#include "bcachefs.h"
#include "bkey_buf.h"
#include "btree_update.h"
+#include "darray.h"
#include "dirent.h"
#include "error.h"
#include "fs-common.h"
ret = lookup_first_inode(trans, pos.inode, &dir_inode);
if (ret)
- return ret;
+ goto err;
dir_hash_info = bch2_hash_info_init(c, &dir_inode);
bch2_trans_iter_init(trans, &iter, BTREE_ID_dirents, pos, BTREE_ITER_INTENT);
ret = bch2_hash_delete_at(trans, bch2_dirent_hash_desc,
- &dir_hash_info, &iter, 0);
+ &dir_hash_info, &iter,
+ BTREE_UPDATE_INTERNAL_SNAPSHOT_NODE);
bch2_trans_iter_exit(trans, &iter);
+err:
+ if (ret && ret != -EINTR)
+ bch_err(c, "error %i from __remove_dirent()", ret);
return ret;
}
pos.snapshot = snapshot_t(c, pos.snapshot)->equiv;
if (bkey_cmp(s->pos, pos))
- s->nr = 0;
+ s->ids.nr = 0;
s->pos = pos;
/* Might get called multiple times due to lock restarts */
- if (s->nr && s->d[s->nr - 1] == pos.snapshot)
+ if (s->ids.nr && s->ids.data[s->ids.nr - 1] == pos.snapshot)
return 0;
return snapshots_seen_add(c, s, pos.snapshot);
ancestor = snapshot_t(c, ancestor)->equiv;
/* @ancestor should be the snapshot most recently added to @seen */
- BUG_ON(!seen->nr || seen->d[seen->nr - 1] != ancestor);
+ BUG_ON(!seen->ids.nr || seen->ids.data[seen->ids.nr - 1] != ancestor);
BUG_ON(seen->pos.snapshot != ancestor);
if (id == ancestor)
if (!bch2_snapshot_is_ancestor(c, id, ancestor))
return false;
- for (i = seen->nr - 2;
- i >= 0 && seen->d[i] >= id;
+ for (i = seen->ids.nr - 2;
+ i >= 0 && seen->ids.data[i] >= id;
--i)
- if (bch2_snapshot_is_ancestor(c, id, seen->d[i]) &&
- bch2_snapshot_is_ancestor(c, seen->d[i], ancestor))
+ if (bch2_snapshot_is_ancestor(c, id, seen->ids.data[i]) &&
+ bch2_snapshot_is_ancestor(c, seen->ids.data[i], ancestor))
return false;
return true;
}
#define for_each_visible_inode(_c, _s, _w, _snapshot, _i) \
- for (_i = (_w)->d; _i < (_w)->d + (_w)->nr && (_i)->snapshot <= (_snapshot); _i++)\
+ for (_i = (_w)->inodes.data; _i < (_w)->inodes.data + (_w)->inodes.nr && (_i)->snapshot <= (_snapshot); _i++)\
if (key_visible_in_snapshot(_c, _s, _i->snapshot, _snapshot))
+struct inode_walker_entry {
+ struct bch_inode_unpacked inode;
+ u32 snapshot;
+ u64 count;
+};
+
struct inode_walker {
bool first_this_inode;
u64 cur_inum;
- size_t nr;
- size_t size;
- struct inode_walker_entry {
- struct bch_inode_unpacked inode;
- u32 snapshot;
- u64 count;
- } *d;
+ DARRAY(struct inode_walker_entry) inodes;
};
static void inode_walker_exit(struct inode_walker *w)
{
- kfree(w->d);
- w->d = NULL;
+ darray_exit(&w->inodes);
}
static struct inode_walker inode_walker_init(void)
return (struct inode_walker) { 0, };
}
-static int inode_walker_realloc(struct bch_fs *c, struct inode_walker *w)
-{
- if (w->nr == w->size) {
- size_t new_size = max_t(size_t, 8UL, w->size * 2);
- void *d = krealloc(w->d, new_size * sizeof(w->d[0]),
- GFP_KERNEL);
- if (!d) {
