Rewrite fsck/gc for the new accounting scheme.
This adds a second set of in-memory accounting counters for gc to use;
like with other parts of gc we run all trigger in TRIGGER_GC mode, then
compare what we calculated to existing in-memory accounting at the end.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
};
s64 d[3] = { delta_buckets, delta_sectors, delta_fragmented };
- return bch2_disk_accounting_mod(trans, &acc, d, 3);
+ return bch2_disk_accounting_mod(trans, &acc, d, 3, flags & BTREE_TRIGGER_gc);
}
int bch2_alloc_key_to_dev_counters(struct btree_trans *trans, struct bch_dev *ca,
if ((flags & BTREE_TRIGGER_bucket_invalidate) &&
old_a->cached_sectors) {
ret = bch2_mod_dev_cached_sectors(trans, ca->dev_idx,
- -((s64) old_a->cached_sectors));
+ -((s64) old_a->cached_sectors),
+ flags & BTREE_TRIGGER_gc);
if (ret)
goto err;
}
if (statechange(a->data_type == BCH_DATA_need_gc_gens))
bch2_gc_gens_async(c);
}
-
- if ((flags & BTREE_TRIGGER_gc) &&
- (flags & BTREE_TRIGGER_bucket_invalidate)) {
- struct bch_alloc_v4 new_a_convert;
- const struct bch_alloc_v4 *new_a = bch2_alloc_to_v4(new.s_c, &new_a_convert);
-
- percpu_down_read(&c->mark_lock);
- struct bucket *g = gc_bucket(ca, new.k->p.offset);
- if (unlikely(!g)) {
- percpu_up_read(&c->mark_lock);
- goto invalid_bucket;
- }
- g->gen_valid = 1;
-
- bucket_lock(g);
-
- g->gen_valid = 1;
- g->gen = new_a->gen;
- g->data_type = new_a->data_type;
- g->stripe = new_a->stripe;
- g->stripe_redundancy = new_a->stripe_redundancy;
- g->dirty_sectors = new_a->dirty_sectors;
- g->cached_sectors = new_a->cached_sectors;
-
- bucket_unlock(g);
- percpu_up_read(&c->mark_lock);
-
- bch2_dev_usage_update(c, ca, old_a, new_a);
- }
err:
printbuf_exit(&buf);
bch2_dev_put(ca);
prt_printf(out, "capacity\t%llu\n", c->capacity);
prt_printf(out, "reserved\t%llu\n", c->reserved);
- percpu_down_read(&c->mark_lock);
- prt_printf(out, "hidden\t%llu\n", bch2_fs_usage_read_one(c, &c->usage_base->b.hidden));
- prt_printf(out, "btree\t%llu\n", bch2_fs_usage_read_one(c, &c->usage_base->b.btree));
- prt_printf(out, "data\t%llu\n", bch2_fs_usage_read_one(c, &c->usage_base->b.data));
- prt_printf(out, "cached\t%llu\n", bch2_fs_usage_read_one(c, &c->usage_base->b.cached));
- prt_printf(out, "reserved\t%llu\n", bch2_fs_usage_read_one(c, &c->usage_base->b.reserved));
- prt_printf(out, "online_reserved\t%llu\n", percpu_u64_get(c->online_reserved));
- prt_printf(out, "nr_inodes\t%llu\n", bch2_fs_usage_read_one(c, &c->usage_base->b.nr_inodes));
- percpu_up_read(&c->mark_lock);
+ prt_printf(out, "hidden\t%llu\n", percpu_u64_get(&c->usage->hidden));
+ prt_printf(out, "btree\t%llu\n", percpu_u64_get(&c->usage->btree));
+ prt_printf(out, "data\t%llu\n", percpu_u64_get(&c->usage->data));
+ prt_printf(out, "cached\t%llu\n", percpu_u64_get(&c->usage->cached));
+ prt_printf(out, "reserved\t%llu\n", percpu_u64_get(&c->usage->reserved));
+ prt_printf(out, "online_reserved\t%llu\n", percpu_u64_get(c->online_reserved));
+ prt_printf(out, "nr_inodes\t%llu\n", percpu_u64_get(&c->usage->nr_inodes));
prt_newline(out);
prt_printf(out, "freelist_wait\t%s\n", c->freelist_wait.list.first ? "waiting" : "empty");
struct rw_semaphore bucket_lock;
struct bch_dev_usage __percpu *usage;
- struct bch_dev_usage __percpu *usage_gc;
/* Allocator: */
u64 new_fs_bucket_idx;
struct bch_dev __rcu *devs[BCH_SB_MEMBERS_MAX];
- struct bch_accounting_mem accounting;
+ struct bch_accounting_mem accounting[2];
struct bch_replicas_cpu replicas;
struct bch_replicas_cpu replicas_gc;
seqcount_t usage_lock;
struct bch_fs_usage_base __percpu *usage;
- struct bch_fs_usage __percpu *usage_gc;
u64 __percpu *online_reserved;
struct io_clock io_clock[2];
#include "buckets.h"
#include "clock.h"
#include "debug.h"
+#include "disk_accounting.h"
#include "ec.h"
#include "error.h"
#include "extents.h"
static void bch2_gc_free(struct bch_fs *c)
{
+ bch2_accounting_free(&c->accounting[1]);
+
genradix_free(&c->reflink_gc_table);
genradix_free(&c->gc_stripes);
for_each_member_device(c, ca) {
kvfree(rcu_dereference_protected(ca->buckets_gc, 1));
ca->buckets_gc = NULL;
-
- free_percpu(ca->usage_gc);
- ca->usage_gc = NULL;
- }
-
- free_percpu(c->usage_gc);
- c->usage_gc = NULL;
-}
-
-static int bch2_gc_done(struct bch_fs *c)
-{
- struct bch_dev *ca = NULL;
- struct printbuf buf = PRINTBUF;
- unsigned i;
- int ret = 0;
-
- percpu_down_write(&c->mark_lock);
-
-#define copy_field(_err, _f, _msg, ...) \
- if (fsck_err_on(dst->_f != src->_f, c, _err, \
- _msg ": got %llu, should be %llu" , ##__VA_ARGS__, \
- dst->_f, src->_f)) \
- dst->_f = src->_f
-#define copy_dev_field(_err, _f, _msg, ...) \
- copy_field(_err, _f, "dev %u has wrong " _msg, ca->dev_idx, ##__VA_ARGS__)
-#define copy_fs_field(_err, _f, _msg, ...) \
- copy_field(_err, _f, "fs has wrong " _msg, ##__VA_ARGS__)
-
- __for_each_member_device(c, ca) {
- /* XXX */
- struct bch_dev_usage *dst = this_cpu_ptr(ca->usage);
- struct bch_dev_usage *src = (void *)
- bch2_acc_percpu_u64s((u64 __percpu *) ca->usage_gc,
- dev_usage_u64s());
-
- for (i = 0; i < BCH_DATA_NR; i++) {
- copy_dev_field(dev_usage_buckets_wrong,
