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Update bcachefs sources to ac3ab6a511 bcachefs: Fix an uninitialized var

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This commit is contained in:
Kent Overstreet 2021-05-20 20:47:55 -04:00
parent 9c0dc7b8d4
commit 09021c38d3
14 changed files with 97 additions and 47 deletions
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2
.bcachefs_revision
View File

@ -1 +1 @@
0cd3e1d27a6252b6c0cc32f237c2b2414540e2e8
ac3ab6a511717db1644ded49a6f417304abba048

1
libbcachefs/btree_update_interior.c
View File

@ -286,6 +286,7 @@ static struct btree *bch2_btree_node_alloc(struct btree_update *as, unsigned lev
memset(&b->nr, 0, sizeof(b->nr));
b->data->magic = cpu_to_le64(bset_magic(c));
memset(&b->data->_ptr, 0, sizeof(b->data->_ptr));
b->data->flags = 0;
SET_BTREE_NODE_ID(b->data, as->btree_id);
SET_BTREE_NODE_LEVEL(b->data, level);

30
libbcachefs/btree_update_leaf.c
View File

@ -690,6 +690,7 @@ int bch2_trans_commit_error(struct btree_trans *trans,
}
break;
case BTREE_INSERT_ENOSPC:
BUG_ON(flags & BTREE_INSERT_NOFAIL);
ret = -ENOSPC;
break;
case BTREE_INSERT_NEED_MARK_REPLICAS:
@ -743,6 +744,8 @@ int bch2_trans_commit_error(struct btree_trans *trans,
break;
}
BUG_ON(ret == -ENOSPC && (flags & BTREE_INSERT_NOFAIL));
return ret;
}
@ -1099,9 +1102,30 @@ int bch2_trans_update(struct btree_trans *trans, struct btree_iter *iter,
if (i < trans->updates + trans->nr_updates &&
i->btree_id == n.btree_id &&
bkey_cmp(n.k->k.p, bkey_start_pos(&i->k->k)) > 0) {
/* We don't handle splitting extents here: */
BUG_ON(bkey_cmp(bkey_start_pos(&n.k->k),
bkey_start_pos(&i->k->k)) > 0);
if (bkey_cmp(bkey_start_pos(&n.k->k),
bkey_start_pos(&i->k->k)) > 0) {
struct btree_insert_entry split = *i;
int ret;
BUG_ON(trans->nr_updates + 1 >= BTREE_ITER_MAX);
split.k = bch2_trans_kmalloc(trans, bkey_bytes(&i->k->k));
ret = PTR_ERR_OR_ZERO(split.k);
if (ret)
return ret;
bkey_copy(split.k, i->k);
bch2_cut_back(bkey_start_pos(&n.k->k), split.k);
split.iter = bch2_trans_get_iter(trans, split.btree_id,
bkey_start_pos(&split.k->k),
BTREE_ITER_INTENT);
split.iter->flags |= BTREE_ITER_KEEP_UNTIL_COMMIT;
bch2_trans_iter_put(trans, split.iter);
array_insert_item(trans->updates, trans->nr_updates,
i - trans->updates, split);
i++;
}
/*
* When we have an extent that overwrites the start of another

7
libbcachefs/buckets.c
View File

@ -257,18 +257,11 @@ void bch2_fs_usage_to_text(struct printbuf *out,
}
}
#define RESERVE_FACTOR 6
static u64 reserve_factor(u64 r)
{
return r + (round_up(r, (1 << RESERVE_FACTOR)) >> RESERVE_FACTOR);
}
static u64 avail_factor(u64 r)
{
return div_u64(r << RESERVE_FACTOR, (1 << RESERVE_FACTOR) + 1);
}
u64 bch2_fs_sectors_used(struct bch_fs *c, struct bch_fs_usage_online *fs_usage)
{
return min(fs_usage->u.hidden +

7
libbcachefs/buckets.h
View File

@ -294,6 +294,13 @@ static inline int bch2_disk_reservation_get(struct bch_fs *c,
return bch2_disk_reservation_add(c, res, sectors * nr_replicas, flags);
}
#define RESERVE_FACTOR 6
static inline u64 avail_factor(u64 r)
{
return div_u64(r << RESERVE_FACTOR, (1 << RESERVE_FACTOR) + 1);
}
int bch2_dev_buckets_resize(struct bch_fs *, struct bch_dev *, u64);
void bch2_dev_buckets_free(struct bch_dev *);
int bch2_dev_buckets_alloc(struct bch_fs *, struct bch_dev *);