- bch_err(c, "fsck: error allocating memory for inode_walker, size %zu",
- new_size);
- return -ENOMEM;
- }
-
- w->d = d;
- w->size = new_size;
- }
-
- return 0;
-}
-
static int add_inode(struct bch_fs *c, struct inode_walker *w,
struct bkey_s_c inode)
{
struct bch_inode_unpacked u;
- int ret;
-
- ret = inode_walker_realloc(c, w);
- if (ret)
- return ret;
BUG_ON(bch2_inode_unpack(inode, &u));
- w->d[w->nr++] = (struct inode_walker_entry) {
+ return darray_push(&w->inodes, ((struct inode_walker_entry) {
.inode = u,
.snapshot = snapshot_t(c, inode.k->p.snapshot)->equiv,
- };
-
- return 0;
+ }));
}
static int __walk_inode(struct btree_trans *trans,
goto lookup_snapshot;
}
- w->nr = 0;
+ w->inodes.nr = 0;
for_each_btree_key(trans, iter, BTREE_ID_inodes, POS(0, pos.inode),
BTREE_ITER_ALL_SNAPSHOTS, k, ret) {
w->cur_inum = pos.inode;
w->first_this_inode = true;
lookup_snapshot:
- for (i = 0; i < w->nr; i++)
- if (bch2_snapshot_is_ancestor(c, pos.snapshot, w->d[i].snapshot))
+ for (i = 0; i < w->inodes.nr; i++)
+ if (bch2_snapshot_is_ancestor(c, pos.snapshot, w->inodes.data[i].snapshot))
goto found;
return INT_MAX;
found:
- BUG_ON(pos.snapshot > w->d[i].snapshot);
+ BUG_ON(pos.snapshot > w->inodes.data[i].snapshot);
- if (pos.snapshot != w->d[i].snapshot) {
+ if (pos.snapshot != w->inodes.data[i].snapshot) {
ancestor_pos = i;
- while (i && w->d[i - 1].snapshot > pos.snapshot)
+ while (i && w->inodes.data[i - 1].snapshot > pos.snapshot)
--i;
- ret = inode_walker_realloc(c, w);
+ ret = darray_insert_item(&w->inodes, i, w->inodes.data[ancestor_pos]);
if (ret)
return ret;
- array_insert_item(w->d, w->nr, i, w->d[ancestor_pos]);
- w->d[i].snapshot = pos.snapshot;
- w->d[i].count = 0;
+ w->inodes.data[i].snapshot = pos.snapshot;
+ w->inodes.data[i].count = 0;
}
return i;
struct bkey_s_c k;
int ret;
- w->nr = 0;
+ w->inodes.nr = 0;
for_each_btree_key(trans, iter, BTREE_ID_inodes, POS(0, inum),
BTREE_ITER_ALL_SNAPSHOTS, k, ret) {
struct bkey_s_c k)
{
struct bch_fs *c = trans->c;
- char buf[200];
+ struct printbuf buf = PRINTBUF;
int ret = 0;
if (mustfix_fsck_err_on(!snapshot_t(c, k.k->p.snapshot)->equiv, c,
"key in missing snapshot: %s",
- (bch2_bkey_val_to_text(&PBUF(buf), c, k), buf)))
- return bch2_btree_delete_at(trans, iter,
+ (bch2_bkey_val_to_text(&buf, c, k), buf.buf)))
+ ret = bch2_btree_delete_at(trans, iter,
BTREE_UPDATE_INTERNAL_SNAPSHOT_NODE) ?: 1;
fsck_err:
+ printbuf_exit(&buf);
return ret;
}
{
struct bch_fs *c = trans->c;
struct btree_iter iter = { NULL };
- char buf[200];
+ struct printbuf buf = PRINTBUF;
struct bkey_s_c k;
u64 hash;
int ret = 0;
if (hash_k.k->p.offset < hash)
goto bad_hash;
- for_each_btree_key(trans, iter, desc.btree_id, POS(hash_k.k->p.inode, hash),
- BTREE_ITER_SLOTS, k, ret) {
+ for_each_btree_key_norestart(trans, iter, desc.btree_id,
+ POS(hash_k.k->p.inode, hash),
+ BTREE_ITER_SLOTS, k, ret) {
