#include "bcachefs.h"
#include "bkey_buf.h"
+#include "btree_cache.h"
#include "btree_update.h"
#include "buckets.h"
#include "darray.h"
#include "fsck.h"
#include "inode.h"
#include "keylist.h"
-#include "subvolume.h"
+#include "recovery.h"
+#include "snapshot.h"
#include "super.h"
#include "xattr.h"
if (!ret)
*subvol = le32_to_cpu(s.subvol);
else if (bch2_err_matches(ret, ENOENT))
- bch_err(trans->c, "snapshot %u not fonud", snapshot);
+ bch_err(trans->c, "snapshot %u not found", snapshot);
return ret;
}
ret = bch2_inode_unpack(k, inode);
err:
- if (ret && !bch2_err_matches(ret, BCH_ERR_transaction_restart))
- bch_err(trans->c, "error fetching inode %llu: %s",
- inode_nr, bch2_err_str(ret));
+ bch_err_msg(trans->c, ret, "fetching inode %llu", inode_nr);
bch2_trans_iter_exit(trans, &iter);
return ret;
}
if (!ret)
*snapshot = iter.pos.snapshot;
err:
- if (ret && !bch2_err_matches(ret, BCH_ERR_transaction_restart))
- bch_err(trans->c, "error fetching inode %llu:%u: %s",
- inode_nr, *snapshot, bch2_err_str(ret));
+ bch_err_msg(trans->c, ret, "fetching inode %llu:%u", inode_nr, *snapshot);
bch2_trans_iter_exit(trans, &iter);
return ret;
}
BTREE_UPDATE_INTERNAL_SNAPSHOT_NODE);
}
-static int write_inode(struct btree_trans *trans,
- struct bch_inode_unpacked *inode,
- u32 snapshot)
+static int fsck_write_inode(struct btree_trans *trans,
+ struct bch_inode_unpacked *inode,
+ u32 snapshot)
{
int ret = commit_do(trans, NULL, NULL,
- BTREE_INSERT_NOFAIL|
- BTREE_INSERT_LAZY_RW,
+ BCH_TRANS_COMMIT_no_enospc|
+ BCH_TRANS_COMMIT_lazy_rw,
__write_inode(trans, inode, snapshot));
if (ret)
- bch_err(trans->c, "error in fsck: error updating inode: %s",
- bch2_err_str(ret));
+ bch_err_fn(trans->c, ret);
return ret;
}
BTREE_UPDATE_INTERNAL_SNAPSHOT_NODE);
bch2_trans_iter_exit(trans, &iter);
err:
- if (ret && !bch2_err_matches(ret, BCH_ERR_transaction_restart))
- bch_err_fn(c, ret);
+ bch_err_fn(c, ret);
return ret;
}
goto create_lostfound;
}
- if (ret && !bch2_err_matches(ret, BCH_ERR_transaction_restart))
- bch_err(c, "error looking up lost+found: %s", bch2_err_str(ret));
+ bch_err_fn(c, ret);
if (ret)
return ret;
if (d_type != DT_DIR) {
bch_err(c, "error looking up lost+found: not a directory");
- return ret;
+ return -BCH_ERR_ENOENT_not_directory;
}
/*
lostfound, &lostfound_str,
0, 0, S_IFDIR|0700, 0, NULL, NULL,
(subvol_inum) { }, 0);
- if (ret && !bch2_err_matches(ret, BCH_ERR_transaction_restart))
- bch_err(c, "error creating lost+found: %s", bch2_err_str(ret));
+ bch_err_msg(c, ret, "creating lost+found");
return ret;
}
u32 inode_snapshot)
{
int ret = commit_do(trans, NULL, NULL,
- BTREE_INSERT_LAZY_RW|
- BTREE_INSERT_NOFAIL,
+ BCH_TRANS_COMMIT_lazy_rw|
+ BCH_TRANS_COMMIT_no_enospc,
__reattach_inode(trans, inode, inode_snapshot));
- if (ret) {
- bch_err(trans->c, "error reattaching inode %llu: %s",
- inode->bi_inum, bch2_err_str(ret));
- return ret;
- }
-
