Release 4.11 fs/gfs2/util.c
/*
* Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
* Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU General Public License version 2.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/spinlock.h>
#include <linux/completion.h>
#include <linux/buffer_head.h>
#include <linux/crc32.h>
#include <linux/gfs2_ondisk.h>
#include <linux/uaccess.h>
#include "gfs2.h"
#include "incore.h"
#include "glock.h"
#include "util.h"
struct kmem_cache *gfs2_glock_cachep __read_mostly;
struct kmem_cache *gfs2_glock_aspace_cachep __read_mostly;
struct kmem_cache *gfs2_inode_cachep __read_mostly;
struct kmem_cache *gfs2_bufdata_cachep __read_mostly;
struct kmem_cache *gfs2_rgrpd_cachep __read_mostly;
struct kmem_cache *gfs2_quotad_cachep __read_mostly;
struct kmem_cache *gfs2_qadata_cachep __read_mostly;
mempool_t *gfs2_page_pool __read_mostly;
void gfs2_assert_i(struct gfs2_sbd *sdp)
{
fs_emerg(sdp, "fatal assertion failed\n");
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
David Teigland | 14 | 82.35% | 1 | 50.00% |
Joe Perches | 3 | 17.65% | 1 | 50.00% |
Total | 17 | 100.00% | 2 | 100.00% |
int gfs2_lm_withdraw(struct gfs2_sbd *sdp, const char *fmt, ...)
{
struct lm_lockstruct *ls = &sdp->sd_lockstruct;
const struct lm_lockops *lm = ls->ls_ops;
va_list args;
struct va_format vaf;
if (sdp->sd_args.ar_errors == GFS2_ERRORS_WITHDRAW &&
test_and_set_bit(SDF_SHUTDOWN, &sdp->sd_flags))
return 0;
va_start(args, fmt);
vaf.fmt = fmt;
vaf.va = &args;
fs_err(sdp, "%pV", &vaf);
va_end(args);
if (sdp->sd_args.ar_errors == GFS2_ERRORS_WITHDRAW) {
fs_err(sdp, "about to withdraw this file system\n");
BUG_ON(sdp->sd_args.ar_debug);
kobject_uevent(&sdp->sd_kobj, KOBJ_OFFLINE);
if (!strcmp(sdp->sd_lockstruct.ls_ops->lm_proto_name, "lock_dlm"))
wait_for_completion(&sdp->sd_wdack);
if (lm->lm_unmount) {
fs_err(sdp, "telling LM to unmount\n");
lm->lm_unmount(sdp);
}
set_bit(SDF_SKIP_DLM_UNLOCK, &sdp->sd_flags);
fs_err(sdp, "withdrawn\n");
dump_stack();
}
if (sdp->sd_args.ar_errors == GFS2_ERRORS_PANIC)
panic("GFS2: fsid=%s: panic requested\n", sdp->sd_fsname);
return -1;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Steven Whitehouse | 156 | 68.12% | 3 | 42.86% |
Robert S Peterson | 38 | 16.59% | 1 | 14.29% |
Joe Perches | 25 | 10.92% | 2 | 28.57% |
Benjamin Marzinski | 10 | 4.37% | 1 | 14.29% |
Total | 229 | 100.00% | 7 | 100.00% |
/**
* gfs2_assert_withdraw_i - Cause the machine to withdraw if @assertion is false
* Returns: -1 if this call withdrew the machine,
* -2 if it was already withdrawn
*/
int gfs2_assert_withdraw_i(struct gfs2_sbd *sdp, char *assertion,
const char *function, char *file, unsigned int line)
{
int me;
me = gfs2_lm_withdraw(sdp,
"fatal: assertion \"%s\" failed\n"
" function = %s, file = %s, line = %u\n",
assertion, function, file, line);
dump_stack();
return (me) ? -1 : -2;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
David Teigland | 57 | 91.94% | 1 | 33.33% |
Steven Whitehouse | 3 | 4.84% | 1 | 33.33% |
Joe Perches | 2 | 3.23% | 1 | 33.33% |
Total | 62 | 100.00% | 3 | 100.00% |
/**
* gfs2_assert_warn_i - Print a message to the console if @assertion is false
* Returns: -1 if we printed something