if (!bkey_cmp(k.k->p, hash_k.k->p))
break;
if (fsck_err_on(k.k->type == desc.key_type &&
!desc.cmp_bkey(k, hash_k), c,
"duplicate hash table keys:\n%s",
- (bch2_bkey_val_to_text(&PBUF(buf), c,
- hash_k), buf))) {
+ (printbuf_reset(&buf),
+ bch2_bkey_val_to_text(&buf, c, hash_k),
+ buf.buf))) {
ret = bch2_hash_delete_at(trans, desc, hash_info, k_iter, 0) ?: 1;
break;
}
bch2_trans_iter_exit(trans, &iter);
goto bad_hash;
}
-
}
+out:
bch2_trans_iter_exit(trans, &iter);
+ printbuf_exit(&buf);
return ret;
bad_hash:
- if (fsck_err(c, "hash table key at wrong offset: btree %u inode %llu offset %llu, "
+ if (fsck_err(c, "hash table key at wrong offset: btree %s inode %llu offset %llu, "
"hashed to %llu\n%s",
- desc.btree_id, hash_k.k->p.inode, hash_k.k->p.offset, hash,
- (bch2_bkey_val_to_text(&PBUF(buf), c, hash_k), buf)) == FSCK_ERR_IGNORE)
+ bch2_btree_ids[desc.btree_id], hash_k.k->p.inode, hash_k.k->p.offset, hash,
+ (printbuf_reset(&buf),
+ bch2_bkey_val_to_text(&buf, c, hash_k), buf.buf)) == FSCK_ERR_IGNORE)
return 0;
ret = hash_redo_key(trans, desc, hash_info, k_iter, hash_k);
bch_err(c, "hash_redo_key err %i", ret);
return ret;
}
- return -EINTR;
+ ret = -EINTR;
fsck_err:
- return ret;
+ goto out;
}
static int check_inode(struct btree_trans *trans,
return ret;
ret = check_key_has_snapshot(trans, iter, k);
+ if (ret < 0)
+ goto err;
if (ret)
- return ret < 0 ? ret : 0;
+ return 0;
/*
* if snapshot id isn't a leaf node, skip it - deletion in
bch_err(c, "error in fsck: error %i "
"updating inode", ret);
}
+err:
fsck_err:
+ if (ret)
+ bch_err(c, "error %i from check_inode()", ret);
return ret;
}
bch2_trans_iter_exit(&trans, &iter);
bch2_trans_exit(&trans);
+ if (ret)
+ bch_err(c, "error %i from check_inodes()", ret);
return ret;
}
SPOS(inode->bi_dir, inode->bi_dir_offset, snapshot));
ret = bkey_err(d.s_c);
if (ret)
- return ret;
+ return ret == -ENOENT ? 0 : ret;
ret = dirent_points_to_inode(d, inode);
bch2_trans_iter_exit(trans, &iter);
int ret = 0, ret2 = 0;
s64 count2;
- for (i = w->d; i < w->d + w->nr; i++) {
+ darray_for_each(w->inodes, i) {
if (i->inode.bi_sectors == i->count)
continue;
ret2 = -EINTR;
}
fsck_err:
+ if (ret)
+ bch_err(c, "error %i from check_i_sectors()", ret);
return ret ?: ret2;
}
struct bch_fs *c = trans->c;
struct bkey_s_c k;
struct inode_walker_entry *i;
- char buf[200];
+ struct printbuf buf = PRINTBUF;
int ret = 0;
-
+peek:
k = bch2_btree_iter_peek(iter);
if (!k.k)
- return 0;
+ goto out;
ret = bkey_err(k);
if (ret)
- return ret;
+ goto err;
ret = check_key_has_snapshot(trans, iter, k);
- if (ret)
- return ret < 0 ? ret : 0;
+ if (ret) {
+ ret = ret < 0 ? ret : 0;
+ goto out;
+ }
ret = snapshots_seen_update(c, s, k.k->p);
if (ret)
- return ret;
+ goto err;
if (k.k->type == KEY_TYPE_whiteout)
- return 0;
+ goto out;
if (inode->cur_inum != k.k->p.inode) {
ret = check_i_sectors(trans, inode);
if (ret)
- return ret;
