#include "btree_update.h"
#include "btree_update_interior.h"
#include "btree_gc.h"
+#include "btree_write_buffer.h"
#include "buckets.h"
#include "buckets_waiting_for_journal.h"
#include "clock.h"
#include "error.h"
#include "lru.h"
#include "recovery.h"
+#include "trace.h"
#include "varint.h"
#include <linux/kthread.h>
#include <linux/rcupdate.h>
#include <linux/sched/task.h>
#include <linux/sort.h>
-#include <trace/events/bcachefs.h>
/* Persistent alloc info: */
return v;
}
-static inline void alloc_field_v1_put(struct bkey_i_alloc *a, void **p,
- unsigned field, u64 v)
-{
- unsigned bytes = BCH_ALLOC_V1_FIELD_BYTES[field];
-
- if (!v)
- return;
-
- a->v.fields |= 1 << field;
-
- switch (bytes) {
- case 1:
- *((u8 *) *p) = v;
- break;
- case 2:
- *((__le16 *) *p) = cpu_to_le16(v);
- break;
- case 4:
- *((__le32 *) *p) = cpu_to_le32(v);
- break;
- case 8:
- *((__le64 *) *p) = cpu_to_le64(v);
- break;
- default:
- BUG();
- }
-
- *p += bytes;
-}
-
static void bch2_alloc_unpack_v1(struct bkey_alloc_unpacked *out,
struct bkey_s_c k)
{
}
int bch2_alloc_v1_invalid(const struct bch_fs *c, struct bkey_s_c k,
- int rw, struct printbuf *err)
+ enum bkey_invalid_flags flags,
+ struct printbuf *err)
{
struct bkey_s_c_alloc a = bkey_s_c_to_alloc(k);
}
int bch2_alloc_v2_invalid(const struct bch_fs *c, struct bkey_s_c k,
- int rw, struct printbuf *err)
+ enum bkey_invalid_flags flags,
+ struct printbuf *err)
{
struct bkey_alloc_unpacked u;
}
int bch2_alloc_v3_invalid(const struct bch_fs *c, struct bkey_s_c k,
- int rw, struct printbuf *err)
+ enum bkey_invalid_flags flags,
+ struct printbuf *err)
{
struct bkey_alloc_unpacked u;
}
int bch2_alloc_v4_invalid(const struct bch_fs *c, struct bkey_s_c k,
- int rw, struct printbuf *err)
+ enum bkey_invalid_flags flags, struct printbuf *err)
{
struct bkey_s_c_alloc_v4 a = bkey_s_c_to_alloc_v4(k);
- if (alloc_v4_u64s(a.v) != bkey_val_u64s(k.k)) {
- prt_printf(err, "bad val size (%lu != %u)",
- bkey_val_u64s(k.k), alloc_v4_u64s(a.v));
+ if (alloc_v4_u64s(a.v) > bkey_val_u64s(k.k)) {
+ prt_printf(err, "bad val size (%u > %zu)",
+ alloc_v4_u64s(a.v), bkey_val_u64s(k.k));
return -BCH_ERR_invalid_bkey;
}
return -BCH_ERR_invalid_bkey;
}
- /*
- * XXX this is wrong, we'll be checking updates that happened from
- * before BCH_FS_CHECK_BACKPOINTERS_DONE
- */
- if (rw == WRITE && test_bit(BCH_FS_CHECK_BACKPOINTERS_DONE, &c->flags)) {
- unsigned i, bp_len = 0;
-
- for (i = 0; i < BCH_ALLOC_V4_NR_BACKPOINTERS(a.v); i++)
- bp_len += alloc_v4_backpointers_c(a.v)[i].bucket_len;
+ if (alloc_data_type(*a.v, a.v->data_type) != a.v->data_type) {
+ prt_printf(err, "invalid data type (got %u should be %u)",
+ a.v->data_type, alloc_data_type(*a.v, a.v->data_type));
+ return -BCH_ERR_invalid_bkey;
+ }
- if (bp_len > a.v->dirty_sectors) {
- prt_printf(err, "too many backpointers");
+ switch (a.v->data_type) {
+ case BCH_DATA_free:
+ case BCH_DATA_need_gc_gens:
+ case BCH_DATA_need_discard:
+ if (a.v->dirty_sectors ||
+ a.v->cached_sectors ||
+ a.v->stripe) {
+ prt_printf(err, "empty data type free but have data");
return -BCH_ERR_invalid_bkey;
}
- }
-
- if (rw == WRITE) {
- if (alloc_data_type(*a.v, a.v->data_type) != a.v->data_type) {
- prt_printf(err, "invalid data type (got %u should be %u)",
- a.v->data_type, alloc_data_type(*a.v, a.v->data_type));
+ break;
+ case BCH_DATA_sb:
+ case BCH_DATA_journal:
+ case BCH_DATA_btree:
+ case BCH_DATA_user:
+ case BCH_DATA_parity:
+ if (!a.v->dirty_sectors) {
+ prt_printf(err, "data_type %s but dirty_sectors==0",
+ bch2_data_types[a.v->data_type]);
+ return -BCH_ERR_invalid_bkey;
+ }
+ break;
+ case BCH_DATA_cached:
+ if (!a.v->cached_sectors ||
+ a.v->dirty_sectors ||
+ a.v->stripe) {
+ prt_printf(err, "data type inconsistency");
return -BCH_ERR_invalid_bkey;
}
- switch (a.v->data_type) {
- case BCH_DATA_free:
- case BCH_DATA_need_gc_gens:
- case BCH_DATA_need_discard:
- if (a.v->dirty_sectors ||
- a.v->cached_sectors ||
- a.v->stripe) {
- prt_printf(err, "empty data type free but have data");
- return -BCH_ERR_invalid_bkey;
- }
- break;
- case BCH_DATA_sb:
- case BCH_DATA_journal:
- case BCH_DATA_btree:
- case BCH_DATA_user:
- case BCH_DATA_parity:
- if (!a.v->dirty_sectors) {
- prt_printf(err, "data_type %s but dirty_sectors==0",
- bch2_data_types[a.v->data_type]);
- return -BCH_ERR_invalid_bkey;
- }
- break;
- case BCH_DATA_cached:
- if (!a.v->cached_sectors ||
- a.v->dirty_sectors ||
- a.v->stripe) {
- prt_printf(err, "data type inconsistency");
- return -BCH_ERR_invalid_bkey;
- }
-
- if (!a.v->io_time[READ] &&
- test_bit(BCH_FS_CHECK_ALLOC_TO_LRU_REFS_DONE, &c->flags)) {
- prt_printf(err, "cached bucket with read_time == 0");
- return -BCH_ERR_invalid_bkey;
- }
- break;
- case BCH_DATA_stripe:
- if (!a.v->stripe) {
- prt_printf(err, "data_type %s but stripe==0",
- bch2_data_types[a.v->data_type]);
- return -BCH_ERR_invalid_bkey;
- }
- break;
+ if (!a.v->io_time[READ] &&
+ c->curr_recovery_pass > BCH_RECOVERY_PASS_check_alloc_to_lru_refs) {
+ prt_printf(err, "cached bucket with read_time == 0");
+ return -BCH_ERR_invalid_bkey;
}
+ break;
+ case BCH_DATA_stripe:
+ break;
}
return 0;
prt_newline(out);
prt_printf(out, "io_time[WRITE] %llu", a->io_time[WRITE]);
prt_newline(out);
+ prt_printf(out, "fragmentation %llu", a->fragmentation_lru);
+ prt_newline(out);
+ prt_printf(out, "bp_start %llu", BCH_ALLOC_V4_BACKPOINTERS_START(a));
+ prt_newline(out);
- if (k.k->type == KEY_TYPE_alloc_v4) {
+ if (BCH_ALLOC_V4_NR_BACKPOINTERS(a)) {
struct bkey_s_c_alloc_v4 a_raw = bkey_s_c_to_alloc_v4(k);
const struct bch_backpointer *bps = alloc_v4_backpointers_c(a_raw.v);
- prt_printf(out, "bp_start %llu", BCH_ALLOC_V4_BACKPOINTERS_START(a_raw.v));
- prt_newline(out);
-
prt_printf(out, "backpointers: %llu", BCH_ALLOC_V4_NR_BACKPOINTERS(a_raw.v));
printbuf_indent_add(out, 2);
if (src < dst)
memset(src, 0, dst - src);
+
+ SET_BCH_ALLOC_V4_NR_BACKPOINTERS(out, 0);
} else {
struct bkey_alloc_unpacked u = bch2_alloc_unpack(k);
__bch2_alloc_to_v4_mut(struct btree_trans *trans, struct bkey_s_c k)
{
struct bkey_i_alloc_v4 *ret;
+
+ ret = bch2_trans_kmalloc(trans, max(bkey_bytes(k.k), sizeof(struct bkey_i_alloc_v4)));
+ if (IS_ERR(ret))
+ return ret;
+
if (k.k->type == KEY_TYPE_alloc_v4) {
- struct bkey_s_c_alloc_v4 a = bkey_s_c_to_alloc_v4(k);
- unsigned bytes = sizeof(struct bkey_i_alloc_v4) +
- BCH_ALLOC_V4_NR_BACKPOINTERS(a.v) *
- sizeof(struct bch_backpointer);
void *src, *dst;
- /*
- * Reserve space for one more backpointer here:
- * Not sketchy at doing it this way, nope...
