summaryrefslogtreecommitdiff
path: root/libbcache/error.h
diff options
context:
space:
mode:
Diffstat (limited to 'libbcache/error.h')
-rw-r--r--libbcache/error.h240
1 files changed, 0 insertions, 240 deletions
diff --git a/libbcache/error.h b/libbcache/error.h
deleted file mode 100644
index 726b20d4..00000000
--- a/libbcache/error.h
+++ /dev/null
@@ -1,240 +0,0 @@
-#ifndef _BCACHE_ERROR_H
-#define _BCACHE_ERROR_H
-
-#include <linux/printk.h>
-
-struct bch_dev;
-struct bch_fs;
-
-/*
- * XXX: separate out errors that indicate on disk data is inconsistent, and flag
- * superblock as such
- */
-
-/* Error messages: */
-
-/*
- * Very fatal logic/inconsistency errors: these indicate that we've majorly
- * screwed up at runtime, i.e. it's not likely that it was just caused by the
- * data on disk being inconsistent. These BUG():
- *
- * XXX: audit and convert to inconsistent() checks
- */
-
-#define bch_fs_bug(c, ...) \
-do { \
- bch_err(c, __VA_ARGS__); \
- BUG(); \
-} while (0)
-
-#define bch_fs_bug_on(cond, c, ...) \
-do { \
- if (cond) \
- bch_fs_bug(c, __VA_ARGS__); \
-} while (0)
-
-/*
- * Inconsistency errors: The on disk data is inconsistent. If these occur during
- * initial recovery, they don't indicate a bug in the running code - we walk all
- * the metadata before modifying anything. If they occur at runtime, they
- * indicate either a bug in the running code or (less likely) data is being
- * silently corrupted under us.
- *
- * XXX: audit all inconsistent errors and make sure they're all recoverable, in
- * BCH_ON_ERROR_CONTINUE mode
- */
-
-void bch_inconsistent_error(struct bch_fs *);
-
-#define bch_fs_inconsistent(c, ...) \
-do { \
- bch_err(c, __VA_ARGS__); \
- bch_inconsistent_error(c); \
-} while (0)
-
-#define bch_fs_inconsistent_on(cond, c, ...) \
-({ \
- int _ret = !!(cond); \
- \
- if (_ret) \
- bch_fs_inconsistent(c, __VA_ARGS__); \
- _ret; \
-})
-
-/*
- * Later we might want to mark only the particular device inconsistent, not the
- * entire filesystem:
- */
-
-#define bch_dev_inconsistent(ca, ...) \
-do { \
- bch_err(ca, __VA_ARGS__); \
- bch_inconsistent_error((ca)->fs); \
-} while (0)
-
-#define bch_dev_inconsistent_on(cond, ca, ...) \
-({ \
- int _ret = !!(cond); \
- \
- if (_ret) \
- bch_dev_inconsistent(ca, __VA_ARGS__); \
- _ret; \
-})
-
-/*
- * Fsck errors: inconsistency errors we detect at mount time, and should ideally
- * be able to repair:
- */
-
-enum {
- BCH_FSCK_OK = 0,
- BCH_FSCK_ERRORS_NOT_FIXED = 1,
- BCH_FSCK_REPAIR_UNIMPLEMENTED = 2,
- BCH_FSCK_REPAIR_IMPOSSIBLE = 3,
- BCH_FSCK_UNKNOWN_VERSION = 4,
-};
-
-/* These macros return true if error should be fixed: */
-
-/* XXX: mark in superblock that filesystem contains errors, if we ignore: */
-
-#ifndef __fsck_err
-#define __fsck_err(c, _can_fix, _can_ignore, _nofix_msg, msg, ...) \
-({ \
- bool _fix = false; \
- \
- if (_can_fix && (c)->opts.fix_errors) { \
- bch_err(c, msg ", fixing", ##__VA_ARGS__); \
- set_bit(BCH_FS_FSCK_FIXED_ERRORS, &(c)->flags); \
- _fix = true; \
- } else if (_can_ignore && \
- (c)->opts.errors == BCH_ON_ERROR_CONTINUE) { \
- bch_err(c, msg " (ignoring)", ##__VA_ARGS__); \
- } else { \
- bch_err(c, msg " ("_nofix_msg")", ##__VA_ARGS__); \
- ret = BCH_FSCK_ERRORS_NOT_FIXED; \