+ goto err;
+ }
+
+ if (!iter->path->should_be_locked) {
+ /*
+ * hack: check_i_sectors may have handled a transaction restart,
+ * it shouldn't be but we need to fix the new i_sectors check
+ * code and delete the old bch2_count_inode_sectors() first
+ */
+ goto peek;
}
#if 0
if (bkey_cmp(prev.k->k.p, bkey_start_pos(k.k)) > 0) {
bch2_bkey_val_to_text(&PBUF(buf1), c, bkey_i_to_s_c(prev.k));
bch2_bkey_val_to_text(&PBUF(buf2), c, k);
- if (fsck_err(c, "overlapping extents:\n%s\n%s", buf1, buf2))
- return fix_overlapping_extent(trans, k, prev.k->k.p) ?: -EINTR;
+ if (fsck_err(c, "overlapping extents:\n%s\n%s", buf1, buf2)) {
+ ret = fix_overlapping_extent(trans, k, prev.k->k.p) ?: -EINTR;
+ goto out;
+ }
}
#endif
ret = __walk_inode(trans, inode, k.k->p);
if (ret < 0)
- return ret;
+ goto err;
if (fsck_err_on(ret == INT_MAX, c,
"extent in missing inode:\n %s",
- (bch2_bkey_val_to_text(&PBUF(buf), c, k), buf)))
- return bch2_btree_delete_at(trans, iter,
+ (printbuf_reset(&buf),
+ bch2_bkey_val_to_text(&buf, c, k), buf.buf))) {
+ ret = bch2_btree_delete_at(trans, iter,
BTREE_UPDATE_INTERNAL_SNAPSHOT_NODE);
+ goto out;
+ }
- if (ret == INT_MAX)
- return 0;
+ if (ret == INT_MAX) {
+ ret = 0;
+ goto out;
+ }
- i = inode->d + ret;
+ i = inode->inodes.data + ret;
ret = 0;
if (fsck_err_on(!S_ISREG(i->inode.bi_mode) &&
!S_ISLNK(i->inode.bi_mode), c,
"extent in non regular inode mode %o:\n %s",
i->inode.bi_mode,
- (bch2_bkey_val_to_text(&PBUF(buf), c, k), buf)))
- return bch2_btree_delete_at(trans, iter,
+ (printbuf_reset(&buf),
+ bch2_bkey_val_to_text(&buf, c, k), buf.buf))) {
+ ret = bch2_btree_delete_at(trans, iter,
BTREE_UPDATE_INTERNAL_SNAPSHOT_NODE);
+ goto out;
+ }
if (!bch2_snapshot_internal_node(c, k.k->p.snapshot)) {
for_each_visible_inode(c, s, inode, k.k->p.snapshot, i) {
"extent type %u offset %llu past end of inode %llu, i_size %llu",
k.k->type, k.k->p.offset, k.k->p.inode, i->inode.bi_size)) {
bch2_fs_lazy_rw(c);
- return bch2_btree_delete_range_trans(trans, BTREE_ID_extents,
+ ret = bch2_btree_delete_range_trans(trans, BTREE_ID_extents,
SPOS(k.k->p.inode, round_up(i->inode.bi_size, block_bytes(c)) >> 9,
k.k->p.snapshot),
POS(k.k->p.inode, U64_MAX),
0, NULL) ?: -EINTR;
+ goto out;
}
}
}
bch2_bkey_buf_reassemble(&prev, c, k);
#endif
+out:
+err:
fsck_err:
+ printbuf_exit(&buf);
+
+ if (ret && ret != -EINTR)
+ bch_err(c, "error %i from check_extent()", ret);
return ret;
}
bch2_trans_exit(&trans);
snapshots_seen_exit(&s);
+ if (ret)
+ bch_err(c, "error %i from check_extents()", ret);
return ret;
}
int ret = 0, ret2 = 0;
s64 count2;
- for (i = w->d; i < w->d + w->nr; i++) {
+ darray_for_each(w->inodes, i) {
if (i->inode.bi_nlink == i->count)
continue;
}
}
fsck_err:
+ if (ret)
+ bch_err(c, "error %i from check_subdir_count()", ret);
return ret ?: ret2;
}
struct bch_fs *c = trans->c;
struct bkey_i_dirent *n;
bool backpointer_exists = true;
