#include "bcachefs.h"
#include "alloc_background.h"
+#include "backpointers.h"
#include "bset.h"
#include "btree_gc.h"
#include "btree_update.h"
: ca->usage[journal_seq & JOURNAL_BUF_MASK]);
}
-struct bch_dev_usage bch2_dev_usage_read(struct bch_dev *ca)
+void bch2_dev_usage_read_fast(struct bch_dev *ca, struct bch_dev_usage *usage)
{
struct bch_fs *c = ca->fs;
- struct bch_dev_usage ret;
unsigned seq, i, u64s = dev_usage_u64s();
do {
seq = read_seqcount_begin(&c->usage_lock);
- memcpy(&ret, ca->usage_base, u64s * sizeof(u64));
+ memcpy(usage, ca->usage_base, u64s * sizeof(u64));
for (i = 0; i < ARRAY_SIZE(ca->usage); i++)
- acc_u64s_percpu((u64 *) &ret, (u64 __percpu *) ca->usage[i], u64s);
+ acc_u64s_percpu((u64 *) usage, (u64 __percpu *) ca->usage[i], u64s);
} while (read_seqcount_retry(&c->usage_lock, seq));
-
- return ret;
}
static inline struct bch_fs_usage *fs_usage_ptr(struct bch_fs *c,
struct bch_fs_usage_online *bch2_fs_usage_read(struct bch_fs *c)
{
struct bch_fs_usage_online *ret;
- unsigned seq, i, u64s;
+ unsigned seq, i, v, u64s = fs_usage_u64s(c) + 1;
+retry:
+ ret = kmalloc(u64s * sizeof(u64), GFP_NOFS);
+ if (unlikely(!ret))
+ return NULL;
percpu_down_read(&c->mark_lock);
- ret = kmalloc(sizeof(struct bch_fs_usage_online) +
- sizeof(u64) * c->replicas.nr, GFP_NOFS);
- if (unlikely(!ret)) {
+ v = fs_usage_u64s(c) + 1;
+ if (unlikely(u64s != v)) {
+ u64s = v;
percpu_up_read(&c->mark_lock);
- return NULL;
+ kfree(ret);
+ goto retry;
}
ret->online_reserved = percpu_u64_get(c->online_reserved);
- u64s = fs_usage_u64s(c);
do {
seq = read_seqcount_begin(&c->usage_lock);
- memcpy(&ret->u, c->usage_base, u64s * sizeof(u64));
+ unsafe_memcpy(&ret->u, c->usage_base, u64s * sizeof(u64),
+ "embedded variable length struct");
for (i = 0; i < ARRAY_SIZE(c->usage); i++)
acc_u64s_percpu((u64 *) &ret->u, (u64 __percpu *) c->usage[i], u64s);
} while (read_seqcount_retry(&c->usage_lock, seq));
{
unsigned i;
- pr_buf(out, "capacity:\t\t\t%llu\n", c->capacity);
+ prt_printf(out, "capacity:\t\t\t%llu\n", c->capacity);
- pr_buf(out, "hidden:\t\t\t\t%llu\n",
+ prt_printf(out, "hidden:\t\t\t\t%llu\n",
fs_usage->u.hidden);
- pr_buf(out, "data:\t\t\t\t%llu\n",
+ prt_printf(out, "data:\t\t\t\t%llu\n",
fs_usage->u.data);
- pr_buf(out, "cached:\t\t\t\t%llu\n",
+ prt_printf(out, "cached:\t\t\t\t%llu\n",
fs_usage->u.cached);
- pr_buf(out, "reserved:\t\t\t%llu\n",
+ prt_printf(out, "reserved:\t\t\t%llu\n",
fs_usage->u.reserved);
- pr_buf(out, "nr_inodes:\t\t\t%llu\n",
+ prt_printf(out, "nr_inodes:\t\t\t%llu\n",
fs_usage->u.nr_inodes);
- pr_buf(out, "online reserved:\t\t%llu\n",
+ prt_printf(out, "online reserved:\t\t%llu\n",
fs_usage->online_reserved);
for (i = 0;
i < ARRAY_SIZE(fs_usage->u.persistent_reserved);
i++) {
- pr_buf(out, "%u replicas:\n", i + 1);
- pr_buf(out, "\treserved:\t\t%llu\n",
+ prt_printf(out, "%u replicas:\n", i + 1);
+ prt_printf(out, "\treserved:\t\t%llu\n",
fs_usage->u.persistent_reserved[i]);
}
struct bch_replicas_entry *e =
cpu_replicas_entry(&c->replicas, i);
- pr_buf(out, "\t");
+ prt_printf(out, "\t");
bch2_replicas_entry_to_text(out, e);
- pr_buf(out, ":\t%llu\n", fs_usage->u.replicas[i]);
+ prt_printf(out, ":\t%llu\n", fs_usage->u.replicas[i]);
}
}
return ret;
}
-static inline int is_unavailable_bucket(struct bch_alloc_v4 a)
+void bch2_dev_usage_init(struct bch_dev *ca)
{
- return a.dirty_sectors || a.stripe;
+ ca->usage_base->d[BCH_DATA_free].buckets = ca->mi.nbuckets - ca->mi.first_bucket;
}
static inline int bucket_sectors_fragmented(struct bch_dev *ca,
: 0;
}
-static inline enum bch_data_type bucket_type(struct bch_alloc_v4 a)
-{
- return a.cached_sectors && !a.dirty_sectors
- ? BCH_DATA_cached
- : a.data_type;
-}
-
-static inline void account_bucket(struct bch_fs_usage *fs_usage,
- struct bch_dev_usage *dev_usage,
- enum bch_data_type type,
- int nr, s64 size)
-{
- if (type == BCH_DATA_sb || type == BCH_DATA_journal)
- fs_usage->hidden += size;
-
- dev_usage->d[type].buckets += nr;
-}
-
