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Diffstat (limited to 'libbcachefs/btree_io.c')
-rw-r--r--libbcachefs/btree_io.c80
1 files changed, 28 insertions, 52 deletions
diff --git a/libbcachefs/btree_io.c b/libbcachefs/btree_io.c
index 3b654841..a869cf6a 100644
--- a/libbcachefs/btree_io.c
+++ b/libbcachefs/btree_io.c
@@ -14,7 +14,7 @@
#include "debug.h"
#include "error.h"
#include "extents.h"
-#include "io.h"
+#include "io_write.h"
#include "journal_reclaim.h"
#include "journal_seq_blacklist.h"
#include "recovery.h"
@@ -106,8 +106,8 @@ static void btree_bounce_free(struct bch_fs *c, size_t size,
vpfree(p, size);
}
-static void *btree_bounce_alloc_noprof(struct bch_fs *c, size_t size,
- bool *used_mempool)
+static void *btree_bounce_alloc(struct bch_fs *c, size_t size,
+ bool *used_mempool)
{
unsigned flags = memalloc_nofs_save();
void *p;
@@ -115,7 +115,7 @@ static void *btree_bounce_alloc_noprof(struct bch_fs *c, size_t size,
BUG_ON(size > btree_bytes(c));
*used_mempool = false;
- p = vpmalloc_noprof(size, __GFP_NOWARN|GFP_NOWAIT);
+ p = vpmalloc(size, __GFP_NOWARN|GFP_NOWAIT);
if (!p) {
*used_mempool = true;
p = mempool_alloc(&c->btree_bounce_pool, GFP_NOFS);
@@ -123,8 +123,6 @@ static void *btree_bounce_alloc_noprof(struct bch_fs *c, size_t size,
memalloc_nofs_restore(flags);
return p;
}
-#define btree_bounce_alloc(_c, _size, _used_mempool) \
- alloc_hooks(btree_bounce_alloc_noprof(_c, _size, _used_mempool))
static void sort_bkey_ptrs(const struct btree *bt,
struct bkey_packed **ptrs, unsigned nr)
@@ -294,7 +292,7 @@ static void btree_node_sort(struct bch_fs *c, struct btree *b,
bool filter_whiteouts)
{
struct btree_node *out;
- struct sort_iter sort_iter;
+ struct sort_iter_stack sort_iter;
struct bset_tree *t;
struct bset *start_bset = bset(b, &b->set[start_idx]);
bool used_mempool = false;
@@ -303,13 +301,13 @@ static void btree_node_sort(struct bch_fs *c, struct btree *b,
bool sorting_entire_node = start_idx == 0 &&
end_idx == b->nsets;
- sort_iter_init(&sort_iter, b);
+ sort_iter_stack_init(&sort_iter, b);
for (t = b->set + start_idx;
t < b->set + end_idx;
t++) {
u64s += le16_to_cpu(bset(b, t)->u64s);
- sort_iter_add(&sort_iter,
+ sort_iter_add(&sort_iter.iter,
btree_bkey_first(b, t),
btree_bkey_last(b, t));
}
@@ -322,7 +320,7 @@ static void btree_node_sort(struct bch_fs *c, struct btree *b,
start_time = local_clock();
- u64s = bch2_sort_keys(out->keys.start, &sort_iter, filter_whiteouts);
+ u64s = bch2_sort_keys(out->keys.start, &sort_iter.iter, filter_whiteouts);
out->keys.u64s = cpu_to_le16(u64s);
@@ -338,7 +336,7 @@ static void btree_node_sort(struct bch_fs *c, struct btree *b,
start_bset->journal_seq = cpu_to_le64(seq);
if (sorting_entire_node) {
- unsigned u64s = le16_to_cpu(out->keys.u64s);
+ u64s = le16_to_cpu(out->keys.u64s);
BUG_ON(bytes != btree_bytes(c));
@@ -412,8 +410,6 @@ void bch2_btree_sort_into(struct bch_fs *c,
bch2_verify_btree_nr_keys(dst);
}
-#define SORT_CRIT (4096 / sizeof(u64))
-
/*
* We're about to add another bset to the btree node, so if there's currently
* too many bsets - sort some of them together:
@@ -544,6 +540,7 @@ static void btree_err_msg(struct printbuf *out, struct bch_fs *c,
prt_str(out, ": ");
}
+__printf(8, 9)
static int __btree_err(int ret,
struct bch_fs *c,
struct bch_dev *ca,
@@ -624,9 +621,6 @@ __cold
void bch2_btree_node_drop_keys_outside_node(struct btree *b)
{
struct bset_tree *t;
- struct bkey_s_c k;
- struct bkey unpacked;
- struct btree_node_iter iter;
for_each_bset(b, t) {
struct bset *i = bset(b, t);
@@ -662,6 +656,9 @@ void bch2_btree_node_drop_keys_outside_node(struct btree *b)
bch2_bset_set_no_aux_tree(b, b->set);
bch2_btree_build_aux_trees(b);
+ struct bkey_s_c k;
+ struct bkey unpacked;
+ struct btree_node_iter iter;
for_each_btree_node_key_unpack(b, k, &iter, &unpacked) {
BUG_ON(bpos_lt(k.k->p, b->data->min_key));
BUG_ON(bpos_gt(k.k->p, b->data->max_key));
@@ -910,7 +907,6 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct bch_dev *ca,
bool updated_range = b->key.k.type == KEY_TYPE_btree_ptr_v2 &&
BTREE_PTR_RANGE_UPDATED(&bkey_i_to_btree_ptr_v2(&b->key)->v);
unsigned u64s;
- unsigned blacklisted_written, nonblacklisted_written = 0;
unsigned ptr_written = btree_ptr_sectors_written(&b->key);
struct printbuf buf = PRINTBUF;
int ret = 0, retry_read = 0, write = READ;
@@ -920,8 +916,7 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct bch_dev *ca,
b->written = 0;
iter = mempool_alloc(&c->fill_iter, GFP_NOFS);
- sort_iter_init(iter, b);
- iter->size = (btree_blocks(c) + 1) * 2;
+ sort_iter_init(iter, b, (btree_blocks(c) + 1) * 2);
if (bch2_meta_read_fault("btree"))
btree_err(-BCH_ERR_btree_node_read_err_must_retry, c, ca, b, NULL,
@@ -1045,8 +1040,6 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct bch_dev *ca,
sort_iter_add(iter,
vstruct_idx(i, 0),
vstruct_last(i));
-
- nonblacklisted_written = b->written;
}
if (ptr_written) {
@@ -1064,18 +1057,6 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct bch_dev *ca,
true),
-BCH_ERR_btree_node_read_err_want_retry, c, ca, b, NULL,
"found bset signature after last bset");
-
- /*
- * Blacklisted bsets are those that were written after the most recent
- * (flush) journal write. Since there wasn't a flush, they may not have
- * made it to all devices - which means we shouldn't write new bsets
- * after them, as that could leave a gap and then reads from that device
- * wouldn't find all the bsets in that btree node - which means it's
- * important that we start writing new bsets after the most recent _non_
- * blacklisted bset:
- */
- blacklisted_written = b->written;
- b->written = nonblacklisted_written;
}
sorted = btree_bounce_alloc(c, btree_bytes(c), &used_mempool);
@@ -1143,9 +1124,9 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct bch_dev *ca,
btree_node_reset_sib_u64s(b);
bkey_for_each_ptr(bch2_bkey_ptrs(bkey_i_to_s(&b->key)), ptr) {
- struct bch_dev *ca = bch_dev_bkey_exists(c, ptr->dev);
+ struct bch_dev *ca2 = bch_dev_bkey_exists(c, ptr->dev);
- if (ca->mi.state != BCH_MEMBER_STATE_rw)
+ if (ca2->mi.state != BCH_MEMBER_STATE_rw)
set_btree_node_need_rewrite(b);
}
@@ -1227,19 +1208,17 @@ start:
