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-rw-r--r--fs/bcachefs/buckets.c2
-rw-r--r--fs/bcachefs/journal.c154
-rw-r--r--fs/bcachefs/journal_sb.c27
-rw-r--r--fs/bcachefs/journal_sb.h2
4 files changed, 89 insertions, 96 deletions
diff --git a/fs/bcachefs/buckets.c b/fs/bcachefs/buckets.c
index 6805f2c0f08a..1bcef419cfab 100644
--- a/fs/bcachefs/buckets.c
+++ b/fs/bcachefs/buckets.c
@@ -1855,7 +1855,7 @@ static int __bch2_trans_mark_metadata_bucket(struct btree_trans *trans,
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",
diff --git a/fs/bcachefs/journal.c b/fs/bcachefs/journal.c
index 957eeece4d98..ceceaebb225d 100644
--- a/fs/bcachefs/journal.c
+++ b/fs/bcachefs/journal.c
@@ -758,19 +758,10 @@ static int __bch2_set_nr_journal_buckets(struct bch_dev *ca, unsigned nr,
u64 *new_bucket_seq = NULL, *new_buckets = NULL;
struct open_bucket **ob = NULL;
long *bu = NULL;
- unsigned i, nr_got = 0, nr_want = nr - ja->nr;
- unsigned old_nr = ja->nr;
- unsigned old_discard_idx = ja->discard_idx;
- unsigned old_dirty_idx_ondisk = ja->dirty_idx_ondisk;
- unsigned old_dirty_idx = ja->dirty_idx;
- unsigned old_cur_idx = ja->cur_idx;
+ unsigned i, pos, nr_got = 0, nr_want = nr - ja->nr;
int ret = 0;
- if (c) {
- bch2_journal_flush_all_pins(&c->journal);
- bch2_journal_block(&c->journal);
- mutex_lock(&c->sb_lock);
- }
+ BUG_ON(nr <= ja->nr);
bu = kcalloc(nr_want, sizeof(*bu), GFP_KERNEL);
ob = kcalloc(nr_want, sizeof(*ob), GFP_KERNEL);
@@ -778,7 +769,7 @@ static int __bch2_set_nr_journal_buckets(struct bch_dev *ca, unsigned nr,
new_bucket_seq = kcalloc(nr, sizeof(u64), GFP_KERNEL);
if (!bu || !ob || !new_buckets || !new_bucket_seq) {
ret = -ENOMEM;
- goto err_unblock;
+ goto err_free;
}
for (nr_got = 0; nr_got < nr_want; nr_got++) {
@@ -795,87 +786,92 @@ static int __bch2_set_nr_journal_buckets(struct bch_dev *ca, unsigned nr,
if (ret)
break;
+ ret = bch2_trans_run(c,
+ bch2_trans_mark_metadata_bucket(&trans, ca,
+ ob[nr_got]->bucket, BCH_DATA_journal,
+ ca->mi.bucket_size));
+ if (ret) {
+ bch2_open_bucket_put(c, ob[nr_got]);
+ bch_err(c, "error marking new journal buckets: %s", bch2_err_str(ret));
+ break;
+ }
+
bu[nr_got] = ob[nr_got]->bucket;
}
}
if (!nr_got)
- goto err_unblock;
+ goto err_free;
- /*
- * We may be called from the device add path, before the new device has
- * actually been added to the running filesystem:
- */
- if (!new_fs)
- spin_lock(&c->journal.lock);
+ /* Don't return an error if we successfully allocated some buckets: */
+ ret = 0;
+
+ if (c) {
+ bch2_journal_flush_all_pins(&c->journal);
+ bch2_journal_block(&c->journal);
+ mutex_lock(&c->sb_lock);
+ }
memcpy(new_buckets, ja->buckets, ja->nr * sizeof(u64));
memcpy(new_bucket_seq, ja->bucket_seq, ja->nr * sizeof(u64));
- swap(new_buckets, ja->buckets);
- swap(new_bucket_seq, ja->bucket_seq);
+
+ BUG_ON(ja->discard_idx > ja->nr);
+
+ pos = ja->discard_idx ?: ja->nr;