static void bch2_dev_usage_update(struct bch_fs *c, struct bch_dev *ca,
struct bch_alloc_v4 old,
struct bch_alloc_v4 new,
preempt_disable();
fs_usage = fs_usage_ptr(c, journal_seq, gc);
- u = dev_usage_ptr(ca, journal_seq, gc);
- if (bucket_type(old))
- account_bucket(fs_usage, u, bucket_type(old),
- -1, -ca->mi.bucket_size);
+ if (data_type_is_hidden(old.data_type))
+ fs_usage->hidden -= ca->mi.bucket_size;
+ if (data_type_is_hidden(new.data_type))
+ fs_usage->hidden += ca->mi.bucket_size;
- if (bucket_type(new))
- account_bucket(fs_usage, u, bucket_type(new),
- 1, ca->mi.bucket_size);
+ u = dev_usage_ptr(ca, journal_seq, gc);
- u->buckets_ec += (int) new.stripe - (int) old.stripe;
- u->buckets_unavailable +=
- is_unavailable_bucket(new) - is_unavailable_bucket(old);
+ u->d[old.data_type].buckets--;
+ u->d[new.data_type].buckets++;
+
+ u->buckets_ec -= (int) !!old.stripe;
+ u->buckets_ec += (int) !!new.stripe;
u->d[old.data_type].sectors -= old.dirty_sectors;
u->d[new.data_type].sectors += new.dirty_sectors;
- u->d[BCH_DATA_cached].sectors +=
- (int) new.cached_sectors - (int) old.cached_sectors;
+
+ u->d[BCH_DATA_cached].sectors += new.cached_sectors;
+ u->d[BCH_DATA_cached].sectors -= old.cached_sectors;
u->d[old.data_type].fragmented -= bucket_sectors_fragmented(ca, old);
u->d[new.data_type].fragmented += bucket_sectors_fragmented(ca, new);
idx = bch2_replicas_entry_idx(c, r);
if (idx < 0 &&
- (test_bit(BCH_FS_REBUILD_REPLICAS, &c->flags) ||
- fsck_err(c, "no replicas entry\n"
- " while marking %s",
- (bch2_bkey_val_to_text(&buf, c, k), buf.buf)))) {
+ fsck_err(c, "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);
n = (void *) d->d + d->used;
n->delta = sectors;
- memcpy(&n->r, r, replicas_entry_bytes(r));
+ memcpy((void *) n + offsetof(struct replicas_delta, r),
+ r, replicas_entry_bytes(r));
bch2_replicas_entry_sort(&n->r);
d->used += b;
}
}
int bch2_mark_alloc(struct btree_trans *trans,
+ enum btree_id btree, unsigned level,
struct bkey_s_c old, struct bkey_s_c new,
unsigned flags)
{
bool gc = flags & BTREE_TRIGGER_GC;
u64 journal_seq = trans->journal_res.seq;
+ u64 bucket_journal_seq;
struct bch_fs *c = trans->c;
- struct bch_alloc_v4 old_a, new_a;
- struct bch_dev *ca = bch_dev_bkey_exists(c, new.k->p.inode);
+ struct bch_alloc_v4 old_a_convert, new_a_convert;
+ const struct bch_alloc_v4 *old_a, *new_a;
+ struct bch_dev *ca;
int ret = 0;
- if (bch2_trans_inconsistent_on(new.k->p.offset < ca->mi.first_bucket ||
- new.k->p.offset >= ca->mi.nbuckets, trans,
- "alloc key outside range of device's buckets"))
- return -EIO;
-
/*
* alloc btree is read in by bch2_alloc_read, not gc:
*/
!(flags & BTREE_TRIGGER_BUCKET_INVALIDATE))
return 0;
- bch2_alloc_to_v4(old, &old_a);
- bch2_alloc_to_v4(new, &new_a);
+ if (bch2_trans_inconsistent_on(!bch2_dev_bucket_exists(c, new.k->p), trans,
+ "alloc key for invalid device or bucket"))
+ return -EIO;
+
+ ca = bch_dev_bkey_exists(c, new.k->p.inode);
+
+ old_a = bch2_alloc_to_v4(old, &old_a_convert);
+ new_a = bch2_alloc_to_v4(new, &new_a_convert);
+
+ bucket_journal_seq = new_a->journal_seq;
if ((flags & BTREE_TRIGGER_INSERT) &&
- !old_a.data_type != !new_a.data_type &&
+ data_type_is_empty(old_a->data_type) !=
+ data_type_is_empty(new_a->data_type) &&
new.k->type == KEY_TYPE_alloc_v4) {
struct bch_alloc_v4 *v = (struct bch_alloc_v4 *) new.v;
- BUG_ON(!journal_seq);
+ EBUG_ON(!journal_seq);
/*
* If the btree updates referring to a bucket weren't flushed
* before the bucket became empty again, then the we don't have
* to wait on a journal flush before we can reuse the bucket:
*/
- new_a.journal_seq = !new_a.data_type &&
+ v->journal_seq = bucket_journal_seq =
+ data_type_is_empty(new_a->data_type) &&
(journal_seq == v->journal_seq ||
bch2_journal_noflush_seq(&c->journal, v->journal_seq))
? 0 : journal_seq;
- v->journal_seq = new_a.journal_seq;
}
- if (old_a.data_type && !new_a.data_type && new_a.journal_seq) {
+ if (!data_type_is_empty(old_a->data_type) &&
+ data_type_is_empty(new_a->data_type) &&