- d[i].buckets, "%s buckets", bch2_data_type_str(i));
- copy_dev_field(dev_usage_sectors_wrong,
- d[i].sectors, "%s sectors", bch2_data_type_str(i));
- copy_dev_field(dev_usage_fragmented_wrong,
- d[i].fragmented, "%s fragmented", bch2_data_type_str(i));
- }
}
-
- {
-#if 0
- unsigned nr = fs_usage_u64s(c);
- /* XX: */
- struct bch_fs_usage *dst = this_cpu_ptr(c->usage);
- struct bch_fs_usage *src = (void *)
- bch2_acc_percpu_u64s((u64 __percpu *) c->usage_gc, nr);
-
- copy_fs_field(fs_usage_hidden_wrong,
- b.hidden, "hidden");
- copy_fs_field(fs_usage_btree_wrong,
- b.btree, "btree");
-
- copy_fs_field(fs_usage_data_wrong,
- b.data, "data");
- copy_fs_field(fs_usage_cached_wrong,
- b.cached, "cached");
- copy_fs_field(fs_usage_reserved_wrong,
- b.reserved, "reserved");
- copy_fs_field(fs_usage_nr_inodes_wrong,
- b.nr_inodes,"nr_inodes");
-
- for (i = 0; i < BCH_REPLICAS_MAX; i++)
- copy_fs_field(fs_usage_persistent_reserved_wrong,
- persistent_reserved[i],
- "persistent_reserved[%i]", i);
-
- for (i = 0; i < c->replicas.nr; i++) {
- struct bch_replicas_entry_v1 *e =
- cpu_replicas_entry(&c->replicas, i);
-
- printbuf_reset(&buf);
- bch2_replicas_entry_to_text(&buf, e);
-
- copy_fs_field(fs_usage_replicas_wrong,
- replicas[i], "%s", buf.buf);
- }
-#endif
- }
-
-#undef copy_fs_field
-#undef copy_dev_field
-#undef copy_stripe_field
-#undef copy_field
-fsck_err:
- bch2_dev_put(ca);
- bch_err_fn(c, ret);
- percpu_up_write(&c->mark_lock);
- printbuf_exit(&buf);
- return ret;
}
static int bch2_gc_start(struct bch_fs *c)
{
- BUG_ON(c->usage_gc);
-
- c->usage_gc = __alloc_percpu_gfp(fs_usage_u64s(c) * sizeof(u64),
- sizeof(u64), GFP_KERNEL);
- if (!c->usage_gc) {
- bch_err(c, "error allocating c->usage_gc");
- return -BCH_ERR_ENOMEM_gc_start;
- }
-
for_each_member_device(c, ca) {
- BUG_ON(ca->usage_gc);
-
- ca->usage_gc = alloc_percpu(struct bch_dev_usage);
- if (!ca->usage_gc) {
- bch_err(c, "error allocating ca->usage_gc");
+ int ret = bch2_dev_usage_init(ca, true);
+ if (ret) {
bch2_dev_put(ca);
- return -BCH_ERR_ENOMEM_gc_start;
+ return ret;
}
-
- this_cpu_write(ca->usage_gc->d[BCH_DATA_free].buckets,
- ca->mi.nbuckets - ca->mi.first_bucket);
}
return 0;
gc.data_type = old->data_type;
gc.dirty_sectors = old->dirty_sectors;
}
+ percpu_up_read(&c->mark_lock);
/*
* gc.data_type doesn't yet include need_discard & need_gc_gen states -
alloc_data_type_set(&gc, gc.data_type);
if (gc.data_type != old_gc.data_type ||
- gc.dirty_sectors != old_gc.dirty_sectors)
- bch2_dev_usage_update(c, ca, &old_gc, &gc);
- percpu_up_read(&c->mark_lock);
+ gc.dirty_sectors != old_gc.dirty_sectors) {
+ ret = bch2_alloc_key_to_dev_counters(trans, ca, &old_gc, &gc, BTREE_TRIGGER_gc);
+ if (ret)
+ return ret;
+ }
gc.fragmentation_lru = alloc_lru_idx_fragmentation(gc, ca);
gc_pos_set(c, gc_phase(GC_PHASE_start));
ret = bch2_mark_superblocks(c);
- BUG_ON(ret);
+ bch_err_msg(c, ret, "marking superblocks");
+ if (ret)
+ goto out;
ret = bch2_gc_btrees(c);
if (ret)
bch2_journal_block(&c->journal);
out:
ret = bch2_gc_alloc_done(c) ?:
- bch2_gc_done(c) ?:
+ bch2_accounting_gc_done(c) ?:
bch2_gc_stripes_done(c) ?:
bch2_gc_reflink_done(c);
a->k.version = journal_pos_to_bversion(&trans->journal_res,
(u64 *) entry - (u64 *) trans->journal_entries);
BUG_ON(bversion_zero(a->k.version));
- ret = bch2_accounting_mem_mod(trans, accounting_i_to_s_c(a));
+ ret = bch2_accounting_mem_mod_locked(trans, accounting_i_to_s_c(a), false);
if (ret)
goto revert_fs_usage;
}
struct bkey_s_accounting a = bkey_i_to_s_accounting(entry2->start);
bch2_accounting_neg(a);
- bch2_accounting_mem_mod(trans, a.c);
+ bch2_accounting_mem_mod_locked(trans, a.c, false);
bch2_accounting_neg(a);
}
percpu_up_read(&c->mark_lock);
}
}
-void bch2_dev_usage_update(struct bch_fs *c, struct bch_dev *ca,
- const struct bch_alloc_v4 *old,
- const struct bch_alloc_v4 *new)
-{
- struct bch_fs_usage *fs_usage;
- struct bch_dev_usage *u;
-
- preempt_disable();
- fs_usage = this_cpu_ptr(c->usage_gc);
-
- if (data_type_is_hidden(old->data_type))
- fs_usage->b.hidden -= ca->mi.bucket_size;
- if (data_type_is_hidden(new->data_type))
- fs_usage->b.hidden += ca->mi.bucket_size;
-
- u = this_cpu_ptr(ca->usage_gc);
-
- u->d[old->data_type].buckets--;
- u->d[new->data_type].buckets++;
-
- u->d[old->data_type].sectors -= bch2_bucket_sectors_dirty(*old);
- u->d[new->data_type].sectors += bch2_bucket_sectors_dirty(*new);
-
- u->d[old->data_type].fragmented -= bch2_bucket_sectors_fragmented(ca, *old);
- u->d[new->data_type].fragmented += bch2_bucket_sectors_fragmented(ca, *new);
-
- u->d[BCH_DATA_cached].sectors -= old->cached_sectors;
- u->d[BCH_DATA_cached].sectors += new->cached_sectors;
-
- unsigned old_unstriped = bch2_bucket_sectors_unstriped(*old);
- u->d[BCH_DATA_unstriped].buckets -= old_unstriped != 0;
- u->d[BCH_DATA_unstriped].sectors -= old_unstriped;
-
- unsigned new_unstriped = bch2_bucket_sectors_unstriped(*new);
- u->d[BCH_DATA_unstriped].buckets += new_unstriped != 0;
- u->d[BCH_DATA_unstriped].sectors += new_unstriped;
-
- preempt_enable();
-}
-
-int bch2_update_replicas(struct bch_fs *c, struct bkey_s_c k,