- goto fsck_err; \
- } \
- \
- BUG_ON(!_fix && !_can_ignore); \
- _fix; \
-})
-#endif
-
-#define __fsck_err_on(cond, c, _can_fix, _can_ignore, _nofix_msg, ...) \
- ((cond) ? __fsck_err(c, _can_fix, _can_ignore, \
- _nofix_msg, ##__VA_ARGS__) : false)
-
-#define unfixable_fsck_err_on(cond, c, ...) \
- __fsck_err_on(cond, c, false, true, "repair unimplemented", ##__VA_ARGS__)
-
-#define need_fsck_err_on(cond, c, ...) \
- __fsck_err_on(cond, c, false, true, "run fsck to correct", ##__VA_ARGS__)
-
-#define mustfix_fsck_err(c, ...) \
- __fsck_err(c, true, false, "not fixing", ##__VA_ARGS__)
-
-#define mustfix_fsck_err_on(cond, c, ...) \
- __fsck_err_on(cond, c, true, false, "not fixing", ##__VA_ARGS__)
-
-#define fsck_err_on(cond, c, ...) \
- __fsck_err_on(cond, c, true, true, "not fixing", ##__VA_ARGS__)
-
-/*
- * Fatal errors: these don't indicate a bug, but we can't continue running in RW
- * mode - pretty much just due to metadata IO errors:
- */
-
-void bch_fatal_error(struct bch_fs *);
-
-#define bch_fs_fatal_error(c, ...) \
-do { \
- bch_err(c, __VA_ARGS__); \
- bch_fatal_error(c); \
-} while (0)
-
-#define bch_fs_fatal_err_on(cond, c, ...) \
-({ \
- int _ret = !!(cond); \
- \
- if (_ret) \
- bch_fs_fatal_error(c, __VA_ARGS__); \
- _ret; \
-})
-
-#define bch_dev_fatal_error(ca, ...) \
-do { \
- bch_err(ca, __VA_ARGS__); \
- bch_fatal_error(c); \
-} while (0)
-
-#define bch_dev_fatal_io_error(ca, fmt, ...) \
-do { \
- printk_ratelimited(KERN_ERR bch_fmt((ca)->fs, \
- "fatal IO error on %s for " fmt), \
- (ca)->name, ##__VA_ARGS__); \
- bch_fatal_error((ca)->fs); \
-} while (0)
-
-#define bch_dev_fatal_io_err_on(cond, ca, ...) \
-({ \
- int _ret = !!(cond); \
- \
- if (_ret) \
- bch_dev_fatal_io_error(ca, __VA_ARGS__); \
- _ret; \
-})
-
-/*
- * Nonfatal IO errors: either recoverable metadata IO (because we have
- * replicas), or data IO - we need to log it and print out a message, but we
- * don't (necessarily) want to shut down the fs:
- */
-
-void bch_account_io_completion(struct bch_dev *);
-void bch_account_io_completion_time(struct bch_dev *, unsigned, int);
-
-void bch_nonfatal_io_error_work(struct work_struct *);
-
-/* Does the error handling without logging a message */
-void bch_nonfatal_io_error(struct bch_dev *);
-
-#if 0
-#define bch_fs_nonfatal_io_error(c, ...) \
-do { \
- bch_err(c, __VA_ARGS__); \
- bch_nonfatal_io_error(c); \
-} while (0)
-#endif
-
-/* Logs message and handles the error: */
-#define bch_dev_nonfatal_io_error(ca, fmt, ...) \
-do { \
- printk_ratelimited(KERN_ERR bch_fmt((ca)->fs, \
- "IO error on %s for " fmt), \
- (ca)->name, ##__VA_ARGS__); \
- bch_nonfatal_io_error(ca); \
-} while (0)
-
-#define bch_dev_nonfatal_io_err_on(cond, ca, ...) \
-({ \
- bool _ret = (cond); \
- \
- if (_ret) \
- bch_dev_nonfatal_io_error(ca, __VA_ARGS__); \
- _ret; \
-})
-
-/* kill? */
-
-#define __bcache_io_error(c, fmt, ...) \
- printk_ratelimited(KERN_ERR bch_fmt(c, \
- "IO error: " fmt), ##__VA_ARGS__)
-
-#define bcache_io_error(c, bio, fmt, ...) \
-do { \
- __bcache_io_error(c, fmt, ##__VA_ARGS__); \
- (bio)->bi_error = -EIO; \
-} while (0)
-
-#endif /* _BCACHE_ERROR_H */
generated by cgit v1.2.3 (git 2.46.0) at 2025-08-02 03:41:19 +0000