- */
- ret = bch2_trans_kmalloc(trans, bytes + sizeof(struct bch_backpointer));
- if (IS_ERR(ret))
- return ret;
-
bkey_reassemble(&ret->k_i, k);
src = alloc_v4_backpointers(&ret->v);
SET_BCH_ALLOC_V4_BACKPOINTERS_START(&ret->v, BCH_ALLOC_V4_U64s);
dst = alloc_v4_backpointers(&ret->v);
- memmove(dst, src, BCH_ALLOC_V4_NR_BACKPOINTERS(&ret->v) *
- sizeof(struct bch_backpointer));
if (src < dst)
memset(src, 0, dst - src);
+
+ SET_BCH_ALLOC_V4_NR_BACKPOINTERS(&ret->v, 0);
set_alloc_v4_u64s(ret);
} else {
- ret = bch2_trans_kmalloc(trans, sizeof(struct bkey_i_alloc_v4) +
- sizeof(struct bch_backpointer));
- if (IS_ERR(ret))
- return ret;
-
bkey_alloc_v4_init(&ret->k_i);
ret->k.p = k.k->p;
bch2_alloc_to_v4(k, &ret->v);
static inline struct bkey_i_alloc_v4 *bch2_alloc_to_v4_mut_inlined(struct btree_trans *trans, struct bkey_s_c k)
{
+ struct bkey_s_c_alloc_v4 a;
+
if (likely(k.k->type == KEY_TYPE_alloc_v4) &&
- BCH_ALLOC_V4_BACKPOINTERS_START(bkey_s_c_to_alloc_v4(k).v) == BCH_ALLOC_V4_U64s) {
- /*
- * Reserve space for one more backpointer here:
- * Not sketchy at doing it this way, nope...
- */
- struct bkey_i_alloc_v4 *ret =
- bch2_trans_kmalloc_nomemzero(trans, bkey_bytes(k.k) + sizeof(struct bch_backpointer));
- if (!IS_ERR(ret))
- bkey_reassemble(&ret->k_i, k);
- return ret;
- }
+ ((a = bkey_s_c_to_alloc_v4(k), true) &&
+ BCH_ALLOC_V4_NR_BACKPOINTERS(a.v) == 0))
+ return bch2_bkey_make_mut_noupdate_typed(trans, k, alloc_v4);
return __bch2_alloc_to_v4_mut(trans, k);
}
struct bkey_i_alloc_v4 *a;
int ret;
- bch2_trans_iter_init(trans, iter, BTREE_ID_alloc, pos,
+ k = bch2_bkey_get_iter(trans, iter, BTREE_ID_alloc, pos,
BTREE_ITER_WITH_UPDATES|
BTREE_ITER_CACHED|
BTREE_ITER_INTENT);
- k = bch2_btree_iter_peek_slot(iter);
ret = bkey_err(k);
if (unlikely(ret))
- goto err;
+ return ERR_PTR(ret);
a = bch2_alloc_to_v4_mut_inlined(trans, k);
ret = PTR_ERR_OR_ZERO(a);
return ERR_PTR(ret);
}
-int bch2_alloc_read(struct bch_fs *c)
-{
- struct btree_trans trans;
- struct btree_iter iter;
- struct bkey_s_c k;
- struct bch_alloc_v4 a;
- struct bch_dev *ca;
- int ret;
-
- bch2_trans_init(&trans, c, 0, 0);
-
- for_each_btree_key(&trans, iter, BTREE_ID_alloc, POS_MIN,
- BTREE_ITER_PREFETCH, k, ret) {
- /*
- * Not a fsck error because this is checked/repaired by
- * bch2_check_alloc_key() which runs later:
- */
- if (!bch2_dev_bucket_exists(c, k.k->p))
- continue;
-
- ca = bch_dev_bkey_exists(c, k.k->p.inode);
-
- *bucket_gen(ca, k.k->p.offset) = bch2_alloc_to_v4(k, &a)->gen;
- }
- bch2_trans_iter_exit(&trans, &iter);
-
- bch2_trans_exit(&trans);
-
- if (ret)
- bch_err(c, "error reading alloc info: %s", bch2_err_str(ret));
-
- return ret;
-}
-
static struct bpos alloc_gens_pos(struct bpos pos, unsigned *offset)
{
*offset = pos.offset & KEY_TYPE_BUCKET_GENS_MASK;
}
int bch2_bucket_gens_invalid(const struct bch_fs *c, struct bkey_s_c k,
- int rw, struct printbuf *err)
+ enum bkey_invalid_flags flags,
+ struct printbuf *err)
{
if (bkey_val_bytes(k.k) != sizeof(struct bch_bucket_gens)) {
- prt_printf(err, "bad val size (%lu != %zu)",
+ prt_printf(err, "bad val size (%zu != %zu)",
bkey_val_bytes(k.k), sizeof(struct bch_bucket_gens));
return -BCH_ERR_invalid_bkey;
}
int bch2_bucket_gens_init(struct bch_fs *c)
{
- struct btree_trans trans;
+ struct btree_trans *trans = bch2_trans_get(c);
struct btree_iter iter;
struct bkey_s_c k;
struct bch_alloc_v4 a;
u8 gen;
int ret;
- bch2_trans_init(&trans, c, 0, 0);
-
- for_each_btree_key(&trans, iter, BTREE_ID_alloc, POS_MIN,
+ for_each_btree_key(trans, iter, BTREE_ID_alloc, POS_MIN,
BTREE_ITER_PREFETCH, k, ret) {
/*
* Not a fsck error because this is checked/repaired by
pos = alloc_gens_pos(iter.pos, &offset);
if (have_bucket_gens_key && bkey_cmp(iter.pos, pos)) {
- ret = commit_do(&trans, NULL, NULL,
+ ret = commit_do(trans, NULL, NULL,
BTREE_INSERT_NOFAIL|
BTREE_INSERT_LAZY_RW,
- __bch2_btree_insert(&trans, BTREE_ID_bucket_gens, &g.k_i));
+ bch2_btree_insert_trans(trans, BTREE_ID_bucket_gens, &g.k_i, 0));
if (ret)
break;
have_bucket_gens_key = false;
g.v.gens[offset] = gen;
}
- bch2_trans_iter_exit(&trans, &iter);
+ bch2_trans_iter_exit(trans, &iter);
if (have_bucket_gens_key && !ret)
- ret = commit_do(&trans, NULL, NULL,
+ ret = commit_do(trans, NULL, NULL,
BTREE_INSERT_NOFAIL|
BTREE_INSERT_LAZY_RW,
- __bch2_btree_insert(&trans, BTREE_ID_bucket_gens, &g.k_i));
+ bch2_btree_insert_trans(trans, BTREE_ID_bucket_gens, &g.k_i, 0));
- bch2_trans_exit(&trans);
+ bch2_trans_put(trans);
if (ret)
- bch_err(c, "%s: error %s", __func__, bch2_err_str(ret));
-
+ bch_err_fn(c, ret);
return ret;
}
-int bch2_bucket_gens_read(struct bch_fs *c)
+int bch2_alloc_read(struct bch_fs *c)
{
- struct btree_trans trans;
+ struct btree_trans *trans = bch2_trans_get(c);
struct btree_iter iter;
struct bkey_s_c k;
- const struct bch_bucket_gens *g;