- struct bch_replicas_entry_v1 *r, s64 sectors)
-{
- struct bch_fs_usage *fs_usage;
- int idx, ret = 0;
- struct printbuf buf = PRINTBUF;
-
- percpu_down_read(&c->mark_lock);
-
- idx = bch2_replicas_entry_idx(c, r);
- if (idx < 0 &&
- fsck_err(c, ptr_to_missing_replicas_entry,
- "no replicas entry\n while marking %s",
- (bch2_bkey_val_to_text(&buf, c, k), buf.buf))) {
- percpu_up_read(&c->mark_lock);
- ret = bch2_mark_replicas(c, r);
- percpu_down_read(&c->mark_lock);
-
- if (ret)
- goto err;
- idx = bch2_replicas_entry_idx(c, r);
- }
- if (idx < 0) {
- ret = -1;
- goto err;
- }
-
- preempt_disable();
- fs_usage = this_cpu_ptr(c->usage_gc);
- fs_usage_data_type_to_base(&fs_usage->b, r->data_type, sectors);
- fs_usage->replicas[idx] += sectors;
- preempt_enable();
-err:
-fsck_err:
- percpu_up_read(&c->mark_lock);
- printbuf_exit(&buf);
- return ret;
-}
-
-static inline int update_cached_sectors(struct bch_fs *c,
- struct bkey_s_c k,
- unsigned dev, s64 sectors)
-{
- struct bch_replicas_padded r;
-
- bch2_replicas_entry_cached(&r.e, dev);
-
- return bch2_update_replicas(c, k, &r.e, sectors);
-}
-
static int bch2_check_fix_ptr(struct btree_trans *trans,
struct bkey_s_c k,
struct extent_ptr_decoded p,
bool warn = false;
percpu_down_read(&c->mark_lock);
- preempt_disable();
- struct bch_fs_usage_base *dst = this_cpu_ptr(c->usage);
struct bch_fs_usage_base *src = &trans->fs_usage_delta;
s64 added = src->btree + src->data + src->reserved;
this_cpu_sub(*c->online_reserved, added);
}
- dst->hidden += src->hidden;
- dst->btree += src->btree;
- dst->data += src->data;
- dst->cached += src->cached;
- dst->reserved += src->reserved;
- dst->nr_inodes += src->nr_inodes;
-
+ preempt_disable();
+ struct bch_fs_usage_base *dst = this_cpu_ptr(c->usage);
+ acc_u64s((u64 *) dst, (u64 *) src, sizeof(*src) / sizeof(u64));
preempt_enable();
percpu_up_read(&c->mark_lock);
bucket_lock(g);
struct bch_alloc_v4 old = bucket_m_to_alloc(*g), new = old;
ret = __mark_pointer(trans, ca, k, &p, *sectors, bp.data_type, &new);
- if (!ret) {
- alloc_to_bucket(g, new);
- bch2_dev_usage_update(c, ca, &old, &new);
- }
+ alloc_to_bucket(g, new);
bucket_unlock(g);
err_unlock:
percpu_up_read(&c->mark_lock);
+
+ if (!ret)
+ ret = bch2_alloc_key_to_dev_counters(trans, ca, &old, &new, flags);
}
err:
bch2_dev_put(ca);
};
bch2_bkey_to_replicas(&acc.replicas, bkey_i_to_s_c(&s->k_i));
acc.replicas.data_type = data_type;
- ret = bch2_disk_accounting_mod(trans, &acc, §ors, 1);
+ ret = bch2_disk_accounting_mod(trans, &acc, §ors, 1, false);
err:
bch2_trans_iter_exit(trans, &iter);
return ret;
if (flags & BTREE_TRIGGER_gc) {
struct bch_fs *c = trans->c;
- BUG_ON(!(flags & BTREE_TRIGGER_gc));
-
struct gc_stripe *m = genradix_ptr_alloc(&c->gc_stripes, p.ec.idx, GFP_KERNEL);
if (!m) {
bch_err(c, "error allocating memory for gc_stripes, idx %llu",
m->block_sectors[p.ec.block] += sectors;
- struct bch_replicas_padded r = m->r;
+ struct disk_accounting_pos acc = {
+ .type = BCH_DISK_ACCOUNTING_replicas,
+ };
+ memcpy(&acc.replicas, &m->r.e, replicas_entry_bytes(&m->r.e));
mutex_unlock(&c->ec_stripes_heap_lock);
- r.e.data_type = data_type;
- bch2_update_replicas(c, k, &r.e, sectors);
+ acc.replicas.data_type = data_type;
+ int ret = bch2_disk_accounting_mod(trans, &acc, §ors, 1, true);
+ if (ret)
+ return ret;
}
return 0;
enum btree_iter_update_trigger_flags flags)
{
bool gc = flags & BTREE_TRIGGER_gc;
- struct bch_fs *c = trans->c;
struct bkey_ptrs_c ptrs = bch2_bkey_ptrs_c(k);
const union bch_extent_entry *entry;
struct extent_ptr_decoded p;
if (p.ptr.cached) {
if (!stale) {
- ret = !gc
- ? bch2_mod_dev_cached_sectors(trans, p.ptr.dev, disk_sectors)
- : update_cached_sectors(c, k, p.ptr.dev, disk_sectors);
- bch2_fs_fatal_err_on(ret && gc, c, "%s: no replicas entry while updating cached sectors",
- bch2_err_str(ret));
+ ret = bch2_mod_dev_cached_sectors(trans, p.ptr.dev, disk_sectors, gc);
if (ret)
return ret;
}
}
if (acc.replicas.nr_devs) {
- ret = !gc
- ? bch2_disk_accounting_mod(trans, &acc, &replicas_sectors, 1)
- : bch2_update_replicas(c, k, &acc.replicas, replicas_sectors);
- if (unlikely(ret && gc)) {
- struct printbuf buf = PRINTBUF;
-
- bch2_bkey_val_to_text(&buf, c, k);
- bch2_fs_fatal_error(c, ": no replicas entry for %s", buf.buf);
- printbuf_exit(&buf);
- }
+ ret = bch2_disk_accounting_mod(trans, &acc, &replicas_sectors, 1, gc);
if (ret)
return ret;
}
enum btree_id btree_id, unsigned level, struct bkey_s_c k,
enum btree_iter_update_trigger_flags flags)
{
- struct bch_fs *c = trans->c;
- unsigned replicas = bkey_s_c_to_reservation(k).v->nr_replicas;
- s64 sectors = (s64) k.k->size;
+ if (flags & (BTREE_TRIGGER_transactional|BTREE_TRIGGER_gc)) {
+ s64 sectors = k.k->size;
- if (flags & BTREE_TRIGGER_overwrite)
- sectors = -sectors;
+ if (flags & BTREE_TRIGGER_overwrite)
+ sectors = -sectors;
- if (flags & BTREE_TRIGGER_transactional) {
struct disk_accounting_pos acc = {
.type = BCH_DISK_ACCOUNTING_persistent_reserved,
- .persistent_reserved.nr_replicas = replicas,
+ .persistent_reserved.nr_replicas = bkey_s_c_to_reservation(k).v->nr_replicas,
};
- return bch2_disk_accounting_mod(trans, &acc, §ors, 1);