+ bucket_journal_seq) {
ret = bch2_set_bucket_needs_journal_commit(&c->buckets_waiting_for_journal,
c->journal.flushed_seq_ondisk,
new.k->p.inode, new.k->p.offset,
- new_a.journal_seq);
+ bucket_journal_seq);
if (ret) {
bch2_fs_fatal_error(c,
"error setting bucket_needs_journal_commit: %i", ret);
}
}
- if (!new_a.data_type &&
- (!new_a.journal_seq || new_a.journal_seq < c->journal.flushed_seq_ondisk))
- closure_wake_up(&c->freelist_wait);
-
- if ((flags & BTREE_TRIGGER_INSERT) &&
- BCH_ALLOC_V4_NEED_DISCARD(&new_a) &&
- !new_a.journal_seq)
- bch2_do_discards(c);
-
- if (!old_a.data_type &&
- new_a.data_type &&
- should_invalidate_buckets(ca))
- bch2_do_invalidates(c);
-
- if (bucket_state(new_a) == BUCKET_need_gc_gens) {
- atomic_inc(&c->kick_gc);
- wake_up_process(c->gc_thread);
- }
-
percpu_down_read(&c->mark_lock);
- if (!gc && new_a.gen != old_a.gen)
- *bucket_gen(ca, new.k->p.offset) = new_a.gen;
+ if (!gc && new_a->gen != old_a->gen)
+ *bucket_gen(ca, new.k->p.offset) = new_a->gen;
- bch2_dev_usage_update(c, ca, old_a, new_a, journal_seq, gc);
+ bch2_dev_usage_update(c, ca, *old_a, *new_a, journal_seq, gc);
if (gc) {
struct bucket *g = gc_bucket(ca, new.k->p.offset);
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;
+ 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);
}
*/
if ((flags & BTREE_TRIGGER_BUCKET_INVALIDATE) &&
- old_a.cached_sectors) {
+ old_a->cached_sectors) {
ret = update_cached_sectors(c, new, ca->dev_idx,
- -old_a.cached_sectors,
+ -((s64) old_a->cached_sectors),
journal_seq, gc);
if (ret) {
- bch2_fs_fatal_error(c, "bch2_mark_alloc(): no replicas entry while updating cached sectors");
+ bch2_fs_fatal_error(c, "%s(): no replicas entry while updating cached sectors",
+ __func__);
return ret;
}
-
- trace_invalidate(ca, bucket_to_sector(ca, new.k->p.offset),
- old_a.cached_sectors);
}
+ if (new_a->data_type == BCH_DATA_free &&
+ (!new_a->journal_seq || new_a->journal_seq < c->journal.flushed_seq_ondisk))
+ closure_wake_up(&c->freelist_wait);
+
+ if (new_a->data_type == BCH_DATA_need_discard &&
+ (!bucket_journal_seq || bucket_journal_seq < c->journal.flushed_seq_ondisk))
+ bch2_do_discards(c);
+
+ if (old_a->data_type != BCH_DATA_cached &&
+ new_a->data_type == BCH_DATA_cached &&
+ should_invalidate_buckets(ca, bch2_dev_usage_read(ca)))
+ bch2_do_invalidates(c);
+
+ if (new_a->data_type == BCH_DATA_need_gc_gens)
+ bch2_do_gc_gens(c);
+
return 0;
}
-void bch2_mark_metadata_bucket(struct bch_fs *c, struct bch_dev *ca,
- size_t b, enum bch_data_type data_type,
- unsigned sectors, struct gc_pos pos,
- unsigned flags)
+int bch2_mark_metadata_bucket(struct bch_fs *c, struct bch_dev *ca,
+ size_t b, enum bch_data_type data_type,
+ unsigned sectors, struct gc_pos pos,
+ unsigned flags)
{
struct bucket old, new, *g;
- bool overflow;
+ int ret = 0;
BUG_ON(!(flags & BTREE_TRIGGER_GC));
BUG_ON(data_type != BCH_DATA_sb &&
* Backup superblock might be past the end of our normal usable space:
*/
if (b >= ca->mi.nbuckets)
- return;
+ return 0;
percpu_down_read(&c->mark_lock);
g = gc_bucket(ca, b);
bucket_lock(g);
old = *g;
+ if (bch2_fs_inconsistent_on(g->data_type &&
+ g->data_type != data_type, c,
+ "different types of data in same bucket: %s, %s",
+ bch2_data_types[g->data_type],
+ bch2_data_types[data_type])) {
+ ret = -EIO;
+ goto err;
+ }
+
+ if (bch2_fs_inconsistent_on((u64) g->dirty_sectors + sectors > ca->mi.bucket_size, c,
+ "bucket %u:%zu gen %u data type %s sector count overflow: %u + %u > bucket size",
+ ca->dev_idx, b, g->gen,
+ bch2_data_types[g->data_type ?: data_type],
+ g->dirty_sectors, sectors)) {
+ ret = -EIO;
+ goto err;
+ }
+
+
g->data_type = data_type;
g->dirty_sectors += sectors;
- overflow = g->dirty_sectors < sectors;
-
new = *g;
+err:
bucket_unlock(g);
-
- bch2_fs_inconsistent_on(old.data_type &&
- old.data_type != data_type, c,
- "different types of data in same bucket: %s, %s",
- bch2_data_types[old.data_type],
- bch2_data_types[data_type]);
-
- bch2_fs_inconsistent_on(overflow, c,
