This source file includes following definitions.
- gfs2_assert_i
- gfs2_lm_withdraw
- gfs2_assert_withdraw_i
- gfs2_assert_warn_i
- gfs2_consist_i
- gfs2_consist_inode_i
- gfs2_consist_rgrpd_i
- gfs2_meta_check_ii
- gfs2_metatype_check_ii
- gfs2_io_error_i
- gfs2_io_error_bh_i
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7 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
8
9 #include <linux/spinlock.h>
10 #include <linux/completion.h>
11 #include <linux/buffer_head.h>
12 #include <linux/crc32.h>
13 #include <linux/gfs2_ondisk.h>
14 #include <linux/uaccess.h>
15
16 #include "gfs2.h"
17 #include "incore.h"
18 #include "glock.h"
19 #include "rgrp.h"
20 #include "util.h"
21
22 struct kmem_cache *gfs2_glock_cachep __read_mostly;
23 struct kmem_cache *gfs2_glock_aspace_cachep __read_mostly;
24 struct kmem_cache *gfs2_inode_cachep __read_mostly;
25 struct kmem_cache *gfs2_bufdata_cachep __read_mostly;
26 struct kmem_cache *gfs2_rgrpd_cachep __read_mostly;
27 struct kmem_cache *gfs2_quotad_cachep __read_mostly;
28 struct kmem_cache *gfs2_qadata_cachep __read_mostly;
29 mempool_t *gfs2_page_pool __read_mostly;
30
31 void gfs2_assert_i(struct gfs2_sbd *sdp)
32 {
33 fs_emerg(sdp, "fatal assertion failed\n");
34 }
35
36 int gfs2_lm_withdraw(struct gfs2_sbd *sdp, const char *fmt, ...)
37 {
38 struct lm_lockstruct *ls = &sdp->sd_lockstruct;
39 const struct lm_lockops *lm = ls->ls_ops;
40 va_list args;
41 struct va_format vaf;
42
43 if (sdp->sd_args.ar_errors == GFS2_ERRORS_WITHDRAW &&
44 test_and_set_bit(SDF_WITHDRAWN, &sdp->sd_flags))
45 return 0;
46
47 if (fmt) {
48 va_start(args, fmt);
49
50 vaf.fmt = fmt;
51 vaf.va = &args;
52
53 fs_err(sdp, "%pV", &vaf);
54
55 va_end(args);
56 }
57
58 if (sdp->sd_args.ar_errors == GFS2_ERRORS_WITHDRAW) {
59 fs_err(sdp, "about to withdraw this file system\n");
60 BUG_ON(sdp->sd_args.ar_debug);
61
62 kobject_uevent(&sdp->sd_kobj, KOBJ_OFFLINE);
63
64 if (!strcmp(sdp->sd_lockstruct.ls_ops->lm_proto_name, "lock_dlm"))
65 wait_for_completion(&sdp->sd_wdack);
66
67 if (lm->lm_unmount) {
68 fs_err(sdp, "telling LM to unmount\n");
69 lm->lm_unmount(sdp);
70 }
71 set_bit(SDF_SKIP_DLM_UNLOCK, &sdp->sd_flags);
72 fs_err(sdp, "withdrawn\n");
73 dump_stack();
74 }
75
76 if (sdp->sd_args.ar_errors == GFS2_ERRORS_PANIC)
77 panic("GFS2: fsid=%s: panic requested\n", sdp->sd_fsname);
78
79 return -1;
80 }
81
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86
87
88 int gfs2_assert_withdraw_i(struct gfs2_sbd *sdp, char *assertion,
89 const char *function, char *file, unsigned int line)
90 {
91 int me;
92 me = gfs2_lm_withdraw(sdp,
93 "fatal: assertion \"%s\" failed\n"
94 " function = %s, file = %s, line = %u\n",
95 assertion, function, file, line);
96 dump_stack();
97 return (me) ? -1 : -2;
98 }
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105
106 int gfs2_assert_warn_i(struct gfs2_sbd *sdp, char *assertion,
107 const char *function, char *file, unsigned int line)
108 {
109 if (time_before(jiffies,
110 sdp->sd_last_warning +
111 gfs2_tune_get(sdp, gt_complain_secs) * HZ))
112 return -2;
113
114 if (sdp->sd_args.ar_errors == GFS2_ERRORS_WITHDRAW)
115 fs_warn(sdp, "warning: assertion \"%s\" failed at function = %s, file = %s, line = %u\n",
116 assertion, function, file, line);
117
118 if (sdp->sd_args.ar_debug)
119 BUG();
120 else
121 dump_stack();
122
123 if (sdp->sd_args.ar_errors == GFS2_ERRORS_PANIC)
124 panic("GFS2: fsid=%s: warning: assertion \"%s\" failed\n"
125 "GFS2: fsid=%s: function = %s, file = %s, line = %u\n",