* -2 if we didn't
*/
int gfs2_assert_warn_i(struct gfs2_sbd *sdp, char *assertion,
const char *function, char *file, unsigned int line)
{
if (time_before(jiffies,
sdp->sd_last_warning +
gfs2_tune_get(sdp, gt_complain_secs) * HZ))
return -2;
if (sdp->sd_args.ar_errors == GFS2_ERRORS_WITHDRAW)
fs_warn(sdp, "warning: assertion \"%s\" failed at function = %s, file = %s, line = %u\n",
assertion, function, file, line);
if (sdp->sd_args.ar_debug)
BUG();
else
dump_stack();
if (sdp->sd_args.ar_errors == GFS2_ERRORS_PANIC)
panic("GFS2: fsid=%s: warning: assertion \"%s\" failed\n"
"GFS2: fsid=%s: function = %s, file = %s, line = %u\n",
sdp->sd_fsname, assertion,
sdp->sd_fsname, function, file, line);
sdp->sd_last_warning = jiffies;
return -1;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
David Teigland | 84 | 63.16% | 1 | 25.00% |
Robert S Peterson | 42 | 31.58% | 1 | 25.00% |
Steven Whitehouse | 4 | 3.01% | 1 | 25.00% |
Joe Perches | 3 | 2.26% | 1 | 25.00% |
Total | 133 | 100.00% | 4 | 100.00% |
/**
* gfs2_consist_i - Flag a filesystem consistency error and withdraw
* Returns: -1 if this call withdrew the machine,
* 0 if it was already withdrawn
*/
int gfs2_consist_i(struct gfs2_sbd *sdp, int cluster_wide, const char *function,
char *file, unsigned int line)
{
int rv;
rv = gfs2_lm_withdraw(sdp,
"fatal: filesystem consistency error - function = %s, file = %s, line = %u\n",
function, file, line);
return rv;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
David Teigland | 46 | 97.87% | 1 | 50.00% |
Joe Perches | 1 | 2.13% | 1 | 50.00% |
Total | 47 | 100.00% | 2 | 100.00% |
/**
* gfs2_consist_inode_i - Flag an inode consistency error and withdraw
* Returns: -1 if this call withdrew the machine,
* 0 if it was already withdrawn
*/
int gfs2_consist_inode_i(struct gfs2_inode *ip, int cluster_wide,
const char *function, char *file, unsigned int line)
{
struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
int rv;
rv = gfs2_lm_withdraw(sdp,
"fatal: filesystem consistency error\n"
" inode = %llu %llu\n"
" function = %s, file = %s, line = %u\n",
(unsigned long long)ip->i_no_formal_ino,
(unsigned long long)ip->i_no_addr,
function, file, line);
return rv;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
David Teigland | 60 | 75.00% | 1 | 20.00% |
Steven Whitehouse | 17 | 21.25% | 3 | 60.00% |
Joe Perches | 3 | 3.75% | 1 | 20.00% |
Total | 80 | 100.00% | 5 | 100.00% |
/**
* gfs2_consist_rgrpd_i - Flag a RG consistency error and withdraw
* Returns: -1 if this call withdrew the machine,
* 0 if it was already withdrawn
*/
int gfs2_consist_rgrpd_i(struct gfs2_rgrpd *rgd, int cluster_wide,
const char *function, char *file, unsigned int line)
{
struct gfs2_sbd *sdp = rgd->rd_sbd;
int rv;
rv = gfs2_lm_withdraw(sdp,
"fatal: filesystem consistency error\n"
" RG = %llu\n"
" function = %s, file = %s, line = %u\n",
(unsigned long long)rgd->rd_addr,
function, file, line);
return rv;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
David Teigland | 58 | 86.57% | 1 | 25.00% |
Steven Whitehouse | 6 | 8.96% | 2 | 50.00% |
Joe Perches | 3 | 4.48% | 1 | 25.00% |
Total | 67 | 100.00% | 4 | 100.00% |
/**
* gfs2_meta_check_ii - Flag a magic number consistency error and withdraw
