Commit | Line | Data |
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b3b94faa DT |
1 | /* |
2 | * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. | |
3a8a9a10 | 3 | * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. |
b3b94faa DT |
4 | * |
5 | * This copyrighted material is made available to anyone wishing to use, | |
6 | * modify, copy, or redistribute it subject to the terms and conditions | |
e9fc2aa0 | 7 | * of the GNU General Public License version 2. |
b3b94faa DT |
8 | */ |
9 | ||
d77d1b58 JP |
10 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
11 | ||
b3b94faa DT |
12 | #include <linux/spinlock.h> |
13 | #include <linux/completion.h> | |
14 | #include <linux/buffer_head.h> | |
15 | #include <linux/crc32.h> | |
5c676f6d | 16 | #include <linux/gfs2_ondisk.h> |
b3b94faa DT |
17 | #include <asm/uaccess.h> |
18 | ||
19 | #include "gfs2.h" | |
5c676f6d | 20 | #include "incore.h" |
b3b94faa | 21 | #include "glock.h" |
5c676f6d | 22 | #include "util.h" |
b3b94faa | 23 | |
e18b890b | 24 | struct kmem_cache *gfs2_glock_cachep __read_mostly; |
009d8518 | 25 | struct kmem_cache *gfs2_glock_aspace_cachep __read_mostly; |
e18b890b CL |
26 | struct kmem_cache *gfs2_inode_cachep __read_mostly; |
27 | struct kmem_cache *gfs2_bufdata_cachep __read_mostly; | |
6bdd9be6 | 28 | struct kmem_cache *gfs2_rgrpd_cachep __read_mostly; |
37b2c837 | 29 | struct kmem_cache *gfs2_quotad_cachep __read_mostly; |
36f5580b | 30 | struct kmem_cache *gfs2_rsrv_cachep __read_mostly; |
e8c92ed7 | 31 | mempool_t *gfs2_page_pool __read_mostly; |
b3b94faa | 32 | |
b3b94faa DT |
33 | void gfs2_assert_i(struct gfs2_sbd *sdp) |
34 | { | |
8382e26b | 35 | fs_emerg(sdp, "fatal assertion failed\n"); |
b3b94faa DT |
36 | } |
37 | ||
cb94eb06 | 38 | int gfs2_lm_withdraw(struct gfs2_sbd *sdp, const char *fmt, ...) |
da755fdb | 39 | { |
f057f6cd SW |
40 | struct lm_lockstruct *ls = &sdp->sd_lockstruct; |
41 | const struct lm_lockops *lm = ls->ls_ops; | |
da755fdb | 42 | va_list args; |
cb94eb06 | 43 | struct va_format vaf; |
da755fdb | 44 | |
d34843d0 BP |
45 | if (sdp->sd_args.ar_errors == GFS2_ERRORS_WITHDRAW && |
46 | test_and_set_bit(SDF_SHUTDOWN, &sdp->sd_flags)) | |
da755fdb SW |
47 | return 0; |
48 | ||
49 | va_start(args, fmt); | |
cb94eb06 JP |
50 | |
51 | vaf.fmt = fmt; | |
52 | vaf.va = &args; | |
53 | ||
54 | fs_err(sdp, "%pV", &vaf); | |
55 | ||
da755fdb SW |
56 | va_end(args); |
57 | ||
d34843d0 BP |
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); | |
da755fdb | 61 | |
d34843d0 | 62 | kobject_uevent(&sdp->sd_kobj, KOBJ_OFFLINE); |
f057f6cd | 63 | |
fd95e81c SW |
64 | if (!strcmp(sdp->sd_lockstruct.ls_ops->lm_proto_name, "lock_dlm")) |
65 | wait_for_completion(&sdp->sd_wdack); | |
66 | ||
d34843d0 BP |
67 | if (lm->lm_unmount) { |
68 | fs_err(sdp, "telling LM to unmount\n"); | |
69 | lm->lm_unmount(sdp); | |
70 | } | |
71 | fs_err(sdp, "withdrawn\n"); | |
72 | dump_stack(); | |
f057f6cd | 73 | } |
d34843d0 BP |
74 | |
75 | if (sdp->sd_args.ar_errors == GFS2_ERRORS_PANIC) | |
d77d1b58 | 76 | panic("GFS2: fsid=%s: panic requested\n", sdp->sd_fsname); |
da755fdb SW |
77 | |
78 | return -1; | |
79 | } | |
80 | ||
b3b94faa DT |
81 | /** |
82 | * gfs2_assert_withdraw_i - Cause the machine to withdraw if @assertion is false | |
83 | * Returns: -1 if this call withdrew the machine, | |