+ bch_err_msg(trans->c, ret, "reattaching inode %llu", inode->bi_inum);
return ret;
}
memset(s, 0, sizeof(*s));
}
+static int snapshots_seen_add_inorder(struct bch_fs *c, struct snapshots_seen *s, u32 id)
+{
+ struct snapshots_seen_entry *i, n = {
+ .id = id,
+ .equiv = bch2_snapshot_equiv(c, id),
+ };
+ int ret = 0;
+
+ darray_for_each(s->ids, i) {
+ if (i->id == id)
+ return 0;
+ if (i->id > id)
+ break;
+ }
+
+ ret = darray_insert_item(&s->ids, i - s->ids.data, n);
+ if (ret)
+ bch_err(c, "error reallocating snapshots_seen table (size %zu)",
+ s->ids.size);
+ return ret;
+}
+
static int snapshots_seen_update(struct bch_fs *c, struct snapshots_seen *s,
enum btree_id btree_id, struct bpos pos)
{
if (i->equiv == n.equiv) {
bch_err(c, "snapshot deletion did not finish:\n"
" duplicate keys in btree %s at %llu:%llu snapshots %u, %u (equiv %u)\n",
- bch2_btree_ids[btree_id],
+ bch2_btree_id_str(btree_id),
pos.inode, pos.offset,
i->id, n.id, n.equiv);
+ set_bit(BCH_FS_NEED_DELETE_DEAD_SNAPSHOTS, &c->flags);
return bch2_run_explicit_recovery_pass(c, BCH_RECOVERY_PASS_delete_dead_snapshots);
}
}
* key_visible_in_snapshot - returns true if @id is a descendent of @ancestor,
* and @ancestor hasn't been overwritten in @seen
*
- * That is, returns whether key in @ancestor snapshot is visible in @id snapshot
+ * @c: filesystem handle
+ * @seen: list of snapshot ids already seen at current position
+ * @id: descendent snapshot id
+ * @ancestor: ancestor snapshot id
+ *
+ * Returns: whether key in @ancestor snapshot is visible in @id snapshot
*/
static bool key_visible_in_snapshot(struct bch_fs *c, struct snapshots_seen *seen,
u32 id, u32 ancestor)
* snapshot id @dst, test whether there is some snapshot in which @dst is
* visible.
*
- * This assumes we're visiting @src keys in natural key order.
+ * @c: filesystem handle
+ * @s: list of snapshot IDs already seen at @src
+ * @src: snapshot ID of src key
+ * @dst: snapshot ID of dst key
+ * Returns: true if there is some snapshot in which @dst is visible
*
- * @s - list of snapshot IDs already seen at @src
- * @src - snapshot ID of src key
- * @dst - snapshot ID of dst key
+ * Assumes we're visiting @src keys in natural key order
*/
-static int ref_visible(struct bch_fs *c, struct snapshots_seen *s,
- u32 src, u32 dst)
+static bool ref_visible(struct bch_fs *c, struct snapshots_seen *s,
+ u32 src, u32 dst)
{
return dst <= src
? key_visible_in_snapshot(c, s, dst, src)
w->first_this_inode = true;
- if (trans_was_restarted(trans, restart_count))
- return -BCH_ERR_transaction_restart_nested;
-
- return 0;
+ return trans_was_restarted(trans, restart_count);
}
static struct inode_walker_entry *
int ret = 0;
if (mustfix_fsck_err_on(!bch2_snapshot_equiv(c, k.k->p.snapshot), c,
- "key in missing snapshot: %s",
- (bch2_bkey_val_to_text(&buf, c, k), buf.buf)))
+ bkey_in_missing_snapshot,
+ "key in missing snapshot: %s",
+ (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:
