#include <linux/sysfs.h>
#include "bcachefs_format.h"
+extern const char * const bch2_metadata_versions[];
extern const char * const bch2_error_actions[];
extern const char * const bch2_sb_features[];
extern const char * const bch2_sb_compat[];
*/
/* dummy option, for options that aren't stored in the superblock */
-LE64_BITMASK(NO_SB_OPT, struct bch_sb, flags[0], 0, 0);
+u64 BCH2_NO_SB_OPT(const struct bch_sb *);
+void SET_BCH2_NO_SB_OPT(struct bch_sb *, u64);
/* When can be set: */
enum opt_flags {
OPT_FS|OPT_INODE|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
OPT_FN(bch2_opt_target), \
BCH_SB_METADATA_TARGET, 0, \
- "(target)", "Device or disk group for metadata writes") \
+ "(target)", "Device or label for metadata writes") \
x(foreground_target, u16, \
OPT_FS|OPT_INODE|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
OPT_FN(bch2_opt_target), \
BCH_SB_FOREGROUND_TARGET, 0, \
- "(target)", "Device or disk group for foreground writes") \
+ "(target)", "Device or label for foreground writes") \
x(background_target, u16, \
OPT_FS|OPT_INODE|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
OPT_FN(bch2_opt_target), \
BCH_SB_BACKGROUND_TARGET, 0, \
- "(target)", "Device or disk group to move data to in the background")\
+ "(target)", "Device or label to move data to in the background")\
x(promote_target, u16, \
OPT_FS|OPT_INODE|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
OPT_FN(bch2_opt_target), \
BCH_SB_PROMOTE_TARGET, 0, \
- "(target)", "Device or disk group to promote data to on read")\
+ "(target)", "Device or label to promote data to on read") \
x(erasure_code, u16, \
OPT_FS|OPT_INODE|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
OPT_BOOL(), \
x(btree_node_mem_ptr_optimization, u8, \
OPT_FS|OPT_MOUNT|OPT_RUNTIME, \
OPT_BOOL(), \
- NO_SB_OPT, true, \
+ BCH2_NO_SB_OPT, true, \
NULL, "Stash pointer to in memory btree node in btree ptr")\
x(gc_reserve_percent, u8, \
OPT_FS|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
x(inline_data, u8, \
OPT_FS|OPT_MOUNT|OPT_RUNTIME, \
OPT_BOOL(), \
- NO_SB_OPT, true, \
+ BCH2_NO_SB_OPT, true, \
NULL, "Enable inline data extents") \
x(acl, u8, \
OPT_FS|OPT_FORMAT|OPT_MOUNT, \
x(degraded, u8, \
OPT_FS|OPT_MOUNT, \
OPT_BOOL(), \
- NO_SB_OPT, false, \
+ BCH2_NO_SB_OPT, false, \
NULL, "Allow mounting in degraded mode") \
x(very_degraded, u8, \
OPT_FS|OPT_MOUNT, \
OPT_BOOL(), \
- NO_SB_OPT, false, \
+ BCH2_NO_SB_OPT, false, \
NULL, "Allow mounting in when data will be missing") \
x(discard, u8, \
OPT_FS|OPT_MOUNT|OPT_DEVICE, \
OPT_BOOL(), \
- NO_SB_OPT, false, \
+ BCH2_NO_SB_OPT, true, \
NULL, "Enable discard/TRIM support") \
x(verbose, u8, \
- OPT_FS|OPT_MOUNT, \
+ OPT_FS|OPT_MOUNT|OPT_RUNTIME, \
OPT_BOOL(), \
- NO_SB_OPT, false, \
