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-rw-r--r--fs/bcachefs/bcachefs.h4
-rw-r--r--fs/bcachefs/error.c152
-rw-r--r--fs/bcachefs/error.h3
3 files changed, 97 insertions, 62 deletions
diff --git a/fs/bcachefs/bcachefs.h b/fs/bcachefs/bcachefs.h
index 74da688d994b..08fd899d8837 100644
--- a/fs/bcachefs/bcachefs.h
+++ b/fs/bcachefs/bcachefs.h
@@ -226,9 +226,11 @@ do { \
dynamic_fault("bcachefs:meta:write:" name)
#ifdef __KERNEL__
-#define bch2_fmt(_c, fmt) "bcachefs (%s): " fmt "\n", ((_c)->name)
+#define bch2_log_msg(_c, fmt) "bcachefs (%s): " fmt, ((_c)->name)
+#define bch2_fmt(_c, fmt) bch2_log_msg(_c, fmt "\n")
#define bch2_fmt_inum(_c, _inum, fmt) "bcachefs (%s inum %llu): " fmt "\n", ((_c)->name), (_inum)
#else
+#define bch2_log_msg(_c, fmt) fmt
#define bch2_fmt(_c, fmt) fmt "\n"
#define bch2_fmt_inum(_c, _inum, fmt) "inum %llu: " fmt "\n", (_inum)
#endif
diff --git a/fs/bcachefs/error.c b/fs/bcachefs/error.c
index f6a895b2ceb7..762abdf2f283 100644
--- a/fs/bcachefs/error.c
+++ b/fs/bcachefs/error.c
@@ -68,102 +68,135 @@ void bch2_io_error(struct bch_dev *ca)
#include "tools-util.h"
#endif
-int bch2_fsck_err(struct bch_fs *c, unsigned flags, const char *fmt, ...)
+static struct fsck_err_state *fsck_err_get(struct bch_fs *c, const char *fmt)
{
- struct fsck_err_state *s = NULL;
- va_list args;
- bool fix = false, print = true, suppressing = false;
- char _buf[sizeof(s->buf)], *buf = _buf;
-
- if (test_bit(BCH_FS_FSCK_DONE, &c->flags)) {
- va_start(args, fmt);
- vprintk(fmt, args);
- va_end(args);
+ struct fsck_err_state *s;
- if (c->opts.errors == BCH_ON_ERROR_continue) {
- bch_err(c, "fixing");
- return -BCH_ERR_fsck_fix;
- } else {
- bch2_inconsistent_error(c);
- return -BCH_ERR_fsck_errors_not_fixed;
- }
- }
-
- mutex_lock(&c->fsck_error_lock);
+ if (test_bit(BCH_FS_FSCK_DONE, &c->flags))
+ return NULL;
list_for_each_entry(s, &c->fsck_errors, list)
- if (s->fmt == fmt)
- goto found;
+ if (s->fmt == fmt) {
+ /*
+ * move it to the head of the list: repeated fsck errors
+ * are common
+ */
+ list_move(&s->list, &c->fsck_errors);
+ return s;
+ }
s = kzalloc(sizeof(*s), GFP_NOFS);
if (!s) {
if (!c->fsck_alloc_err)
bch_err(c, "kmalloc err, cannot ratelimit fsck errs");
c->fsck_alloc_err = true;
- buf = _buf;
- goto print;
+ return NULL;
}
INIT_LIST_HEAD(&s->list);
s->fmt = fmt;
-found:
- list_move(&s->list, &c->fsck_errors);
- s->nr++;
- if (c->opts.ratelimit_errors &&
- !(flags & FSCK_NO_RATELIMIT) &&
- s->nr >= FSCK_ERR_RATELIMIT_NR) {
- if (s->nr == FSCK_ERR_RATELIMIT_NR)
- suppressing = true;
- else
- print = false;
+ s->buf = PRINTBUF;
+ list_add(&s->list, &c->fsck_errors);
+ return s;
+}
+
+int bch2_fsck_err(struct bch_fs *c, unsigned flags, const char *fmt, ...)