struct bch_dev *ca;
- u64 b;
int ret;
- bch2_trans_init(&trans, c, 0, 0);
+ down_read(&c->gc_lock);
- for_each_btree_key(&trans, iter, BTREE_ID_bucket_gens, POS_MIN,
- BTREE_ITER_PREFETCH, k, ret) {
- u64 start = bucket_gens_pos_to_alloc(k.k->p, 0).offset;
- u64 end = bucket_gens_pos_to_alloc(bpos_nosnap_successor(k.k->p), 0).offset;
+ if (c->sb.version_upgrade_complete >= bcachefs_metadata_version_bucket_gens) {
+ const struct bch_bucket_gens *g;
+ u64 b;
- if (k.k->type != KEY_TYPE_bucket_gens)
- continue;
+ for_each_btree_key(trans, iter, BTREE_ID_bucket_gens, POS_MIN,
+ BTREE_ITER_PREFETCH, k, ret) {
+ u64 start = bucket_gens_pos_to_alloc(k.k->p, 0).offset;
+ u64 end = bucket_gens_pos_to_alloc(bpos_nosnap_successor(k.k->p), 0).offset;
- g = bkey_s_c_to_bucket_gens(k).v;
+ if (k.k->type != KEY_TYPE_bucket_gens)
+ continue;
- /*
- * Not a fsck error because this is checked/repaired by
- * bch2_check_alloc_key() which runs later:
- */
- if (!bch2_dev_exists2(c, k.k->p.inode))
- continue;
+ g = bkey_s_c_to_bucket_gens(k).v;
+
+ /*
+ * Not a fsck error because this is checked/repaired by
+ * bch2_check_alloc_key() which runs later:
+ */
+ if (!bch2_dev_exists2(c, k.k->p.inode))
+ continue;
- ca = bch_dev_bkey_exists(c, k.k->p.inode);
+ ca = bch_dev_bkey_exists(c, k.k->p.inode);
- for (b = max_t(u64, ca->mi.first_bucket, start);
- b < min_t(u64, ca->mi.nbuckets, end);
- b++)
- *bucket_gen(ca, b) = g->gens[b & KEY_TYPE_BUCKET_GENS_MASK];
+ for (b = max_t(u64, ca->mi.first_bucket, start);
+ b < min_t(u64, ca->mi.nbuckets, end);
+ b++)
+ *bucket_gen(ca, b) = g->gens[b & KEY_TYPE_BUCKET_GENS_MASK];
+ }
+ bch2_trans_iter_exit(trans, &iter);
+ } else {
+ struct bch_alloc_v4 a;
+
+ for_each_btree_key(trans, iter, BTREE_ID_alloc, POS_MIN,
+ BTREE_ITER_PREFETCH, k, ret) {
+ /*
+ * Not a fsck error because this is checked/repaired by
+ * bch2_check_alloc_key() which runs later:
+ */
+ if (!bch2_dev_bucket_exists(c, k.k->p))
+ continue;
+
+ ca = bch_dev_bkey_exists(c, k.k->p.inode);
+
+ *bucket_gen(ca, k.k->p.offset) = bch2_alloc_to_v4(k, &a)->gen;
+ }
+ bch2_trans_iter_exit(trans, &iter);
}
- bch2_trans_iter_exit(&trans, &iter);
- bch2_trans_exit(&trans);
+ bch2_trans_put(trans);
+ up_read(&c->gc_lock);
if (ret)
- bch_err(c, "error reading alloc info: %s", bch2_err_str(ret));
+ bch_err_fn(c, ret);
return ret;
}
return 0;
}
- bch2_trans_iter_init(trans, &iter, btree,
+ old = bch2_bkey_get_iter(trans, &iter, btree,
bkey_start_pos(&k->k),
BTREE_ITER_INTENT);
- old = bch2_btree_iter_peek_slot(&iter);
ret = bkey_err(old);
if (ret)
- goto err;
+ return ret;
if (ca->mi.freespace_initialized &&
- test_bit(BCH_FS_CHECK_ALLOC_DONE, &c->flags) &&
+ c->curr_recovery_pass > BCH_RECOVERY_PASS_check_alloc_info &&
bch2_trans_inconsistent_on(old.k->type != old_type, trans,
- "incorrect key when %s %s btree (got %s should be %s)\n"
+ "incorrect key when %s %s:%llu:%llu:0 (got %s should be %s)\n"
" for %s",
set ? "setting" : "clearing",
- bch2_btree_ids[btree],
+ bch2_btree_id_str(btree),
+ iter.pos.inode,
+ iter.pos.offset,
bch2_bkey_types[old.k->type],
bch2_bkey_types[old_type],
(bch2_bkey_val_to_text(&buf, c, alloc_k), buf.buf))) {
if (ret)
return ret;
- bch2_trans_iter_init(trans, &iter, BTREE_ID_bucket_gens, pos,
- BTREE_ITER_INTENT|
- BTREE_ITER_WITH_UPDATES);
- k = bch2_btree_iter_peek_slot(&iter);
+ k = bch2_bkey_get_iter(trans, &iter, BTREE_ID_bucket_gens, pos,
+ BTREE_ITER_INTENT|
+ BTREE_ITER_WITH_UPDATES);
ret = bkey_err(k);
if (ret)
- goto err;
+ return ret;
if (k.k->type != KEY_TYPE_bucket_gens) {
bkey_bucket_gens_init(&g->k_i);
g->v.gens[offset] = gen;
ret = bch2_trans_update(trans, &iter, &g->k_i, 0);
-err:
bch2_trans_iter_exit(trans, &iter);
return ret;
}
!new_a->io_time[READ])
new_a->io_time[READ] = max_t(u64, 1, atomic64_read(&c->io_clock[READ].now));
- old_lru = alloc_lru_idx(*old_a);
- new_lru = alloc_lru_idx(*new_a);
+ old_lru = alloc_lru_idx_read(*old_a);
+ new_lru = alloc_lru_idx_read(*new_a);
if (old_lru != new_lru) {
ret = bch2_lru_change(trans, new->k.p.inode,
old_lru, new_lru);
if (ret)
return ret;
+ }
- if (new_a->data_type == BCH_DATA_cached)
- new_a->io_time[READ] = new_lru;
+ new_a->fragmentation_lru = alloc_lru_idx_fragmentation(*new_a,
+ bch_dev_bkey_exists(c, new->k.p.inode));
+
+ if (old_a->fragmentation_lru != new_a->fragmentation_lru) {
+ ret = bch2_lru_change(trans,
+ BCH_LRU_FRAGMENTATION_START,
+ bucket_to_u64(new->k.p),
+ old_a->fragmentation_lru, new_a->fragmentation_lru);
+ if (ret)
+ return ret;
}
if (old_a->gen != new_a->gen) {
* This synthesizes deleted extents for holes, similar to BTREE_ITER_SLOTS for
* extents style btrees, but works on non-extents btrees:
*/
-struct bkey_s_c bch2_get_key_or_hole(struct btree_iter *iter, struct bpos end, struct bkey *hole)