- "bucket %u:%zu gen %u data type %s sector count overflow: %u + %u > U16_MAX",
- ca->dev_idx, b, new.gen,
- bch2_data_types[old.data_type ?: data_type],
- old.dirty_sectors, sectors);
-
- bch2_dev_usage_update_m(c, ca, old, new, 0, true);
+ if (!ret)
+ bch2_dev_usage_update_m(c, ca, old, new, 0, true);
percpu_up_read(&c->mark_lock);
+ return ret;
}
-static s64 ptr_disk_sectors(s64 sectors, struct extent_ptr_decoded p)
-{
- EBUG_ON(sectors < 0);
-
- return p.crc.compression_type &&
- p.crc.compression_type != BCH_COMPRESSION_TYPE_incompressible
- ? DIV_ROUND_UP_ULL(sectors * p.crc.compressed_size,
- p.crc.uncompressed_size)
- : sectors;
-}
-
-static int check_bucket_ref(struct bch_fs *c,
+static int check_bucket_ref(struct btree_trans *trans,
struct bkey_s_c k,
const struct bch_extent_ptr *ptr,
s64 sectors, enum bch_data_type ptr_data_type,
u8 b_gen, u8 bucket_data_type,
u32 dirty_sectors, u32 cached_sectors)
{
+ struct bch_fs *c = trans->c;
struct bch_dev *ca = bch_dev_bkey_exists(c, ptr->dev);
size_t bucket_nr = PTR_BUCKET_NR(ca, ptr);
u16 bucket_sectors = !ptr->cached
struct printbuf buf = PRINTBUF;
int ret = 0;
+ if (bucket_data_type == BCH_DATA_cached)
+ bucket_data_type = BCH_DATA_user;
+
+ if ((bucket_data_type == BCH_DATA_stripe && ptr_data_type == BCH_DATA_user) ||
+ (bucket_data_type == BCH_DATA_user && ptr_data_type == BCH_DATA_stripe))
+ bucket_data_type = ptr_data_type = BCH_DATA_stripe;
+
if (gen_after(ptr->gen, b_gen)) {
bch2_fsck_err(c, FSCK_CAN_IGNORE|FSCK_NEED_FSCK,
"bucket %u:%zu gen %u data type %s: ptr gen %u newer than bucket gen\n"
if (b_gen != ptr->gen) {
ret = 1;
- goto err;
+ goto out;
}
- if (bucket_data_type && ptr_data_type &&
+ if (!data_type_is_empty(bucket_data_type) &&
+ ptr_data_type &&
bucket_data_type != ptr_data_type) {
bch2_fsck_err(c, FSCK_CAN_IGNORE|FSCK_NEED_FSCK,
"bucket %u:%zu gen %u different types of data in same bucket: %s, %s\n"
ret = -EIO;
goto err;
}
-err:
+out:
printbuf_exit(&buf);
return ret;
+err:
+ bch2_dump_trans_updates(trans);
+ goto out;
}
static int mark_stripe_bucket(struct btree_trans *trans,
const struct bch_stripe *s = bkey_s_c_to_stripe(k).v;
unsigned nr_data = s->nr_blocks - s->nr_redundant;
bool parity = ptr_idx >= nr_data;
- enum bch_data_type data_type = parity ? BCH_DATA_parity : 0;
+ enum bch_data_type data_type = parity ? BCH_DATA_parity : BCH_DATA_stripe;
s64 sectors = parity ? le16_to_cpu(s->sectors) : 0;
const struct bch_extent_ptr *ptr = s->ptrs + ptr_idx;
struct bch_dev *ca = bch_dev_bkey_exists(c, ptr->dev);
bucket_lock(g);
old = *g;
- ret = check_bucket_ref(c, k, ptr, sectors, data_type,
- new.gen, new.data_type,
- new.dirty_sectors, new.cached_sectors);
- if (ret) {
- bucket_unlock(g);
+ ret = check_bucket_ref(trans, k, ptr, sectors, data_type,
+ g->gen, g->data_type,
+ g->dirty_sectors, g->cached_sectors);
+ if (ret)
goto err;
- }
- new.dirty_sectors += sectors;
- if (data_type)
- new.data_type = data_type;
+ g->data_type = data_type;
+ g->dirty_sectors += sectors;
g->stripe = k.k->p.offset;
g->stripe_redundancy = s->nr_redundant;
-
new = *g;
- bucket_unlock(g);
-
- bch2_dev_usage_update_m(c, ca, old, new, journal_seq, true);
err:
+ bucket_unlock(g);
+ if (!ret)
+ bch2_dev_usage_update_m(c, ca, old, new, journal_seq, true);
percpu_up_read(&c->mark_lock);
printbuf_exit(&buf);
return ret;
u32 *dst_sectors = !ptr->cached
? dirty_sectors
: cached_sectors;
- int ret = check_bucket_ref(trans->c, k, ptr, sectors, ptr_data_type,
+ int ret = check_bucket_ref(trans, k, ptr, sectors, ptr_data_type,
bucket_gen, *bucket_data_type,
*dirty_sectors, *cached_sectors);
}
static int bch2_mark_pointer(struct btree_trans *trans,
+ enum btree_id btree_id, unsigned level,
struct bkey_s_c k,
struct extent_ptr_decoded p,
- s64 sectors, enum bch_data_type data_type,
+ s64 sectors,
unsigned flags)
{
u64 journal_seq = trans->journal_res.seq;
struct bch_fs *c = trans->c;
struct bch_dev *ca = bch_dev_bkey_exists(c, p.ptr.dev);
struct bucket old, new, *g;