BCH_HASH_SET_MUST_CREATE,
BTREE_UPDATE_INTERNAL_SNAPSHOT_NODE) ?:
bch2_trans_commit(trans, NULL, NULL,
- BTREE_INSERT_NOFAIL|
- BTREE_INSERT_LAZY_RW);
+ BCH_TRANS_COMMIT_no_enospc|
+ BCH_TRANS_COMMIT_lazy_rw);
}
static int hash_check_key(struct btree_trans *trans,
if (fsck_err_on(k.k->type == desc.key_type &&
!desc.cmp_bkey(k, hash_k), c,
+ hash_table_key_duplicate,
"duplicate hash table keys:\n%s",
(printbuf_reset(&buf),
bch2_bkey_val_to_text(&buf, c, hash_k),
printbuf_exit(&buf);
return ret;
bad_hash:
- if (fsck_err(c, "hash table key at wrong offset: btree %s inode %llu offset %llu, hashed to %llu\n%s",
- bch2_btree_ids[desc.btree_id], hash_k.k->p.inode, hash_k.k->p.offset, hash,
+ if (fsck_err(c, hash_table_key_wrong_offset,
+ "hash table key at wrong offset: btree %s inode %llu offset %llu, hashed to %llu\n%s",
+ bch2_btree_id_str(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))) {
ret = hash_redo_key(trans, desc, hash_info, k_iter, hash_k);
- if (ret && !bch2_err_matches(ret, BCH_ERR_transaction_restart))
- bch_err(c, "hash_redo_key err %s", bch2_err_str(ret));
+ bch_err_fn(c, ret);
if (ret)
return ret;
ret = -BCH_ERR_transaction_restart_nested;
if (ret)
goto err;
- /*
- * if snapshot id isn't a leaf node, skip it - deletion in
- * particular is not atomic, so on the internal snapshot nodes
- * we can see inodes marked for deletion after a clean shutdown
- */
- if (bch2_snapshot_is_internal_node(c, k.k->p.snapshot))
- return 0;
-
if (!bkey_is_inode(k.k))
return 0;
BUG_ON(bch2_inode_unpack(k, &u));
if (!full &&
- !(u.bi_flags & (BCH_INODE_I_SIZE_DIRTY|
- BCH_INODE_I_SECTORS_DIRTY|
- BCH_INODE_UNLINKED)))
+ !(u.bi_flags & (BCH_INODE_i_size_dirty|
+ BCH_INODE_i_sectors_dirty|
+ BCH_INODE_unlinked)))
return 0;
if (prev->bi_inum != u.bi_inum)
*prev = u;
if (fsck_err_on(prev->bi_hash_seed != u.bi_hash_seed ||
- inode_d_type(prev) != inode_d_type(&u), c,
+ inode_d_type(prev) != inode_d_type(&u),
+ c, inode_snapshot_mismatch,
"inodes in different snapshots don't match")) {
bch_err(c, "repair not implemented yet");
return -EINVAL;
}
- if (u.bi_flags & BCH_INODE_UNLINKED &&
+ if ((u.bi_flags & (BCH_INODE_i_size_dirty|BCH_INODE_unlinked)) &&
+ bch2_key_has_snapshot_overwrites(trans, BTREE_ID_inodes, k.k->p)) {
+ struct bpos new_min_pos;
+
+ ret = bch2_propagate_key_to_snapshot_leaves(trans, iter->btree_id, k, &new_min_pos);
+ if (ret)
+ goto err;
+
+ u.bi_flags &= ~BCH_INODE_i_size_dirty|BCH_INODE_unlinked;
+
+ ret = __write_inode(trans, &u, iter->pos.snapshot);
+ bch_err_msg(c, ret, "in fsck updating inode");
+ if (ret)
+ return ret;
+
+ if (!bpos_eq(new_min_pos, POS_MIN))
+ bch2_btree_iter_set_pos(iter, bpos_predecessor(new_min_pos));
+ return 0;
+ }
+
+ if (u.bi_flags & BCH_INODE_unlinked &&
(!c->sb.clean ||
- fsck_err(c, "filesystem marked clean, but inode %llu unlinked",
+ fsck_err(c, inode_unlinked_but_clean,
+ "filesystem marked clean, but inode %llu unlinked",
u.bi_inum))) {