bch2_time_stats_update(&c->times[BCH_TIME_btree_node_read],
rb->start_time);
bio_put(&rb->bio);
- printbuf_exit(&buf);
if (saw_error && !btree_node_read_error(b)) {
- struct printbuf buf = PRINTBUF;
-
+ printbuf_reset(&buf);
bch2_bpos_to_text(&buf, b->key.k.p);
bch_info(c, "%s: rewriting btree node at btree=%s level=%u %s due to error",
__func__, bch2_btree_ids[b->c.btree_id], b->c.level, buf.buf);
- printbuf_exit(&buf);
bch2_btree_node_rewrite_async(c, b);
}
+ printbuf_exit(&buf);
clear_btree_node_read_in_flight(b);
wake_up_bit(&b->flags, BTREE_NODE_read_in_flight);
}
@@ -1649,8 +1628,7 @@ err:
int bch2_btree_root_read(struct bch_fs *c, enum btree_id id,
const struct bkey_i *k, unsigned level)
{
- return bch2_trans_run(c, __bch2_btree_root_read(&trans, id, k, level));
-
+ return bch2_trans_run(c, __bch2_btree_root_read(trans, id, k, level));
}
void bch2_btree_complete_write(struct bch_fs *c, struct btree *b,
@@ -1712,15 +1690,13 @@ static void __btree_node_write_done(struct bch_fs *c, struct btree *b)
static void btree_node_write_done(struct bch_fs *c, struct btree *b)
{
- struct btree_trans trans;
-
- bch2_trans_init(&trans, c, 0, 0);
+ struct btree_trans *trans = bch2_trans_get(c);
- btree_node_lock_nopath_nofail(&trans, &b->c, SIX_LOCK_read);
+ btree_node_lock_nopath_nofail(trans, &b->c, SIX_LOCK_read);
__btree_node_write_done(c, b);
six_unlock_read(&b->c.lock);
- bch2_trans_exit(&trans);
+ bch2_trans_put(trans);
}
static void btree_node_write_work(struct work_struct *work)
@@ -1749,7 +1725,7 @@ static void btree_node_write_work(struct work_struct *work)
}
} else {
ret = bch2_trans_do(c, NULL, NULL, 0,
- bch2_btree_node_update_key_get_iter(&trans, b, &wbio->key,
+ bch2_btree_node_update_key_get_iter(trans, b, &wbio->key,
BCH_WATERMARK_reclaim|
BTREE_INSERT_JOURNAL_RECLAIM|
BTREE_INSERT_NOFAIL|
@@ -1854,7 +1830,7 @@ void __bch2_btree_node_write(struct bch_fs *c, struct btree *b, unsigned flags)
struct bset *i;
struct btree_node *bn = NULL;
struct btree_node_entry *bne = NULL;
- struct sort_iter sort_iter;
+ struct sort_iter_stack sort_iter;
struct nonce nonce;
unsigned bytes_to_write, sectors_to_write, bytes, u64s;
u64 seq = 0;
@@ -1927,7 +1903,7 @@ do_write:
bch2_sort_whiteouts(c, b);
- sort_iter_init(&sort_iter, b);
+ sort_iter_stack_init(&sort_iter, b);
bytes = !b->written
? sizeof(struct btree_node)
@@ -1942,7 +1918,7 @@ do_write:
continue;
bytes += le16_to_cpu(i->u64s) * sizeof(u64);
- sort_iter_add(&sort_iter,
+ sort_iter_add(&sort_iter.iter,
btree_bkey_first(b, t),
btree_bkey_last(b, t));
seq = max(seq, le64_to_cpu(i->journal_seq));
@@ -1971,14 +1947,14 @@ do_write:
i->journal_seq = cpu_to_le64(seq);
i->u64s = 0;
- sort_iter_add(&sort_iter,
+ sort_iter_add(&sort_iter.iter,
unwritten_whiteouts_start(c, b),
unwritten_whiteouts_end(c, b));
SET_BSET_SEPARATE_WHITEOUTS(i, false);
b->whiteout_u64s = 0;
- u64s = bch2_sort_keys(i->start, &sort_iter, false);
+ u64s = bch2_sort_keys(i->start, &sort_iter.iter, false);
le16_add_cpu(&i->u64s, u64s);
BUG_ON(!b->written && i->u64s != b->data->keys.u64s);
generated by cgit v1.2.3 (git 2.46.0) at 2025-07-01 06:37:05 +0000