+ BCH2_NO_SB_OPT, false, \
NULL, "Extra debugging information during mount/recovery")\
x(journal_flush_delay, u32, \
OPT_FS|OPT_MOUNT|OPT_RUNTIME, \
- OPT_UINT(0, U32_MAX), \
+ OPT_UINT(1, U32_MAX), \
BCH_SB_JOURNAL_FLUSH_DELAY, 1000, \
NULL, "Delay in milliseconds before automatic journal commits")\
x(journal_flush_disabled, u8, \
OPT_UINT(0, U32_MAX), \
BCH_SB_JOURNAL_RECLAIM_DELAY, 100, \
NULL, "Delay in milliseconds before automatic journal reclaim")\
+ x(move_bytes_in_flight, u32, \
+ OPT_HUMAN_READABLE|OPT_FS|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_UINT(1024, U32_MAX), \
+ BCH2_NO_SB_OPT, 1U << 20, \
+ NULL, "Amount of IO in flight to keep in flight by the move path")\
x(fsck, u8, \
OPT_FS|OPT_MOUNT, \
OPT_BOOL(), \
- NO_SB_OPT, false, \
+ BCH2_NO_SB_OPT, false, \
NULL, "Run fsck on mount") \
x(fix_errors, u8, \
OPT_FS|OPT_MOUNT, \
OPT_BOOL(), \
- NO_SB_OPT, false, \
+ BCH2_NO_SB_OPT, false, \
NULL, "Fix errors during fsck without asking") \
x(ratelimit_errors, u8, \
OPT_FS|OPT_MOUNT, \
OPT_BOOL(), \
- NO_SB_OPT, RATELIMIT_ERRORS_DEFAULT, \
+ BCH2_NO_SB_OPT, RATELIMIT_ERRORS_DEFAULT, \
NULL, "Ratelimit error messages during fsck") \
x(nochanges, u8, \
OPT_FS|OPT_MOUNT, \
OPT_BOOL(), \
- NO_SB_OPT, false, \
+ BCH2_NO_SB_OPT, false, \
NULL, "Super read only mode - no writes at all will be issued,\n"\
"even if we have to replay the journal") \
x(norecovery, u8, \
OPT_FS|OPT_MOUNT, \
OPT_BOOL(), \
- NO_SB_OPT, false, \
+ BCH2_NO_SB_OPT, false, \
NULL, "Don't replay the journal") \
- x(rebuild_replicas, u8, \
- OPT_FS|OPT_MOUNT, \
- OPT_BOOL(), \
- NO_SB_OPT, false, \
- NULL, "Rebuild the superblock replicas section") \
x(keep_journal, u8, \
0, \
OPT_BOOL(), \
- NO_SB_OPT, false, \
+ BCH2_NO_SB_OPT, false, \
NULL, "Don't free journal entries/keys after startup")\
x(read_entire_journal, u8, \
0, \
OPT_BOOL(), \
- NO_SB_OPT, false, \
+ BCH2_NO_SB_OPT, false, \
NULL, "Read all journal entries, not just dirty ones")\
- x(journal_transaction_names, u8, \
- OPT_FS|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
+ x(read_journal_only, u8, \
+ 0, \
OPT_BOOL(), \
- BCH_SB_JOURNAL_TRANSACTION_NAMES, true, \
- NULL, "Log transaction function names in journal") \
+ BCH2_NO_SB_OPT, false, \
+ NULL, "Only read the journal, skip the rest of recovery")\
x(noexcl, u8, \
OPT_FS|OPT_MOUNT, \
OPT_BOOL(), \
- NO_SB_OPT, false, \
+ BCH2_NO_SB_OPT, false, \
NULL, "Don't open device in exclusive mode") \
+ x(direct_io, u8, \
+ OPT_FS|OPT_MOUNT, \
+ OPT_BOOL(), \
+ BCH2_NO_SB_OPT, true, \
+ NULL, "Use O_DIRECT (userspace only)") \
x(sb, u64, \
OPT_MOUNT, \
OPT_UINT(0, S64_MAX), \
- NO_SB_OPT, BCH_SB_SECTOR, \
+ BCH2_NO_SB_OPT, BCH_SB_SECTOR, \
"offset", "Sector offset of superblock") \
x(read_only, u8, \