bch2_trans_unlock(trans);
bch2_fs_lazy_rw(c);
ret = bch2_inode_rm_snapshot(trans, u.bi_inum, iter->pos.snapshot);
- if (ret && !bch2_err_matches(ret, BCH_ERR_transaction_restart))
- bch_err(c, "error in fsck: error while deleting inode: %s",
- bch2_err_str(ret));
+ bch_err_msg(c, ret, "in fsck deleting inode");
return ret;
}
- if (u.bi_flags & BCH_INODE_I_SIZE_DIRTY &&
+ if (u.bi_flags & BCH_INODE_i_size_dirty &&
(!c->sb.clean ||
- fsck_err(c, "filesystem marked clean, but inode %llu has i_size dirty",
+ fsck_err(c, inode_i_size_dirty_but_clean,
+ "filesystem marked clean, but inode %llu has i_size dirty",
u.bi_inum))) {
bch_verbose(c, "truncating inode %llu", u.bi_inum);
iter->pos.snapshot),
POS(u.bi_inum, U64_MAX),
0, NULL);
- if (ret && !bch2_err_matches(ret, BCH_ERR_transaction_restart))
- bch_err(c, "error in fsck: error truncating inode: %s",
- bch2_err_str(ret));
+ bch_err_msg(c, ret, "in fsck truncating inode");
if (ret)
return ret;
* We truncated without our normal sector accounting hook, just
* make sure we recalculate it:
*/
- u.bi_flags |= BCH_INODE_I_SECTORS_DIRTY;
+ u.bi_flags |= BCH_INODE_i_sectors_dirty;
- u.bi_flags &= ~BCH_INODE_I_SIZE_DIRTY;
+ u.bi_flags &= ~BCH_INODE_i_size_dirty;
do_update = true;
}
- if (u.bi_flags & BCH_INODE_I_SECTORS_DIRTY &&
+ if (u.bi_flags & BCH_INODE_i_sectors_dirty &&
(!c->sb.clean ||
- fsck_err(c, "filesystem marked clean, but inode %llu has i_sectors dirty",
+ fsck_err(c, inode_i_sectors_dirty_but_clean,
+ "filesystem marked clean, but inode %llu has i_sectors dirty",
u.bi_inum))) {
s64 sectors;
sectors = bch2_count_inode_sectors(trans, u.bi_inum, iter->pos.snapshot);
if (sectors < 0) {
- bch_err(c, "error in fsck: error recounting inode sectors: %s",
- bch2_err_str(sectors));
+ bch_err_msg(c, sectors, "in fsck recounting inode sectors");
return sectors;
}
u.bi_sectors = sectors;
- u.bi_flags &= ~BCH_INODE_I_SECTORS_DIRTY;
+ u.bi_flags &= ~BCH_INODE_i_sectors_dirty;
do_update = true;
}
- if (u.bi_flags & BCH_INODE_BACKPTR_UNTRUSTED) {
+ if (u.bi_flags & BCH_INODE_backptr_untrusted) {
u.bi_dir = 0;
u.bi_dir_offset = 0;
- u.bi_flags &= ~BCH_INODE_BACKPTR_UNTRUSTED;
+ u.bi_flags &= ~BCH_INODE_backptr_untrusted;
do_update = true;
}
if (do_update) {
ret = __write_inode(trans, &u, iter->pos.snapshot);
+ bch_err_msg(c, ret, "in fsck updating inode");
if (ret)
- bch_err(c, "error in fsck: error updating inode: %s",
- bch2_err_str(ret));
+ return ret;
}
err:
fsck_err:
- if (ret)
- bch_err_fn(c, ret);
+ bch_err_fn(c, ret);
return ret;
}
int bch2_check_inodes(struct bch_fs *c)
{
bool full = c->opts.fsck;
- struct btree_trans trans;
+ struct btree_trans *trans = bch2_trans_get(c);
struct btree_iter iter;
struct bch_inode_unpacked prev = { 0 };
struct snapshots_seen s;
int ret;
snapshots_seen_init(&s);
- bch2_trans_init(&trans, c, BTREE_ITER_MAX, 0);
- ret = for_each_btree_key_commit(&trans, iter, BTREE_ID_inodes,