+static struct bkey_s_c bch2_get_key_or_hole(struct btree_iter *iter, struct bpos end, struct bkey *hole)
{
struct bkey_s_c k = bch2_btree_iter_peek_slot(iter);
struct bpos next;
bch2_trans_copy_iter(&iter2, iter);
- k = bch2_btree_iter_peek_upto(&iter2,
- bkey_min(bkey_min(end,
- iter->path->l[0].b->key.k.p),
- POS(iter->pos.inode, iter->pos.offset + U32_MAX - 1)));
+
+ if (!bpos_eq(iter->path->l[0].b->key.k.p, SPOS_MAX))
+ end = bkey_min(end, bpos_nosnap_successor(iter->path->l[0].b->key.k.p));
+
+ end = bkey_min(end, POS(iter->pos.inode, iter->pos.offset + U32_MAX - 1));
+
+ /*
+ * btree node min/max is a closed interval, upto takes a half
+ * open interval:
+ */
+ k = bch2_btree_iter_peek_upto(&iter2, end);
next = iter2.pos;
bch2_trans_iter_exit(iter->trans, &iter2);
iter = bucket->inode;
ca = __bch2_next_dev(c, &iter, NULL);
if (ca)
- bucket->offset = ca->mi.first_bucket;
+ *bucket = POS(ca->dev_idx, ca->mi.first_bucket);
rcu_read_unlock();
return ca != NULL;
}
-struct bkey_s_c bch2_get_key_or_real_bucket_hole(struct btree_iter *iter, struct bkey *hole)
+static struct bkey_s_c bch2_get_key_or_real_bucket_hole(struct btree_iter *iter, struct bkey *hole)
{
struct bch_fs *c = iter->trans->c;
struct bkey_s_c k;
return k;
}
-static int bch2_check_alloc_key(struct btree_trans *trans,
- struct bkey_s_c alloc_k,
- struct btree_iter *alloc_iter,
- struct btree_iter *discard_iter,
- struct btree_iter *freespace_iter,
- struct btree_iter *bucket_gens_iter)
+static noinline_for_stack
+int bch2_check_alloc_key(struct btree_trans *trans,
+ struct bkey_s_c alloc_k,
+ struct btree_iter *alloc_iter,
+ struct btree_iter *discard_iter,
+ struct btree_iter *freespace_iter,
+ struct btree_iter *bucket_gens_iter)
{
struct bch_fs *c = trans->c;
struct bch_dev *ca;
return ret;
}
-static int bch2_check_alloc_hole_freespace(struct btree_trans *trans,
- struct bpos start,
- struct bpos *end,
- struct btree_iter *freespace_iter)
+static noinline_for_stack
+int bch2_check_alloc_hole_freespace(struct btree_trans *trans,
+ struct bpos start,
+ struct bpos *end,
+ struct btree_iter *freespace_iter)
{
struct bch_fs *c = trans->c;
struct bch_dev *ca;
return ret;
}
-static int bch2_check_alloc_hole_bucket_gens(struct btree_trans *trans,
- struct bpos start,
- struct bpos *end,
- struct btree_iter *bucket_gens_iter)
+static noinline_for_stack
+int bch2_check_alloc_hole_bucket_gens(struct btree_trans *trans,
+ struct bpos start,
+ struct bpos *end,
+ struct btree_iter *bucket_gens_iter)
{
struct bch_fs *c = trans->c;
struct bkey_s_c k;
unsigned i, gens_offset, gens_end_offset;
int ret;
- if (c->sb.version < bcachefs_metadata_version_bucket_gens &&
- !c->opts.version_upgrade)
+ if (c->sb.version < bcachefs_metadata_version_bucket_gens)
return 0;
bch2_btree_iter_set_pos(bucket_gens_iter, alloc_gens_pos(start, &gens_offset));
}
if (need_update) {
- struct bkey_i *k = bch2_trans_kmalloc(trans, sizeof(g));
+ struct bkey_i *u = bch2_trans_kmalloc(trans, sizeof(g));
- ret = PTR_ERR_OR_ZERO(k);
+ ret = PTR_ERR_OR_ZERO(u);
if (ret)
goto err;
- memcpy(k, &g, sizeof(g));
+ memcpy(u, &g, sizeof(g));
- ret = bch2_trans_update(trans, bucket_gens_iter, k, 0);
+ ret = bch2_trans_update(trans, bucket_gens_iter, u, 0);
if (ret)
goto err;
}
return ret;
}
-static int bch2_check_discard_freespace_key(struct btree_trans *trans,
- struct btree_iter *iter)
+static noinline_for_stack int __bch2_check_discard_freespace_key(struct btree_trans *trans,
+ struct btree_iter *iter)
{
struct bch_fs *c = trans->c;
struct btree_iter alloc_iter;
pos.offset &= ~(~0ULL << 56);
genbits = iter->pos.offset & (~0ULL << 56);
- bch2_trans_iter_init(trans, &alloc_iter, BTREE_ID_alloc, pos, 0);
+ alloc_k = bch2_bkey_get_iter(trans, &alloc_iter, BTREE_ID_alloc, pos, 0);
+ ret = bkey_err(alloc_k);
+ if (ret)
+ return ret;
if (fsck_err_on(!bch2_dev_bucket_exists(c, pos), c,
"entry in %s btree for nonexistant dev:bucket %llu:%llu",
- bch2_btree_ids[iter->btree_id], pos.inode, pos.offset))
+ bch2_btree_id_str(iter->btree_id), pos.inode, pos.offset))
goto delete;
- alloc_k = bch2_btree_iter_peek_slot(&alloc_iter);
- ret = bkey_err(alloc_k);
- if (ret)
- goto err;
-
a = bch2_alloc_to_v4(alloc_k, &a_convert);
if (fsck_err_on(a->data_type != state ||
(state == BCH_DATA_free &&
genbits != alloc_freespace_genbits(*a)), c,
- "%s\n incorrectly set in %s index (free %u, genbits %llu should be %llu)",
+ "%s\n incorrectly set at %s:%llu:%llu:0 (free %u, genbits %llu should be %llu)",
(bch2_bkey_val_to_text(&buf, c, alloc_k), buf.buf),
- bch2_btree_ids[iter->btree_id],
+ bch2_btree_id_str(iter->btree_id),
+ iter->pos.inode,
+ iter->pos.offset,
a->data_type == state,
genbits >> 56, alloc_freespace_genbits(*a) >> 56))
goto delete;
out:
-err:
fsck_err:
+ set_btree_iter_dontneed(&alloc_iter);
bch2_trans_iter_exit(trans, &alloc_iter);