3
libbcachefs/dirent.c
View File

@ -210,6 +210,8 @@ int bch2_dirent_rename(struct btree_trans *trans,
if (mode != BCH_RENAME)
*dst_inum = le64_to_cpu(bkey_s_c_to_dirent(old_dst).v->d_inum);
if (mode != BCH_RENAME_EXCHANGE)
*src_offset = dst_iter->pos.offset;
/* Lookup src: */
src_iter = bch2_hash_lookup(trans, bch2_dirent_hash_desc,
@ -290,6 +292,7 @@ int bch2_dirent_rename(struct btree_trans *trans,
bch2_trans_update(trans, src_iter, &new_src->k_i, 0);
bch2_trans_update(trans, dst_iter, &new_dst->k_i, 0);
out_set_offset:
if (mode == BCH_RENAME_EXCHANGE)
*src_offset = new_src->k.p.offset;
*dst_offset = new_dst->k.p.offset;
out:

7
libbcachefs/fs-common.c
View File

@ -289,6 +289,13 @@ int bch2_rename_trans(struct btree_trans *trans,
dst_inode_u->bi_dir = src_dir_u->bi_inum;
dst_inode_u->bi_dir_offset = src_offset;
}
if (mode == BCH_RENAME_OVERWRITE &&
dst_inode_u->bi_dir == dst_dir_u->bi_inum &&
dst_inode_u->bi_dir_offset == src_offset) {
dst_inode_u->bi_dir = 0;
dst_inode_u->bi_dir_offset = 0;
}
}
if (mode == BCH_RENAME_OVERWRITE) {

15
libbcachefs/fs-io.c
View File

@ -1018,6 +1018,8 @@ static void bch2_writepage_io_done(struct closure *cl)
struct bio_vec *bvec;
unsigned i;
up(&io->op.c->io_in_flight);
if (io->op.error) {
set_bit(EI_INODE_ERROR, &io->inode->ei_flags);
@ -1080,6 +1082,8 @@ static void bch2_writepage_do_io(struct bch_writepage_state *w)
{
struct bch_writepage_io *io = w->io;
down(&io->op.c->io_in_flight);
w->io = NULL;
closure_call(&io->op.cl, bch2_write, NULL, &io->cl);
continue_at(&io->cl, bch2_writepage_io_done, NULL);
@ -1819,6 +1823,8 @@ static long bch2_dio_write_loop(struct dio_write *dio)
if (dio->loop)
goto loop;
down(&c->io_in_flight);
while (1) {
iter_count = dio->iter.count;
@ -1883,6 +1889,7 @@ static long bch2_dio_write_loop(struct dio_write *dio)
if ((req->ki_flags & IOCB_DSYNC) &&
!c->opts.journal_flush_disabled)
dio->op.flags |= BCH_WRITE_FLUSH;
dio->op.flags |= BCH_WRITE_CHECK_ENOSPC;
ret = bch2_disk_reservation_get(c, &dio->op.res, bio_sectors(bio),
dio->op.opts.data_replicas, 0);
@ -1949,6 +1956,7 @@ loop:
ret = dio->op.error ?: ((long) dio->written << 9);
err:
up(&c->io_in_flight);
bch2_pagecache_block_put(&inode->ei_pagecache_lock);
bch2_quota_reservation_put(c, inode, &dio->quota_res);
@ -2708,7 +2716,7 @@ static int __bchfs_fallocate(struct bch_inode_info *inode, int mode,
ret = bch2_extent_update(&trans, iter, &reservation.k_i,
&disk_res, &inode->ei_journal_seq,
0, &i_sectors_delta);
0, &i_sectors_delta, true);
i_sectors_acct(c, inode, &quota_res, i_sectors_delta);
bkey_err:
bch2_quota_reservation_put(c, inode, &quota_res);
@ -2928,6 +2936,11 @@ loff_t bch2_remap_file_range(struct file *file_src, loff_t pos_src,
if (pos_dst + ret > dst->v.i_size)
i_size_write(&dst->v, pos_dst + ret);
spin_unlock(&dst->v.i_lock);
if (((file_dst->f_flags & (__O_SYNC | O_DSYNC)) ||
IS_SYNC(file_inode(file_dst))) &&
!c->opts.journal_flush_disabled)
ret = bch2_journal_flush_seq(&c->journal, dst->ei_journal_seq);
err:
bch2_unlock_inodes(INODE_LOCK|INODE_PAGECACHE_BLOCK, src, dst);

4
libbcachefs/fs.c
View File

@ -1261,8 +1261,8 @@ static int bch2_statfs(struct dentry *dentry, struct kstatfs *buf)
buf->f_type = BCACHEFS_STATFS_MAGIC;
buf->f_bsize = sb->s_blocksize;
buf->f_blocks = usage.capacity >> shift;
buf->f_bfree = (usage.capacity - usage.used) >> shift;
buf->f_bavail = buf->f_bfree;
buf->f_bfree = usage.free >> shift;
buf->f_bavail = avail_factor(usage.free) >> shift;
buf->f_files = usage.nr_inodes + avail_inodes;
buf->f_ffree = avail_inodes;