- char buf[200];
+ struct printbuf buf = PRINTBUF;
int ret = 0;
if (!target->bi_dir &&
"directory %llu with multiple links",
target->bi_inum)) {
ret = __remove_dirent(trans, d.k->p);
- if (ret)
- goto err;
- return 0;
+ goto out;
}
if (fsck_err_on(backpointer_exists &&
!target->bi_nlink, c,
- "inode %llu has multiple links but i_nlink 0",
- target->bi_inum)) {
+ "inode %llu type %s has multiple links but i_nlink 0",
+ target->bi_inum, bch2_d_types[d.v->d_type])) {
target->bi_nlink++;
target->bi_flags &= ~BCH_INODE_UNLINKED;
"incorrect d_type: got %s, should be %s:\n%s",
bch2_d_type_str(d.v->d_type),
bch2_d_type_str(inode_d_type(target)),
- (bch2_bkey_val_to_text(&PBUF(buf), c, d.s_c), buf))) {
+ (printbuf_reset(&buf),
+ bch2_bkey_val_to_text(&buf, c, d.s_c), buf.buf))) {
n = bch2_trans_kmalloc(trans, bkey_bytes(d.k));
ret = PTR_ERR_OR_ZERO(n);
if (ret)
- return ret;
+ goto err;
bkey_reassemble(&n->k_i, d.s_c);
n->v.d_type = inode_d_type(target);
ret = bch2_trans_update(trans, iter, &n->k_i, 0);
if (ret)
- return ret;
+ goto err;
d = dirent_i_to_s_c(n);
}
n = bch2_trans_kmalloc(trans, bkey_bytes(d.k));
ret = PTR_ERR_OR_ZERO(n);
if (ret)
- return ret;
+ goto err;
bkey_reassemble(&n->k_i, d.s_c);
n->v.d_parent_subvol = cpu_to_le32(target->bi_parent_subvol);
ret = bch2_trans_update(trans, iter, &n->k_i, 0);
if (ret)
- return ret;
+ goto err;
d = dirent_i_to_s_c(n);
}
+out:
err:
fsck_err:
+ printbuf_exit(&buf);
+
+ if (ret && ret != -EINTR)
+ bch_err(c, "error %i from check_target()", ret);
return ret;
}
struct bkey_s_c k;
struct bkey_s_c_dirent d;
struct inode_walker_entry *i;
- char buf[200];
- int ret;
-
+ struct printbuf buf = PRINTBUF;
+ int ret = 0;
+peek:
k = bch2_btree_iter_peek(iter);
if (!k.k)
- return 0;
+ goto out;
ret = bkey_err(k);
if (ret)
- return ret;
+ goto err;
ret = check_key_has_snapshot(trans, iter, k);
- if (ret)
- return ret < 0 ? ret : 0;
+ if (ret) {
+ ret = ret < 0 ? ret : 0;
+ goto out;
+ }
ret = snapshots_seen_update(c, s, k.k->p);
if (ret)
- return ret;
+ goto err;
if (k.k->type == KEY_TYPE_whiteout)
- return 0;
+ goto out;
if (dir->cur_inum != k.k->p.inode) {
ret = check_subdir_count(trans, dir);
if (ret)
- return ret;
+ goto err;
+ }
+
+ if (!iter->path->should_be_locked) {
+ /* hack: see check_extent() */
+ goto peek;
}
ret = __walk_inode(trans, dir, k.k->p);
if (ret < 0)
- return ret;
+ goto err;
if (fsck_err_on(ret == INT_MAX, c,
"dirent in nonexisting directory:\n%s",
- (bch2_bkey_val_to_text(&PBUF(buf), c, k), buf)))
- return bch2_btree_delete_at(trans, iter,
+ (printbuf_reset(&buf),
+ bch2_bkey_val_to_text(&buf, c, k), buf.buf))) {
+ ret = bch2_btree_delete_at(trans, iter,
BTREE_UPDATE_INTERNAL_SNAPSHOT_NODE);
+ goto out;
+ }
- if (ret == INT_MAX)
- return 0;
+ if (ret == INT_MAX) {
+ ret = 0;
+ goto out;
+ }
- i = dir->d + ret;
+ i = dir->inodes.data + ret;
ret = 0;