- }
-
- if (flags & BTREE_TRIGGER_gc) {
- sectors *= replicas;
-
- percpu_down_read(&c->mark_lock);
- preempt_disable();
-
- struct bch_fs_usage *fs_usage = this_cpu_ptr(c->usage_gc);
-
- replicas = min(replicas, ARRAY_SIZE(fs_usage->persistent_reserved));
- fs_usage->b.reserved += sectors;
- fs_usage->persistent_reserved[replicas - 1] += sectors;
-
- preempt_enable();
- percpu_up_read(&c->mark_lock);
+ return bch2_disk_accounting_mod(trans, &acc, §ors, 1, flags & BTREE_TRIGGER_gc);
}
return 0;
return ret;
}
-static int bch2_mark_metadata_bucket(struct bch_fs *c, struct bch_dev *ca,
+static int bch2_mark_metadata_bucket(struct btree_trans *trans, struct bch_dev *ca,
u64 b, enum bch_data_type data_type, unsigned sectors,
enum btree_iter_update_trigger_flags flags)
{
+ struct bch_fs *c = trans->c;
+ int ret = 0;
+
percpu_down_read(&c->mark_lock);
struct bucket *g = gc_bucket(ca, b);
if (bch2_fs_inconsistent_on(!g, c, "reference to invalid bucket on device %u when marking metadata type %s",
g->data_type = data_type;
g->dirty_sectors += sectors;
struct bch_alloc_v4 new = bucket_m_to_alloc(*g);
- bch2_dev_usage_update(c, ca, &old, &new);
+ bucket_unlock(g);
percpu_up_read(&c->mark_lock);
- return 0;
+ ret = bch2_alloc_key_to_dev_counters(trans, ca, &old, &new, flags);
+ return ret;
err:
bucket_unlock(g);
err_unlock:
return 0;
if (flags & BTREE_TRIGGER_gc)
- return bch2_mark_metadata_bucket(trans->c, ca, b, type, sectors, flags);
+ return bch2_mark_metadata_bucket(trans, ca, b, type, sectors, flags);
else if (flags & BTREE_TRIGGER_transactional)
return commit_do(trans, NULL, NULL, 0,
__bch2_trans_mark_metadata_bucket(trans, ca, b, type, sectors));
/* Filesystem usage: */
-static inline unsigned __fs_usage_u64s(unsigned nr_replicas)
-{
- return sizeof(struct bch_fs_usage) / sizeof(u64) + nr_replicas;
-}
-
-static inline unsigned fs_usage_u64s(struct bch_fs *c)
-{
- return __fs_usage_u64s(READ_ONCE(c->replicas.nr));
-}
-
static inline unsigned dev_usage_u64s(void)
{
return sizeof(struct bch_dev_usage) / sizeof(u64);
struct bch_fs_usage_short
bch2_fs_usage_read_short(struct bch_fs *);
-void bch2_dev_usage_update(struct bch_fs *, struct bch_dev *,
- const struct bch_alloc_v4 *,
- const struct bch_alloc_v4 *);
-int bch2_update_replicas(struct bch_fs *, struct bkey_s_c,
- struct bch_replicas_entry_v1 *, s64);
-
int bch2_bucket_ref_update(struct btree_trans *, struct bch_dev *,
struct bkey_s_c, const struct bch_extent_ptr *,
s64, enum bch_data_type, u8, u8, u32 *);
u64 nr_inodes;
};
-struct bch_fs_usage {
- /* all fields are in units of 512 byte sectors: */
- struct bch_fs_usage_base b;
- u64 persistent_reserved[BCH_REPLICAS_MAX];
- u64 replicas[];
-};
-
struct bch_fs_usage_short {
u64 capacity;
u64 used;
NULL
};
+static inline void accounting_key_init(struct bkey_i *k, struct disk_accounting_pos *pos,
+ s64 *d, unsigned nr)
+{
+ struct bkey_i_accounting *acc = bkey_accounting_init(k);
+
+ acc->k.p = disk_accounting_pos_to_bpos(pos);
+ set_bkey_val_u64s(&acc->k, sizeof(struct bch_accounting) / sizeof(u64) + nr);
+
+ memcpy_u64s_small(acc->v.d, d, nr);
+}
+
int bch2_disk_accounting_mod(struct btree_trans *trans,
struct disk_accounting_pos *k,
- s64 *d, unsigned nr)
+ s64 *d, unsigned nr, bool gc)
{
/* Normalize: */
switch (k->type) {
BUG_ON(nr > BCH_ACCOUNTING_MAX_COUNTERS);
- struct {
- __BKEY_PADDED(k, BCH_ACCOUNTING_MAX_COUNTERS);
- } k_i;
- struct bkey_i_accounting *acc = bkey_accounting_init(&k_i.k);
-
- acc->k.p = disk_accounting_pos_to_bpos(k);
- set_bkey_val_u64s(&acc->k, sizeof(struct bch_accounting) / sizeof(u64) + nr);
+ struct { __BKEY_PADDED(k, BCH_ACCOUNTING_MAX_COUNTERS); } k_i;
- memcpy_u64s_small(acc->v.d, d, nr);
+ accounting_key_init(&k_i.k, k, d, nr);
- return bch2_trans_update_buffered(trans, BTREE_ID_accounting, &acc->k_i);
+ return likely(!gc)
+ ? bch2_trans_update_buffered(trans, BTREE_ID_accounting, &k_i.k)
+ : bch2_accounting_mem_add(trans, bkey_i_to_s_c_accounting(&k_i.k), true);
}
int bch2_mod_dev_cached_sectors(struct btree_trans *trans,
- unsigned dev, s64 sectors)
+ unsigned dev, s64 sectors,
+ bool gc)
{
struct disk_accounting_pos acc = {
.type = BCH_DISK_ACCOUNTING_replicas,
bch2_replicas_entry_cached(&acc.replicas, dev);
- return bch2_disk_accounting_mod(trans, &acc, §ors, 1);
+ return bch2_disk_accounting_mod(trans, &acc, §ors, 1, gc);
}
int bch2_accounting_invalid(struct bch_fs *c, struct bkey_s_c k,
return 0;
}
-static int __bch2_accounting_mem_mod_slowpath(struct bch_fs *c, struct bkey_s_c_accounting a)
+static int __bch2_accounting_mem_mod_slowpath(struct bch_fs *c, struct bkey_s_c_accounting a, bool gc)
{
struct bch_replicas_padded r;
!bch2_replicas_marked_locked(c, &r.e))
return -BCH_ERR_btree_insert_need_mark_replicas;
- struct bch_accounting_mem *acc = &c->accounting;
+ struct bch_accounting_mem *acc = &c->accounting[gc];
unsigned new_nr_counters = acc->nr_counters + bch2_accounting_counters(a.k);
u64 __percpu *new_counters = __alloc_percpu_gfp(new_nr_counters * sizeof(u64),
return 0;
}
-int bch2_accounting_mem_mod_slowpath(struct bch_fs *c, struct bkey_s_c_accounting a)