+ enum bch_data_type data_type = bkey_ptr_data_type(btree_id, level, k, p);
u8 bucket_data_type;
int ret = 0;
percpu_down_read(&c->mark_lock);
g = PTR_GC_BUCKET(ca, &p.ptr);
-
bucket_lock(g);
old = *g;
bucket_data_type = g->data_type;
-
ret = __mark_pointer(trans, k, &p.ptr, sectors,
data_type, g->gen,
&bucket_data_type,
&g->dirty_sectors,
&g->cached_sectors);
- if (ret) {
- bucket_unlock(g);
- goto err;
- }
-
- g->data_type = bucket_data_type;
+ if (!ret)
+ g->data_type = bucket_data_type;
new = *g;
bucket_unlock(g);
-
- bch2_dev_usage_update_m(c, ca, old, new, journal_seq, true);
-err:
+ if (!ret)
+ bch2_dev_usage_update_m(c, ca, old, new, journal_seq, true);
percpu_up_read(&c->mark_lock);
return ret;
if (!m) {
bch_err(c, "error allocating memory for gc_stripes, idx %llu",
(u64) p.idx);
- return -ENOMEM;
+ return -BCH_ERR_ENOMEM_mark_stripe_ptr;
}
- spin_lock(&c->ec_stripes_heap_lock);
+ mutex_lock(&c->ec_stripes_heap_lock);
if (!m || !m->alive) {
- spin_unlock(&c->ec_stripes_heap_lock);
+ mutex_unlock(&c->ec_stripes_heap_lock);
bch_err_ratelimited(c, "pointer to nonexistent stripe %llu",
(u64) p.idx);
bch2_inconsistent_error(c);
m->block_sectors[p.block] += sectors;
r = m->r;
- spin_unlock(&c->ec_stripes_heap_lock);
+ mutex_unlock(&c->ec_stripes_heap_lock);
r.e.data_type = data_type;
update_replicas(c, k, &r.e, sectors, trans->journal_res.seq, true);
}
int bch2_mark_extent(struct btree_trans *trans,
+ enum btree_id btree_id, unsigned level,
struct bkey_s_c old, struct bkey_s_c new,
unsigned flags)
{
u64 journal_seq = trans->journal_res.seq;
struct bch_fs *c = trans->c;
- struct bkey_s_c k = flags & BTREE_TRIGGER_OVERWRITE ? old: new;
+ struct bkey_s_c k = flags & BTREE_TRIGGER_OVERWRITE ? old : new;
struct bkey_ptrs_c ptrs = bch2_bkey_ptrs_c(k);
const union bch_extent_entry *entry;
struct extent_ptr_decoded p;
if (flags & BTREE_TRIGGER_OVERWRITE)
disk_sectors = -disk_sectors;
- ret = bch2_mark_pointer(trans, k, p, disk_sectors,
- data_type, flags);
+ ret = bch2_mark_pointer(trans, btree_id, level, k, p, disk_sectors, flags);
if (ret < 0)
return ret;
ret = update_cached_sectors(c, k, p.ptr.dev,
disk_sectors, journal_seq, true);
if (ret) {
- bch2_fs_fatal_error(c, "bch2_mark_extent(): no replicas entry while updating cached sectors");
+ bch2_fs_fatal_error(c, "%s(): no replicas entry while updating cached sectors",
+ __func__);
return ret;
}
}
struct printbuf buf = PRINTBUF;
bch2_bkey_val_to_text(&buf, c, k);
- bch2_fs_fatal_error(c, "no replicas entry for %s", buf.buf);
+ bch2_fs_fatal_error(c, "%s(): no replicas entry for %s", __func__, buf.buf);
printbuf_exit(&buf);
return ret;
}
}
int bch2_mark_stripe(struct btree_trans *trans,
+ enum btree_id btree_id, unsigned level,
struct bkey_s_c old, struct bkey_s_c new,
unsigned flags)
{
if (!gc) {
struct stripe *m = genradix_ptr(&c->stripes, idx);
- if (!m || (old_s && !m->alive)) {
+ if (!m) {
struct printbuf buf1 = PRINTBUF;
struct printbuf buf2 = PRINTBUF;
}
if (!new_s) {
- spin_lock(&c->ec_stripes_heap_lock);
bch2_stripes_heap_del(c, m, idx);
- spin_unlock(&c->ec_stripes_heap_lock);
memset(m, 0, sizeof(*m));
} else {
- m->alive = true;
m->sectors = le16_to_cpu(new_s->sectors);
m->algorithm = new_s->algorithm;
m->nr_blocks = new_s->nr_blocks;
for (i = 0; i < new_s->nr_blocks; i++)
m->blocks_nonempty += !!stripe_blockcount_get(new_s, i);
- spin_lock(&c->ec_stripes_heap_lock);
- bch2_stripes_heap_update(c, m, idx);
- spin_unlock(&c->ec_stripes_heap_lock);
+ if (!old_s)
+ bch2_stripes_heap_insert(c, m, idx);
+ else
+ bch2_stripes_heap_update(c, m, idx);
}
} else {
struct gc_stripe *m =
if (!m) {
bch_err(c, "error allocating memory for gc_stripes, idx %llu",
idx);
- return -ENOMEM;
+ return -BCH_ERR_ENOMEM_mark_stripe;
}
/*
* This will be wrong when we bring back runtime gc: we should
}
int bch2_mark_inode(struct btree_trans *trans,
+ enum btree_id btree_id, unsigned level,
struct bkey_s_c old, struct bkey_s_c new,
unsigned flags)
{
u64 journal_seq = trans->journal_res.seq;