+ ret = for_each_btree_key_commit(trans, iter, BTREE_ID_inodes,
POS_MIN,
BTREE_ITER_PREFETCH|BTREE_ITER_ALL_SNAPSHOTS, k,
- NULL, NULL, BTREE_INSERT_LAZY_RW|BTREE_INSERT_NOFAIL,
- check_inode(&trans, &iter, k, &prev, &s, full));
+ NULL, NULL, BCH_TRANS_COMMIT_lazy_rw|BCH_TRANS_COMMIT_no_enospc,
+ check_inode(trans, &iter, k, &prev, &s, full));
- bch2_trans_exit(&trans);
snapshots_seen_exit(&s);
- if (ret)
- bch_err_fn(c, ret);
+ bch2_trans_put(trans);
+ bch_err_fn(c, ret);
return ret;
}
: le64_to_cpu(d.v->d_inum) == inode->bi_inum;
}
-static int inode_backpointer_exists(struct btree_trans *trans,
- struct bch_inode_unpacked *inode,
- u32 snapshot)
-{
- struct btree_iter iter;
- struct bkey_s_c_dirent d;
- int ret;
-
- d = dirent_get_by_pos(trans, &iter,
- SPOS(inode->bi_dir, inode->bi_dir_offset, snapshot));
- ret = bkey_err(d);
- if (ret)
- return bch2_err_matches(ret, ENOENT) ? 0 : ret;
-
- ret = dirent_points_to_inode(d, inode);
- bch2_trans_iter_exit(trans, &iter);
- return ret;
-}
-
static int check_i_sectors(struct btree_trans *trans, struct inode_walker *w)
{
struct bch_fs *c = trans->c;
return -BCH_ERR_internal_fsck_err;
}
- if (fsck_err_on(!(i->inode.bi_flags & BCH_INODE_I_SECTORS_DIRTY), c,
- "inode %llu:%u has incorrect i_sectors: got %llu, should be %llu",
- w->last_pos.inode, i->snapshot,
- i->inode.bi_sectors, i->count)) {
+ if (fsck_err_on(!(i->inode.bi_flags & BCH_INODE_i_sectors_dirty),
+ c, inode_i_sectors_wrong,
+ "inode %llu:%u has incorrect i_sectors: got %llu, should be %llu",
+ w->last_pos.inode, i->snapshot,
+ i->inode.bi_sectors, i->count)) {
i->inode.bi_sectors = i->count;
- ret = write_inode(trans, &i->inode, i->snapshot);
+ ret = fsck_write_inode(trans, &i->inode, i->snapshot);
if (ret)
break;
}
}
fsck_err:
- if (ret)
- bch_err_fn(c, ret);
- if (!ret && trans_was_restarted(trans, restart_count))
- ret = -BCH_ERR_transaction_restart_nested;
- return ret;
+ bch_err_fn(c, ret);
+ return ret ?: trans_was_restarted(trans, restart_count);
}
struct extent_end {
static int overlapping_extents_found(struct btree_trans *trans,
enum btree_id btree,
- struct bpos pos1, struct bkey pos2,
+ struct bpos pos1, struct snapshots_seen *pos1_seen,
+ struct bkey pos2,
bool *fixed,
struct extent_end *extent_end)
{
prt_printf(&buf, "\n overwriting %s extent",
pos1.snapshot >= pos2.p.snapshot ? "first" : "second");
- if (fsck_err(c, "overlapping extents%s", buf.buf)) {
+ if (fsck_err(c, extent_overlapping,
+ "overlapping extents%s", buf.buf)) {
struct btree_iter *old_iter = &iter1;
struct disk_reservation res = { 0 };
BTREE_UPDATE_INTERNAL_SNAPSHOT_NODE,
k1, k2) ?:
bch2_trans_commit(trans, &res, NULL,
- BTREE_INSERT_LAZY_RW|BTREE_INSERT_NOFAIL);
+ BCH_TRANS_COMMIT_lazy_rw|BCH_TRANS_COMMIT_no_enospc);
bch2_disk_reservation_put(c, &res);
if (ret)
*fixed = true;
- if (pos1.snapshot == pos2.p.snapshot)
+ if (pos1.snapshot == pos2.p.snapshot) {
+ /*
+ * We overwrote the first extent, and did the overwrite