printbuf_exit(&buf);
return ret;
delete:
- ret = bch2_btree_delete_extent_at(trans, iter,
- iter->btree_id == BTREE_ID_freespace ? 1 : 0, 0);
+ ret = bch2_btree_delete_extent_at(trans, iter,
+ iter->btree_id == BTREE_ID_freespace ? 1 : 0, 0) ?:
+ bch2_trans_commit(trans, NULL, NULL,
+ BTREE_INSERT_NOFAIL|BTREE_INSERT_LAZY_RW);
goto out;
}
+static int bch2_check_discard_freespace_key(struct btree_trans *trans,
+ struct btree_iter *iter,
+ struct bpos end)
+{
+ if (!btree_id_is_extents(iter->btree_id)) {
+ return __bch2_check_discard_freespace_key(trans, iter);
+ } else {
+ int ret = 0;
+
+ while (!bkey_eq(iter->pos, end) &&
+ !(ret = btree_trans_too_many_iters(trans) ?:
+ __bch2_check_discard_freespace_key(trans, iter)))
+ bch2_btree_iter_set_pos(iter, bpos_nosnap_successor(iter->pos));
+
+ return ret;
+ }
+}
+
/*
* We've already checked that generation numbers in the bucket_gens btree are
* valid for buckets that exist; this just checks for keys for nonexistent
* buckets.
*/
-static int bch2_check_bucket_gens_key(struct btree_trans *trans,
- struct btree_iter *iter,
- struct bkey_s_c k)
+static noinline_for_stack
+int bch2_check_bucket_gens_key(struct btree_trans *trans,
+ struct btree_iter *iter,
+ struct bkey_s_c k)
{
struct bch_fs *c = trans->c;
struct bkey_i_bucket_gens g;
u64 start = bucket_gens_pos_to_alloc(k.k->p, 0).offset;
u64 end = bucket_gens_pos_to_alloc(bpos_nosnap_successor(k.k->p), 0).offset;
u64 b;
- bool need_update = false;
+ bool need_update = false, dev_exists;
struct printbuf buf = PRINTBUF;
int ret = 0;
BUG_ON(k.k->type != KEY_TYPE_bucket_gens);
bkey_reassemble(&g.k_i, k);
- if (fsck_err_on(!bch2_dev_exists2(c, k.k->p.inode), c,
- "bucket_gens key for invalid device:\n %s",
- (bch2_bkey_val_to_text(&buf, c, k), buf.buf))) {
- ret = bch2_btree_delete_at(trans, iter, 0);
+ /* if no bch_dev, skip out whether we repair or not */
+ dev_exists = bch2_dev_exists2(c, k.k->p.inode);
+ if (!dev_exists) {
+ if (fsck_err_on(!dev_exists, c,
+ "bucket_gens key for invalid device:\n %s",
+ (bch2_bkey_val_to_text(&buf, c, k), buf.buf))) {
+ ret = bch2_btree_delete_at(trans, iter, 0);
+ }
goto out;
}
}
if (need_update) {
- struct bkey_i *k;
+ struct bkey_i *u = bch2_trans_kmalloc(trans, sizeof(g));
- k = bch2_trans_kmalloc(trans, sizeof(g));
- ret = PTR_ERR_OR_ZERO(k);
+ ret = PTR_ERR_OR_ZERO(u);
if (ret)
goto out;
- memcpy(k, &g, sizeof(g));
- ret = bch2_trans_update(trans, iter, k, 0);
+ memcpy(u, &g, sizeof(g));
+ ret = bch2_trans_update(trans, iter, u, 0);
}
out:
fsck_err:
int bch2_check_alloc_info(struct bch_fs *c)
{
- struct btree_trans trans;
+ struct btree_trans *trans = bch2_trans_get(c);
struct btree_iter iter, discard_iter, freespace_iter, bucket_gens_iter;
struct bkey hole;
struct bkey_s_c k;
int ret = 0;
- bch2_trans_init(&trans, c, 0, 0);
-
- bch2_trans_iter_init(&trans, &iter, BTREE_ID_alloc, POS_MIN,
+ bch2_trans_iter_init(trans, &iter, BTREE_ID_alloc, POS_MIN,
BTREE_ITER_PREFETCH);
- bch2_trans_iter_init(&trans, &discard_iter, BTREE_ID_need_discard, POS_MIN,
+ bch2_trans_iter_init(trans, &discard_iter, BTREE_ID_need_discard, POS_MIN,
BTREE_ITER_PREFETCH);
- bch2_trans_iter_init(&trans, &freespace_iter, BTREE_ID_freespace, POS_MIN,
+ bch2_trans_iter_init(trans, &freespace_iter, BTREE_ID_freespace, POS_MIN,
BTREE_ITER_PREFETCH);
- bch2_trans_iter_init(&trans, &bucket_gens_iter, BTREE_ID_bucket_gens, POS_MIN,
+ bch2_trans_iter_init(trans, &bucket_gens_iter, BTREE_ID_bucket_gens, POS_MIN,
BTREE_ITER_PREFETCH);
while (1) {
struct bpos next;
- bch2_trans_begin(&trans);
+ bch2_trans_begin(trans);
k = bch2_get_key_or_real_bucket_hole(&iter, &hole);
ret = bkey_err(k);
if (k.k->type) {
next = bpos_nosnap_successor(k.k->p);
- ret = bch2_check_alloc_key(&trans,
+ ret = bch2_check_alloc_key(trans,
k, &iter,
&discard_iter,
&freespace_iter,
} else {
next = k.k->p;
- ret = bch2_check_alloc_hole_freespace(&trans,
+ ret = bch2_check_alloc_hole_freespace(trans,
bkey_start_pos(k.k),
&next,
&freespace_iter) ?:
- bch2_check_alloc_hole_bucket_gens(&trans,
+ bch2_check_alloc_hole_bucket_gens(trans,
bkey_start_pos(k.k),
&next,
&bucket_gens_iter);
goto bkey_err;
}
- ret = bch2_trans_commit(&trans, NULL, NULL,
+ ret = bch2_trans_commit(trans, NULL, NULL,
BTREE_INSERT_NOFAIL|
BTREE_INSERT_LAZY_RW);
if (ret)
if (ret)
break;
}
- bch2_trans_iter_exit(&trans, &bucket_gens_iter);
- bch2_trans_iter_exit(&trans, &freespace_iter);
- bch2_trans_iter_exit(&trans, &discard_iter);
- bch2_trans_iter_exit(&trans, &iter);
+ bch2_trans_iter_exit(trans, &bucket_gens_iter);
+ bch2_trans_iter_exit(trans, &freespace_iter);
+ bch2_trans_iter_exit(trans, &discard_iter);
+ bch2_trans_iter_exit(trans, &iter);
if (ret < 0)
goto err;
- ret = for_each_btree_key_commit(&trans, iter,
+ ret = for_each_btree_key2(trans, iter,
BTREE_ID_need_discard, POS_MIN,
