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linux-next/fs/ocfs2/super.h

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treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 145 Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 59 temple place suite 330 boston ma 021110 1307 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 84 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190524100844.756442981@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-24 18:04:05 +08:00
/* SPDX-License-Identifier: GPL-2.0-or-later */
[PATCH] OCFS2: The Second Oracle Cluster Filesystem The OCFS2 file system module. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com> Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
2005-12-16 06:31:24 +08:00
/* -*- mode: c; c-basic-offset: 8; -*-
* vim: noexpandtab sw=8 ts=8 sts=0:
*
* super.h
*
* Function prototypes
*
* Copyright (C) 2002, 2004 Oracle. All rights reserved.
*/
#ifndef OCFS2_SUPER_H
#define OCFS2_SUPER_H
treewide: use __printf not __attribute__((format(printf,...))) Standardize the style for compiler based printf format verification. Standardized the location of __printf too. Done via script and a little typing. $ grep -rPl --include=*.[ch] -w "__attribute__" * | \ grep -vP "^(tools|scripts|include/linux/compiler-gcc.h)" | \ xargs perl -n -i -e 'local $/; while (<>) { s/\b__attribute__\s*\(\s*\(\s*format\s*\(\s*printf\s*,\s*(.+)\s*,\s*(.+)\s*\)\s*\)\s*\)/__printf($1, $2)/g ; print; }' [akpm@linux-foundation.org: revert arch bits] Signed-off-by: Joe Perches <joe@perches.com> Cc: "Kirill A. Shutemov" <kirill@shutemov.name> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01 08:11:33 +08:00
__printf(3, 4)
ocfs2: add errors=continue OCFS2 is often used in high-availaibility systems. However, ocfs2 converts the filesystem to read-only at the drop of the hat. This may not be necessary, since turning the filesystem read-only would affect other running processes as well, decreasing availability. This attempt is to add errors=continue, which would return the EIO to the calling process and terminate furhter processing so that the filesystem is not corrupted further. However, the filesystem is not converted to read-only. As a future plan, I intend to create a small utility or extend fsck.ocfs2 to fix small errors such as in the inode. The input to the utility such as the inode can come from the kernel logs so we don't have to schedule a downtime for fixing small-enough errors. The patch changes the ocfs2_error to return an error. The error returned depends on the mount option set. If none is set, the default is to turn the filesystem read-only. Perhaps errors=continue is not the best option name. Historically it is used for making an attempt to progress in the current process itself. Should we call it errors=eio? or errors=killproc? Suggestions/Comments welcome. Sources are available at: https://github.com/goldwynr/linux/tree/error-cont Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com> Signed-off-by: Mark Fasheh <mfasheh@suse.de> Cc: Joel Becker <jlbec@evilplan.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-09-05 06:44:11 +08:00
int __ocfs2_error(struct super_block *sb, const char *function,
treewide: use __printf not __attribute__((format(printf,...))) Standardize the style for compiler based printf format verification. Standardized the location of __printf too. Done via script and a little typing. $ grep -rPl --include=*.[ch] -w "__attribute__" * | \ grep -vP "^(tools|scripts|include/linux/compiler-gcc.h)" | \ xargs perl -n -i -e 'local $/; while (<>) { s/\b__attribute__\s*\(\s*\(\s*format\s*\(\s*printf\s*,\s*(.+)\s*,\s*(.+)\s*\)\s*\)\s*\)/__printf($1, $2)/g ; print; }' [akpm@linux-foundation.org: revert arch bits] Signed-off-by: Joe Perches <joe@perches.com> Cc: "Kirill A. Shutemov" <kirill@shutemov.name> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01 08:11:33 +08:00
const char *fmt, ...);
ocfs2: use __attribute__ format Use the "format" attribute on ocfs2_error() and ocfs2_abort() so that the compiler will warn when we get calls to those functions wrong. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-03-04 02:18:58 +08:00
ocfs2: neaten do_error, ocfs2_error and ocfs2_abort These uses sometimes do and sometimes don't have '\n' terminations. Make the uses consistently use '\n' terminations and remove the newline from the functions. Miscellanea: o Coalesce formats o Realign arguments Signed-off-by: Joe Perches <joe@perches.com> Reviewed-by: Mark Fasheh <mfasheh@suse.de> Cc: Joel Becker <jlbec@evilplan.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-09-05 06:44:51 +08:00
#define ocfs2_error(sb, fmt, ...) \
__ocfs2_error(sb, __PRETTY_FUNCTION__, fmt, ##__VA_ARGS__)
[PATCH] OCFS2: The Second Oracle Cluster Filesystem The OCFS2 file system module. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com> Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
2005-12-16 06:31:24 +08:00
treewide: use __printf not __attribute__((format(printf,...))) Standardize the style for compiler based printf format verification. Standardized the location of __printf too. Done via script and a little typing. $ grep -rPl --include=*.[ch] -w "__attribute__" * | \ grep -vP "^(tools|scripts|include/linux/compiler-gcc.h)" | \ xargs perl -n -i -e 'local $/; while (<>) { s/\b__attribute__\s*\(\s*\(\s*format\s*\(\s*printf\s*,\s*(.+)\s*,\s*(.+)\s*\)\s*\)\s*\)/__printf($1, $2)/g ; print; }' [akpm@linux-foundation.org: revert arch bits] Signed-off-by: Joe Perches <joe@perches.com> Cc: "Kirill A. Shutemov" <kirill@shutemov.name> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01 08:11:33 +08:00
__printf(3, 4)
void __ocfs2_abort(struct super_block *sb, const char *function,
const char *fmt, ...);
ocfs2: use __attribute__ format Use the "format" attribute on ocfs2_error() and ocfs2_abort() so that the compiler will warn when we get calls to those functions wrong. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-03-04 02:18:58 +08:00
ocfs2: neaten do_error, ocfs2_error and ocfs2_abort These uses sometimes do and sometimes don't have '\n' terminations. Make the uses consistently use '\n' terminations and remove the newline from the functions. Miscellanea: o Coalesce formats o Realign arguments Signed-off-by: Joe Perches <joe@perches.com> Reviewed-by: Mark Fasheh <mfasheh@suse.de> Cc: Joel Becker <jlbec@evilplan.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-09-05 06:44:51 +08:00
#define ocfs2_abort(sb, fmt, ...) \
__ocfs2_abort(sb, __PRETTY_FUNCTION__, fmt, ##__VA_ARGS__)
[PATCH] OCFS2: The Second Oracle Cluster Filesystem The OCFS2 file system module. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com> Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
2005-12-16 06:31:24 +08:00
ocfs2: Wrap signal blocking in void functions. ocfs2 sometimes needs to block signals around dlm operations, but it currently does it with sigprocmask(). Even worse, it's checking the error code of sigprocmask(). The in-kernel sigprocmask() can only error if you get the SIG_* argument wrong. We don't. Wrap the sigprocmask() calls with ocfs2_[un]block_signals(). These functions are void, but they will BUG() if somehow sigprocmask() returns an error. Signed-off-by: Joel Becker <joel.becker@oracle.com>
2009-09-03 08:17:36 +08:00
/*
* Void signal blockers, because in-kernel sigprocmask() only fails
* when SIG_* is wrong.
*/
void ocfs2_block_signals(sigset_t *oldset);
void ocfs2_unblock_signals(sigset_t *oldset);
[PATCH] OCFS2: The Second Oracle Cluster Filesystem The OCFS2 file system module. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com> Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
2005-12-16 06:31:24 +08:00
#endif /* OCFS2_SUPER_H */
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