1 // SPDX-License-Identifier: GPL-2.0
7 #define FSCK_ERR_RATELIMIT_NR 10
9 bool bch2_inconsistent_error(struct bch_fs *c)
11 set_bit(BCH_FS_ERROR, &c->flags);
13 switch (c->opts.errors) {
14 case BCH_ON_ERROR_continue:
17 if (bch2_fs_emergency_read_only(c))
18 bch_err(c, "emergency read only");
20 case BCH_ON_ERROR_panic:
21 panic(bch2_fmt(c, "panic after error"));
28 void bch2_fatal_error(struct bch_fs *c)
30 if (bch2_fs_emergency_read_only(c))
31 bch_err(c, "emergency read only");
34 void bch2_io_error_work(struct work_struct *work)
36 struct bch_dev *ca = container_of(work, struct bch_dev, io_error_work);
37 struct bch_fs *c = ca->fs;
40 down_write(&c->state_lock);
41 dev = bch2_dev_state_allowed(c, ca, BCH_MEMBER_STATE_ro,
42 BCH_FORCE_IF_DEGRADED);
44 ? __bch2_dev_set_state(c, ca, BCH_MEMBER_STATE_ro,
45 BCH_FORCE_IF_DEGRADED)
46 : bch2_fs_emergency_read_only(c))
48 "too many IO errors, setting %s RO",
49 dev ? "device" : "filesystem");
50 up_write(&c->state_lock);
53 void bch2_io_error(struct bch_dev *ca)
55 //queue_work(system_long_wq, &ca->io_error_work);
59 #define ask_yn() false
61 #include "tools-util.h"
64 enum fsck_err_ret bch2_fsck_err(struct bch_fs *c, unsigned flags,
67 struct fsck_err_state *s = NULL;
69 bool fix = false, print = true, suppressing = false;
70 char _buf[sizeof(s->buf)], *buf = _buf;
72 if (test_bit(BCH_FS_FSCK_DONE, &c->flags)) {
77 return bch2_inconsistent_error(c)
82 mutex_lock(&c->fsck_error_lock);
84 list_for_each_entry(s, &c->fsck_errors, list)
88 s = kzalloc(sizeof(*s), GFP_NOFS);
90 if (!c->fsck_alloc_err)
91 bch_err(c, "kmalloc err, cannot ratelimit fsck errs");
92 c->fsck_alloc_err = true;
97 INIT_LIST_HEAD(&s->list);
100 list_move(&s->list, &c->fsck_errors);
102 if (c->opts.ratelimit_errors &&
103 s->nr >= FSCK_ERR_RATELIMIT_NR) {
104 if (s->nr == FSCK_ERR_RATELIMIT_NR)
112 vscnprintf(buf, sizeof(_buf), fmt, args);
115 if (c->opts.fix_errors == FSCK_OPT_EXIT) {
116 bch_err(c, "%s, exiting", buf);
117 } else if (flags & FSCK_CAN_FIX) {
118 if (c->opts.fix_errors == FSCK_OPT_ASK) {
119 printk(KERN_ERR "%s: fix?", buf);
121 } else if (c->opts.fix_errors == FSCK_OPT_YES ||
122 (c->opts.nochanges &&
123 !(flags & FSCK_CAN_IGNORE))) {
125 bch_err(c, "%s, fixing", buf);
129 bch_err(c, "%s, not fixing", buf);
132 } else if (flags & FSCK_NEED_FSCK) {
134 bch_err(c, "%s (run fsck to correct)", buf);
137 bch_err(c, "%s (repair unimplemented)", buf);
141 bch_err(c, "Ratelimiting new instances of previous error");
143 mutex_unlock(&c->fsck_error_lock);
146 set_bit(BCH_FS_ERRORS_FIXED, &c->flags);
149 set_bit(BCH_FS_ERROR, &c->flags);
150 return c->opts.fix_errors == FSCK_OPT_EXIT ||
151 !(flags & FSCK_CAN_IGNORE)
157 void bch2_flush_fsck_errs(struct bch_fs *c)
159 struct fsck_err_state *s, *n;
161 mutex_lock(&c->fsck_error_lock);
163 list_for_each_entry_safe(s, n, &c->fsck_errors, list) {
165 bch_err(c, "Saw %llu errors like:\n %s", s->nr, s->buf);
171 mutex_unlock(&c->fsck_error_lock);