]> git.sesse.net Git - bcachefs-tools-debian/blobdiff - libbcachefs/btree_types.h
Update bcachefs sources to 717b356d1d bcachefs: Convert journal validation to bkey_in...
[bcachefs-tools-debian] / libbcachefs / btree_types.h
index d89489e4e4a5b19e5709c9db9cae4e9b7ff3f7da..6b6333df88f2efb701ad409058cb4b164a2acb21 100644 (file)
@@ -9,7 +9,9 @@
 //#include "bkey_methods.h"
 #include "buckets_types.h"
 #include "darray.h"
+#include "errcode.h"
 #include "journal_types.h"
+#include "replicas_types.h"
 
 struct open_bucket;
 struct btree_update;
@@ -77,7 +79,6 @@ struct btree {
        u8                      nsets;
        u8                      nr_key_bits;
        u16                     version_ondisk;
-       u8                      write_type;
 
        struct bkey_format      format;
 
@@ -193,31 +194,34 @@ struct btree_node_iter {
 /*
  * Iterate over all possible positions, synthesizing deleted keys for holes:
  */
-#define BTREE_ITER_SLOTS               (1 << 0)
-#define BTREE_ITER_ALL_LEVELS          (1 << 1)
+static const u16 BTREE_ITER_SLOTS              = 1 << 0;
+static const u16 BTREE_ITER_ALL_LEVELS         = 1 << 1;
 /*
  * Indicates that intent locks should be taken on leaf nodes, because we expect
  * to be doing updates:
  */
-#define BTREE_ITER_INTENT              (1 << 2)
+static const u16 BTREE_ITER_INTENT             = 1 << 2;
 /*
  * Causes the btree iterator code to prefetch additional btree nodes from disk:
  */
-#define BTREE_ITER_PREFETCH            (1 << 3)
+static const u16 BTREE_ITER_PREFETCH           = 1 << 3;
 /*
  * Used in bch2_btree_iter_traverse(), to indicate whether we're searching for
  * @pos or the first key strictly greater than @pos
  */
-#define BTREE_ITER_IS_EXTENTS          (1 << 4)
-#define BTREE_ITER_NOT_EXTENTS         (1 << 5)
-#define BTREE_ITER_CACHED              (1 << 6)
-#define BTREE_ITER_WITH_KEY_CACHE      (1 << 7)
-#define BTREE_ITER_WITH_UPDATES                (1 << 8)
-#define BTREE_ITER_WITH_JOURNAL                (1 << 9)
-#define __BTREE_ITER_ALL_SNAPSHOTS     (1 << 10)
-#define BTREE_ITER_ALL_SNAPSHOTS       (1 << 11)
-#define BTREE_ITER_FILTER_SNAPSHOTS    (1 << 12)
-#define BTREE_ITER_NOPRESERVE          (1 << 13)
+static const u16 BTREE_ITER_IS_EXTENTS         = 1 << 4;
+static const u16 BTREE_ITER_NOT_EXTENTS                = 1 << 5;
+static const u16 BTREE_ITER_CACHED             = 1 << 6;
+static const u16 BTREE_ITER_WITH_KEY_CACHE     = 1 << 7;
+static const u16 BTREE_ITER_WITH_UPDATES       = 1 << 8;
+static const u16 BTREE_ITER_WITH_JOURNAL       = 1 << 9;
+static const u16 __BTREE_ITER_ALL_SNAPSHOTS    = 1 << 10;
+static const u16 BTREE_ITER_ALL_SNAPSHOTS      = 1 << 11;
+static const u16 BTREE_ITER_FILTER_SNAPSHOTS   = 1 << 12;
+static const u16 BTREE_ITER_NOPRESERVE         = 1 << 13;
+static const u16 BTREE_ITER_CACHED_NOFILL      = 1 << 14;
+static const u16 BTREE_ITER_KEY_CACHE_FILL     = 1 << 15;
+#define __BTREE_ITER_FLAGS_END                        16
 
 enum btree_path_uptodate {
        BTREE_ITER_UPTODATE             = 0,
@@ -225,6 +229,10 @@ enum btree_path_uptodate {
        BTREE_ITER_NEED_TRAVERSE        = 2,
 };
 