if (fsck_err_on(!S_ISDIR(i->inode.bi_mode), c,
"dirent in non directory inode type %s:\n%s",
bch2_d_type_str(inode_d_type(&i->inode)),
- (bch2_bkey_val_to_text(&PBUF(buf), c, k), buf)))
- return bch2_btree_delete_at(trans, iter, 0);
+ (printbuf_reset(&buf),
+ bch2_bkey_val_to_text(&buf, c, k), buf.buf))) {
+ ret = bch2_btree_delete_at(trans, iter, 0);
+ goto out;
+ }
if (dir->first_this_inode)
- *hash_info = bch2_hash_info_init(c, &dir->d[0].inode);
+ *hash_info = bch2_hash_info_init(c, &dir->inodes.data[0].inode);
ret = hash_check_key(trans, bch2_dirent_hash_desc,
hash_info, iter, k);
if (ret < 0)
- return ret;
- if (ret) /* dirent has been deleted */
- return 0;
+ goto err;
+ if (ret) {
+ /* dirent has been deleted */
+ ret = 0;
+ goto out;
+ }
if (k.k->type != KEY_TYPE_dirent)
- return 0;
+ goto out;
d = bkey_s_c_to_dirent(k);
ret = __subvol_lookup(trans, target_subvol,
&target_snapshot, &target_inum);
if (ret && ret != -ENOENT)
- return ret;
+ goto err;
if (fsck_err_on(ret, c,
"dirent points to missing subvolume %llu",
- le64_to_cpu(d.v->d_child_subvol)))
- return __remove_dirent(trans, d.k->p);
+ le64_to_cpu(d.v->d_child_subvol))) {
+ ret = __remove_dirent(trans, d.k->p);
+ goto err;
+ }
ret = __lookup_inode(trans, target_inum,
&subvol_root, &target_snapshot);
if (ret && ret != -ENOENT)
- return ret;
+ goto err;
if (fsck_err_on(ret, c,
"subvolume %u points to missing subvolume root %llu",
target_subvol,
target_inum)) {
bch_err(c, "repair not implemented yet");
- return -EINVAL;
+ ret = -EINVAL;
+ goto err;
}
if (fsck_err_on(subvol_root.bi_subvol != target_subvol, c,
subvol_root.bi_subvol = target_subvol;
ret = __write_inode(trans, &subvol_root, target_snapshot);
if (ret)
- return ret;
+ goto err;
}
ret = check_dirent_target(trans, iter, d, &subvol_root,
target_snapshot);
if (ret)
- return ret;
+ goto err;
} else {
ret = __get_visible_inodes(trans, target, s, le64_to_cpu(d.v->d_inum));
if (ret)
- return ret;
+ goto err;
- if (fsck_err_on(!target->nr, c,
+ if (fsck_err_on(!target->inodes.nr, c,
"dirent points to missing inode:\n%s",
- (bch2_bkey_val_to_text(&PBUF(buf), c,
- k), buf))) {
+ (printbuf_reset(&buf),
+ bch2_bkey_val_to_text(&buf, c, k),
+ buf.buf))) {
ret = __remove_dirent(trans, d.k->p);
if (ret)
- return ret;
+ goto err;
}
- for (i = target->d; i < target->d + target->nr; i++) {
+ darray_for_each(target->inodes, i) {
ret = check_dirent_target(trans, iter, d,
&i->inode, i->snapshot);
if (ret)
- return ret;
+ goto err;
}
}
for_each_visible_inode(c, s, dir, d.k->p.snapshot, i)
i->count++;
+out:
+err:
fsck_err:
+ printbuf_exit(&buf);
+
+ if (ret && ret != -EINTR)
+ bch_err(c, "error %i from check_dirent()", ret);
return ret;
}
snapshots_seen_exit(&s);
inode_walker_exit(&dir);
inode_walker_exit(&target);
+
+ if (ret)
+ bch_err(c, "error %i from check_dirents()", ret);
return ret;
}
ret = 0;
if (inode->first_this_inode)