+ * in the same snapshot:
+ */
extent_end->offset = bkey_start_offset(&pos2);
- else
+ } else if (pos1.snapshot > pos2.p.snapshot) {
+ /*
+ * We overwrote the first extent in pos2's snapshot:
+ */
+ ret = snapshots_seen_add_inorder(c, pos1_seen, pos2.p.snapshot);
+ } else {
+ /*
+ * We overwrote the second extent - restart
+ * check_extent() from the top:
+ */
ret = -BCH_ERR_transaction_restart_nested;
+ }
}
fsck_err:
err:
SPOS(iter->pos.inode,
i->offset,
i->snapshot),
+ &i->seen,
*k.k, fixed, i);
if (ret)
goto err;
return ret;
}
+static int check_extent_overbig(struct btree_trans *trans, struct btree_iter *iter,
+ struct bkey_s_c k)
+{
+ struct bch_fs *c = trans->c;
+ struct bkey_ptrs_c ptrs = bch2_bkey_ptrs_c(k);
+ struct bch_extent_crc_unpacked crc;
+ const union bch_extent_entry *i;
+ unsigned encoded_extent_max_sectors = c->opts.encoded_extent_max >> 9;
+
+ bkey_for_each_crc(k.k, ptrs, crc, i)
+ if (crc_is_encoded(crc) &&
+ crc.uncompressed_size > encoded_extent_max_sectors) {
+ struct printbuf buf = PRINTBUF;
+
+ bch2_bkey_val_to_text(&buf, c, k);
+ bch_err(c, "overbig encoded extent, please report this:\n %s", buf.buf);
+ printbuf_exit(&buf);
+ }
+
+ return 0;
+}
+
static int check_extent(struct btree_trans *trans, struct btree_iter *iter,
struct bkey_s_c k,
struct inode_walker *inode,
goto err;
if (k.k->type != KEY_TYPE_whiteout) {
- if (fsck_err_on(!i, c,
+ if (fsck_err_on(!i, c, extent_in_missing_inode,
"extent in missing inode:\n %s",
(printbuf_reset(&buf),
bch2_bkey_val_to_text(&buf, c, k), buf.buf)))
if (fsck_err_on(i &&
!S_ISREG(i->inode.bi_mode) &&
- !S_ISLNK(i->inode.bi_mode), c,
+ !S_ISLNK(i->inode.bi_mode),
+ c, extent_in_non_reg_inode,
"extent in non regular inode mode %o:\n %s",
i->inode.bi_mode,
(printbuf_reset(&buf),
continue;
if (k.k->type != KEY_TYPE_whiteout) {
- if (fsck_err_on(!(i->inode.bi_flags & BCH_INODE_I_SIZE_DIRTY) &&
+ if (fsck_err_on(!(i->inode.bi_flags & BCH_INODE_i_size_dirty) &&
k.k->p.offset > round_up(i->inode.bi_size, block_bytes(c)) >> 9 &&
- !bkey_extent_is_reservation(k), c,
+ !bkey_extent_is_reservation(k),
+ c, extent_past_end_of_inode,
"extent type past end of inode %llu:%u, i_size %llu\n %s",
i->inode.bi_inum, i->snapshot, i->inode.bi_size,
(bch2_bkey_val_to_text(&buf, c, k), buf.buf))) {
err:
fsck_err:
printbuf_exit(&buf);
-
- if (ret && !bch2_err_matches(ret, BCH_ERR_transaction_restart))
- bch_err_fn(c, ret);
+ bch_err_fn(c, ret);
return ret;
delete:
ret = bch2_btree_delete_at(trans, iter, BTREE_UPDATE_INTERNAL_SNAPSHOT_NODE);
{
struct inode_walker w = inode_walker_init();
struct snapshots_seen s;
- struct btree_trans trans;
+ struct btree_trans *trans = bch2_trans_get(c);
struct btree_iter iter;
struct bkey_s_c k;
struct extent_ends extent_ends;
snapshots_seen_init(&s);
extent_ends_init(&extent_ends);
- bch2_trans_init(&trans, c, BTREE_ITER_MAX, 4096);
- ret = for_each_btree_key_commit(&trans, iter, BTREE_ID_extents,