+#if defined(CONFIG_BCACHEFS_LOCK_TIME_STATS) || defined(CONFIG_BCACHEFS_DEBUG)
+#define TRACK_PATH_ALLOCATED
+#endif
+
 struct btree_path {
        u8                      idx;
        u8                      sorted_idx;
@@ -234,7 +242,7 @@ struct btree_path {
        /* btree_iter_copy starts here: */
        struct bpos             pos;
 
-       enum btree_id           btree_id:4;
+       enum btree_id           btree_id:5;
        bool                    cached:1;
        bool                    preserve:1;
        enum btree_path_uptodate uptodate:2;
@@ -244,7 +252,7 @@ struct btree_path {
         */
        bool                    should_be_locked:1;
        unsigned                level:3,
-                               locks_want:4;
+                               locks_want:3;
        u8                      nodes_locked;
 
        struct btree_path_level {
@@ -255,7 +263,7 @@ struct btree_path {
                u64             lock_taken_time;
 #endif
        }                       l[BTREE_MAX_DEPTH];
-#ifdef CONFIG_BCACHEFS_DEBUG
+#ifdef TRACK_PATH_ALLOCATED
        unsigned long           ip_allocated;
 #endif
 };
@@ -265,6 +273,15 @@ static inline struct btree_path_level *path_l(struct btree_path *path)
        return path->l + path->level;
 }
 
+static inline unsigned long btree_path_ip_allocated(struct btree_path *path)
+{
+#ifdef TRACK_PATH_ALLOCATED
+       return path->ip_allocated;
+#else
+       return _THIS_IP_;
+#endif
+}
+
 /*
  * @pos                        - iterator's current position
  * @level              - current btree depth
@@ -278,7 +295,7 @@ struct btree_iter {
        struct btree_path       *update_path;
        struct btree_path       *key_cache_path;
 
-       enum btree_id           btree_id:4;
+       enum btree_id           btree_id:8;
        unsigned                min_depth:3;
        unsigned                advanced:1;
 
@@ -289,7 +306,6 @@ struct btree_iter {
        unsigned                snapshot;
 
        struct bpos             pos;
-       struct bpos             pos_after_commit;
        /*
         * Current unpacked key - so that bch2_btree_iter_next()/
         * bch2_btree_iter_next_slot() can correctly advance pos.
@@ -299,7 +315,7 @@ struct btree_iter {
        /* BTREE_ITER_WITH_JOURNAL: */
        size_t                  journal_idx;
        struct bpos             journal_pos;
-#ifdef CONFIG_BCACHEFS_DEBUG
+#ifdef TRACK_PATH_ALLOCATED
        unsigned long           ip_allocated;
 #endif
 };
@@ -346,6 +362,7 @@ struct bkey_cached {
 
        struct journal_preres   res;
        struct journal_entry_pin journal;
+       u64                     seq;
 
        struct bkey_i           *k;
 };
@@ -373,17 +390,14 @@ struct btree_insert_entry {
        u8                      old_btree_u64s;
        struct bkey_i           *k;
        struct btree_path       *path;
+       u64                     seq;
        /* key being overwritten: */
        struct bkey             old_k;
        const struct bch_val    *old_v;
        unsigned long           ip_allocated;
 };
 
-#ifndef CONFIG_LOCKDEP
 #define BTREE_ITER_MAX         64
-#else
-#define BTREE_ITER_MAX         32
-#endif
 
 struct btree_trans_commit_hook;
 typedef int (btree_trans_commit_hook_fn)(struct btree_trans *, struct btree_trans_commit_hook *);
@@ -414,15 +428,21 @@ struct btree_trans {
        u8                      fn_idx;
        u8                      nr_sorted;
        u8                      nr_updates;
-       u8                      traverse_all_idx;
+       u8                      nr_wb_updates;
+       u8                      wb_updates_size;
        bool                    used_mempool:1;
        bool                    in_traverse_all:1;
+       bool                    paths_sorted:1;
        bool                    memory_allocation_failure:1;
-       bool                    is_initial_gc:1;
+       bool                    journal_transaction_names:1;
        bool                    journal_replay_not_finished:1;
+       bool                    is_initial_gc:1;
+       bool                    notrace_relock_fail:1;
        enum bch_errcode        restarted:16;
        u32                     restart_count;
+       unsigned long           last_begin_ip;
        unsigned long           last_restarted_ip;
+       unsigned long           srcu_lock_time;
 