OPT_FS, \
OPT_BOOL(), \
- NO_SB_OPT, false, \
+ BCH2_NO_SB_OPT, false, \
NULL, NULL) \
x(nostart, u8, \
0, \
OPT_BOOL(), \
- NO_SB_OPT, false, \
+ BCH2_NO_SB_OPT, false, \
NULL, "Don\'t start filesystem, only open devices") \
x(reconstruct_alloc, u8, \
OPT_FS|OPT_MOUNT, \
OPT_BOOL(), \
- NO_SB_OPT, false, \
+ BCH2_NO_SB_OPT, false, \
NULL, "Reconstruct alloc btree") \
x(version_upgrade, u8, \
OPT_FS|OPT_MOUNT, \
OPT_BOOL(), \
- NO_SB_OPT, false, \
+ BCH2_NO_SB_OPT, false, \
NULL, "Set superblock to latest version,\n" \
"allowing any new features to be used") \
x(buckets_nouse, u8, \
0, \
OPT_BOOL(), \
- NO_SB_OPT, false, \
+ BCH2_NO_SB_OPT, false, \
NULL, "Allocate the buckets_nouse bitmap") \
x(project, u8, \
OPT_INODE, \
OPT_BOOL(), \
- NO_SB_OPT, false, \
+ BCH2_NO_SB_OPT, false, \
NULL, NULL) \
x(fs_size, u64, \
OPT_DEVICE, \
OPT_UINT(0, S64_MAX), \
- NO_SB_OPT, 0, \
+ BCH2_NO_SB_OPT, 0, \
"size", "Size of filesystem on device") \
x(bucket, u32, \
OPT_DEVICE, \
OPT_UINT(0, S64_MAX), \
- NO_SB_OPT, 0, \
+ BCH2_NO_SB_OPT, 0, \
"size", "Size of filesystem on device") \
x(durability, u8, \
OPT_DEVICE, \
OPT_UINT(0, BCH_REPLICAS_MAX), \
- NO_SB_OPT, 1, \
+ BCH2_NO_SB_OPT, 1, \
"n", "Data written to this device will be considered\n"\
"to have already been replicated n times")
enum opt_flags flags;
u64 min, max;
- union {
- struct {
- };
- struct {
- const char * const *choices;
- };
- struct {
- int (*parse)(struct bch_fs *, const char *, u64 *);
- void (*to_text)(struct printbuf *, struct bch_fs *, u64);
- };
- };
+ const char * const *choices;
+ int (*parse)(struct bch_fs *, const char *, u64 *);
+ void (*to_text)(struct printbuf *, struct bch_fs *, struct bch_sb *, u64);
const char *hint;
const char *help;
u64 bch2_opt_get_by_id(const struct bch_opts *, enum bch_opt_id);
void bch2_opt_set_by_id(struct bch_opts *, enum bch_opt_id, u64);
+u64 bch2_opt_from_sb(struct bch_sb *, enum bch_opt_id);
int bch2_opts_from_sb(struct bch_opts *, struct bch_sb *);
void __bch2_opt_set_sb(struct bch_sb *, const struct bch_option *, u64);
void bch2_opt_set_sb(struct bch_fs *, const struct bch_option *, u64);
int bch2_opt_lookup(const char *);
-int bch2_opt_parse(struct bch_fs *, const char *, const struct bch_option *,
- const char *, u64 *);
+int bch2_opt_validate(const struct bch_option *, u64, struct printbuf *);
+int bch2_opt_parse(struct bch_fs *, const struct bch_option *,
+ const char *, u64 *, struct printbuf *);
#define OPT_SHOW_FULL_LIST (1 << 0)
#define OPT_SHOW_MOUNT_STYLE (1 << 1)
-void bch2_opt_to_text(struct printbuf *, struct bch_fs *,
+void bch2_opt_to_text(struct printbuf *, struct bch_fs *, struct bch_sb *,
const struct bch_option *, u64, unsigned);
int bch2_opt_check_may_set(struct bch_fs *, int, u64);