+int bch2_accounting_mem_mod_slowpath(struct bch_fs *c, struct bkey_s_c_accounting a, bool gc)
{
percpu_up_read(&c->mark_lock);
percpu_down_write(&c->mark_lock);
- int ret = __bch2_accounting_mem_mod_slowpath(c, a);
+ int ret = __bch2_accounting_mem_mod_slowpath(c, a, gc);
percpu_up_write(&c->mark_lock);
percpu_down_read(&c->mark_lock);
return ret;
*/
int bch2_fs_replicas_usage_read(struct bch_fs *c, darray_char *usage)
{
- struct bch_accounting_mem *acc = &c->accounting;
+ struct bch_accounting_mem *acc = &c->accounting[0];
int ret = 0;
darray_init(usage);
return ret;
}
+/* Ensures all counters in @src exist in @dst: */
+static int copy_counters(struct bch_accounting_mem *dst,
+ struct bch_accounting_mem *src)
+{
+ unsigned orig_dst_k_nr = dst->k.nr;
+ unsigned dst_counters = dst->nr_counters;
+
+ darray_for_each(src->k, i)
+ if (eytzinger0_find(dst->k.data, orig_dst_k_nr, sizeof(dst->k.data[0]),
+ accounting_pos_cmp, &i->pos) >= orig_dst_k_nr) {
+ if (darray_push(&dst->k, ((struct accounting_pos_offset) {
+ .pos = i->pos,
+ .offset = dst_counters,
+ .nr_counters = i->nr_counters })))
+ goto err;
+
+ dst_counters += i->nr_counters;
+ }
+
+ if (dst->k.nr == orig_dst_k_nr)
+ return 0;
+
+ u64 __percpu *new_counters = __alloc_percpu_gfp(dst_counters * sizeof(u64),
+ sizeof(u64), GFP_KERNEL);
+ if (!new_counters)
+ goto err;
+
+ preempt_disable();
+ memcpy(this_cpu_ptr(new_counters),
+ bch2_acc_percpu_u64s(dst->v, dst->nr_counters),
+ dst->nr_counters * sizeof(u64));
+ preempt_enable();
+
+ free_percpu(dst->v);
+ dst->v = new_counters;
+ dst->nr_counters = dst_counters;
+
+ eytzinger0_sort(dst->k.data, dst->k.nr, sizeof(dst->k.data[0]), accounting_pos_cmp, NULL);
+
+ return 0;
+err:
+ dst->k.nr = orig_dst_k_nr;
+ return -BCH_ERR_ENOMEM_disk_accounting;
+}
+
+int bch2_accounting_gc_done(struct bch_fs *c)
+{
+ struct bch_accounting_mem *dst = &c->accounting[0];
+ struct bch_accounting_mem *src = &c->accounting[1];
+ struct btree_trans *trans = bch2_trans_get(c);
+ struct printbuf buf = PRINTBUF;
+ int ret = 0;
+
+ percpu_down_write(&c->mark_lock);
+
+ ret = copy_counters(dst, src) ?:
+ copy_counters(src, dst);
+ if (ret)
+ goto err;
+
+ BUG_ON(dst->k.nr != src->k.nr);
+
+ for (unsigned i = 0; i < src->k.nr; i++) {
+ BUG_ON(src->k.data[i].nr_counters != dst->k.data[i].nr_counters);
+ BUG_ON(!bpos_eq(dst->k.data[i].pos, src->k.data[i].pos));
+
+ struct disk_accounting_pos acc_k;
+ bpos_to_disk_accounting_pos(&acc_k, src->k.data[i].pos);
+
+ unsigned nr = src->k.data[i].nr_counters;
+ u64 src_v[BCH_ACCOUNTING_MAX_COUNTERS];
+ u64 dst_v[BCH_ACCOUNTING_MAX_COUNTERS];
+
+ bch2_accounting_mem_read_counters(c, i, dst_v, nr, false);
+ bch2_accounting_mem_read_counters(c, i, src_v, nr, true);
+
+ if (memcmp(dst_v, src_v, nr * sizeof(u64))) {
+ printbuf_reset(&buf);
+ prt_str(&buf, "accounting mismatch for ");
+ bch2_accounting_key_to_text(&buf, &acc_k);
+
+ prt_str(&buf, ": got");
+ for (unsigned j = 0; j < nr; j++)
+ prt_printf(&buf, " %llu", dst_v[j]);
+
+ prt_str(&buf, " should be");
+ for (unsigned j = 0; j < nr; j++)
+ prt_printf(&buf, " %llu", src_v[j]);
+
+ for (unsigned j = 0; j < nr; j++)
+ src_v[j] -= dst_v[j];
+
+ if (fsck_err(c, accounting_mismatch, "%s", buf.buf)) {
+ ret = commit_do(trans, NULL, NULL, 0,
+ bch2_disk_accounting_mod(trans, &acc_k, src_v, nr, false));
+ if (ret)
+ goto err;
+
+ if (!test_bit(BCH_FS_may_go_rw, &c->flags)) {
+ memset(&trans->fs_usage_delta, 0, sizeof(trans->fs_usage_delta));
+ struct { __BKEY_PADDED(k, BCH_ACCOUNTING_MAX_COUNTERS); } k_i;
+
+ accounting_key_init(&k_i.k, &acc_k, src_v, nr);
+ bch2_accounting_mem_mod_locked(trans, bkey_i_to_s_c_accounting(&k_i.k), false);
+
+ preempt_disable();
+ struct bch_fs_usage_base *dst = this_cpu_ptr(c->usage);
+ struct bch_fs_usage_base *src = &trans->fs_usage_delta;
+ acc_u64s((u64 *) dst, (u64 *) src, sizeof(*src) / sizeof(u64));
+ preempt_enable();
+ }
+ }
+ }
+ }
+err:
+fsck_err:
+ percpu_up_write(&c->mark_lock);
+ printbuf_exit(&buf);
+ bch2_trans_put(trans);
+ bch_err_fn(c, ret);
+ return ret;
+}
+
static int accounting_read_key(struct bch_fs *c, struct bkey_s_c k)
{
struct printbuf buf = PRINTBUF;
return 0;
percpu_down_read(&c->mark_lock);
- int ret = __bch2_accounting_mem_mod(c, bkey_s_c_to_accounting(k));
+ int ret = __bch2_accounting_mem_mod(c, bkey_s_c_to_accounting(k), false);
percpu_up_read(&c->mark_lock);
if (bch2_accounting_key_is_zero(bkey_s_c_to_accounting(k)) &&
*/
int bch2_accounting_read(struct bch_fs *c)
{
- struct bch_accounting_mem *acc = &c->accounting;
+ struct bch_accounting_mem *acc = &c->accounting[0];
int ret = bch2_trans_run(c,
for_each_btree_key(trans, iter,
bpos_to_disk_accounting_pos(&k, acc->k.data[i].pos);
u64 v[BCH_ACCOUNTING_MAX_COUNTERS];
- bch2_accounting_mem_read_counters(c, i, v, ARRAY_SIZE(v));
+ bch2_accounting_mem_read_counters(c, i, v, ARRAY_SIZE(v), false);
switch (k.type) {
case BCH_DISK_ACCOUNTING_persistent_reserved:
bch2_btree_write_buffer_flush_sync(trans));
}
-int bch2_dev_usage_init(struct bch_dev *ca)
+int bch2_dev_usage_init(struct bch_dev *ca, bool gc)
{
+ struct bch_fs *c = ca->fs;
struct disk_accounting_pos acc = {