+
+ memmove(new_buckets + pos + nr_got,
+ new_buckets + pos,
+ sizeof(new_buckets[0]) * (ja->nr - pos));
+ memmove(new_bucket_seq + pos + nr_got,
+ new_bucket_seq + pos,
+ sizeof(new_bucket_seq[0]) * (ja->nr - pos));
for (i = 0; i < nr_got; i++) {
- unsigned pos = ja->discard_idx ?: ja->nr;
- long b = bu[i];
-
- __array_insert_item(ja->buckets, ja->nr, pos);
- __array_insert_item(ja->bucket_seq, ja->nr, pos);
- ja->nr++;
-
- ja->buckets[pos] = b;
- ja->bucket_seq[pos] = 0;
-
- if (pos <= ja->discard_idx)
- ja->discard_idx = (ja->discard_idx + 1) % ja->nr;
- if (pos <= ja->dirty_idx_ondisk)
- ja->dirty_idx_ondisk = (ja->dirty_idx_ondisk + 1) % ja->nr;
- if (pos <= ja->dirty_idx)
- ja->dirty_idx = (ja->dirty_idx + 1) % ja->nr;
- if (pos <= ja->cur_idx)
- ja->cur_idx = (ja->cur_idx + 1) % ja->nr;
+ new_buckets[pos + i] = bu[i];
+ new_bucket_seq[pos + i] = 0;
}
- ret = bch2_journal_buckets_to_sb(c, ca);
- if (ret) {
- /* Revert: */
- swap(new_buckets, ja->buckets);
- swap(new_bucket_seq, ja->bucket_seq);
- ja->nr = old_nr;
- ja->discard_idx = old_discard_idx;
- ja->dirty_idx_ondisk = old_dirty_idx_ondisk;
- ja->dirty_idx = old_dirty_idx;
- ja->cur_idx = old_cur_idx;
- }
+ nr = ja->nr + nr_got;
- if (!new_fs)
- spin_unlock(&c->journal.lock);
+ ret = bch2_journal_buckets_to_sb(c, ca, new_buckets, nr);
+ if (ret)
+ goto err_unblock;
- if (ja->nr != old_nr && !new_fs)
+ if (!new_fs)
bch2_write_super(c);
+ /* Commit: */
if (c)
- bch2_journal_unblock(&c->journal);
+ spin_lock(&c->journal.lock);
- if (ret)
- goto err;
+ swap(new_buckets, ja->buckets);
+ swap(new_bucket_seq, ja->bucket_seq);
+ ja->nr = nr;
+
+ if (pos <= ja->discard_idx)
+ ja->discard_idx = (ja->discard_idx + nr_got) % ja->nr;
+ if (pos <= ja->dirty_idx_ondisk)
+ ja->dirty_idx_ondisk = (ja->dirty_idx_ondisk + nr_got) % ja->nr;
+ if (pos <= ja->dirty_idx)
+ ja->dirty_idx = (ja->dirty_idx + nr_got) % ja->nr;
+ if (pos <= ja->cur_idx)
+ ja->cur_idx = (ja->cur_idx + nr_got) % ja->nr;
- if (!new_fs) {
- for (i = 0; i < nr_got; i++) {
- ret = bch2_trans_run(c,
- bch2_trans_mark_metadata_bucket(&trans, ca,
- bu[i], BCH_DATA_journal,
- ca->mi.bucket_size));
- if (ret) {
- bch2_fs_inconsistent(c, "error marking new journal buckets: %i", ret);
- goto err;
- }
- }
- }
-err:
if (c)
+ spin_unlock(&c->journal.lock);
+err_unblock:
+ if (c) {
+ bch2_journal_unblock(&c->journal);
mutex_unlock(&c->sb_lock);
+ }
- if (ob && !new_fs)
+ if (ret && !new_fs)
+ for (i = 0; i < nr_got; i++)
+ bch2_trans_run(c,
+ bch2_trans_mark_metadata_bucket(&trans, ca,
+ bu[i], BCH_DATA_free, 0));
+err_free:
+ if (!new_fs)
for (i = 0; i < nr_got; i++)
bch2_open_bucket_put(c, ob[i]);
@@ -883,12 +879,7 @@ err:
kfree(new_buckets);
kfree(ob);
kfree(bu);
-
return ret;
-err_unblock:
- if (c)
- bch2_journal_unblock(&c->journal);
- goto err;
}
/*
@@ -902,13 +893,15 @@ int bch2_set_nr_journal_buckets(struct bch_fs *c, struct bch_dev *ca,
