]> git.sesse.net Git - bcachefs-tools-debian/blobdiff - libbcachefs/lru.c
Update bcachefs sources to a5da815430 bcachefs: Convert constants to consts
[bcachefs-tools-debian] / libbcachefs / lru.c
index 07fb41ca8c6b4e2e7d12d8cb4948ba499039fc77..e913b90f37b7b7a562949a644a38d5e65e57e1d7 100644 (file)
@@ -4,6 +4,7 @@
 #include "alloc_background.h"
 #include "btree_iter.h"
 #include "btree_update.h"
+#include "btree_write_buffer.h"
 #include "error.h"
 #include "lru.h"
 #include "recovery.h"
@@ -49,7 +50,6 @@ void bch2_lru_pos_to_text(struct printbuf *out, struct bpos lru)
 static int __bch2_lru_set(struct btree_trans *trans, u16 lru_id,
                        u64 dev_bucket, u64 time, unsigned key_type)
 {
-       struct btree_iter iter;
        struct bkey_i *k;
        int ret = 0;
 
@@ -69,13 +69,7 @@ static int __bch2_lru_set(struct btree_trans *trans, u16 lru_id,
        EBUG_ON(lru_pos_time(k->k.p) != time);
        EBUG_ON(k->k.p.offset != dev_bucket);
 
-       bch2_trans_iter_init(trans, &iter, BTREE_ID_lru,
-                            k->k.p, BTREE_ITER_INTENT);
-
-       ret = bch2_btree_iter_traverse(&iter) ?:
-               bch2_trans_update(trans, &iter, k, 0);
-       bch2_trans_iter_exit(trans, &iter);
-       return ret;
+       return bch2_trans_update_buffered(trans, BTREE_ID_lru, k);
 }
 
 int bch2_lru_del(struct btree_trans *trans, u16 lru_id, u64 dev_bucket, u64 time)
@@ -99,9 +93,17 @@ int bch2_lru_change(struct btree_trans *trans,
                bch2_lru_set(trans, lru_id, dev_bucket, new_time);
 }
 
+static const char * const bch2_lru_types[] = {
+#define x(n) #n,
+       BCH_LRU_TYPES()
+#undef x
+       NULL
+};
+
 static int bch2_check_lru_key(struct btree_trans *trans,
                              struct btree_iter *lru_iter,
-                             struct bkey_s_c lru_k)
+                             struct bkey_s_c lru_k,
+                             struct bpos *last_flushed_pos)
 {
        struct bch_fs *c = trans->c;
        struct btree_iter iter;
@@ -110,7 +112,9 @@ static int bch2_check_lru_key(struct btree_trans *trans,
        const struct bch_alloc_v4 *a;
        struct printbuf buf1 = PRINTBUF;
        struct printbuf buf2 = PRINTBUF;
+       enum bch_lru_type type = lru_type(lru_k);
        struct bpos alloc_pos = u64_to_bucket(lru_k.k->p.offset);
+       u64 idx;
        int ret;
 
        if (fsck_err_on(!bch2_dev_bucket_exists(c, alloc_pos), c,
@@ -126,18 +130,34 @@ static int bch2_check_lru_key(struct btree_trans *trans,
 
        a = bch2_alloc_to_v4(k, &a_convert);
 
-       if (fsck_err_on(lru_k.k->type != KEY_TYPE_set ||
-                       a->data_type != BCH_DATA_cached ||
-                       a->io_time[READ] != lru_pos_time(lru_k.k->p), c,
-                       "incorrect lru entry (time %llu) %s\n"
-                       "  for %s",
-                       lru_pos_time(lru_k.k->p),
-                       (bch2_bkey_val_to_text(&buf1, c, lru_k), buf1.buf),
-                       (bch2_bkey_val_to_text(&buf2, c, k), buf2.buf))) {
-               ret = bch2_btree_delete_at(trans, lru_iter, 0);
-               if (ret)
-                       goto err;
+       switch (type) {
+       case BCH_LRU_read:
+               idx = alloc_lru_idx_read(*a);
+               break;
+       case BCH_LRU_fragmentation:
+               idx = a->fragmentation_lru;
+               break;
+       }
+
+       if (lru_k.k->type != KEY_TYPE_set ||
+           lru_pos_time(lru_k.k->p) != idx) {
+               if (!bpos_eq(*last_flushed_pos, lru_k.k->p)) {
+                       *last_flushed_pos = lru_k.k->p;
+                       ret = bch2_btree_write_buffer_flush_sync(trans) ?:
+                               -BCH_ERR_transaction_restart_write_buffer_flush;
+                       goto out;
+               }
+
+               if (fsck_err(c, "incorrect lru entry: lru %s time %llu\n"
+                            "  %s\n"
+                            "  for %s",
+                            bch2_lru_types[type],
+                            lru_pos_time(lru_k.k->p),
+                            (bch2_bkey_val_to_text(&buf1, c, lru_k), buf1.buf),
+                            (bch2_bkey_val_to_text(&buf2, c, k), buf2.buf)))
+                       ret = bch2_btree_delete_at(trans, lru_iter, 0);
        }
+out:
 err:
 fsck_err:
        bch2_trans_iter_exit(trans, &iter);
@@ -151,6 +171,7 @@ int bch2_check_lrus(struct bch_fs *c)
        struct btree_trans trans;
        struct btree_iter iter;
        struct bkey_s_c k;
+       struct bpos last_flushed_pos = POS_MIN;
        int ret = 0;
 
        bch2_trans_init(&trans, c, 0, 0);
@@ -158,7 +179,7 @@ int bch2_check_lrus(struct bch_fs *c)
        ret = for_each_btree_key_commit(&trans, iter,
                        BTREE_ID_lru, POS_MIN, BTREE_ITER_PREFETCH, k,
                        NULL, NULL, BTREE_INSERT_NOFAIL|BTREE_INSERT_LAZY_RW,
-               bch2_check_lru_key(&trans, &iter, k));
+               bch2_check_lru_key(&trans, &iter, k, &last_flushed_pos));
 
        bch2_trans_exit(&trans);
        return ret;