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bcachefs: Convert gc_alloc_start() to for_each_btree_key2()

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This eliminates some SRCU warnings: for_each_btree_key2() runs every
loop iteration in a distinct transaction context.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2023-11-28 16:31:48 -05:00
parent 2111f39459
commit 463086d998
1 changed files with 5 additions and 4 deletions
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9
fs/bcachefs/btree_gc.c
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@ -1541,8 +1541,8 @@ static int bch2_gc_alloc_start(struct bch_fs *c, bool metadata_only)
rcu_assign_pointer(ca->buckets_gc, buckets);
}
for_each_btree_key(trans, iter, BTREE_ID_alloc, POS_MIN,
BTREE_ITER_PREFETCH, k, ret) {
ret = for_each_btree_key2(trans, iter, BTREE_ID_alloc, POS_MIN,
BTREE_ITER_PREFETCH, k, ({
ca = bch_dev_bkey_exists(c, k.k->p.inode);
g = gc_bucket(ca, k.k->p.offset);
@ -1561,8 +1561,9 @@ static int bch2_gc_alloc_start(struct bch_fs *c, bool metadata_only)
g->stripe = a->stripe;
g->stripe_redundancy = a->stripe_redundancy;
}
}
bch2_trans_iter_exit(trans, &iter);
0;
}));
err:
bch2_trans_put(trans);
if (ret)