        /*
         * For when bch2_trans_update notices we'll be splitting a compressed
@@ -438,25 +458,42 @@ struct btree_trans {
        unsigned                mem_bytes;
        void                    *mem;
 
-       u8                      sorted[BTREE_ITER_MAX];
+       u8                      sorted[BTREE_ITER_MAX + 8];
        struct btree_path       *paths;
        struct btree_insert_entry *updates;
+       struct btree_write_buffered_key *wb_updates;
 
        /* update path: */
        struct btree_trans_commit_hook *hooks;
-       DARRAY(u64)             extra_journal_entries;
+       darray_u64              extra_journal_entries;
        struct journal_entry_pin *journal_pin;
 
        struct journal_res      journal_res;
        struct journal_preres   journal_preres;
        u64                     *journal_seq;
        struct disk_reservation *disk_res;
-       unsigned                flags;
        unsigned                journal_u64s;
        unsigned                journal_preres_u64s;
        struct replicas_delta_list *fs_usage_deltas;
 };
 
+#define BCH_BTREE_WRITE_TYPES()                                                \
+       x(initial,              0)                                      \
+       x(init_next_bset,       1)                                      \
+       x(cache_reclaim,        2)                                      \
+       x(journal_reclaim,      3)                                      \
+       x(interior,             4)
+
+enum btree_write_type {
+#define x(t, n) BTREE_WRITE_##t,
+       BCH_BTREE_WRITE_TYPES()
+#undef x
+       BTREE_WRITE_TYPE_NR,
+};
+
+#define BTREE_WRITE_TYPE_MASK  (roundup_pow_of_two(BTREE_WRITE_TYPE_NR) - 1)
+#define BTREE_WRITE_TYPE_BITS  ilog2(roundup_pow_of_two(BTREE_WRITE_TYPE_NR))
+
 #define BTREE_FLAGS()                                                  \
        x(read_in_flight)                                               \
        x(read_error)                                                   \
@@ -476,6 +513,8 @@ struct btree_trans {
        x(never_write)
 
 enum btree_flags {
+       /* First bits for btree node write type */
+       BTREE_NODE_FLAGS_START = BTREE_WRITE_TYPE_BITS - 1,
 #define x(flag)        BTREE_NODE_##flag,
        BTREE_FLAGS()
 #undef x
@@ -604,7 +643,7 @@ static inline unsigned bset_byte_offset(struct btree *b, void *i)
 }
 
 enum btree_node_type {
-#define x(kwd, val) BKEY_TYPE_##kwd = val,
+#define x(kwd, val, ...) BKEY_TYPE_##kwd = val,
        BCH_BTREE_IDS()
 #undef x
        BKEY_TYPE_btree,
@@ -623,56 +662,64 @@ static inline enum btree_node_type btree_node_type(struct btree *b)
 }
 
 #define BTREE_NODE_TYPE_HAS_TRANS_TRIGGERS             \
-       ((1U << BKEY_TYPE_extents)|                     \
-        (1U << BKEY_TYPE_alloc)|                       \
-        (1U << BKEY_TYPE_inodes)|                      \
-        (1U << BKEY_TYPE_stripes)|                     \
-        (1U << BKEY_TYPE_reflink)|                     \
-        (1U << BKEY_TYPE_btree))
+       (BIT(BKEY_TYPE_extents)|                        \
+        BIT(BKEY_TYPE_alloc)|                          \
+        BIT(BKEY_TYPE_inodes)|                         \
+        BIT(BKEY_TYPE_stripes)|                        \
+        BIT(BKEY_TYPE_reflink)|                        \
+        BIT(BKEY_TYPE_btree))
 