* Returns: -1 if this call withdrew the machine,
* -2 if it was already withdrawn
*/
int gfs2_meta_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh,
const char *type, const char *function, char *file,
unsigned int line)
{
int me;
me = gfs2_lm_withdraw(sdp,
"fatal: invalid metadata block\n"
" bh = %llu (%s)\n"
" function = %s, file = %s, line = %u\n",
(unsigned long long)bh->b_blocknr, type,
function, file, line);
return (me) ? -1 : -2;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
David Teigland | 69 | 92.00% | 1 | 33.33% |
Joe Perches | 3 | 4.00% | 1 | 33.33% |
Steven Whitehouse | 3 | 4.00% | 1 | 33.33% |
Total | 75 | 100.00% | 3 | 100.00% |
/**
* gfs2_metatype_check_ii - Flag a metadata type consistency error and withdraw
* Returns: -1 if this call withdrew the machine,
* -2 if it was already withdrawn
*/
int gfs2_metatype_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh,
u16 type, u16 t, const char *function,
char *file, unsigned int line)
{
int me;
me = gfs2_lm_withdraw(sdp,
"fatal: invalid metadata block\n"
" bh = %llu (type: exp=%u, found=%u)\n"
" function = %s, file = %s, line = %u\n",
(unsigned long long)bh->b_blocknr, type, t,
function, file, line);
return (me) ? -1 : -2;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
David Teigland | 70 | 89.74% | 1 | 25.00% |
Steven Whitehouse | 5 | 6.41% | 2 | 50.00% |
Joe Perches | 3 | 3.85% | 1 | 25.00% |
Total | 78 | 100.00% | 4 | 100.00% |
/**
* gfs2_io_error_i - Flag an I/O error and withdraw
* Returns: -1 if this call withdrew the machine,
* 0 if it was already withdrawn
*/
int gfs2_io_error_i(struct gfs2_sbd *sdp, const char *function, char *file,
unsigned int line)
{
int rv;
rv = gfs2_lm_withdraw(sdp,
"fatal: I/O error\n"
" function = %s, file = %s, line = %u\n",
function, file, line);
return rv;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
David Teigland | 43 | 95.56% | 1 | 50.00% |
Joe Perches | 2 | 4.44% | 1 | 50.00% |
Total | 45 | 100.00% | 2 | 100.00% |
/**
* gfs2_io_error_bh_i - Flag a buffer I/O error and withdraw
* Returns: -1 if this call withdrew the machine,
* 0 if it was already withdrawn
*/
int gfs2_io_error_bh_i(struct gfs2_sbd *sdp, struct buffer_head *bh,
const char *function, char *file, unsigned int line)
{
int rv;
rv = gfs2_lm_withdraw(sdp,
"fatal: I/O error\n"
" block = %llu\n"
" function = %s, file = %s, line = %u\n",
(unsigned long long)bh->b_blocknr,
function, file, line);
return rv;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
David Teigland | 54 | 90.00% | 1 | 33.33% |
Joe Perches | 3 | 5.00% | 1 | 33.33% |
Steven Whitehouse | 3 | 5.00% | 1 | 33.33% |
Total | 60 | 100.00% | 3 | 100.00% |
Overall Contributors
Person | Tokens | Prop | Commits | CommitProp |
David Teigland | 595 | 60.28% | 1 | 3.70% |
Steven Whitehouse | 224 | 22.70% | 15 | 55.56% |
Robert S Peterson | 92 | 9.32% | 4 | 14.81% |
Joe Perches | 58 | 5.88% | 3 | 11.11% |
Benjamin Marzinski | 10 | 1.01% | 1 | 3.70% |
Christoph Lameter | 6 | 0.61% | 1 | 3.70% |
Linus Torvalds | 1 | 0.10% | 1 | 3.70% |
Fabio Massimo Di Nitto | 1 | 0.10% | 1 | 3.70% |
Total | 987 | 100.00% | 27 | 100.00% |
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