+ ret = for_each_btree_key_commit(trans, iter, BTREE_ID_extents,
POS(BCACHEFS_ROOT_INO, 0),
BTREE_ITER_PREFETCH|BTREE_ITER_ALL_SNAPSHOTS, k,
&res, NULL,
- BTREE_INSERT_LAZY_RW|BTREE_INSERT_NOFAIL, ({
+ BCH_TRANS_COMMIT_lazy_rw|BCH_TRANS_COMMIT_no_enospc, ({
bch2_disk_reservation_put(c, &res);
- check_extent(&trans, &iter, k, &w, &s, &extent_ends);
+ check_extent(trans, &iter, k, &w, &s, &extent_ends) ?:
+ check_extent_overbig(trans, &iter, k);
})) ?:
- check_i_sectors(&trans, &w);
+ check_i_sectors(trans, &w);
bch2_disk_reservation_put(c, &res);
extent_ends_exit(&extent_ends);
inode_walker_exit(&w);
- bch2_trans_exit(&trans);
snapshots_seen_exit(&s);
+ bch2_trans_put(trans);
- if (ret)
- bch_err_fn(c, ret);
+ bch_err_fn(c, ret);
+ return ret;
+}
+
+int bch2_check_indirect_extents(struct bch_fs *c)
+{
+ struct btree_trans *trans = bch2_trans_get(c);
+ struct btree_iter iter;
+ struct bkey_s_c k;
+ struct disk_reservation res = { 0 };
+ int ret = 0;
+
+ ret = for_each_btree_key_commit(trans, iter, BTREE_ID_reflink,
+ POS_MIN,
+ BTREE_ITER_PREFETCH, k,
+ &res, NULL,
+ BCH_TRANS_COMMIT_lazy_rw|BCH_TRANS_COMMIT_no_enospc, ({
+ bch2_disk_reservation_put(c, &res);
+ check_extent_overbig(trans, &iter, k);
+ }));
+
+ bch2_disk_reservation_put(c, &res);
+ bch2_trans_put(trans);
+
+ bch_err_fn(c, ret);
return ret;
}
continue;
}
- if (fsck_err_on(i->inode.bi_nlink != i->count, c,
+ if (fsck_err_on(i->inode.bi_nlink != i->count,
+ c, inode_dir_wrong_nlink,
"directory %llu:%u with wrong i_nlink: got %u, should be %llu",
w->last_pos.inode, i->snapshot, i->inode.bi_nlink, i->count)) {
i->inode.bi_nlink = i->count;
- ret = write_inode(trans, &i->inode, i->snapshot);
+ ret = fsck_write_inode(trans, &i->inode, i->snapshot);
if (ret)
break;
}
}
fsck_err:
- if (ret)
- bch_err_fn(c, ret);
- if (!ret && trans_was_restarted(trans, restart_count))
- ret = -BCH_ERR_transaction_restart_nested;
- return ret;
+ bch_err_fn(c, ret);
+ return ret ?: trans_was_restarted(trans, restart_count);
}
static int check_dirent_target(struct btree_trans *trans,
{
struct bch_fs *c = trans->c;
struct bkey_i_dirent *n;
- bool backpointer_exists = true;
struct printbuf buf = PRINTBUF;
+ struct btree_iter bp_iter = { NULL };
int ret = 0;
if (!target->bi_dir &&
}
if (!inode_points_to_dirent(target, d)) {
- ret = inode_backpointer_exists(trans, target, d.k->p.snapshot);
- if (ret < 0)
+ struct bkey_s_c_dirent bp_dirent = dirent_get_by_pos(trans, &bp_iter,
+ SPOS(target->bi_dir, target->bi_dir_offset, target_snapshot));
+ ret = bkey_err(bp_dirent);
+ if (ret && !bch2_err_matches(ret, ENOENT))
goto err;
- backpointer_exists = ret;
+ bool backpointer_exists = !ret;
ret = 0;
- if (fsck_err_on(S_ISDIR(target->bi_mode) &&
- backpointer_exists, c,
- "directory %llu with multiple links",
- target->bi_inum)) {
+ bch2_bkey_val_to_text(&buf, c, d.s_c);
+ prt_newline(&buf);
+ if (backpointer_exists)
+ bch2_bkey_val_to_text(&buf, c, bp_dirent.s_c);
