Update bcachefs sources to 26c226917f bcachefs: Start/stop io clock hands in read...

[bcachefs-tools-debian] / libbcachefs / btree_update.h

diff --git a/libbcachefs/btree_update.h b/libbcachefs/btree_update.h
index ad8cbf3fb778aec5b05d9cb0c69f78ea609eb9a1..e0b1bde37484d990528aa9f78237d5b76bf2d440 100644 (file)
--- a/libbcachefs/btree_update.h
+++ b/libbcachefs/btree_update.h
@@ -12,11 +12,9 @@ void bch2_btree_node_lock_for_insert(struct bch_fs *, struct btree *,
                                     struct btree_iter *);
 bool bch2_btree_bset_insert_key(struct btree_iter *, struct btree *,
                                struct btree_node_iter *, struct bkey_i *);
-void bch2_btree_journal_key(struct btree_trans *, struct btree_iter *,
-                           struct bkey_i *);
+void bch2_btree_add_journal_pin(struct bch_fs *, struct btree *, u64);
 
-enum {
-       __BTREE_INSERT_ATOMIC,
+enum btree_insert_flags {
        __BTREE_INSERT_NOUNLOCK,
        __BTREE_INSERT_NOFAIL,
        __BTREE_INSERT_NOCHECK_RW,
@@ -25,22 +23,13 @@ enum {
        __BTREE_INSERT_USE_ALLOC_RESERVE,
        __BTREE_INSERT_JOURNAL_REPLAY,
        __BTREE_INSERT_JOURNAL_RESERVED,
-       __BTREE_INSERT_NOMARK_OVERWRITES,
-       __BTREE_INSERT_NOMARK,
-       __BTREE_INSERT_NO_CLEAR_REPLICAS,
-       __BTREE_INSERT_BUCKET_INVALIDATE,
+       __BTREE_INSERT_JOURNAL_RECLAIM,
        __BTREE_INSERT_NOWAIT,
        __BTREE_INSERT_GC_LOCK_HELD,
        __BCH_HASH_SET_MUST_CREATE,
        __BCH_HASH_SET_MUST_REPLACE,
 };
 
-/*
- * Don't drop/retake locks before doing btree update, instead return -EINTR if
- * we had to drop locks for any reason
- */
-#define BTREE_INSERT_ATOMIC            (1 << __BTREE_INSERT_ATOMIC)
-
 /*
  * Don't drop locks _after_ successfully updating btree:
  */
@@ -59,17 +48,11 @@ enum {
 /* Insert is for journal replay - don't get journal reservations: */
 #define BTREE_INSERT_JOURNAL_REPLAY    (1 << __BTREE_INSERT_JOURNAL_REPLAY)
 
+/* Indicates that we have pre-reserved space in the journal: */
 #define BTREE_INSERT_JOURNAL_RESERVED  (1 << __BTREE_INSERT_JOURNAL_RESERVED)
 
-/* Don't mark overwrites, just new key: */
-#define BTREE_INSERT_NOMARK_OVERWRITES (1 << __BTREE_INSERT_NOMARK_OVERWRITES)
-
-/* Don't call mark new key at all: */
-#define BTREE_INSERT_NOMARK            (1 << __BTREE_INSERT_NOMARK)
-
-#define BTREE_INSERT_NO_CLEAR_REPLICAS (1 << __BTREE_INSERT_NO_CLEAR_REPLICAS)
-
-#define BTREE_INSERT_BUCKET_INVALIDATE (1 << __BTREE_INSERT_BUCKET_INVALIDATE)
+/* Insert is being called from journal reclaim path: */
+#define BTREE_INSERT_JOURNAL_RECLAIM (1 << __BTREE_INSERT_JOURNAL_RECLAIM)
 
 /* Don't block on allocation failure (for new btree nodes: */
 #define BTREE_INSERT_NOWAIT            (1 << __BTREE_INSERT_NOWAIT)
@@ -80,6 +63,7 @@ enum {
 
 int bch2_btree_delete_at(struct btree_trans *, struct btree_iter *, unsigned);
 