+{
+ struct fsck_err_state *s = NULL;
+ va_list args;
+ bool print = true, suppressing = false;
+ struct printbuf buf = PRINTBUF, *out = &buf;
+ int ret = -BCH_ERR_fsck_ignore;
+
+ mutex_lock(&c->fsck_error_lock);
+ s = fsck_err_get(c, fmt);
+ if (s) {
+ if (c->opts.ratelimit_errors &&
+ !(flags & FSCK_NO_RATELIMIT) &&
+ s->nr >= FSCK_ERR_RATELIMIT_NR) {
+ if (s->nr == FSCK_ERR_RATELIMIT_NR)
+ suppressing = true;
+ else
+ print = false;
+ }
+
+ printbuf_reset(&s->buf);
+ out = &s->buf;
+ s->nr++;
}
- buf = s->buf;
-print:
+
+ if (!strncmp(fmt, "bcachefs:", 9))
+ prt_printf(out, bch2_log_msg(c, ""));
+
va_start(args, fmt);
- vscnprintf(buf, sizeof(_buf), fmt, args);
+ prt_vprintf(out, fmt, args);
va_end(args);
- if (c->opts.fix_errors == FSCK_OPT_EXIT) {
- bch_err(c, "%s, exiting", buf);
+ if (test_bit(BCH_FS_FSCK_DONE, &c->flags)) {
+ if (c->opts.errors != BCH_ON_ERROR_continue ||
+ !(flags & (FSCK_CAN_FIX|FSCK_CAN_IGNORE))) {
+ prt_str(out, ", shutting down");
+ bch2_inconsistent_error(c);
+ ret = -BCH_ERR_fsck_errors_not_fixed;
+ } else if (flags & FSCK_CAN_FIX) {
+ prt_str(out, ", fixing");
+ ret = -BCH_ERR_fsck_fix;
+ } else {
+ prt_str(out, ", continuing");
+ ret = -BCH_ERR_fsck_ignore;
+ }
+ } else if (c->opts.fix_errors == FSCK_OPT_EXIT) {
+ prt_str(out, ", exiting");
+ ret = -BCH_ERR_fsck_errors_not_fixed;
} else if (flags & FSCK_CAN_FIX) {
if (c->opts.fix_errors == FSCK_OPT_ASK) {
- printk(KERN_ERR "%s: fix?", buf);
- fix = ask_yn();
+ prt_str(out, ": fix?");
+ bch2_print_string_as_lines(KERN_ERR, out->buf);
+ print = false;
+ ret = ask_yn()
+ ? -BCH_ERR_fsck_fix
+ : -BCH_ERR_fsck_ignore;
} else if (c->opts.fix_errors == FSCK_OPT_YES ||
(c->opts.nochanges &&
!(flags & FSCK_CAN_IGNORE))) {
- if (print)
- bch_err(c, "%s, fixing", buf);
- fix = true;
+ prt_str(out, ", fixing");
+ ret = -BCH_ERR_fsck_fix;
} else {
- if (print)
- bch_err(c, "%s, not fixing", buf);
- fix = false;
+ prt_str(out, ", not fixing");
}
} else if (flags & FSCK_NEED_FSCK) {
- if (print)
- bch_err(c, "%s (run fsck to correct)", buf);
+ prt_str(out, " (run fsck to correct)");
} else {
- if (print)
- bch_err(c, "%s (repair unimplemented)", buf);
+ prt_str(out, " (repair unimplemented)");
}
- if (suppressing)
+ if (ret == -BCH_ERR_fsck_ignore &&
+ (c->opts.fix_errors == FSCK_OPT_EXIT ||
+ !(flags & FSCK_CAN_IGNORE)))
+ ret = -BCH_ERR_fsck_errors_not_fixed;
+
+ if (print)
+ bch2_print_string_as_lines(KERN_ERR, out->buf);
+
+ if (!test_bit(BCH_FS_FSCK_DONE, &c->flags) &&
+ (ret != -BCH_ERR_fsck_fix &&
+ ret != -BCH_ERR_fsck_ignore))
+ bch_err(c, "Unable to continue, halting");
+ else if (suppressing)
bch_err(c, "Ratelimiting new instances of previous error");
mutex_unlock(&c->fsck_error_lock);
- if (fix) {
+ printbuf_exit(&buf);
+
+ if (ret == -BCH_ERR_fsck_fix) {
set_bit(BCH_FS_ERRORS_FIXED, &c->flags);
- return -BCH_ERR_fsck_fix;
} else {
set_bit(BCH_FS_ERRORS_NOT_FIXED, &c->flags);
set_bit(BCH_FS_ERROR, &c->flags);
- return c->opts.fix_errors == FSCK_OPT_EXIT ||
- !(flags & FSCK_CAN_IGNORE)
- ? -BCH_ERR_fsck_errors_not_fixed
- : -BCH_ERR_fsck_ignore;
}
+
+ return ret;
}
void bch2_flush_fsck_errs(struct bch_fs *c)
@@ -174,9 +207,10 @@ void bch2_flush_fsck_errs(struct bch_fs *c)
list_for_each_entry_safe(s, n, &c->fsck_errors, list) {
if (s->ratelimited)
- bch_err(c, "Saw %llu errors like:\n %s", s->nr, s->buf);
+ bch_err(c, "Saw %llu errors like:\n %s", s->nr, s->buf.buf);
list_del(&s->list);
+ printbuf_exit(&s->buf);
kfree(s);
}
diff --git a/fs/bcachefs/error.h b/fs/bcachefs/error.h
index b603d738c549..bbf9b6d85b4d 100644
--- a/fs/bcachefs/error.h
+++ b/fs/bcachefs/error.h
@@ -103,7 +103,7 @@ struct fsck_err_state {
const char *fmt;
u64 nr;
bool ratelimited;
- char buf[512];
+ struct printbuf buf;
};
#define FSCK_CAN_FIX (1 << 0)
@@ -121,7 +121,6 @@ void bch2_flush_fsck_errs(struct bch_fs *);
\
if (_ret != -BCH_ERR_fsck_fix && \
_ret != -BCH_ERR_fsck_ignore) { \
- bch_err(c, "Unable to continue, halting"); \
ret = _ret; \
goto fsck_err; \
} \
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-14 07:22:10 +0100