4
libbcachefs/fsck.c
View File

@ -442,7 +442,7 @@ static int check_inode(struct btree_trans *trans,
* just switch units to bytes and that issue goes away
*/
ret = bch2_btree_delete_range_trans(trans, BTREE_ID_extents,
POS(u.bi_inum, round_up(u.bi_size, block_bytes(c))),
POS(u.bi_inum, round_up(u.bi_size, block_bytes(c)) >> 9),
POS(u.bi_inum, U64_MAX),
NULL);
if (ret) {
@ -682,7 +682,7 @@ retry:
k.k->type, k.k->p.offset, k.k->p.inode, w.inode.bi_size)) {
bch2_fs_lazy_rw(c);
return bch2_btree_delete_range_trans(&trans, BTREE_ID_extents,
POS(k.k->p.inode, round_up(w.inode.bi_size, block_bytes(c))),
POS(k.k->p.inode, round_up(w.inode.bi_size, block_bytes(c)) >> 9),
POS(k.k->p.inode, U64_MAX),
NULL) ?: -EINTR;
}

40
libbcachefs/io.c
View File

@ -187,7 +187,7 @@ int bch2_sum_sector_overwrites(struct btree_trans *trans,
struct btree_iter *extent_iter,
struct bkey_i *new,
bool *maybe_extending,
bool *should_check_enospc,
bool *usage_increasing,
s64 *i_sectors_delta,
s64 *disk_sectors_delta)
{
@ -199,7 +199,7 @@ int bch2_sum_sector_overwrites(struct btree_trans *trans,
int ret = 0;
*maybe_extending = true;
*should_check_enospc = false;
*usage_increasing = false;
*i_sectors_delta = 0;
*disk_sectors_delta = 0;
@ -219,10 +219,10 @@ int bch2_sum_sector_overwrites(struct btree_trans *trans,
? sectors * bch2_bkey_nr_ptrs_fully_allocated(old)
: 0;
if (!*should_check_enospc &&
if (!*usage_increasing &&
(new_replicas > bch2_bkey_replicas(c, old) ||
(!new_compressed && bch2_bkey_sectors_compressed(old))))
*should_check_enospc = true;
*usage_increasing = true;
if (bkey_cmp(old.k->p, new->k.p) >= 0) {
/*
@ -257,11 +257,12 @@ int bch2_extent_update(struct btree_trans *trans,
struct disk_reservation *disk_res,
u64 *journal_seq,
u64 new_i_size,
s64 *i_sectors_delta_total)
s64 *i_sectors_delta_total,
bool check_enospc)
{
/* this must live until after bch2_trans_commit(): */
struct bkey_inode_buf inode_p;
bool extending = false, should_check_enospc;
bool extending = false, usage_increasing;
s64 i_sectors_delta = 0, disk_sectors_delta = 0;
int ret;
@ -271,17 +272,20 @@ int bch2_extent_update(struct btree_trans *trans,
ret = bch2_sum_sector_overwrites(trans, iter, k,
&extending,
&should_check_enospc,
&usage_increasing,
&i_sectors_delta,
&disk_sectors_delta);
if (ret)
return ret;
if (!usage_increasing)
check_enospc = false;
if (disk_res &&
disk_sectors_delta > (s64) disk_res->sectors) {
ret = bch2_disk_reservation_add(trans->c, disk_res,
disk_sectors_delta - disk_res->sectors,
!should_check_enospc
!check_enospc
? BCH_DISK_RESERVATION_NOFAIL : 0);
if (ret)
return ret;
@ -332,11 +336,11 @@ int bch2_extent_update(struct btree_trans *trans,
bch2_trans_iter_put(trans, inode_iter);
}
bch2_trans_update(trans, iter, k, 0);
ret = bch2_trans_commit(trans, disk_res, journal_seq,
ret = bch2_trans_update(trans, iter, k, 0) ?:
bch2_trans_commit(trans, disk_res, journal_seq,
BTREE_INSERT_NOCHECK_RW|
BTREE_INSERT_NOFAIL);
BUG_ON(ret == -ENOSPC);
if (ret)
return ret;
@ -375,7 +379,7 @@ int bch2_fpunch_at(struct btree_trans *trans, struct btree_iter *iter,
ret = bch2_extent_update(trans, iter, &delete,
&disk_res, journal_seq,
0, i_sectors_delta);
0, i_sectors_delta, false);
bch2_disk_reservation_put(c, &disk_res);
btree_err:
if (ret == -EINTR) {
@ -448,7 +452,8 @@ int bch2_write_index_default(struct bch_write_op *op)
ret = bch2_extent_update(&trans, iter, sk.k,
&op->res, op_journal_seq(op),
op->new_i_size, &op->i_sectors_delta);
op->new_i_size, &op->i_sectors_delta,
op->flags & BCH_WRITE_CHECK_ENOSPC);
if (ret == -EINTR)
continue;
if (ret)
@ -537,9 +542,6 @@ static void bch2_write_done(struct closure *cl)
bch2_time_stats_update(&c->times[BCH_TIME_data_write], op->start_time);
if (!(op->flags & BCH_WRITE_FROM_INTERNAL))
up(&c->io_in_flight);
if (op->end_io) {
EBUG_ON(cl->parent);
closure_debug_destroy(cl);
@ -1323,12 +1325,6 @@ void bch2_write(struct closure *cl)
goto err;
}
/*
* Can't ratelimit copygc - we'd deadlock:
*/
if (!(op->flags & BCH_WRITE_FROM_INTERNAL))
down(&c->io_in_flight);
bch2_increment_clock(c, bio_sectors(bio), WRITE);
data_len = min_t(u64, bio->bi_iter.bi_size,

