266 lines
7.3 KiB
C
266 lines
7.3 KiB
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 <asm/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");
|
|
}
|
|
|
|
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);
|
|
}
|
|
fs_err(sdp, "withdrawn\n");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;
|
|
}
|
|
|
|
/**
|
|
* 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;
|
|
}
|
|
|
|
/**
|
|
* 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;
|
|
}
|
|
|
|
/**
|
|
* 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;
|
|
}
|
|
|
|
/**
|
|
* 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;
|
|
}
|
|
|
|
/**
|
|
* 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;
|
|
}
|
|
|
|
/**
|
|
* 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;
|
|
}
|
|
|
|
/**
|
|
* 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;
|
|
}
|
|
|
|
/**
|
|
* 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;
|
|
}
|
|
|
|
/**
|
|
* 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;
|
|
}
|
|
|