.type = BCH_DISK_ACCOUNTING_dev_data_type,
.dev_data_type.dev = ca->dev_idx,
};
u64 v[3] = { ca->mi.nbuckets - ca->mi.first_bucket, 0, 0 };
- return bch2_trans_do(ca->fs, NULL, NULL, 0,
- bch2_disk_accounting_mod(trans, &acc, v, ARRAY_SIZE(v)));
+ int ret = bch2_trans_do(c, NULL, NULL, 0,
+ bch2_disk_accounting_mod(trans, &acc, v, ARRAY_SIZE(v), gc));
+ bch_err_fn(c, ret);
+ return ret;
}
-void bch2_fs_accounting_exit(struct bch_fs *c)
+void bch2_accounting_free(struct bch_accounting_mem *acc)
{
- struct bch_accounting_mem *acc = &c->accounting;
-
darray_exit(&acc->k);
free_percpu(acc->v);
+ acc->v = NULL;
+ acc->nr_counters = 0;
+}
+
+void bch2_fs_accounting_exit(struct bch_fs *c)
+{
+ bch2_accounting_free(&c->accounting[0]);
}
return ret;
}
-int bch2_disk_accounting_mod(struct btree_trans *,
- struct disk_accounting_pos *,
- s64 *, unsigned);
-int bch2_mod_dev_cached_sectors(struct btree_trans *trans,
- unsigned dev, s64 sectors);
+int bch2_disk_accounting_mod(struct btree_trans *, struct disk_accounting_pos *,
+ s64 *, unsigned, bool);
+int bch2_mod_dev_cached_sectors(struct btree_trans *, unsigned, s64, bool);
int bch2_accounting_invalid(struct bch_fs *, struct bkey_s_c,
enum bch_validate_flags, struct printbuf *);
return bpos_cmp(*l, *r);
}
-int bch2_accounting_mem_mod_slowpath(struct bch_fs *, struct bkey_s_c_accounting);
+int bch2_accounting_mem_mod_slowpath(struct bch_fs *, struct bkey_s_c_accounting, bool);
-static inline int __bch2_accounting_mem_mod(struct bch_fs *c, struct bkey_s_c_accounting a)
+static inline int __bch2_accounting_mem_mod(struct bch_fs *c, struct bkey_s_c_accounting a, bool gc)
{
- struct bch_accounting_mem *acc = &c->accounting;
+ struct bch_accounting_mem *acc = &c->accounting[gc];
unsigned idx = eytzinger0_find(acc->k.data, acc->k.nr, sizeof(acc->k.data[0]),
accounting_pos_cmp, &a.k->p);
if (unlikely(idx >= acc->k.nr))
- return bch2_accounting_mem_mod_slowpath(c, a);
+ return bch2_accounting_mem_mod_slowpath(c, a, gc);
unsigned offset = acc->k.data[idx].offset;
* Update in memory counters so they match the btree update we're doing; called
* from transaction commit path
*/
-static inline int bch2_accounting_mem_mod(struct btree_trans *trans, struct
- bkey_s_c_accounting a)
+static inline int bch2_accounting_mem_mod_locked(struct btree_trans *trans, struct bkey_s_c_accounting a, bool gc)
{
struct bch_fs *c = trans->c;
- struct disk_accounting_pos acc_k;
- bpos_to_disk_accounting_pos(&acc_k, a.k->p);
- switch (acc_k.type) {
- case BCH_DISK_ACCOUNTING_persistent_reserved:
- trans->fs_usage_delta.reserved += acc_k.persistent_reserved.nr_replicas * a.v->d[0];
- break;
- case BCH_DISK_ACCOUNTING_replicas:
- fs_usage_data_type_to_base(&trans->fs_usage_delta, acc_k.replicas.data_type, a.v->d[0]);
- break;
- case BCH_DISK_ACCOUNTING_dev_data_type:
- rcu_read_lock();
- struct bch_dev *ca = bch2_dev_rcu(c, acc_k.dev_data_type.dev);
- if (ca) {
- this_cpu_add(ca->usage->d[acc_k.dev_data_type.data_type].buckets, a.v->d[0]);
- this_cpu_add(ca->usage->d[acc_k.dev_data_type.data_type].sectors, a.v->d[1]);
- this_cpu_add(ca->usage->d[acc_k.dev_data_type.data_type].fragmented, a.v->d[2]);
+ if (!gc) {
+ struct disk_accounting_pos acc_k;
+ bpos_to_disk_accounting_pos(&acc_k, a.k->p);
+
+ switch (acc_k.type) {
+ case BCH_DISK_ACCOUNTING_persistent_reserved:
+ trans->fs_usage_delta.reserved += acc_k.persistent_reserved.nr_replicas * a.v->d[0];
+ break;
+ case BCH_DISK_ACCOUNTING_replicas:
+ fs_usage_data_type_to_base(&trans->fs_usage_delta, acc_k.replicas.data_type, a.v->d[0]);
+ break;
+ case BCH_DISK_ACCOUNTING_dev_data_type:
+ rcu_read_lock();
+ struct bch_dev *ca = bch2_dev_rcu(c, acc_k.dev_data_type.dev);
+ if (ca) {
+ this_cpu_add(ca->usage->d[acc_k.dev_data_type.data_type].buckets, a.v->d[0]);
+ this_cpu_add(ca->usage->d[acc_k.dev_data_type.data_type].sectors, a.v->d[1]);
+ this_cpu_add(ca->usage->d[acc_k.dev_data_type.data_type].fragmented, a.v->d[2]);
+ }
+ rcu_read_unlock();
+ break;
}
- rcu_read_unlock();
- break;
}
- return __bch2_accounting_mem_mod(c, a);
+
+ return __bch2_accounting_mem_mod(c, a, gc);
+}
+
+static inline int bch2_accounting_mem_add(struct btree_trans *trans, struct bkey_s_c_accounting a, bool gc)
+{
+ percpu_down_read(&trans->c->mark_lock);
+ int ret = bch2_accounting_mem_mod_locked(trans, a, gc);
+ percpu_up_read(&trans->c->mark_lock);
+ return ret;
}
-static inline void bch2_accounting_mem_read_counters(struct bch_fs *c,
- unsigned idx,
- u64 *v, unsigned nr)
+static inline void bch2_accounting_mem_read_counters(struct bch_fs *c, unsigned idx,
+ u64 *v, unsigned nr, bool gc)
{
memset(v, 0, sizeof(*v) * nr);
- struct bch_accounting_mem *acc = &c->accounting;
+ struct bch_accounting_mem *acc = &c->accounting[0];
if (unlikely(idx >= acc->k.nr))
return;
static inline void bch2_accounting_mem_read(struct bch_fs *c, struct bpos p,
u64 *v, unsigned nr)
{
- struct bch_accounting_mem *acc = &c->accounting;
+ struct bch_accounting_mem *acc = &c->accounting[0];
unsigned idx = eytzinger0_find(acc->k.data, acc->k.nr, sizeof(acc->k.data[0]),
accounting_pos_cmp, &p);