126 sdp->sd_fsname, assertion,
127 sdp->sd_fsname, function, file, line);
128
129 sdp->sd_last_warning = jiffies;
130
131 return -1;
132 }
133
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139
140 int gfs2_consist_i(struct gfs2_sbd *sdp, int cluster_wide, const char *function,
141 char *file, unsigned int line)
142 {
143 int rv;
144 rv = gfs2_lm_withdraw(sdp,
145 "fatal: filesystem consistency error - function = %s, file = %s, line = %u\n",
146 function, file, line);
147 return rv;
148 }
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155
156 int gfs2_consist_inode_i(struct gfs2_inode *ip, int cluster_wide,
157 const char *function, char *file, unsigned int line)
158 {
159 struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
160 int rv;
161 rv = gfs2_lm_withdraw(sdp,
162 "fatal: filesystem consistency error\n"
163 " inode = %llu %llu\n"
164 " function = %s, file = %s, line = %u\n",
165 (unsigned long long)ip->i_no_formal_ino,
166 (unsigned long long)ip->i_no_addr,
167 function, file, line);
168 return rv;
169 }
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176
177 int gfs2_consist_rgrpd_i(struct gfs2_rgrpd *rgd, int cluster_wide,
178 const char *function, char *file, unsigned int line)
179 {
180 struct gfs2_sbd *sdp = rgd->rd_sbd;
181 char fs_id_buf[sizeof(sdp->sd_fsname) + 7];
182 int rv;
183
184 sprintf(fs_id_buf, "fsid=%s: ", sdp->sd_fsname);
185 gfs2_rgrp_dump(NULL, rgd->rd_gl, fs_id_buf);
186 rv = gfs2_lm_withdraw(sdp,
187 "fatal: filesystem consistency error\n"
188 " RG = %llu\n"
189 " function = %s, file = %s, line = %u\n",
190 (unsigned long long)rgd->rd_addr,
191 function, file, line);
192 return rv;
193 }
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200
201 int gfs2_meta_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh,
202 const char *type, const char *function, char *file,
203 unsigned int line)
204 {
205 int me;
206 me = gfs2_lm_withdraw(sdp,
207 "fatal: invalid metadata block\n"
208 " bh = %llu (%s)\n"
209 " function = %s, file = %s, line = %u\n",
210 (unsigned long long)bh->b_blocknr, type,
211 function, file, line);
212 return (me) ? -1 : -2;
213 }
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220
221 int gfs2_metatype_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh,
222 u16 type, u16 t, const char *function,
223 char *file, unsigned int line)
224 {
225 int me;
226 me = gfs2_lm_withdraw(sdp,
227 "fatal: invalid metadata block\n"
228 " bh = %llu (type: exp=%u, found=%u)\n"
229 " function = %s, file = %s, line = %u\n",
230 (unsigned long long)bh->b_blocknr, type, t,
231 function, file, line);
232 return (me) ? -1 : -2;
233 }
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240
241 int gfs2_io_error_i(struct gfs2_sbd *sdp, const char *function, char *file,
242 unsigned int line)
243 {
244 int rv;
245 rv = gfs2_lm_withdraw(sdp,
246 "fatal: I/O error\n"
247 " function = %s, file = %s, line = %u\n",
248 function, file, line);
249 return rv;
250 }
251
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256
257 void gfs2_io_error_bh_i(struct gfs2_sbd *sdp, struct buffer_head *bh,
258 const char *function, char *file, unsigned int line,
259 bool withdraw)
260 {
261 if (!test_bit(SDF_WITHDRAWN, &sdp->sd_flags))
262 fs_err(sdp,
263 "fatal: I/O error\n"
264 " block = %llu\n"
265 " function = %s, file = %s, line = %u\n",
266 (unsigned long long)bh->b_blocknr,
267 function, file, line);
268 if (withdraw)
269 gfs2_lm_withdraw(sdp, NULL);
270 }
271