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bcachefs: simplify bch2_trans_start_alloc_update()

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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2024-04-30 03:27:30 -04:00
parent 0acf2169a5
commit abe2f470bc
4 changed files with 37 additions and 46 deletions
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48
fs/bcachefs/alloc_background.c
View File

@ -429,22 +429,18 @@ struct bkey_i_alloc_v4 *bch2_alloc_to_v4_mut(struct btree_trans *trans, struct b
}
struct bkey_i_alloc_v4 *
bch2_trans_start_alloc_update(struct btree_trans *trans, struct btree_iter *iter,
struct bpos pos)
bch2_trans_start_alloc_update_noupdate(struct btree_trans *trans, struct btree_iter *iter,
struct bpos pos)
{
struct bkey_s_c k;
struct bkey_i_alloc_v4 *a;
int ret;
k = bch2_bkey_get_iter(trans, iter, BTREE_ID_alloc, pos,
BTREE_ITER_with_updates|
BTREE_ITER_cached|
BTREE_ITER_intent);
ret = bkey_err(k);
struct bkey_s_c k = bch2_bkey_get_iter(trans, iter, BTREE_ID_alloc, pos,
BTREE_ITER_with_updates|
BTREE_ITER_cached|
BTREE_ITER_intent);
int ret = bkey_err(k);
if (unlikely(ret))
return ERR_PTR(ret);
a = bch2_alloc_to_v4_mut_inlined(trans, k);
struct bkey_i_alloc_v4 *a = bch2_alloc_to_v4_mut_inlined(trans, k);
ret = PTR_ERR_OR_ZERO(a);
if (unlikely(ret))
goto err;
@ -454,6 +450,20 @@ err:
return ERR_PTR(ret);
}
__flatten
struct bkey_i_alloc_v4 *bch2_trans_start_alloc_update(struct btree_trans *trans, struct bpos pos)
{
struct btree_iter iter;
struct bkey_i_alloc_v4 *a = bch2_trans_start_alloc_update_noupdate(trans, &iter, pos);
int ret = PTR_ERR_OR_ZERO(a);
if (ret)
return ERR_PTR(ret);
ret = bch2_trans_update(trans, &iter, &a->k_i, 0);
bch2_trans_iter_exit(trans, &iter);
return unlikely(ret) ? ERR_PTR(ret) : a;
}
static struct bpos alloc_gens_pos(struct bpos pos, unsigned *offset)
{
*offset = pos.offset & KEY_TYPE_BUCKET_GENS_MASK;
@ -1908,7 +1918,6 @@ static int invalidate_one_bucket(struct btree_trans *trans,
s64 *nr_to_invalidate)
{
struct bch_fs *c = trans->c;
struct btree_iter alloc_iter = { NULL };
struct bkey_i_alloc_v4 *a = NULL;
struct printbuf buf = PRINTBUF;
struct bpos bucket = u64_to_bucket(lru_k.k->p.offset);
@ -1926,7 +1935,7 @@ static int invalidate_one_bucket(struct btree_trans *trans,
if (bch2_bucket_is_open_safe(c, bucket.inode, bucket.offset))
return 0;
a = bch2_trans_start_alloc_update(trans, &alloc_iter, bucket);
a = bch2_trans_start_alloc_update(trans, bucket);
ret = PTR_ERR_OR_ZERO(a);
if (ret)
goto out;
@ -1951,18 +1960,15 @@ static int invalidate_one_bucket(struct btree_trans *trans,
a->v.io_time[READ] = atomic64_read(&c->io_clock[READ].now);
a->v.io_time[WRITE] = atomic64_read(&c->io_clock[WRITE].now);
ret = bch2_trans_update(trans, &alloc_iter, &a->k_i,
BTREE_TRIGGER_bucket_invalidate) ?:
bch2_trans_commit(trans, NULL, NULL,
BCH_WATERMARK_btree|
BCH_TRANS_COMMIT_no_enospc);
ret = bch2_trans_commit(trans, NULL, NULL,
BCH_WATERMARK_btree|
BCH_TRANS_COMMIT_no_enospc);
if (ret)
goto out;
trace_and_count(c, bucket_invalidate, c, bucket.inode, bucket.offset, cached_sectors);
--*nr_to_invalidate;
out:
bch2_trans_iter_exit(trans, &alloc_iter);
printbuf_exit(&buf);
return ret;
err:
@ -2175,7 +2181,7 @@ int bch2_bucket_io_time_reset(struct btree_trans *trans, unsigned dev,
if (bch2_trans_relock(trans))
bch2_trans_begin(trans);
a = bch2_trans_start_alloc_update(trans, &iter, POS(dev, bucket_nr));
a = bch2_trans_start_alloc_update_noupdate(trans, &iter, POS(dev, bucket_nr));
ret = PTR_ERR_OR_ZERO(a);
if (ret)
return ret;

