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Diffstat (limited to 'fs/bcachefs/opts.h')
-rw-r--r--fs/bcachefs/opts.h150
1 files changed, 95 insertions, 55 deletions
diff --git a/fs/bcachefs/opts.h b/fs/bcachefs/opts.h
index c325a094ae43..719693b333da 100644
--- a/fs/bcachefs/opts.h
+++ b/fs/bcachefs/opts.h
@@ -8,6 +8,7 @@
#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[];
@@ -42,7 +43,8 @@ static inline const char *bch2_d_type_str(unsigned d_type)
*/
/* 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 {
@@ -90,6 +92,12 @@ enum opt_type {
#define RATELIMIT_ERRORS_DEFAULT false
#endif
+#ifdef CONFIG_BCACHEFS_DEBUG
+#define BCACHEFS_VERBOSE_DEFAULT true
+#else
+#define BCACHEFS_VERBOSE_DEFAULT false
+#endif
+
#define BCH_OPTS() \
x(block_size, u16, \
OPT_FS|OPT_FORMAT| \
@@ -163,22 +171,22 @@ enum opt_type {
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(), \
@@ -202,8 +210,13 @@ enum opt_type {
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(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), \
@@ -229,7 +242,7 @@ enum opt_type {
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, \
@@ -254,26 +267,26 @@ enum opt_type {
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, BCACHEFS_VERBOSE_DEFAULT, \
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, \
@@ -288,47 +301,57 @@ enum opt_type {
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, "Maximum Amount of IO to keep in flight by the move path")\
+ x(move_ios_in_flight, u32, \
+ OPT_FS|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_UINT(1, 1024), \
+ BCH2_NO_SB_OPT, 32, \
+ NULL, "Maximum number of IOs 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(read_journal_only, u8, \
+ 0, \
+ OPT_BOOL(), \
+ BCH2_NO_SB_OPT, false, \
+ NULL, "Only read the journal, skip the rest of recovery")\
x(journal_transaction_names, u8, \
OPT_FS|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
OPT_BOOL(), \
@@ -337,53 +360,82 @@ enum opt_type {
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(), \
+ 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(nocow, u8, \
+ OPT_FS|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME|OPT_INODE, \
+ OPT_BOOL(), \
+ BCH_SB_NOCOW, false, \
+ NULL, "Nocow mode: Writes will be done in place when possible.\n"\
+ "Snapshots and reflink will still caused writes to be COW\n"\
+ "Implicitly disables data checksumming, compression and encryption")\
+ x(nocow_enabled, u8, \
+ OPT_FS|OPT_MOUNT, \
+ OPT_BOOL(), \
+ BCH2_NO_SB_OPT, true, \
+ NULL, "Enable nocow mode: enables runtime locking in\n"\
+ "data move path needed if nocow will ever be in use\n")\
+ x(no_data_io, u8, \
+ OPT_MOUNT, \
+ OPT_BOOL(), \
+ BCH2_NO_SB_OPT, false, \
+ NULL, "Skip submit_bio() for data reads and writes, " \
+ "for performance testing purposes") \
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")
@@ -442,17 +494,9 @@ struct bch_option {
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;
@@ -465,18 +509,20 @@ bool bch2_opt_defined_by_id(const struct bch_opts *, enum bch_opt_id);
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);
@@ -486,18 +532,12 @@ int bch2_parse_mount_opts(struct bch_fs *, struct bch_opts *, char *);
/* inode opts: */
struct bch_io_opts {
-#define x(_name, _bits) unsigned _name##_defined:1;
- BCH_INODE_OPTS()
-#undef x
-
#define x(_name, _bits) u##_bits _name;
BCH_INODE_OPTS()
#undef x
};
struct bch_io_opts bch2_opts_to_inode_opts(struct bch_opts);
-struct bch_opts bch2_inode_opts_to_opts(struct bch_io_opts);
-void bch2_io_opts_apply(struct bch_io_opts *, struct bch_io_opts);
bool bch2_opt_is_inode_opt(enum bch_opt_id);
#endif /* _BCACHEFS_OPTS_H */
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-15 15:26:44 +0000