9
libbcachefs/io.h
View File

@ -34,11 +34,12 @@ enum bch_write_flags {
BCH_WRITE_ONLY_SPECIFIED_DEVS = (1 << 6),
BCH_WRITE_WROTE_DATA_INLINE = (1 << 7),
BCH_WRITE_FROM_INTERNAL = (1 << 8),
BCH_WRITE_CHECK_ENOSPC = (1 << 9),
/* Internal: */
BCH_WRITE_JOURNAL_SEQ_PTR = (1 << 9),
BCH_WRITE_SKIP_CLOSURE_PUT = (1 << 10),
BCH_WRITE_DONE = (1 << 11),
BCH_WRITE_JOURNAL_SEQ_PTR = (1 << 10),
BCH_WRITE_SKIP_CLOSURE_PUT = (1 << 11),
BCH_WRITE_DONE = (1 << 12),
};
static inline u64 *op_journal_seq(struct bch_write_op *op)
@ -64,7 +65,7 @@ int bch2_sum_sector_overwrites(struct btree_trans *, struct btree_iter *,
struct bkey_i *, bool *, bool *, s64 *, s64 *);
int bch2_extent_update(struct btree_trans *, struct btree_iter *,
struct bkey_i *, struct disk_reservation *,
u64 *, u64, s64 *);
u64 *, u64, s64 *, bool);
int bch2_fpunch_at(struct btree_trans *, struct btree_iter *,
struct bpos, u64 *, s64 *);
int bch2_fpunch(struct bch_fs *c, u64, u64, u64, u64 *, s64 *);

4
libbcachefs/quota.c
View File

@ -742,7 +742,9 @@ static int bch2_set_quota_trans(struct btree_trans *trans,
if (qdq->d_fieldmask & QC_INO_HARD)
new_quota->v.c[Q_INO].hardlimit = cpu_to_le64(qdq->d_ino_hardlimit);
return bch2_trans_update(trans, iter, &new_quota->k_i, 0);
ret = bch2_trans_update(trans, iter, &new_quota->k_i, 0);
bch2_trans_iter_put(trans, iter);
return ret;
}
static int bch2_set_quota(struct super_block *sb, struct kqid qid,

9
libbcachefs/reflink.c
View File

@ -155,7 +155,9 @@ static int bch2_make_extent_indirect(struct btree_trans *trans,
*refcount = 0;
memcpy(refcount + 1, &orig->v, bkey_val_bytes(&orig->k));
bch2_trans_update(trans, reflink_iter, r_v, 0);
ret = bch2_trans_update(trans, reflink_iter, r_v, 0);
if (ret)
goto err;
r_p = bch2_trans_kmalloc(trans, sizeof(*r_p));
if (IS_ERR(r_p)) {
@ -168,7 +170,7 @@ static int bch2_make_extent_indirect(struct btree_trans *trans,
set_bkey_val_bytes(&r_p->k, sizeof(r_p->v));
r_p->v.idx = cpu_to_le64(bkey_start_offset(&r_v->k));
bch2_trans_update(trans, extent_iter, &r_p->k_i, 0);
ret = bch2_trans_update(trans, extent_iter, &r_p->k_i, 0);
err:
if (!IS_ERR(reflink_iter))
c->reflink_hint = reflink_iter->pos.offset;
@ -291,7 +293,8 @@ s64 bch2_remap_range(struct bch_fs *c,
ret = bch2_extent_update(&trans, dst_iter, new_dst.k,
&disk_res, journal_seq,
new_i_size, i_sectors_delta);
new_i_size, i_sectors_delta,
true);
bch2_disk_reservation_put(c, &disk_res);
if (ret)
continue;