struct closure cl;
int ret = 0;
+ closure_init_stack(&cl);
+
+ down_write(&c->state_lock);
+
/* don't handle reducing nr of buckets yet: */
if (nr < ja->nr)
- return 0;
-
- closure_init_stack(&cl);
+ goto unlock;
- while (ja->nr != nr) {
+ while (ja->nr < nr) {
struct disk_reservation disk_res = { 0, 0 };
/*
@@ -939,7 +932,8 @@ int bch2_set_nr_journal_buckets(struct bch_fs *c, struct bch_dev *ca,
if (ret)
bch_err(c, "%s: err %s", __func__, bch2_err_str(ret));
-
+unlock:
+ up_write(&c->state_lock);
return ret;
}
diff --git a/fs/bcachefs/journal_sb.c b/fs/bcachefs/journal_sb.c
index 9b933330a4c3..5be7882342e0 100644
--- a/fs/bcachefs/journal_sb.c
+++ b/fs/bcachefs/journal_sb.c
@@ -175,46 +175,45 @@ const struct bch_sb_field_ops bch_sb_field_ops_journal_v2 = {
.to_text = bch2_sb_journal_v2_to_text,
};
-int bch2_journal_buckets_to_sb(struct bch_fs *c, struct bch_dev *ca)
+int bch2_journal_buckets_to_sb(struct bch_fs *c, struct bch_dev *ca,
+ u64 *buckets, unsigned nr)
{
- struct journal_device *ja = &ca->journal;
struct bch_sb_field_journal_v2 *j;
- unsigned i, dst = 0, nr = 1;
+ unsigned i, dst = 0, nr_compacted = 1;
if (c)
lockdep_assert_held(&c->sb_lock);
- if (!ja->nr) {
+ if (!nr) {
bch2_sb_field_delete(&ca->disk_sb, BCH_SB_FIELD_journal);
bch2_sb_field_delete(&ca->disk_sb, BCH_SB_FIELD_journal_v2);
return 0;
}
- for (i = 0; i + 1 < ja->nr; i++)
- if (ja->buckets[i] + 1 != ja->buckets[i + 1])
- nr++;
+ for (i = 0; i + 1 < nr; i++)
+ if (buckets[i] + 1 != buckets[i + 1])
+ nr_compacted++;
j = bch2_sb_resize_journal_v2(&ca->disk_sb,
- (sizeof(*j) + sizeof(j->d[0]) * nr) / sizeof(u64));
+ (sizeof(*j) + sizeof(j->d[0]) * nr_compacted) / sizeof(u64));
if (!j)
return -BCH_ERR_ENOSPC_sb_journal;
bch2_sb_field_delete(&ca->disk_sb, BCH_SB_FIELD_journal);
- j->d[dst].start = le64_to_cpu(ja->buckets[0]);
+ j->d[dst].start = le64_to_cpu(buckets[0]);
j->d[dst].nr = le64_to_cpu(1);
- for (i = 1; i < ja->nr; i++) {
- if (ja->buckets[i] == ja->buckets[i - 1] + 1) {
+ for (i = 1; i < nr; i++) {
+ if (buckets[i] == buckets[i - 1] + 1) {
le64_add_cpu(&j->d[dst].nr, 1);
} else {
dst++;
- j->d[dst].start = le64_to_cpu(ja->buckets[i]);
+ j->d[dst].start = le64_to_cpu(buckets[i]);
j->d[dst].nr = le64_to_cpu(1);
}
}
- BUG_ON(dst + 1 != nr);
-
+ BUG_ON(dst + 1 != nr_compacted);
return 0;
}
diff --git a/fs/bcachefs/journal_sb.h b/fs/bcachefs/journal_sb.h
index a39192e9f6f4..ba40a7e8d90a 100644
--- a/fs/bcachefs/journal_sb.h
+++ b/fs/bcachefs/journal_sb.h
@@ -21,4 +21,4 @@ static inline unsigned bch2_sb_field_journal_v2_nr_entries(struct bch_sb_field_j
extern const struct bch_sb_field_ops bch_sb_field_ops_journal;
extern const struct bch_sb_field_ops bch_sb_field_ops_journal_v2;
-int bch2_journal_buckets_to_sb(struct bch_fs *, struct bch_dev *);
+int bch2_journal_buckets_to_sb(struct bch_fs *, struct bch_dev *, u64 *, unsigned);