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And fix related issues while at it.
Silence false positives with \&.
Reported-by: `make lint-man-semnl`
Signed-off-by: Alejandro Colomar <alx@kernel.org>
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Reported-by: Helge Kreutzmann <debian@helgefjell.de>
Signed-off-by: Alejandro Colomar <alx@kernel.org>
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Current version says that pread(2) and pwrite(2) only ever existed in
avr32 and blackfin archs, which were removed from kernel.
This is not true. pread(2) and pwrite(2) are present in modern Linux
for all archs. They were merely renamed to pread64(2) and pwrite64(2)
in Linux 2.6, as explained in big table in this manual page.
Signed-off-by: Askar Safin <safinaskar@zohomail.com>
Message-ID: <20250819161000.768159-3-safinaskar@zohomail.com>
Signed-off-by: Alejandro Colomar <alx@kernel.org>
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Scripted change:
$ grep -rl 'The authors of the Linux man-pages' \
| xargs sed -i '/Copyright, The authors of the Linux man-pages project/s/The/the/';
Reported-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Alejandro Colomar <alx@kernel.org>
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- Rename the file CREDITS => AUTHORS
- Say 'authors' in the copyright notice. Scripted change:
$ grep -rn 'The contributors to the Linux man-pages' -l \
| xargs sed -i '/Copyright, The contributors to the Linux man-pages project/s/contributors to/authors of/'
Suggested-by: Dave Martin <Dave.Martin@arm.com>
Acked-by: "G. Branden Robinson" <branden@debian.org>
Signed-off-by: Alejandro Colomar <alx@kernel.org>
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Link: <https://lore.kernel.org/linux-man/jpin2dbnp5vpitnh7l4qmvkamzq3h3xljzsznrudgioox3nn72@57uybxbe3h4p/T/#u>
Link: <https://www.linuxfoundation.org/blog/blog/copyright-notices-in-open-source-software-projects>
Cc: "G. Branden Robinson" <branden@debian.org>
Cc: Carlos O'Donell <carlos@redhat.com>
Cc: Eugene Syromyatnikov <evgsyr@gmail.com>
Signed-off-by: Alejandro Colomar <alx@kernel.org>
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While doing this global change, fix other minor issues found nearby.
Signed-off-by: Alejandro Colomar <alx@kernel.org>
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Reported-by: Helge Kreutzmann <debian@helgefjell.de>
Signed-off-by: Alejandro Colomar <alx@kernel.org>
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Prepare for `MR` macro migration.
Explicitly set the width of certain table columns so that they don't
change or cause "can't break line" warnings from troff(1) when the rows
are converted to use text blocks.
Signed-off-by: "G. Branden Robinson" <g.branden.robinson@gmail.com>
Message-ID: <20240831182045.kvhjjxbztnhudjga@illithid>
Signed-off-by: Alejandro Colomar <alx@kernel.org>
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There's no point documenting this syscall at any point in time,
because it changed constantly. A post-mortem summary I believe to be
comprehensive is included below.
The #include <sys/kdaemon.h> was removed in glibc 2.23:
commit eed3e1eb79bcfa9b52609fd875fa2d522e2d6bce
Author: Joseph Myers <joseph@codesourcery.com>
Date: Mon Dec 14 22:52:15 2015 +0000
Make obsolete syscall wrappers into compat symbols (bug 18472).
* bdflush: in Linux 2.6, does nothing if present.
[...]
generated for such aliases. Those five syscalls are then made into
compat symbols (obsoleted in glibc 2.23, so future ports won't have
these symbols at all), with the header <sys/kdaemon.h> declaring
bdflush being removed. When we move to 3.2 as minimum kernel version,
the same can be done for nfsservctl (removed in Linux 3.1) as well.
[...]
Appears in 1.1.3
(func=0 turns the calling process into the bdflush daemon,
func=1 return sync_old_buffers();,
func>=2 is parameters):
Author: Linus Torvalds <torvalds@linuxfoundation.org>
Import 1.1.3
+/* This is the interface to bdflush. As we get more sophisticated, we can
+ * pass tuning parameters to this "process", to adjust how it behaves. If you
+ * invoke this again after you have done this once, you would simply modify
+ * the tuning parameters. We would want to verify each parameter, however,
+ * to make sure that it is reasonable. */
+
+asmlinkage int sys_bdflush(int func, int data)
+{
bdflush() is just a kernel thread, and func 0 is just return 0; since 1.3.50:
Author: Linus Torvalds <torvalds@linuxfoundation.org>
Import 1.3.50
- /* Basically func 0 means start, 1 means read param 1, 2 means write param 1, etc */
+ /* Basically func 1 means read param 1, 2 means write param 1, etc */
if (func >= 2) {
i = (func-2) >> 1;
if (i < 0 || i >= N_PARAM)
@@ -1930,13 +1845,32 @@ asmlinkage int sys_bdflush(int func, long data)
bdf_prm.data[i] = data;
return 0;
};
+
+ /* Having func 0 used to launch the actual bdflush and then never
+ return (unless explicitly killed). We return zero here to
+ remain semi-compatible with present update(8) programs. */
+
+ return 0;
+}
+
+/* This is the actual bdflush daemon itself. It used to be started from
+ * the syscall above, but now we launch it ourselves internally with
+ * kernel_thread(...) directly after the first thread in init/main.c */
+
+int bdflush(void * unused) {
func 1 is actually exit(0) since 2.3.23pre1:
Author: Linus Torvalds <torvalds@linuxfoundation.org>
Import 2.3.23pre1
if (func == 1) {
+ /* do_exit directly and let kupdate to do its work alone. */
+ do_exit(0);
+#if 0 /* left here as it's the only example of lazy-mm-stuff used from
+ a syscall that doesn't care about the current mm context. */
fund!=0 is a return 0 since 2.5.12:
Author: Andrew Morton <akpm@zip.com.au>
Date: Mon Apr 29 23:52:10 2002 -0700
[PATCH] writeback from address spaces
[ I reversed the order in which writeback walks the superblock's
dirty inodes. It sped up dbench's unlink phase greatly. I'm
such a sleaze ]
The core writeback patch. Switches file writeback from the dirty
buffer LRU over to address_space.dirty_pages.