- *hash_info = bch2_hash_info_init(c, &inode->d[0].inode);
+ *hash_info = bch2_hash_info_init(c, &inode->inodes.data[0].inode);
ret = hash_check_key(trans, bch2_xattr_hash_desc, hash_info, iter, k);
fsck_err:
+ if (ret && ret != -EINTR)
+ bch_err(c, "error %i from check_xattr()", ret);
return ret;
}
bch2_trans_iter_exit(&trans, &iter);
bch2_trans_exit(&trans);
+
+ if (ret)
+ bch_err(c, "error %i from check_xattrs()", ret);
return ret;
}
check_root_trans(&trans));
}
-struct pathbuf {
- size_t nr;
- size_t size;
-
- struct pathbuf_entry {
- u64 inum;
- u32 snapshot;
- } *entries;
+struct pathbuf_entry {
+ u64 inum;
+ u32 snapshot;
};
-static bool path_is_dup(struct pathbuf *p, u64 inum, u32 snapshot)
+typedef DARRAY(struct pathbuf_entry) pathbuf;
+
+static bool path_is_dup(pathbuf *p, u64 inum, u32 snapshot)
{
struct pathbuf_entry *i;
- for (i = p->entries; i < p->entries + p->nr; i++)
+ darray_for_each(*p, i)
if (i->inum == inum &&
i->snapshot == snapshot)
return true;
return false;
}
-static int path_down(struct bch_fs *c, struct pathbuf *p,
+static int path_down(struct bch_fs *c, pathbuf *p,
u64 inum, u32 snapshot)
{
- if (p->nr == p->size) {
- size_t new_size = max_t(size_t, 256UL, p->size * 2);
- void *n = krealloc(p->entries,
- new_size * sizeof(p->entries[0]),
- GFP_KERNEL);
- if (!n) {
- bch_err(c, "fsck: error allocating memory for pathbuf, size %zu",
- new_size);
- return -ENOMEM;
- }
-
- p->entries = n;
- p->size = new_size;
- };
-
- p->entries[p->nr++] = (struct pathbuf_entry) {
+ int ret = darray_push(p, ((struct pathbuf_entry) {
.inum = inum,
.snapshot = snapshot,
- };
- return 0;
+ }));
+
+ if (ret)
+ bch_err(c, "fsck: error allocating memory for pathbuf, size %zu",
+ p->size);
+ return ret;
}
/*
* XXX: we should also be verifying that inodes are in the right subvolumes
*/
static int check_path(struct btree_trans *trans,
- struct pathbuf *p,
+ pathbuf *p,
struct bch_inode_unpacked *inode,
u32 snapshot)
{
/* XXX print path */
bch_err(c, "directory structure loop");
- for (i = p->entries; i < p->entries + p->nr; i++)
+ darray_for_each(*p, i)
pr_err("%llu:%u", i->inum, i->snapshot);
pr_err("%llu:%u", inode->bi_inum, snapshot);
struct btree_iter iter;
struct bkey_s_c k;
struct bch_inode_unpacked u;
- struct pathbuf path = { 0, 0, NULL };
+ pathbuf path = { 0, };
int ret;
bch2_trans_init(&trans, c, BTREE_ITER_MAX, 0);
BUG_ON(ret == -EINTR);
- kfree(path.entries);
+ darray_exit(&path);
bch2_trans_exit(&trans);
return ret;
}
if (fsck_err_on(bch2_inode_nlink_get(&u) != link->count, c,
- "inode %llu has wrong i_nlink (type %u i_nlink %u, should be %u)",
- u.bi_inum, mode_to_type(u.bi_mode),
+ "inode %llu type %s has wrong i_nlink (%u, should be %u)",
+ u.bi_inum, bch2_d_types[mode_to_type(u.bi_mode)],
bch2_inode_nlink_get(&u), link->count)) {
bch2_inode_nlink_set(&u, link->count);
projects / bcachefs-tools-debian / blobdiff