BTREE_ITER_PREFETCH, k,
- NULL, NULL, BTREE_INSERT_NOFAIL|BTREE_INSERT_LAZY_RW,
- bch2_check_discard_freespace_key(&trans, &iter)) ?:
- for_each_btree_key_commit(&trans, iter,
+ bch2_check_discard_freespace_key(trans, &iter, k.k->p)) ?:
+ for_each_btree_key2(trans, iter,
BTREE_ID_freespace, POS_MIN,
BTREE_ITER_PREFETCH, k,
- NULL, NULL, BTREE_INSERT_NOFAIL|BTREE_INSERT_LAZY_RW,
- bch2_check_discard_freespace_key(&trans, &iter)) ?:
- for_each_btree_key_commit(&trans, iter,
+ bch2_check_discard_freespace_key(trans, &iter, k.k->p)) ?:
+ for_each_btree_key_commit(trans, iter,
BTREE_ID_bucket_gens, POS_MIN,
BTREE_ITER_PREFETCH, k,
NULL, NULL, BTREE_INSERT_NOFAIL|BTREE_INSERT_LAZY_RW,
- bch2_check_bucket_gens_key(&trans, &iter, k));
+ bch2_check_bucket_gens_key(trans, &iter, k));
err:
- bch2_trans_exit(&trans);
- return ret < 0 ? ret : 0;
+ bch2_trans_put(trans);
+ if (ret)
+ bch_err_fn(c, ret);
+ return ret;
}
static int bch2_check_alloc_to_lru_ref(struct btree_trans *trans,
struct btree_iter lru_iter;
struct bch_alloc_v4 a_convert;
const struct bch_alloc_v4 *a;
- struct bkey_s_c alloc_k, k;
+ struct bkey_s_c alloc_k, lru_k;
struct printbuf buf = PRINTBUF;
- struct printbuf buf2 = PRINTBUF;
int ret;
alloc_k = bch2_btree_iter_peek(alloc_iter);
if (a->data_type != BCH_DATA_cached)
return 0;
- bch2_trans_iter_init(trans, &lru_iter, BTREE_ID_lru,
- POS(alloc_k.k->p.inode, a->io_time[READ]), 0);
-
- k = bch2_btree_iter_peek_slot(&lru_iter);
- ret = bkey_err(k);
+ lru_k = bch2_bkey_get_iter(trans, &lru_iter, BTREE_ID_lru,
+ lru_pos(alloc_k.k->p.inode,
+ bucket_to_u64(alloc_k.k->p),
+ a->io_time[READ]), 0);
+ ret = bkey_err(lru_k);
if (ret)
- goto err;
+ return ret;
if (fsck_err_on(!a->io_time[READ], c,
"cached bucket with read_time 0\n"
" %s",
(printbuf_reset(&buf),
bch2_bkey_val_to_text(&buf, c, alloc_k), buf.buf)) ||
- fsck_err_on(k.k->type != KEY_TYPE_set ||
- le64_to_cpu(bkey_s_c_to_lru(k).v->idx) != alloc_k.k->p.offset, c,
- "incorrect/missing lru entry\n"
- " %s\n"
+ fsck_err_on(lru_k.k->type != KEY_TYPE_set, c,
+ "missing lru entry\n"
" %s",
(printbuf_reset(&buf),
- bch2_bkey_val_to_text(&buf, c, alloc_k), buf.buf),
- (bch2_bkey_val_to_text(&buf2, c, k), buf2.buf))) {
+ bch2_bkey_val_to_text(&buf, c, alloc_k), buf.buf))) {
u64 read_time = a->io_time[READ] ?:
atomic64_read(&c->io_clock[READ].now);
err:
fsck_err:
bch2_trans_iter_exit(trans, &lru_iter);
- printbuf_exit(&buf2);
printbuf_exit(&buf);
return ret;
}
int bch2_check_alloc_to_lru_refs(struct bch_fs *c)
{
- struct btree_trans trans;
struct btree_iter iter;
struct bkey_s_c k;
int ret = 0;
- bch2_trans_init(&trans, c, 0, 0);
-
- for_each_btree_key_commit(&trans, iter, BTREE_ID_alloc,
- POS_MIN, BTREE_ITER_PREFETCH, k,
- NULL, NULL, BTREE_INSERT_NOFAIL|BTREE_INSERT_LAZY_RW,
- bch2_check_alloc_to_lru_ref(&trans, &iter));
-
- bch2_trans_exit(&trans);
- return ret < 0 ? ret : 0;
+ ret = bch2_trans_run(c,
+ for_each_btree_key_commit(trans, iter, BTREE_ID_alloc,
+ POS_MIN, BTREE_ITER_PREFETCH, k,
+ NULL, NULL, BTREE_INSERT_NOFAIL|BTREE_INSERT_LAZY_RW,
+ bch2_check_alloc_to_lru_ref(trans, &iter)));
+ if (ret)
+ bch_err_fn(c, ret);
+ return ret;
}
static int bch2_discard_one_bucket(struct btree_trans *trans,
struct bch_dev *ca;
struct bkey_i_alloc_v4 *a;
struct printbuf buf = PRINTBUF;
- bool did_discard = false;
int ret = 0;
ca = bch_dev_bkey_exists(c, pos.inode);
goto out;
}
- bch2_trans_iter_init(trans, &iter, BTREE_ID_alloc,
- need_discard_iter->pos,
- BTREE_ITER_CACHED);
- k = bch2_btree_iter_peek_slot(&iter);
+ k = bch2_bkey_get_iter(trans, &iter, BTREE_ID_alloc,
+ need_discard_iter->pos,
+ BTREE_ITER_CACHED);
ret = bkey_err(k);
if (ret)
goto out;
}
if (a->v.journal_seq > c->journal.flushed_seq_ondisk) {
- if (test_bit(BCH_FS_CHECK_ALLOC_DONE, &c->flags)) {
+ if (c->curr_recovery_pass > BCH_RECOVERY_PASS_check_alloc_info) {
bch2_trans_inconsistent(trans,
"clearing need_discard but journal_seq %llu > flushed_seq %llu\n"
"%s",
}
if (a->v.data_type != BCH_DATA_need_discard) {
- if (test_bit(BCH_FS_CHECK_ALLOC_DONE, &c->flags)) {
+ if (c->curr_recovery_pass > BCH_RECOVERY_PASS_check_alloc_info) {
bch2_trans_inconsistent(trans,
"bucket incorrectly set in need_discard btree\n"
"%s",
k.k->p.offset * ca->mi.bucket_size,
ca->mi.bucket_size,
GFP_KERNEL);
+ *discard_pos_done = iter.pos;
- ret = bch2_trans_relock(trans);
+ ret = bch2_trans_relock_notrace(trans);
if (ret)
goto out;
}
- *discard_pos_done = iter.pos;
- did_discard = true;
-
SET_BCH_ALLOC_V4_NEED_DISCARD(&a->v, false);
a->v.data_type = alloc_data_type(a->v, a->v.data_type);
write:
ret = bch2_trans_update(trans, &iter, &a->k_i, 0) ?:
bch2_trans_commit(trans, NULL, NULL,
- BTREE_INSERT_USE_RESERVE|BTREE_INSERT_NOFAIL);
+ BCH_WATERMARK_btree|
+ BTREE_INSERT_NOFAIL);
if (ret)
goto out;
- if (did_discard) {