if (flags & BTREE_TRIGGER_INSERT) {
- struct bch_inode_v2 *v = (struct bch_inode_v2 *) new.v;
+ struct bch_inode_v3 *v = (struct bch_inode_v3 *) new.v;
BUG_ON(!journal_seq);
- BUG_ON(new.k->type != KEY_TYPE_inode_v2);
+ BUG_ON(new.k->type != KEY_TYPE_inode_v3);
v->bi_journal_seq = cpu_to_le64(journal_seq);
}
}
int bch2_mark_reservation(struct btree_trans *trans,
+ enum btree_id btree_id, unsigned level,
struct bkey_s_c old, struct bkey_s_c new,
unsigned flags)
{
struct bch_fs *c = trans->c;
- struct bkey_s_c k = flags & BTREE_TRIGGER_OVERWRITE ? old: new;
+ struct bkey_s_c k = flags & BTREE_TRIGGER_OVERWRITE ? old : new;
struct bch_fs_usage __percpu *fs_usage;
unsigned replicas = bkey_s_c_to_reservation(k).v->nr_replicas;
s64 sectors = (s64) k.k->size;
" missing range %llu-%llu",
(bch2_bkey_val_to_text(&buf, c, p.s_c), buf.buf),
*idx, next_idx)) {
- struct bkey_i_error new;
+ struct bkey_i_error *new;
- bkey_init(&new.k);
- new.k.type = KEY_TYPE_error;
- new.k.p = bkey_start_pos(p.k);
- new.k.p.offset += *idx - start;
- bch2_key_resize(&new.k, next_idx - *idx);
- ret = __bch2_btree_insert(trans, BTREE_ID_extents, &new.k_i);
+ new = bch2_trans_kmalloc(trans, sizeof(*new));
+ ret = PTR_ERR_OR_ZERO(new);
+ if (ret)
+ goto err;
+
+ bkey_init(&new->k);
+ new->k.type = KEY_TYPE_error;
+ new->k.p = bkey_start_pos(p.k);
+ new->k.p.offset += *idx - start;
+ bch2_key_resize(&new->k, next_idx - *idx);
+ ret = __bch2_btree_insert(trans, BTREE_ID_extents, &new->k_i,
+ BTREE_TRIGGER_NORUN);
}
*idx = next_idx;
+err:
fsck_err:
printbuf_exit(&buf);
return ret;
}
int bch2_mark_reflink_p(struct btree_trans *trans,
+ enum btree_id btree_id, unsigned level,
struct bkey_s_c old, struct bkey_s_c new,
unsigned flags)
{
struct bch_fs *c = trans->c;
- struct bkey_s_c k = flags & BTREE_TRIGGER_OVERWRITE ? old: new;
+ struct bkey_s_c k = flags & BTREE_TRIGGER_OVERWRITE ? old : new;
struct bkey_s_c_reflink_p p = bkey_s_c_to_reflink_p(k);
struct reflink_gc *ref;
size_t l, r, m;
return ret;
}
-static noinline __cold
-void fs_usage_apply_warn(struct btree_trans *trans,
- unsigned disk_res_sectors,
- s64 should_not_have_added)
+void bch2_trans_fs_usage_revert(struct btree_trans *trans,
+ struct replicas_delta_list *deltas)
{
struct bch_fs *c = trans->c;
- struct btree_insert_entry *i;
- struct printbuf buf = PRINTBUF;
+ struct bch_fs_usage *dst;
+ struct replicas_delta *d, *top = (void *) deltas->d + deltas->used;
+ s64 added = 0;
+ unsigned i;
- bch_err(c, "disk usage increased %lli more than %u sectors reserved",
- should_not_have_added, disk_res_sectors);
+ percpu_down_read(&c->mark_lock);
+ preempt_disable();
+ dst = fs_usage_ptr(c, trans->journal_res.seq, false);
- trans_for_each_update(trans, i) {
- struct bkey_s_c old = { &i->old_k, i->old_v };
+ /* revert changes: */
+ for (d = deltas->d; d != top; d = replicas_delta_next(d)) {
+ switch (d->r.data_type) {
+ case BCH_DATA_btree:
+ case BCH_DATA_user:
+ case BCH_DATA_parity:
+ added += d->delta;
+ }
+ BUG_ON(__update_replicas(c, dst, &d->r, -d->delta));
+ }
- pr_err("while inserting");
- printbuf_reset(&buf);
- bch2_bkey_val_to_text(&buf, c, bkey_i_to_s_c(i->k));
- pr_err(" %s", buf.buf);
- pr_err("overlapping with");
- printbuf_reset(&buf);
- bch2_bkey_val_to_text(&buf, c, old);
- pr_err(" %s", buf.buf);
+ dst->nr_inodes -= deltas->nr_inodes;
+
+ for (i = 0; i < BCH_REPLICAS_MAX; i++) {
+ added -= deltas->persistent_reserved[i];
+ dst->reserved -= deltas->persistent_reserved[i];
+ dst->persistent_reserved[i] -= deltas->persistent_reserved[i];
}
- __WARN();
- printbuf_exit(&buf);
+ if (added > 0) {
+ trans->disk_res->sectors += added;
+ this_cpu_add(*c->online_reserved, added);
+ }
+
+ preempt_enable();
+ percpu_up_read(&c->mark_lock);
}
int bch2_trans_fs_usage_apply(struct btree_trans *trans,
percpu_up_read(&c->mark_lock);
if (unlikely(warn) && !xchg(&warned_disk_usage, 1))
- fs_usage_apply_warn(trans, disk_res_sectors, should_not_have_added);
+ bch2_trans_inconsistent(trans,
+ "disk usage increased %lli more than %u sectors reserved)",