- bch2_accounting_mem_read_counters(c, idx, v, nr);
+ bch2_accounting_mem_read_counters(c, idx, v, nr, false);
}
int bch2_fs_replicas_usage_read(struct bch_fs *, darray_char *);
+int bch2_accounting_gc_done(struct bch_fs *);
+
int bch2_accounting_read(struct bch_fs *);
int bch2_dev_usage_remove(struct bch_fs *, unsigned);
-int bch2_dev_usage_init(struct bch_dev *);
+int bch2_dev_usage_init(struct bch_dev *, bool);
+
+void bch2_accounting_free(struct bch_accounting_mem *);
void bch2_fs_accounting_exit(struct bch_fs *);
#endif /* _BCACHEFS_DISK_ACCOUNTING_H */
bucket_lock(g);
struct bch_alloc_v4 old = bucket_m_to_alloc(*g), new = old;
ret = __mark_stripe_bucket(trans, ca, s, ptr_idx, deleting, bucket, &new, flags);
- if (!ret) {
- alloc_to_bucket(g, new);
- bch2_dev_usage_update(c, ca, &old, &new);
- }
+ alloc_to_bucket(g, new);
bucket_unlock(g);
err_unlock:
percpu_up_read(&c->mark_lock);
+ if (!ret)
+ ret = bch2_alloc_key_to_dev_counters(trans, ca, &old, &new, flags);
}
err:
bch2_dev_put(ca);
if (unlikely(flags & BTREE_TRIGGER_check_repair))
return bch2_check_fix_ptrs(trans, btree, level, _new.s_c, flags);
- if (flags & BTREE_TRIGGER_transactional) {
+ BUG_ON(new_s && old_s &&
+ (new_s->nr_blocks != old_s->nr_blocks ||
+ new_s->nr_redundant != old_s->nr_redundant));
+
+
+ if (flags & (BTREE_TRIGGER_transactional|BTREE_TRIGGER_gc)) {
/*
* If the pointers aren't changing, we don't need to do anything:
*/
new_s->nr_blocks * sizeof(struct bch_extent_ptr)))
return 0;
- BUG_ON(new_s && old_s &&
- (new_s->nr_blocks != old_s->nr_blocks ||
- new_s->nr_redundant != old_s->nr_redundant));
+ struct gc_stripe *gc = NULL;
+ if (flags & BTREE_TRIGGER_gc) {
+ gc = genradix_ptr_alloc(&c->gc_stripes, idx, GFP_KERNEL);
+ if (!gc) {
+ bch_err(c, "error allocating memory for gc_stripes, idx %llu", idx);
+ return -BCH_ERR_ENOMEM_mark_stripe;
+ }
+
+ /*
+ * This will be wrong when we bring back runtime gc: we should
+ * be unmarking the old key and then marking the new key
+ *
+ * Also: when we bring back runtime gc, locking
+ */
+ gc->alive = true;
+ gc->sectors = le16_to_cpu(new_s->sectors);
+ gc->nr_blocks = new_s->nr_blocks;
+ gc->nr_redundant = new_s->nr_redundant;
+
+ for (unsigned i = 0; i < new_s->nr_blocks; i++)
+ gc->ptrs[i] = new_s->ptrs[i];
+
+ /*
+ * gc recalculates this field from stripe ptr
+ * references:
+ */
+ memset(gc->block_sectors, 0, sizeof(gc->block_sectors));
+ }
if (new_s) {
s64 sectors = (u64) le16_to_cpu(new_s->sectors) * new_s->nr_redundant;
.type = BCH_DISK_ACCOUNTING_replicas,
};
bch2_bkey_to_replicas(&acc.replicas, new);
- int ret = bch2_disk_accounting_mod(trans, &acc, §ors, 1);
+ int ret = bch2_disk_accounting_mod(trans, &acc, §ors, 1, gc);
if (ret)
return ret;
+
+ if (gc)
+ memcpy(&gc->r.e, &acc.replicas, replicas_entry_bytes(&acc.replicas));
}
if (old_s) {
.type = BCH_DISK_ACCOUNTING_replicas,
};
bch2_bkey_to_replicas(&acc.replicas, old);
- int ret = bch2_disk_accounting_mod(trans, &acc, §ors, 1);
+ int ret = bch2_disk_accounting_mod(trans, &acc, §ors, 1, gc);
if (ret)
return ret;
}
}
}
- if (flags & BTREE_TRIGGER_gc) {
- struct gc_stripe *m =
- genradix_ptr_alloc(&c->gc_stripes, idx, GFP_KERNEL);
-
- if (!m) {
- bch_err(c, "error allocating memory for gc_stripes, idx %llu",
- idx);
- return -BCH_ERR_ENOMEM_mark_stripe;
- }
- /*
- * This will be wrong when we bring back runtime gc: we should
- * be unmarking the old key and then marking the new key
- */
- m->alive = true;
- m->sectors = le16_to_cpu(new_s->sectors);
- m->nr_blocks = new_s->nr_blocks;
- m->nr_redundant = new_s->nr_redundant;
-
- for (unsigned i = 0; i < new_s->nr_blocks; i++)
- m->ptrs[i] = new_s->ptrs[i];
-
- bch2_bkey_to_replicas(&m->r.e, new);
-
- /*
- * gc recalculates this field from stripe ptr
- * references:
- */
- memset(m->block_sectors, 0, sizeof(m->block_sectors));
-
- int ret = mark_stripe_buckets(trans, old, new, flags);
- if (ret)
- return ret;
-
- ret = bch2_update_replicas(c, new, &m->r.e,
- ((s64) m->sectors * m->nr_redundant));
- if (ret) {
- struct printbuf buf = PRINTBUF;
-
- bch2_bkey_val_to_text(&buf, c, new);
- bch2_fs_fatal_error(c, ": no replicas entry for %s", buf.buf);
- printbuf_exit(&buf);
- return ret;
- }
- }
-
return 0;
}
struct bkey_s new,
enum btree_iter_update_trigger_flags flags)
{
- s64 nr = (s64) bkey_is_inode(new.k) - (s64) bkey_is_inode(old.k);
-
- if (flags & BTREE_TRIGGER_transactional) {
- if (nr) {
- struct disk_accounting_pos acc = {
- .type = BCH_DISK_ACCOUNTING_nr_inodes
- };
-
- int ret = bch2_disk_accounting_mod(trans, &acc, &nr, 1);
- if (ret)
- return ret;
- }
-
- bool old_deleted = bkey_is_deleted_inode(old);
- bool new_deleted = bkey_is_deleted_inode(new.s_c);
- if (old_deleted != new_deleted) {
- int ret = bch2_btree_bit_mod_buffered(trans, BTREE_ID_deleted_inodes,
- new.k->p, new_deleted);
- if (ret)
- return ret;
- }
- }
-
if ((flags & BTREE_TRIGGER_atomic) && (flags & BTREE_TRIGGER_insert)) {
BUG_ON(!trans->journal_res.seq);
-
bkey_s_to_inode_v3(new).v->bi_journal_seq = cpu_to_le64(trans->journal_res.seq);
}
- if (flags & BTREE_TRIGGER_gc) {
- struct bch_fs *c = trans->c;
+ s64 nr = bkey_is_inode(new.k) - bkey_is_inode(old.k);