- this_cpu_inc(c->counters[BCH_COUNTER_bucket_discard]);
- (*discarded)++;
- }
+ this_cpu_inc(c->counters[BCH_COUNTER_bucket_discard]);
+ (*discarded)++;
out:
+ (*seen)++;
bch2_trans_iter_exit(trans, &iter);
percpu_ref_put(&ca->io_ref);
printbuf_exit(&buf);
static void bch2_do_discards_work(struct work_struct *work)
{
struct bch_fs *c = container_of(work, struct bch_fs, discard_work);
- struct btree_trans trans;
struct btree_iter iter;
struct bkey_s_c k;
u64 seen = 0, open = 0, need_journal_commit = 0, discarded = 0;
struct bpos discard_pos_done = POS_MAX;
int ret;
- bch2_trans_init(&trans, c, 0, 0);
-
/*
* We're doing the commit in bch2_discard_one_bucket instead of using
* for_each_btree_key_commit() so that we can increment counters after
* successful commit:
*/
- ret = for_each_btree_key2(&trans, iter,
- BTREE_ID_need_discard, POS_MIN, 0, k,
- bch2_discard_one_bucket(&trans, &iter, &discard_pos_done,
- &seen,
- &open,
- &need_journal_commit,
- &discarded));
-
- bch2_trans_exit(&trans);
+ ret = bch2_trans_run(c,
+ for_each_btree_key2(trans, iter,
+ BTREE_ID_need_discard, POS_MIN, 0, k,
+ bch2_discard_one_bucket(trans, &iter, &discard_pos_done,
+ &seen,
+ &open,
+ &need_journal_commit,
+ &discarded)));
if (need_journal_commit * 2 > seen)
bch2_journal_flush_async(&c->journal, NULL);
- percpu_ref_put(&c->writes);
+ bch2_write_ref_put(c, BCH_WRITE_REF_discard);
trace_discard_buckets(c, seen, open, need_journal_commit, discarded,
bch2_err_str(ret));
void bch2_do_discards(struct bch_fs *c)
{
- if (percpu_ref_tryget_live(&c->writes) &&
- !queue_work(system_long_wq, &c->discard_work))
- percpu_ref_put(&c->writes);
+ if (bch2_write_ref_tryget(c, BCH_WRITE_REF_discard) &&
+ !queue_work(c->write_ref_wq, &c->discard_work))
+ bch2_write_ref_put(c, BCH_WRITE_REF_discard);
}
static int invalidate_one_bucket(struct btree_trans *trans,
struct btree_iter *lru_iter,
- struct bpos bucket,
+ struct bkey_s_c lru_k,
s64 *nr_to_invalidate)
{
struct bch_fs *c = trans->c;
struct btree_iter alloc_iter = { NULL };
- struct bkey_i_alloc_v4 *a;
+ struct bkey_i_alloc_v4 *a = NULL;
struct printbuf buf = PRINTBUF;
+ struct bpos bucket = u64_to_bucket(lru_k.k->p.offset);
unsigned cached_sectors;
int ret = 0;
if (*nr_to_invalidate <= 0)
return 1;
+ if (!bch2_dev_bucket_exists(c, bucket)) {
+ prt_str(&buf, "lru entry points to invalid bucket");
+ goto err;
+ }
+
+ if (bch2_bucket_is_open_safe(c, bucket.inode, bucket.offset))
+ return 0;
+
a = bch2_trans_start_alloc_update(trans, &alloc_iter, bucket);
ret = PTR_ERR_OR_ZERO(a);
if (ret)
goto out;
- if (lru_pos_time(lru_iter->pos) != alloc_lru_idx(a->v)) {
- prt_printf(&buf, "alloc key does not point back to lru entry when invalidating bucket:\n ");
- bch2_bpos_to_text(&buf, lru_iter->pos);
- prt_printf(&buf, "\n ");
- bch2_bkey_val_to_text(&buf, c, bkey_i_to_s_c(&a->k_i));
-
- bch_err(c, "%s", buf.buf);
- if (test_bit(BCH_FS_CHECK_LRUS_DONE, &c->flags)) {
- bch2_inconsistent_error(c);
- ret = -EINVAL;
- }
-
+ /* We expect harmless races here due to the btree write buffer: */
+ if (lru_pos_time(lru_iter->pos) != alloc_lru_idx_read(a->v))
goto out;
- }
+
+ BUG_ON(a->v.data_type != BCH_DATA_cached);
if (!a->v.cached_sectors)
bch_err(c, "invalidating empty bucket, confused");
ret = bch2_trans_update(trans, &alloc_iter, &a->k_i,
BTREE_TRIGGER_BUCKET_INVALIDATE) ?:
bch2_trans_commit(trans, NULL, NULL,
- BTREE_INSERT_USE_RESERVE|BTREE_INSERT_NOFAIL);
+ BCH_WATERMARK_btree|
+ BTREE_INSERT_NOFAIL);
if (ret)
goto out;
bch2_trans_iter_exit(trans, &alloc_iter);
printbuf_exit(&buf);
return ret;
+err:
+ prt_str(&buf, "\n lru key: ");
+ bch2_bkey_val_to_text(&buf, c, lru_k);
+
+ prt_str(&buf, "\n lru entry: ");
+ bch2_lru_pos_to_text(&buf, lru_iter->pos);
+
+ prt_str(&buf, "\n alloc key: ");
+ if (!a)
+ bch2_bpos_to_text(&buf, bucket);
+ else
+ bch2_bkey_val_to_text(&buf, c, bkey_i_to_s_c(&a->k_i));
+
+ bch_err(c, "%s", buf.buf);
+ if (c->curr_recovery_pass > BCH_RECOVERY_PASS_check_lrus) {
+ bch2_inconsistent_error(c);
+ ret = -EINVAL;
+ }
+
+ goto out;
}
static void bch2_do_invalidates_work(struct work_struct *work)
{
struct bch_fs *c = container_of(work, struct bch_fs, invalidate_work);
struct bch_dev *ca;
- struct btree_trans trans;
+ struct btree_trans *trans = bch2_trans_get(c);
struct btree_iter iter;
struct bkey_s_c k;
unsigned i;
int ret = 0;
- bch2_trans_init(&trans, c, 0, 0);
+ ret = bch2_btree_write_buffer_flush(trans);
+ if (ret)
+ goto err;
for_each_member_device(ca, c, i) {
s64 nr_to_invalidate =
should_invalidate_buckets(ca, bch2_dev_usage_read(ca));
- ret = for_each_btree_key2_upto(&trans, iter, BTREE_ID_lru,
+ ret = for_each_btree_key2_upto(trans, iter, BTREE_ID_lru,
lru_pos(ca->dev_idx, 0, 0),
lru_pos(ca->dev_idx, U64_MAX, LRU_TIME_MAX),
BTREE_ITER_INTENT, k,
- invalidate_one_bucket(&trans, &iter,
- u64_to_bucket(k.k->p.offset),