+ should_not_have_added, disk_res_sectors);
return 0;
need_mark:
/* revert changes: */
/* trans_mark: */
-static int bch2_trans_mark_pointer(struct btree_trans *trans,
- struct bkey_s_c k, struct extent_ptr_decoded p,
- s64 sectors, enum bch_data_type data_type)
+static inline int bch2_trans_mark_pointer(struct btree_trans *trans,
+ enum btree_id btree_id, unsigned level,
+ struct bkey_s_c k, struct extent_ptr_decoded p,
+ unsigned flags)
{
+ bool insert = !(flags & BTREE_TRIGGER_OVERWRITE);
struct btree_iter iter;
struct bkey_i_alloc_v4 *a;
+ struct bpos bucket_pos;
+ struct bch_backpointer bp;
+ s64 sectors;
int ret;
- a = bch2_trans_start_alloc_update(trans, &iter, PTR_BUCKET_POS(trans->c, &p.ptr));
+ bch2_extent_ptr_to_bp(trans->c, btree_id, level, k, p, &bucket_pos, &bp);
+ sectors = bp.bucket_len;
+ if (!insert)
+ sectors = -sectors;
+
+ a = bch2_trans_start_alloc_update(trans, &iter, bucket_pos);
if (IS_ERR(a))
return PTR_ERR(a);
- ret = __mark_pointer(trans, k, &p.ptr, sectors, data_type,
+ ret = __mark_pointer(trans, k, &p.ptr, sectors, bp.data_type,
a->v.gen, &a->v.data_type,
&a->v.dirty_sectors, &a->v.cached_sectors);
if (ret)
- goto out;
+ goto err;
+
+ if (!p.ptr.cached) {
+ ret = bch2_bucket_backpointer_mod(trans, a, bp, k, insert);
+ if (ret)
+ goto err;
+ }
ret = bch2_trans_update(trans, &iter, &a->k_i, 0);
- if (ret)
- goto out;
-out:
+err:
bch2_trans_iter_exit(trans, &iter);
return ret;
}
s64 sectors, enum bch_data_type data_type)
{
struct btree_iter iter;
- struct bkey_s_c k;
struct bkey_i_stripe *s;
struct bch_replicas_padded r;
int ret = 0;
bch2_trans_iter_init(trans, &iter, BTREE_ID_stripes, POS(0, p.ec.idx),
BTREE_ITER_INTENT|
BTREE_ITER_WITH_UPDATES);
- k = bch2_btree_iter_peek_slot(&iter);
- ret = bkey_err(k);
- if (ret)
- goto err;
-
- if (k.k->type != KEY_TYPE_stripe) {
- bch2_trans_inconsistent(trans,
+ s = bch2_bkey_get_mut_typed(trans, &iter, stripe);
+ ret = PTR_ERR_OR_ZERO(s);
+ if (unlikely(ret)) {
+ bch2_trans_inconsistent_on(ret == -ENOENT, trans,
"pointer to nonexistent stripe %llu",
(u64) p.ec.idx);
- ret = -EIO;
goto err;
}
- if (!bch2_ptr_matches_stripe(bkey_s_c_to_stripe(k).v, p)) {
+ if (!bch2_ptr_matches_stripe(&s->v, p)) {
bch2_trans_inconsistent(trans,
"stripe pointer doesn't match stripe %llu",
(u64) p.ec.idx);
goto err;
}
- s = bch2_trans_kmalloc(trans, bkey_bytes(k.k));
- ret = PTR_ERR_OR_ZERO(s);
- if (ret)
- goto err;
-
- bkey_reassemble(&s->k_i, k);
stripe_blockcount_set(&s->v, p.ec.block,
stripe_blockcount_get(&s->v, p.ec.block) +
sectors);
}
int bch2_trans_mark_extent(struct btree_trans *trans,
+ enum btree_id btree_id, unsigned level,
struct bkey_s_c old, struct bkey_i *new,
unsigned flags)
{
if (flags & BTREE_TRIGGER_OVERWRITE)
disk_sectors = -disk_sectors;
- ret = bch2_trans_mark_pointer(trans, k, p,
- disk_sectors, data_type);
+ ret = bch2_trans_mark_pointer(trans, btree_id, level, k, p, flags);
if (ret < 0)
return ret;
if (IS_ERR(a))
return PTR_ERR(a);
- ret = check_bucket_ref(c, s.s_c, ptr, sectors, data_type,
+ ret = check_bucket_ref(trans, s.s_c, ptr, sectors, data_type,
a->v.gen, a->v.data_type,
a->v.dirty_sectors, a->v.cached_sectors);
if (ret)
a->v.stripe = s.k->p.offset;
a->v.stripe_redundancy = s.v->nr_redundant;
+ a->v.data_type = BCH_DATA_stripe;
} else {
if (bch2_trans_inconsistent_on(a->v.stripe != s.k->p.offset ||
a->v.stripe_redundancy != s.v->nr_redundant, trans,
a->v.stripe = 0;
a->v.stripe_redundancy = 0;
+ a->v.data_type = alloc_data_type(a->v, BCH_DATA_user);
}
a->v.dirty_sectors += sectors;
}
int bch2_trans_mark_stripe(struct btree_trans *trans,
+ enum btree_id btree_id, unsigned level,
struct bkey_s_c old, struct bkey_i *new,
unsigned flags)
{
}
int bch2_trans_mark_inode(struct btree_trans *trans,
+ enum btree_id btree_id, unsigned level,
struct bkey_s_c old,
struct bkey_i *new,
unsigned flags)
}
int bch2_trans_mark_reservation(struct btree_trans *trans,
+ enum btree_id btree_id, unsigned level,
struct bkey_s_c old,