+ if ((flags & (BTREE_TRIGGER_transactional|BTREE_TRIGGER_gc)) && nr) {
+ struct disk_accounting_pos acc = { .type = BCH_DISK_ACCOUNTING_nr_inodes };
+ int ret = bch2_disk_accounting_mod(trans, &acc, &nr, 1, flags & BTREE_TRIGGER_gc);
+ if (ret)
+ return ret;
+ }
- percpu_down_read(&c->mark_lock);
- this_cpu_add(c->usage_gc->b.nr_inodes, nr);
- percpu_up_read(&c->mark_lock);
+ int deleted_delta = (int) bkey_is_deleted_inode(new.s_c) -
+ (int) bkey_is_deleted_inode(old);
+ if ((flags & BTREE_TRIGGER_transactional) && deleted_delta) {
+ int ret = bch2_btree_bit_mod_buffered(trans, BTREE_ID_deleted_inodes,
+ new.k->p, deleted_delta > 0);
+ if (ret)
+ return ret;
}
return 0;
goto err;
for_each_member_device(c, ca) {
- ret = bch2_dev_usage_init(ca);
- bch_err_msg(c, ret, "initializing device usage");
+ ret = bch2_dev_usage_init(ca, false);
if (ret) {
bch2_dev_put(ca);
goto err;
return ret;
}
-static void __replicas_table_update(struct bch_fs_usage *dst,
- struct bch_replicas_cpu *dst_r,
- struct bch_fs_usage *src,
- struct bch_replicas_cpu *src_r)
-{
- int src_idx, dst_idx;
-
- *dst = *src;
-
- for (src_idx = 0; src_idx < src_r->nr; src_idx++) {
- if (!src->replicas[src_idx])
- continue;
-
- dst_idx = __replicas_entry_idx(dst_r,
- cpu_replicas_entry(src_r, src_idx));
- BUG_ON(dst_idx < 0);
-
- dst->replicas[dst_idx] = src->replicas[src_idx];
- }
-}
-
-static void __replicas_table_update_pcpu(struct bch_fs_usage __percpu *dst_p,
- struct bch_replicas_cpu *dst_r,
- struct bch_fs_usage __percpu *src_p,
- struct bch_replicas_cpu *src_r)
-{
- unsigned src_nr = sizeof(struct bch_fs_usage) / sizeof(u64) + src_r->nr;
- struct bch_fs_usage *dst, *src = (void *)
- bch2_acc_percpu_u64s((u64 __percpu *) src_p, src_nr);
-
- preempt_disable();
- dst = this_cpu_ptr(dst_p);
- preempt_enable();
-
- __replicas_table_update(dst, dst_r, src, src_r);
-}
-
-/*
- * Resize filesystem accounting:
- */
-static int replicas_table_update(struct bch_fs *c,
- struct bch_replicas_cpu *new_r)
-{
- struct bch_fs_usage __percpu *new_gc = NULL;
- unsigned bytes = sizeof(struct bch_fs_usage) +
- sizeof(u64) * new_r->nr;
- int ret = 0;
-
- if ((c->usage_gc &&
- !(new_gc = __alloc_percpu_gfp(bytes, sizeof(u64), GFP_KERNEL))))
- goto err;
-
- if (c->usage_gc)
- __replicas_table_update_pcpu(new_gc, new_r,
- c->usage_gc, &c->replicas);
-
- swap(c->usage_gc, new_gc);
- swap(c->replicas, *new_r);
-out:
- free_percpu(new_gc);
- return ret;
-err:
- bch_err(c, "error updating replicas table: memory allocation failure");
- ret = -BCH_ERR_ENOMEM_replicas_table;
- goto out;
-}
-
noinline
static int bch2_mark_replicas_slowpath(struct bch_fs *c,
struct bch_replicas_entry_v1 *new_entry)
/* don't update in memory replicas until changes are persistent */
percpu_down_write(&c->mark_lock);
if (new_r.entries)
- ret = replicas_table_update(c, &new_r);
+ swap(c->replicas, new_r);
if (new_gc.entries)
swap(new_gc, c->replicas_gc);
percpu_up_write(&c->mark_lock);
percpu_down_write(&c->mark_lock);
ret = ret ?:
- bch2_cpu_replicas_to_sb_replicas(c, &c->replicas_gc) ?:
- replicas_table_update(c, &c->replicas_gc);
+ bch2_cpu_replicas_to_sb_replicas(c, &c->replicas_gc);
+ if (!ret)
+ swap(c->replicas, c->replicas_gc);
kfree(c->replicas_gc.entries);
c->replicas_gc.entries = NULL;
bch2_cpu_replicas_sort(&new_r);
percpu_down_write(&c->mark_lock);
-
- ret = replicas_table_update(c, &new_r);
+ swap(c->replicas, new_r);
percpu_up_write(&c->mark_lock);
kfree(new_r.entries);
unsigned bch2_dev_has_data(struct bch_fs *c, struct bch_dev *ca)
{
- unsigned ret;
-
mutex_lock(&c->sb_lock);
- ret = bch2_sb_dev_has_data(c->disk_sb.sb, ca->dev_idx);
+ unsigned ret = bch2_sb_dev_has_data(c->disk_sb.sb, ca->dev_idx);
mutex_unlock(&c->sb_lock);
return ret;
kfree(c->replicas.entries);
kfree(c->replicas_gc.entries);
}
-
-int bch2_fs_replicas_init(struct bch_fs *c)
-{
- return replicas_table_update(c, &c->replicas);
-}
extern const struct bch_sb_field_ops bch_sb_field_ops_replicas_v0;
void bch2_fs_replicas_exit(struct bch_fs *);
-int bch2_fs_replicas_init(struct bch_fs *);
#endif /* _BCACHEFS_REPLICAS_H */
bch2_io_clock_init(&c->io_clock[READ]) ?:
bch2_io_clock_init(&c->io_clock[WRITE]) ?:
bch2_fs_journal_init(&c->journal) ?:
- bch2_fs_replicas_init(c) ?:
bch2_fs_btree_iter_init(c) ?:
bch2_fs_btree_cache_init(c) ?:
bch2_fs_btree_key_cache_init(&c->btree_key_cache) ?:
bch2_write_super(c);
mutex_unlock(&c->sb_lock);
- ret = bch2_dev_usage_init(ca);
+ ret = bch2_dev_usage_init(ca, false);
if (ret)
goto err_late;
};
u64 v[3] = { nbuckets - old_nbuckets, 0, 0 };
- ret = bch2_dev_freespace_init(c, ca, old_nbuckets, nbuckets) ?:
- bch2_trans_do(ca->fs, NULL, NULL, 0,
- bch2_disk_accounting_mod(trans, &acc, v, ARRAY_SIZE(v)));
+ ret = bch2_trans_do(ca->fs, NULL, NULL, 0,
+ bch2_disk_accounting_mod(trans, &acc, v, ARRAY_SIZE(v), false)) ?:
+ bch2_dev_freespace_init(c, ca, old_nbuckets, nbuckets);
if (ret)
goto err;
}
static inline void acc_u64s(u64 *acc, const u64 *src, unsigned nr)
{
- unsigned i;
-
- for (i = 0; i < nr; i++)
+ for (unsigned i = 0; i < nr; i++)
acc[i] += src[i];
}
projects / nvme.git / commitdiff