4
fs/bcachefs/alloc_background.h
View File

@ -179,7 +179,9 @@ static inline void set_alloc_v4_u64s(struct bkey_i_alloc_v4 *a)
}
struct bkey_i_alloc_v4 *
bch2_trans_start_alloc_update(struct btree_trans *, struct btree_iter *, struct bpos);
bch2_trans_start_alloc_update_noupdate(struct btree_trans *, struct btree_iter *, struct bpos);
struct bkey_i_alloc_v4 *
bch2_trans_start_alloc_update(struct btree_trans *, struct bpos);
void __bch2_alloc_to_v4(struct bkey_s_c, struct bch_alloc_v4 *);

15
fs/bcachefs/buckets.c
View File

@ -973,16 +973,9 @@ static int bch2_trigger_pointer(struct btree_trans *trans,
*sectors = insert ? bp.bucket_len : -((s64) bp.bucket_len);
if (flags & BTREE_TRIGGER_transactional) {
struct btree_iter iter;
struct bkey_i_alloc_v4 *a = bch2_trans_start_alloc_update(trans, &iter, bucket);
int ret = PTR_ERR_OR_ZERO(a);
if (ret)
return ret;
ret = __mark_pointer(trans, k, &p.ptr, *sectors, bp.data_type, &a->v) ?:
bch2_trans_update(trans, &iter, &a->k_i, 0);
bch2_trans_iter_exit(trans, &iter);
struct bkey_i_alloc_v4 *a = bch2_trans_start_alloc_update(trans, bucket);
int ret = PTR_ERR_OR_ZERO(a) ?:
__mark_pointer(trans, k, &p.ptr, *sectors, bp.data_type, &a->v);
if (ret)
return ret;
@ -1266,7 +1259,7 @@ static int __bch2_trans_mark_metadata_bucket(struct btree_trans *trans,
int ret = 0;
struct bkey_i_alloc_v4 *a =
bch2_trans_start_alloc_update(trans, &iter, POS(ca->dev_idx, b));
bch2_trans_start_alloc_update_noupdate(trans, &iter, POS(ca->dev_idx, b));
if (IS_ERR(a))
return PTR_ERR(a);

16
fs/bcachefs/ec.c
View File

@ -269,20 +269,10 @@ static int mark_stripe_bucket(struct btree_trans *trans,
struct bpos bucket = PTR_BUCKET_POS(c, ptr);
if (flags & BTREE_TRIGGER_transactional) {
struct btree_iter iter;
struct bkey_i_alloc_v4 *a =
bch2_trans_start_alloc_update(trans, &iter, bucket);
int ret = PTR_ERR_OR_ZERO(a) ?:
__mark_stripe_bucket(trans, s, ptr_idx, deleting, iter.pos, &a->v);
if (ret)
goto err;
ret = bch2_trans_update(trans, &iter, &a->k_i, 0);
if (ret)
goto err;
err:
bch2_trans_iter_exit(trans, &iter);
return ret;
bch2_trans_start_alloc_update(trans, bucket);
return PTR_ERR_OR_ZERO(a) ?:
__mark_stripe_bucket(trans, s, ptr_idx, deleting, bucket, &a->v);
}
if (flags & BTREE_TRIGGER_gc) {