Merging upstream version 6.8.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 0 insertions, 148 deletions

diff --git a/man2/sync.2 b/man2/sync.2
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-.\" Copyright (c) 1992 Drew Eckhardt (drew@cs.colorado.edu), March 28, 1992
-.\" and Copyright (c) 2011 Michael Kerrisk <mtk.manpages@gmail.com>
-.\"
-.\" SPDX-License-Identifier: Linux-man-pages-copyleft
-.\"
-.\" Modified by Michael Haardt <michael@moria.de>
-.\" Modified Sat Jul 24 12:02:47 1993 by Rik Faith <faith@cs.unc.edu>
-.\" Modified 15 Apr 1995 by Michael Chastain <mec@shell.portal.com>:
-.\"   Added reference to `bdflush(2)'.
-.\" Modified 960414 by Andries Brouwer <aeb@cwi.nl>:
-.\"   Added the fact that since 1.3.20 sync actually waits.
-.\" Modified Tue Oct 22 22:27:07 1996 by Eric S. Raymond <esr@thyrsus.com>
-.\" Modified 2001-10-10 by aeb, following Michael Kerrisk.
-.\" 2011-09-07, mtk, Added syncfs() documentation,
-.\"
-.TH sync 2 2023-10-31 "Linux man-pages 6.7"
-.SH NAME
-sync, syncfs \- commit filesystem caches to disk
-.SH LIBRARY
-Standard C library
-.RI ( libc ", " \-lc )
-.SH SYNOPSIS
-.nf
-.B #include <unistd.h>
-.P
-.B void sync(void);
-.P
-.BI "int syncfs(int " fd );
-.fi
-.P
-.RS -4
-Feature Test Macro Requirements for glibc (see
-.BR feature_test_macros (7)):
-.RE
-.P
-.BR sync ():
-.nf
-    _XOPEN_SOURCE >= 500
-.\"    || _XOPEN_SOURCE && _XOPEN_SOURCE_EXTENDED
-        || /* Since glibc 2.19: */ _DEFAULT_SOURCE
-        || /* glibc <= 2.19: */ _BSD_SOURCE
-.fi
-.P
-.BR syncfs ():
-.nf
-    _GNU_SOURCE
-.fi
-.SH DESCRIPTION
-.BR sync ()
-causes all pending modifications to filesystem metadata and cached file
-data to be written to the underlying filesystems.
-.P
-.BR syncfs ()
-is like
-.BR sync (),
-but synchronizes just the filesystem containing file
-referred to by the open file descriptor
-.IR fd .
-.SH RETURN VALUE
-.BR syncfs ()
-returns 0 on success;
-on error, it returns \-1 and sets
-.I errno
-to indicate the error.
-.SH ERRORS
-.BR sync ()
-is always successful.
-.P
-.BR syncfs ()
-can fail for at least the following reasons:
-.TP
-.B EBADF
-.I fd
-is not a valid file descriptor.
-.TP
-.B EIO
-An error occurred during synchronization.
-This error may relate to data written to any file on the filesystem, or on
-metadata related to the filesystem itself.
-.TP
-.B ENOSPC
-Disk space was exhausted while synchronizing.
-.TP
-.B ENOSPC
-.TQ
-.B EDQUOT
-Data was written to a file on NFS or another filesystem which does not
-allocate space at the time of a
-.BR write (2)
-system call, and some previous write failed due to insufficient
-storage space.
-.SH VERSIONS
-According to the standard specification (e.g., POSIX.1-2001),
-.BR sync ()
-schedules the writes, but may return before the actual
-writing is done.
-However Linux waits for I/O completions,
-and thus
-.BR sync ()
-or
-.BR syncfs ()
-provide the same guarantees as
-.BR fsync ()
-called on every file in
-the system or filesystem respectively.
-.SH STANDARDS
-.TP
-.BR sync ()
-POSIX.1-2008.
-.TP
-.BR syncfs ()
-Linux.
-.SH HISTORY
-.TP
-.BR sync ()
-POSIX.1-2001, SVr4, 4.3BSD.
-.TP
-.BR syncfs ()
-Linux 2.6.39,
-glibc 2.14.
-.P
-Since glibc 2.2.2, the Linux prototype for
-.BR sync ()
-is as listed above,
-following the various standards.
-In glibc 2.2.1 and earlier,
-it was "int sync(void)", and
-.BR sync ()
-always returned 0.
-.P
-In mainline kernel versions prior to Linux 5.8,
-.BR syncfs ()
-will fail only when passed a bad file descriptor
-.RB ( EBADF ).
-Since Linux 5.8,
-.\" commit 735e4ae5ba28c886d249ad04d3c8cc097dad6336
-.BR syncfs ()
-will also report an error if one or more inodes failed
-to be written back since the last
-.BR syncfs ()
-call.
-.SH BUGS
-Before Linux 1.3.20, Linux did not wait for I/O to complete
-before returning.
-.SH SEE ALSO
-.BR sync (1),
-.BR fdatasync (2),
-.BR fsync (2)