+int __bch2_btree_insert(struct btree_trans *, enum btree_id, struct bkey_i *);
 int bch2_btree_insert(struct bch_fs *, enum btree_id, struct bkey_i *,
                     struct disk_reservation *, u64 *, int flags);
 
@@ -91,8 +75,10 @@ int bch2_btree_delete_range(struct bch_fs *, enum btree_id,
 int bch2_btree_node_rewrite(struct bch_fs *c, struct btree_iter *,
                            __le64, unsigned);
 int bch2_btree_node_update_key(struct bch_fs *, struct btree_iter *,
-                              struct btree *, struct bkey_i_btree_ptr *);
+                              struct btree *, struct bkey_i *);
 
+int bch2_trans_update(struct btree_trans *, struct btree_iter *,
+                     struct bkey_i *, enum btree_trigger_flags);
 int __bch2_trans_commit(struct btree_trans *);
 
 /**
@@ -101,8 +87,7 @@ int __bch2_trans_commit(struct btree_trans *);
  * This is main entry point for btree updates.
  *
  * Return values:
- * -EINTR: locking changed, this function should be called again. Only returned
- *  if passed BTREE_INSERT_ATOMIC.
+ * -EINTR: locking changed, this function should be called again.
  * -EROFS: filesystem read only
  * -EIO: journal or btree node IO error
  */
@@ -118,40 +103,42 @@ static inline int bch2_trans_commit(struct btree_trans *trans,
        return __bch2_trans_commit(trans);
 }
 
-static inline void bch2_trans_update(struct btree_trans *trans,
-                                    struct btree_iter *iter,
-                                    struct bkey_i *k)
-{
-       EBUG_ON(trans->nr_updates >= trans->nr_iters + 4);
-
-       iter->flags |= BTREE_ITER_KEEP_UNTIL_COMMIT;
-
-       trans->updates[trans->nr_updates++] = (struct btree_insert_entry) {
-               .iter = iter, .k = k
-       };
-}
-
-#define bch2_trans_do(_c, _journal_seq, _flags, _do)                   \
+#define __bch2_trans_do(_trans, _disk_res, _journal_seq, _flags, _do)  \
 ({                                                                     \
-       struct btree_trans trans;                                       \
        int _ret;                                                       \
                                                                        \
-       bch2_trans_init(&trans, (_c), 0, 0);                            \
-                                                                       \
-       do {                                                            \
-               bch2_trans_begin(&trans);                               \
-                                                                       \
-               _ret = (_do) ?: bch2_trans_commit(&trans, NULL,         \
+       while (1) {                                                     \
+               _ret = (_do) ?: bch2_trans_commit(_trans, (_disk_res),  \
                                        (_journal_seq), (_flags));      \
-       } while (_ret == -EINTR);                                       \
+               if (_ret != -EINTR)                                     \
+                       break;                                          \
+               bch2_trans_reset(_trans, 0);                            \
+       }                                                               \
                                                                        \
-       bch2_trans_exit(&trans);                                        \
        _ret;                                                           \
 })
 
+#define bch2_trans_do(_c, _disk_res, _journal_seq, _flags, _do)                \
+({                                                                     \
+       struct btree_trans trans;                                       \
+       int _ret, _ret2;                                                \
+                                                                       \
+       bch2_trans_init(&trans, (_c), 0, 0);                            \
+       _ret = __bch2_trans_do(&trans, _disk_res, _journal_seq, _flags, \
+                              _do);                                    \
+       _ret2 = bch2_trans_exit(&trans);                                \
+                                                                       \
+       _ret ?: _ret2;                                                  \
+})
+
 #define trans_for_each_update(_trans, _i)                              \
        for ((_i) = (_trans)->updates;                                  \
             (_i) < (_trans)->updates + (_trans)->nr_updates;           \
             (_i)++)
 
+#define trans_for_each_update2(_trans, _i)                             \
+       for ((_i) = (_trans)->updates2;                                 \
+            (_i) < (_trans)->updates2 + (_trans)->nr_updates2;         \
+            (_i)++)
+
 #endif /* _BCACHEFS_BTREE_UPDATE_H */