SHA256 checksums too 2024-04-25 12:22:19 -04:00
doc doc: Add section 3 man pages to AdminRef 2024-09-13 13:26:31 -04:00
src Linux: Test for missing generic_file_splice_read 2024-09-16 12:32:16 -04:00
tests tests: Fix perl string concatenation spacing 2024-09-12 11:36:12 -04:00
.gitignore Remove alpha_dux/alpha_osf references 2018-09-22 17:05:26 -04:00
.gitreview Add .gitreview 2018-02-04 15:34:55 -05:00
.mailmap git: add a mailmap file 2016-09-25 21:05:23 -04:00
.splintrc start-splint-support-20030528 2003-05-28 19:18:08 +00:00
acinclude.m4 cf: Remove SRCDIR_PARENT 2024-08-19 09:41:11 -04:00
CODING Stop defining HC_DEPRECATED 2024-07-09 08:13:29 -04:00
configure-libafs.ac cf: Set CC before calling AC_PROG_CC 2024-07-02 13:13:45 -04:00
configure.ac build: Remove doc directory checks 2024-07-09 11:21:54 -04:00
CONTRIBUTING Correct our contributor's code of conduct 2020-09-04 10:01:28 -04:00
INSTALL INSTALL: Update AIX notes 2024-07-02 14:52:10 -04:00
libafsdep Move build support files into build-tools 2010-07-14 20:40:36 -07:00
LICENSE cf: Make local copy of ax_gcc_func_attribute.m4 2020-07-24 08:35:59 -04:00
Makefile-libafs.in Fix libafs_tree's cross-architecture support 2010-05-24 20:28:41 -07:00
Makefile.in build: Repair 'make pristine' target 2024-07-13 03:59:44 -04:00
NEWS Update NEWS for OpenAFS 1.9.1 2021-03-18 21:48:27 -04:00
NTMakefile Remove rpctestlib 2021-06-10 12:59:53 -04:00
README Tweak grammar in README 2015-12-28 19:32:17 -05:00
README-WINDOWS Update windows build documentation 2013-07-02 15:14:09 -07:00
regen.sh Use autoconf-archive m4 from src/external 2020-05-08 11:30:36 -04:00

README 

AFS is a distributed file system that enables users to share and
access all of the files stored in a network of computers as easily as
they access the files stored on their local machines. The file system is
called distributed for this exact reason: files can reside on many
different machines, but are available to users on every machine.

OpenAFS 1.0 was originally released by IBM under the terms of the
IBM Public License 1.0 (IPL10).  For details on IPL10 see the LICENSE
file in this directory.  The current OpenAFS distribution is licensed
under a combination of the IPL10 and many other licenses as granted by
the relevant copyright holders.  The LICENSE file in this directory
contains more details, thought it is not a comprehensive statement.

See INSTALL for information about building and installing OpenAFS
on various platforms.

See CODING for developer information and guidelines.

See NEWS for recent changes to OpenAFS.