84 | * -2 if it was already withdrawn | |
85 | */ | |
86 | ||
87 | int gfs2_assert_withdraw_i(struct gfs2_sbd *sdp, char *assertion, | |
88 | const char *function, char *file, unsigned int line) | |
89 | { | |
90 | int me; | |
91 | me = gfs2_lm_withdraw(sdp, | |
cb94eb06 JP |
92 | "fatal: assertion \"%s\" failed\n" |
93 | " function = %s, file = %s, line = %u\n", | |
94 | assertion, function, file, line); | |
18ec7d5c | 95 | dump_stack(); |
b3b94faa DT |
96 | return (me) ? -1 : -2; |
97 | } | |
98 | ||
99 | /** | |
100 | * gfs2_assert_warn_i - Print a message to the console if @assertion is false | |
101 | * Returns: -1 if we printed something | |
102 | * -2 if we didn't | |
103 | */ | |
104 | ||
105 | int gfs2_assert_warn_i(struct gfs2_sbd *sdp, char *assertion, | |
106 | const char *function, char *file, unsigned int line) | |
107 | { | |
108 | if (time_before(jiffies, | |
109 | sdp->sd_last_warning + | |
110 | gfs2_tune_get(sdp, gt_complain_secs) * HZ)) | |
111 | return -2; | |
112 | ||
d34843d0 | 113 | if (sdp->sd_args.ar_errors == GFS2_ERRORS_WITHDRAW) |
8382e26b JP |
114 | fs_warn(sdp, "warning: assertion \"%s\" failed at function = %s, file = %s, line = %u\n", |
115 | assertion, function, file, line); | |
b3b94faa DT |
116 | |
117 | if (sdp->sd_args.ar_debug) | |
118 | BUG(); | |
18ec7d5c SW |
119 | else |
120 | dump_stack(); | |
b3b94faa | 121 | |
d34843d0 BP |
122 | if (sdp->sd_args.ar_errors == GFS2_ERRORS_PANIC) |
123 | panic("GFS2: fsid=%s: warning: assertion \"%s\" failed\n" | |
124 | "GFS2: fsid=%s: function = %s, file = %s, line = %u\n", | |
125 | sdp->sd_fsname, assertion, | |
126 | sdp->sd_fsname, function, file, line); | |
127 | ||
b3b94faa DT |
128 | sdp->sd_last_warning = jiffies; |
129 | ||
130 | return -1; | |
131 | } | |
132 | ||
133 | /** | |
134 | * gfs2_consist_i - Flag a filesystem consistency error and withdraw | |
135 | * Returns: -1 if this call withdrew the machine, | |
136 | * 0 if it was already withdrawn | |
137 | */ | |
138 | ||
139 | int gfs2_consist_i(struct gfs2_sbd *sdp, int cluster_wide, const char *function, | |
140 | char *file, unsigned int line) | |
141 | { | |
142 | int rv; | |
143 | rv = gfs2_lm_withdraw(sdp, | |
cb94eb06 JP |
144 | "fatal: filesystem consistency error - function = %s, file = %s, line = %u\n", |
145 | function, file, line); | |
b3b94faa DT |
146 | return rv; |
147 | } | |
148 | ||
149 | /** | |
150 | * gfs2_consist_inode_i - Flag an inode consistency error and withdraw | |
151 | * Returns: -1 if this call withdrew the machine, | |
152 | * 0 if it was already withdrawn | |
153 | */ | |
154 | ||
155 | int gfs2_consist_inode_i(struct gfs2_inode *ip, int cluster_wide, | |
156 | const char *function, char *file, unsigned int line) | |
157 | { | |
feaa7bba | 158 | struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); |
b3b94faa DT |
159 | int rv; |
160 | rv = gfs2_lm_withdraw(sdp, | |
cb94eb06 JP |
161 | "fatal: filesystem consistency error\n" |
162 | " inode = %llu %llu\n" | |
163 | " function = %s, file = %s, line = %u\n", | |
164 | (unsigned long long)ip->i_no_formal_ino, | |
165 | (unsigned long long)ip->i_no_addr, | |
166 | function, file, line); | |
b3b94faa DT |
167 | return rv; |
168 | } | |
169 | ||
170 | /** | |
171 | * gfs2_consist_rgrpd_i - Flag a RG consistency error and withdraw | |
172 | * Returns: -1 if this call withdrew the machine, | |