- The buffer LRU is removed
- The buffer hash is removed (uses blockdev pagecache lookups)
- The bdflush and kupdate functions are implemented against
address_spaces, via pdflush.
[...]
Deprecated since 2.5.52:
Author: Andrew Morton <akpm@digeo.com>
Date: Sat Dec 14 03:16:29 2002 -0800
[PATCH] deprecate use of bdflush()
Patch from Robert Love <rml@tech9.net>
We can never get rid of it if we do not deprecate it - so do so and
print a stern warning to those who still run bdflush daemons.
Removed outright in 5.15-rc1:
commit b48c7236b13cb5ef1b5fdf744aa8841df0f7b43a
Author: Eric W. Biederman <ebiederm@xmission.com>
Date: Tue Jun 29 15:11:44 2021 -0500
exit/bdflush: Remove the deprecated bdflush system call
The bdflush system call has been deprecated for a very long time.
Recently Michael Schmitz tested[1] and found that the last known
caller of of the bdflush system call is unaffected by it's removal.
Since the code is not needed delete it.
[1] https://lkml.kernel.org/r/36123b5d-daa0-6c2b-f2d4-a942f069fd54@gmail.com
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Message-ID: <ynknns52cczu2bxtazbmub3xxe62a2hajkod2qephnby5dqt7o@tarta.nabijaczleweli.xyz>
Signed-off-by: Alejandro Colomar <alx@kernel.org>
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This prevents rows breaking when they could just go further to the right
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Message-ID: <qruxkxy2wtmmaohagimcanhyoyfvmtzn3zmbasxqsgn5tvjfgc@tarta.nabijaczleweli.xyz>
Signed-off-by: Alejandro Colomar <alx@kernel.org>
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Migrate table entries from using font selection escape sequences to font
alternation macros to set man page cross references.
This change was automatically driven by the following sed(1) script.
$ cat fix-syscall-table-2.sed
\# Rewrite man page cross references on tbl(1) rows that precede text
\# blocks to themselves use text blocks, and convert them to use man(7)
\# macros instead of troff(1) font selection escape sequences (which
\# cannot be done outside a text block).
/^\.\\"/b
/^\\fB[^\\]*\\fP([0-9][a-z]*).*T{/s/\\fB\([^\\]*\)\\fP\(([0-9][a-z]*)\)\(.*\)/T{\
.BR \1 \2\
T}\3/
Signed-off-by: "G. Branden Robinson" <g.branden.robinson@gmail.com>
Message-ID: <20240727192752.hxxo4nl52qyskb2u@illithid>
Signed-off-by: Alejandro Colomar <alx@kernel.org>
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Migrate table entries from using font selection escape sequences to font
alternation macros to set man page cross references.
This change was automatically driven by the following sed(1) script.
$ cat fix-syscall-table-1.sed
\# Rewrite man page cross references inside tbl(1) text blocks to use
\# man(7) macros instead of troff(1) font selection escape sequences.
/^\.\\"/b
/T{$/,/^T}/s/ \\fB\([a-z0-9_][a-z0-9_]*\)\\fP\(([0-9][a-z]*)\) /\
.BR \1 \2\
/
Signed-off-by: "G. Branden Robinson" <g.branden.robinson@gmail.com>
Message-ID: <20240727192745.lt2oo34hw3limkls@illithid>
Signed-off-by: Alejandro Colomar <alx@kernel.org>
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This is a scripted change:
$ mkdir man/;
$ mv man* man/;
$ ln -st . man/man*;
$ find share/mk/ -type f \
| xargs grep -l '^MANDIR *:=' \
| xargs sed -i '/^MANDIR *:=/s,$,/man,';
$ find share/mk/dist/ -type f \
| xargs grep -l man \
| xargs sed -i 's,man%,man/%,g';
Link: <https://lore.kernel.org/linux-man/YxcV4h+Xn7cd6+q2@pevik/T/>
Cc: Petr Vorel <pvorel@suse.cz>
Cc: Jakub Wilk <jwilk@jwilk.net>
Cc: Stefan Puiu <stefan.puiu@gmail.com>
Signed-off-by: Alejandro Colomar <alx@kernel.org>
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This reverts commit 70ac1c4785fc1e158ab2349a962dba2526bf4fbc.
Link: <https://lore.kernel.org/linux-man/YxcV4h+Xn7cd6+q2@pevik/T/>
Reported-by: Petr Vorel <pvorel@suse.cz>
Reported-by: Jakub Wilk <jwilk@jwilk.net>
Cc: Stefan Puiu <stefan.puiu@gmail.com>
Signed-off-by: Alex Colomar <alx.manpages@gmail.com>
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The root of the repository is becoming a bit overpopulated and
unorganized, due to the recent addition of more mandirs, and more
informative and configuration files too. Let's create a specific
mandir <man/> that contains the mandirs <man[1-8]*>.
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
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