struct bkey_i *new,
unsigned flags)
{
struct bch_fs *c = trans->c;
struct btree_iter iter;
- struct bkey_s_c k;
- struct bkey_i *n;
+ struct bkey_i *k;
__le64 *refcount;
int add = !(flags & BTREE_TRIGGER_OVERWRITE) ? 1 : -1;
struct printbuf buf = PRINTBUF;
bch2_trans_iter_init(trans, &iter, BTREE_ID_reflink, POS(0, *idx),
BTREE_ITER_INTENT|
BTREE_ITER_WITH_UPDATES);
- k = bch2_btree_iter_peek_slot(&iter);
- ret = bkey_err(k);
+ k = bch2_bkey_get_mut(trans, &iter);
+ ret = PTR_ERR_OR_ZERO(k);
if (ret)
goto err;
- n = bch2_trans_kmalloc(trans, bkey_bytes(k.k));
- ret = PTR_ERR_OR_ZERO(n);
- if (ret)
- goto err;
-
- bkey_reassemble(n, k);
-
- refcount = bkey_refcount(n);
+ refcount = bkey_refcount(k);
if (!refcount) {
bch2_bkey_val_to_text(&buf, c, p.s_c);
bch2_trans_inconsistent(trans,
u64 pad;
pad = max_t(s64, le32_to_cpu(v->front_pad),
- le64_to_cpu(v->idx) - bkey_start_offset(k.k));
+ le64_to_cpu(v->idx) - bkey_start_offset(&k->k));
BUG_ON(pad > U32_MAX);
v->front_pad = cpu_to_le32(pad);
pad = max_t(s64, le32_to_cpu(v->back_pad),
- k.k->p.offset - p.k->size - le64_to_cpu(v->idx));
+ k->k.p.offset - p.k->size - le64_to_cpu(v->idx));
BUG_ON(pad > U32_MAX);
v->back_pad = cpu_to_le32(pad);
}
le64_add_cpu(refcount, add);
bch2_btree_iter_set_pos_to_extent_start(&iter);
- ret = bch2_trans_update(trans, &iter, n, 0);
+ ret = bch2_trans_update(trans, &iter, k, 0);
if (ret)
goto err;
- *idx = k.k->p.offset;
+ *idx = k->k.p.offset;
err:
bch2_trans_iter_exit(trans, &iter);
printbuf_exit(&buf);
}
int bch2_trans_mark_reflink_p(struct btree_trans *trans,
+ enum btree_id btree_id, unsigned level,
struct bkey_s_c old,
struct bkey_i *new,
unsigned flags)
if (IS_ERR(a))
return PTR_ERR(a);
- if (a->v.data_type && a->v.data_type != type) {
+ if (a->v.data_type && type && a->v.data_type != type) {
bch2_fsck_err(c, FSCK_CAN_IGNORE|FSCK_NEED_FSCK,
"bucket %llu:%llu gen %u different types of data in same bucket: %s, %s\n"
"while marking %s",
enum bch_data_type type,
unsigned sectors)
{
- return __bch2_trans_do(trans, NULL, NULL, 0,
+ return commit_do(trans, NULL, NULL, 0,
__bch2_trans_mark_metadata_bucket(trans, ca, b, type, sectors));
}
int bch2_trans_mark_dev_sb(struct bch_fs *c, struct bch_dev *ca)
{
- return bch2_trans_do(c, NULL, NULL, BTREE_INSERT_LAZY_RW,
- __bch2_trans_mark_dev_sb(&trans, ca));
+ return bch2_trans_run(c, __bch2_trans_mark_dev_sb(&trans, ca));
}
/* Disk reservations: */
#define SECTORS_CACHE 1024
-int bch2_disk_reservation_add(struct bch_fs *c, struct disk_reservation *res,
+int __bch2_disk_reservation_add(struct bch_fs *c, struct disk_reservation *res,
u64 sectors, int flags)
{
struct bch_fs_pcpu *pcpu;
ret = 0;
} else {
atomic64_set(&c->sectors_available, sectors_available);
- ret = -ENOSPC;
+ ret = -BCH_ERR_ENOSPC_disk_reservation;
}
mutex_unlock(&c->sectors_available_lock);
struct bucket_gens *bucket_gens = NULL, *old_bucket_gens = NULL;
unsigned long *buckets_nouse = NULL;
bool resize = ca->bucket_gens != NULL;
- int ret = -ENOMEM;
+ int ret;
if (!(bucket_gens = kvpmalloc(sizeof(struct bucket_gens) + nbuckets,
- GFP_KERNEL|__GFP_ZERO)) ||
- (c->opts.buckets_nouse &&
+ GFP_KERNEL|__GFP_ZERO))) {
+ ret = -BCH_ERR_ENOMEM_bucket_gens;
+ goto err;
+ }
+
+ if ((c->opts.buckets_nouse &&
!(buckets_nouse = kvpmalloc(BITS_TO_LONGS(nbuckets) *
sizeof(unsigned long),
- GFP_KERNEL|__GFP_ZERO))))
+ GFP_KERNEL|__GFP_ZERO)))) {
+ ret = -BCH_ERR_ENOMEM_buckets_nouse;
goto err;
+ }
bucket_gens->first_bucket = ca->mi.first_bucket;
bucket_gens->nbuckets = nbuckets;
ca->usage_base = kzalloc(sizeof(struct bch_dev_usage), GFP_KERNEL);
if (!ca->usage_base)
- return -ENOMEM;
+ return -BCH_ERR_ENOMEM_usage_init;
for (i = 0; i < ARRAY_SIZE(ca->usage); i++) {
ca->usage[i] = alloc_percpu(struct bch_dev_usage);
if (!ca->usage[i])
- return -ENOMEM;
+ return -BCH_ERR_ENOMEM_usage_init;
}
- return bch2_dev_buckets_resize(c, ca, ca->mi.nbuckets);;
+ return bch2_dev_buckets_resize(c, ca, ca->mi.nbuckets);
}
projects / bcachefs-tools-debian / blobdiff