173 | * 0 if it was already withdrawn | |
174 | */ | |
175 | ||
176 | int gfs2_consist_rgrpd_i(struct gfs2_rgrpd *rgd, int cluster_wide, | |
177 | const char *function, char *file, unsigned int line) | |
178 | { | |
179 | struct gfs2_sbd *sdp = rgd->rd_sbd; | |
180 | int rv; | |
181 | rv = gfs2_lm_withdraw(sdp, | |
cb94eb06 JP |
182 | "fatal: filesystem consistency error\n" |
183 | " RG = %llu\n" | |
184 | " function = %s, file = %s, line = %u\n", | |
185 | (unsigned long long)rgd->rd_addr, | |
186 | function, file, line); | |
b3b94faa DT |
187 | return rv; |
188 | } | |
189 | ||
190 | /** | |
191 | * gfs2_meta_check_ii - Flag a magic number consistency error and withdraw | |
192 | * Returns: -1 if this call withdrew the machine, | |
193 | * -2 if it was already withdrawn | |
194 | */ | |
195 | ||
196 | int gfs2_meta_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh, | |
197 | const char *type, const char *function, char *file, | |
198 | unsigned int line) | |
199 | { | |
200 | int me; | |
201 | me = gfs2_lm_withdraw(sdp, | |
cb94eb06 JP |
202 | "fatal: invalid metadata block\n" |
203 | " bh = %llu (%s)\n" | |
204 | " function = %s, file = %s, line = %u\n", | |
205 | (unsigned long long)bh->b_blocknr, type, | |
206 | function, file, line); | |
b3b94faa DT |
207 | return (me) ? -1 : -2; |
208 | } | |
209 | ||
210 | /** | |
211 | * gfs2_metatype_check_ii - Flag a metadata type consistency error and withdraw | |
212 | * Returns: -1 if this call withdrew the machine, | |
213 | * -2 if it was already withdrawn | |
214 | */ | |
215 | ||
216 | int gfs2_metatype_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh, | |
cd915493 | 217 | u16 type, u16 t, const char *function, |
b3b94faa DT |
218 | char *file, unsigned int line) |
219 | { | |
220 | int me; | |
221 | me = gfs2_lm_withdraw(sdp, | |
cb94eb06 JP |
222 | "fatal: invalid metadata block\n" |
223 | " bh = %llu (type: exp=%u, found=%u)\n" | |
224 | " function = %s, file = %s, line = %u\n", | |
225 | (unsigned long long)bh->b_blocknr, type, t, | |
226 | function, file, line); | |
b3b94faa DT |
227 | return (me) ? -1 : -2; |
228 | } | |
229 | ||
230 | /** | |
231 | * gfs2_io_error_i - Flag an I/O error and withdraw | |
232 | * Returns: -1 if this call withdrew the machine, | |
233 | * 0 if it was already withdrawn | |
234 | */ | |
235 | ||
236 | int gfs2_io_error_i(struct gfs2_sbd *sdp, const char *function, char *file, | |
237 | unsigned int line) | |
238 | { | |
239 | int rv; | |
240 | rv = gfs2_lm_withdraw(sdp, | |
cb94eb06 JP |
241 | "fatal: I/O error\n" |
242 | " function = %s, file = %s, line = %u\n", | |
243 | function, file, line); | |
b3b94faa DT |
244 | return rv; |
245 | } | |
246 | ||
247 | /** | |
248 | * gfs2_io_error_bh_i - Flag a buffer I/O error and withdraw | |
249 | * Returns: -1 if this call withdrew the machine, | |
250 | * 0 if it was already withdrawn | |
251 | */ | |
252 | ||
253 | int gfs2_io_error_bh_i(struct gfs2_sbd *sdp, struct buffer_head *bh, | |
254 | const char *function, char *file, unsigned int line) | |
255 | { | |
256 | int rv; | |
257 | rv = gfs2_lm_withdraw(sdp, | |
cb94eb06 JP |
258 | "fatal: I/O error\n" |
259 | " block = %llu\n" | |
260 | " function = %s, file = %s, line = %u\n", | |
261 | (unsigned long long)bh->b_blocknr, | |
262 | function, file, line); | |
b3b94faa DT |
263 | return rv; |
264 | } | |
265 |