- &nr_to_invalidate));
+ invalidate_one_bucket(trans, &iter, k, &nr_to_invalidate));
if (ret < 0) {
percpu_ref_put(&ca->ref);
break;
}
}
-
- bch2_trans_exit(&trans);
- percpu_ref_put(&c->writes);
+err:
+ bch2_trans_put(trans);
+ bch2_write_ref_put(c, BCH_WRITE_REF_invalidate);
}
void bch2_do_invalidates(struct bch_fs *c)
{
- if (percpu_ref_tryget_live(&c->writes) &&
- !queue_work(system_long_wq, &c->invalidate_work))
- percpu_ref_put(&c->writes);
+ if (bch2_write_ref_tryget(c, BCH_WRITE_REF_invalidate) &&
+ !queue_work(c->write_ref_wq, &c->invalidate_work))
+ bch2_write_ref_put(c, BCH_WRITE_REF_invalidate);
}
-static int bch2_dev_freespace_init(struct bch_fs *c, struct bch_dev *ca)
+int bch2_dev_freespace_init(struct bch_fs *c, struct bch_dev *ca,
+ u64 bucket_start, u64 bucket_end)
{
- struct btree_trans trans;
+ struct btree_trans *trans = bch2_trans_get(c);
struct btree_iter iter;
struct bkey_s_c k;
struct bkey hole;
- struct bpos end = POS(ca->dev_idx, ca->mi.nbuckets);
+ struct bpos end = POS(ca->dev_idx, bucket_end);
struct bch_member *m;
+ unsigned long last_updated = jiffies;
int ret;
- bch2_trans_init(&trans, c, 0, 0);
+ BUG_ON(bucket_start > bucket_end);
+ BUG_ON(bucket_end > ca->mi.nbuckets);
- bch2_trans_iter_init(&trans, &iter, BTREE_ID_alloc,
- POS(ca->dev_idx, ca->mi.first_bucket),
- BTREE_ITER_PREFETCH);
+ bch2_trans_iter_init(trans, &iter, BTREE_ID_alloc,
+ POS(ca->dev_idx, max_t(u64, ca->mi.first_bucket, bucket_start)),
+ BTREE_ITER_PREFETCH);
/*
* Scan the alloc btree for every bucket on @ca, and add buckets to the
* freespace/need_discard/need_gc_gens btrees as needed:
*/
while (1) {
- bch2_trans_begin(&trans);
+ if (last_updated + HZ * 10 < jiffies) {
+ bch_info(ca, "%s: currently at %llu/%llu",
+ __func__, iter.pos.offset, ca->mi.nbuckets);
+ last_updated = jiffies;
+ }
+
+ bch2_trans_begin(trans);
if (bkey_ge(iter.pos, end)) {
ret = 0;
struct bch_alloc_v4 a_convert;
const struct bch_alloc_v4 *a = bch2_alloc_to_v4(k, &a_convert);
- ret = bch2_bucket_do_index(&trans, k, a, true) ?:
- bch2_trans_commit(&trans, NULL, NULL,
+ ret = bch2_bucket_do_index(trans, k, a, true) ?:
+ bch2_trans_commit(trans, NULL, NULL,
BTREE_INSERT_LAZY_RW|
BTREE_INSERT_NOFAIL);
if (ret)
} else {
struct bkey_i *freespace;
- freespace = bch2_trans_kmalloc(&trans, sizeof(*freespace));
+ freespace = bch2_trans_kmalloc(trans, sizeof(*freespace));
ret = PTR_ERR_OR_ZERO(freespace);
if (ret)
goto bkey_err;
freespace->k.p = k.k->p;
freespace->k.size = k.k->size;
- ret = __bch2_btree_insert(&trans, BTREE_ID_freespace, freespace) ?:
- bch2_trans_commit(&trans, NULL, NULL,
+ ret = bch2_btree_insert_trans(trans, BTREE_ID_freespace, freespace, 0) ?:
+ bch2_trans_commit(trans, NULL, NULL,
BTREE_INSERT_LAZY_RW|
BTREE_INSERT_NOFAIL);
if (ret)
break;
}
- bch2_trans_iter_exit(&trans, &iter);
- bch2_trans_exit(&trans);
+ bch2_trans_iter_exit(trans, &iter);
+ bch2_trans_put(trans);
if (ret < 0) {
- bch_err(ca, "error initializing free space: %s", bch2_err_str(ret));
+ bch_err_msg(ca, ret, "initializing free space");
return ret;
}
mutex_lock(&c->sb_lock);
- m = bch2_sb_get_members(c->disk_sb.sb)->members + ca->dev_idx;
+ m = bch2_members_v2_get_mut(c->disk_sb.sb, ca->dev_idx);
SET_BCH_MEMBER_FREESPACE_INITIALIZED(m, true);
mutex_unlock(&c->sb_lock);
doing_init = true;
}
- ret = bch2_dev_freespace_init(c, ca);
+ ret = bch2_dev_freespace_init(c, ca, 0, ca->mi.nbuckets);
if (ret) {
percpu_ref_put(&ca->ref);
+ bch_err_fn(c, ret);
return ret;
}
}
mutex_lock(&c->sb_lock);
bch2_write_super(c);
mutex_unlock(&c->sb_lock);
-
bch_verbose(c, "done initializing freespace");
}
- return ret;
+ return 0;
}
/* Bucket IO clocks: */
*/
bch2_recalc_capacity(c);
- /* Next, close write points that point to this device... */
- for (i = 0; i < ARRAY_SIZE(c->write_points); i++)
- bch2_writepoint_stop(c, ca, &c->write_points[i]);
-
- bch2_writepoint_stop(c, ca, &c->copygc_write_point);
- bch2_writepoint_stop(c, ca, &c->rebalance_write_point);
- bch2_writepoint_stop(c, ca, &c->btree_write_point);
-
- mutex_lock(&c->btree_reserve_cache_lock);
- while (c->btree_reserve_cache_nr) {
- struct btree_alloc *a =
- &c->btree_reserve_cache[--c->btree_reserve_cache_nr];
-
- bch2_open_buckets_put(c, &a->ob);
- }
- mutex_unlock(&c->btree_reserve_cache_lock);
-
- while (1) {
- struct open_bucket *ob;
-
- spin_lock(&c->freelist_lock);
- if (!ca->open_buckets_partial_nr) {
- spin_unlock(&c->freelist_lock);
- break;
- }
- ob = c->open_buckets +
- ca->open_buckets_partial[--ca->open_buckets_partial_nr];
- ob->on_partial_list = false;
- spin_unlock(&c->freelist_lock);
-
- bch2_open_bucket_put(c, ob);
- }
-
- bch2_ec_stop_dev(c, ca);
+ bch2_open_buckets_stop(c, ca, false);
/*
* Wake up threads that were blocked on allocation, so they can notice
projects / bcachefs-tools-debian / blobdiff