#include <linux/sysfs.h>
#include "bcachefs_format.h"
-extern const char * const bch2_metadata_versions[];
+struct bch_fs;
+
extern const char * const bch2_error_actions[];
+extern const char * const bch2_fsck_fix_opts[];
+extern const char * const bch2_version_upgrade_opts[];
extern const char * const bch2_sb_features[];
extern const char * const bch2_sb_compat[];
-extern const char * const bch2_btree_ids[];
+extern const char * const __bch2_btree_ids[];
extern const char * const bch2_csum_types[];
extern const char * const bch2_csum_opts[];
extern const char * const bch2_compression_types[];
BCH_OPT_FN,
};
+struct bch_opt_fn {
+ int (*parse)(struct bch_fs *, const char *, u64 *, struct printbuf *);
+ void (*to_text)(struct printbuf *, struct bch_fs *, struct bch_sb *, u64);
+ int (*validate)(u64, struct printbuf *);
+};
+
/**
* x(name, shortopt, type, in mem type, mode, sb_opt)
*
#define BCACHEFS_VERBOSE_DEFAULT false
#endif
+#define BCH_FIX_ERRORS_OPTS() \
+ x(exit, 0) \
+ x(yes, 1) \
+ x(no, 2) \
+ x(ask, 3)
+
+enum fsck_err_opts {
+#define x(t, n) FSCK_FIX_##t,
+ BCH_FIX_ERRORS_OPTS()
+#undef x
+};
+
#define BCH_OPTS() \
x(block_size, u16, \
OPT_FS|OPT_FORMAT| \
NULL, NULL) \
x(compression, u8, \
OPT_FS|OPT_INODE|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
- OPT_STR(bch2_compression_opts), \
+ OPT_FN(bch2_opt_compression), \
BCH_SB_COMPRESSION_TYPE, BCH_COMPRESSION_OPT_none, \
NULL, NULL) \
x(background_compression, u8, \
OPT_FS|OPT_INODE|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
- OPT_STR(bch2_compression_opts), \
+ OPT_FN(bch2_opt_compression), \
BCH_SB_BACKGROUND_COMPRESSION_TYPE,BCH_COMPRESSION_OPT_none, \
NULL, NULL) \
x(str_hash, u8, \
OPT_BOOL(), \
BCH2_NO_SB_OPT, true, \
NULL, "Stash pointer to in memory btree node in btree ptr")\
- x(btree_write_buffer_size, u32, \
- OPT_FS|OPT_MOUNT, \
- OPT_UINT(16, (1U << 20) - 1), \
- BCH2_NO_SB_OPT, 1U << 13, \
- NULL, "Number of btree write buffer entries") \
x(gc_reserve_percent, u8, \
OPT_FS|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
OPT_UINT(5, 21), \
NULL, "Run fsck on mount") \
x(fix_errors, u8, \
OPT_FS|OPT_MOUNT, \
- OPT_BOOL(), \
- BCH2_NO_SB_OPT, false, \
+ OPT_FN(bch2_opt_fix_errors), \
+ BCH2_NO_SB_OPT, FSCK_FIX_exit, \
NULL, "Fix errors during fsck without asking") \
x(ratelimit_errors, u8, \
OPT_FS|OPT_MOUNT, \
BCH2_NO_SB_OPT, BCH_SB_SECTOR, \
"offset", "Sector offset of superblock") \
x(read_only, u8, \
- OPT_FS, \
+ OPT_FS|OPT_MOUNT, \
OPT_BOOL(), \
BCH2_NO_SB_OPT, false, \
NULL, NULL) \
NULL, "Reconstruct alloc btree") \
x(version_upgrade, u8, \
OPT_FS|OPT_MOUNT, \
- OPT_BOOL(), \
- BCH2_NO_SB_OPT, false, \
+ OPT_STR(bch2_version_upgrade_opts), \
+ BCH_SB_VERSION_UPGRADE, BCH_VERSION_UPGRADE_compatible, \
NULL, "Set superblock to latest version,\n" \
"allowing any new features to be used") \
x(buckets_nouse, u8, \
OPT_BOOL(), \
BCH2_NO_SB_OPT, false, \
NULL, "Allocate the buckets_nouse bitmap") \
+ x(stdio, u64, \
+ 0, \
+ OPT_UINT(0, S64_MAX), \
+ BCH2_NO_SB_OPT, false, \
+ NULL, "Pointer to a struct stdio_redirect") \
x(project, u8, \
OPT_INODE, \
OPT_BOOL(), \
OPT_UINT(0, BCH_REPLICAS_MAX), \
BCH2_NO_SB_OPT, 1, \
"n", "Data written to this device will be considered\n"\
- "to have already been replicated n times")
+ "to have already been replicated n times") \
+ x(btree_node_prefetch, u8, \
+ OPT_FS|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_BOOL(), \
+ BCH2_NO_SB_OPT, true, \
+ NULL, "BTREE_ITER_PREFETCH casuse btree nodes to be\n"\
+ " prefetched sequentially")
struct bch_opts {
#define x(_name, _bits, ...) unsigned _name##_defined:1;
#undef x
};
-static const struct bch_opts bch2_opts_default = {
+static const __maybe_unused struct bch_opts bch2_opts_default = {
#define x(_name, _bits, _mode, _type, _sb_opt, _default, ...) \
._name##_defined = true, \
._name = _default, \
u64 min, max;
const char * const *choices;
- int (*parse)(struct bch_fs *, const char *, u64 *);
- void (*to_text)(struct printbuf *, struct bch_fs *, struct bch_sb *, u64);
+
+ struct bch_opt_fn fn;
const char *hint;
const char *help;