 #define BTREE_NODE_TYPE_HAS_MEM_TRIGGERS               \
-       ((1U << BKEY_TYPE_alloc)|                       \
-        (1U << BKEY_TYPE_inodes)|                      \
-        (1U << BKEY_TYPE_stripes)|                     \
-        (1U << BKEY_TYPE_snapshots))
+       (BIT(BKEY_TYPE_alloc)|                          \
+        BIT(BKEY_TYPE_inodes)|                         \
+        BIT(BKEY_TYPE_stripes)|                        \
+        BIT(BKEY_TYPE_snapshots))
 
 #define BTREE_NODE_TYPE_HAS_TRIGGERS                   \
        (BTREE_NODE_TYPE_HAS_TRANS_TRIGGERS|            \
         BTREE_NODE_TYPE_HAS_MEM_TRIGGERS)
 
-#define BTREE_ID_IS_EXTENTS                            \
-       ((1U << BTREE_ID_extents)|                      \
-        (1U << BTREE_ID_reflink)|                      \
-        (1U << BTREE_ID_freespace))
+static inline bool btree_node_type_needs_gc(enum btree_node_type type)
+{
+       return BTREE_NODE_TYPE_HAS_TRIGGERS & (1U << type);
+}
 
 static inline bool btree_node_type_is_extents(enum btree_node_type type)
 {
-       return (1U << type) & BTREE_ID_IS_EXTENTS;
-}
+       const unsigned mask = 0
+#define x(name, nr, flags, ...)        |((!!((flags) & BTREE_ID_EXTENTS)) << nr)
+       BCH_BTREE_IDS()
+#undef x
+       ;
 
-#define BTREE_ID_HAS_SNAPSHOTS                         \
-       ((1U << BTREE_ID_extents)|                      \
-        (1U << BTREE_ID_inodes)|                       \
-        (1U << BTREE_ID_dirents)|                      \
-        (1U << BTREE_ID_xattrs))
+       return (1U << type) & mask;
+}
 
-#define BTREE_ID_HAS_PTRS                              \
-       ((1U << BTREE_ID_extents)|                      \
-        (1U << BTREE_ID_reflink))
+static inline bool btree_id_is_extents(enum btree_id btree)
+{
+       return btree_node_type_is_extents((enum btree_node_type) btree);
+}
 
 static inline bool btree_type_has_snapshots(enum btree_id id)
 {
-       return (1 << id) & BTREE_ID_HAS_SNAPSHOTS;
+       const unsigned mask = 0
+#define x(name, nr, flags, ...)        |((!!((flags) & BTREE_ID_SNAPSHOTS)) << nr)
+       BCH_BTREE_IDS()
+#undef x
+       ;
+
+       return (1U << id) & mask;
 }
 
 static inline bool btree_type_has_ptrs(enum btree_id id)
 {
-       return (1 << id) & BTREE_ID_HAS_PTRS;
-}
+       const unsigned mask = 0
+#define x(name, nr, flags, ...)        |((!!((flags) & BTREE_ID_DATA)) << nr)
+       BCH_BTREE_IDS()
+#undef x
+       ;
 
-static inline bool btree_node_type_needs_gc(enum btree_node_type type)
-{
-       return BTREE_NODE_TYPE_HAS_TRIGGERS & (1U << type);
+       return (1U << id) & mask;
 }
 
 struct btree_root {
@@ -685,15 +732,6 @@ struct btree_root {
        s8                      error;
 };
 
-enum btree_insert_ret {
-       BTREE_INSERT_OK,
-       /* leaf node needs to be split */
-       BTREE_INSERT_BTREE_NODE_FULL,
-       BTREE_INSERT_NEED_MARK_REPLICAS,
-       BTREE_INSERT_NEED_JOURNAL_RES,
-       BTREE_INSERT_NEED_JOURNAL_RECLAIM,
-};
-
 enum btree_gc_coalesce_fail_reason {
        BTREE_GC_COALESCE_FAIL_RESERVE_GET,
        BTREE_GC_COALESCE_FAIL_KEYLIST_REALLOC,