+
+ if (fsck_err_on(S_ISDIR(target->bi_mode) && backpointer_exists,
+ c, inode_dir_multiple_links,
+ "directory %llu:%u with multiple links\n%s",
+ target->bi_inum, target_snapshot, buf.buf)) {
ret = __remove_dirent(trans, d.k->p);
goto out;
}
- if (fsck_err_on(backpointer_exists &&
- !target->bi_nlink, c,
- "inode %llu type %s has multiple links but i_nlink 0",
- target->bi_inum, bch2_d_types[d.v->d_type])) {
+ /*
+ * hardlinked file with nlink 0:
+ * We're just adjusting nlink here so check_nlinks() will pick
+ * it up, it ignores inodes with nlink 0
+ */
+ if (fsck_err_on(backpointer_exists && !target->bi_nlink,
+ c, inode_multiple_links_but_nlink_0,
+ "inode %llu:%u type %s has multiple links but i_nlink 0\n%s",
+ target->bi_inum, target_snapshot, bch2_d_types[d.v->d_type], buf.buf)) {
target->bi_nlink++;
- target->bi_flags &= ~BCH_INODE_UNLINKED;
+ target->bi_flags &= ~BCH_INODE_unlinked;
ret = __write_inode(trans, target, target_snapshot);
if (ret)
goto err;
}
- if (fsck_err_on(!backpointer_exists, c,
+ if (fsck_err_on(!backpointer_exists,
+ c, inode_wrong_backpointer,
"inode %llu:%u has wrong backpointer:\n"
"got %llu:%llu\n"
"should be %llu:%llu",
}
}
- if (fsck_err_on(d.v->d_type != inode_d_type(target), c,
+ if (fsck_err_on(d.v->d_type != inode_d_type(target),
+ c, dirent_d_type_wrong,
"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)),
if (d.v->d_type == DT_SUBVOL &&
target->bi_parent_subvol != le32_to_cpu(d.v->d_parent_subvol) &&
(c->sb.version < bcachefs_metadata_version_subvol_dirent ||
- fsck_err(c, "dirent has wrong d_parent_subvol field: got %u, should be %u",
+ fsck_err(c, dirent_d_parent_subvol_wrong,
+ "dirent has wrong d_parent_subvol field: got %u, should be %u",
le32_to_cpu(d.v->d_parent_subvol),
target->bi_parent_subvol))) {
n = bch2_trans_kmalloc(trans, bkey_bytes(d.k));
out:
err:
fsck_err:
+ bch2_trans_iter_exit(trans, &bp_iter);
printbuf_exit(&buf);
-
- if (ret && !bch2_err_matches(ret, BCH_ERR_transaction_restart))
- bch_err_fn(c, ret);
+ bch_err_fn(c, ret);
return ret;
}
*hash_info = bch2_hash_info_init(c, &dir->inodes.data[0].inode);
dir->first_this_inode = false;
- if (fsck_err_on(!i, c,
+ if (fsck_err_on(!i, c, dirent_in_missing_dir_inode,
"dirent in nonexisting directory:\n%s",
(printbuf_reset(&buf),
bch2_bkey_val_to_text(&buf, c, k), buf.buf))) {
if (!i)
goto out;
- if (fsck_err_on(!S_ISDIR(i->inode.bi_mode), c,
+ if (fsck_err_on(!S_ISDIR(i->inode.bi_mode),
+ c, dirent_in_non_dir_inode,
"dirent in non directory inode type %s:\n%s",
bch2_d_type_str(inode_d_type(&i->inode)),
(printbuf_reset(&buf),
if (ret && !bch2_err_matches(ret, ENOENT))
goto err;
- if (fsck_err_on(ret, c,
+ if (fsck_err_on(ret, c, dirent_to_missing_subvol,
"dirent points to missing subvolume %u",
le32_to_cpu(d.v->d_child_subvol))) {
ret = __remove_dirent(trans, d.k->p);
if (ret && !bch2_err_matches(ret, ENOENT))
goto err;
- if (fsck_err_on(ret, c,
+ if (fsck_err_on(ret, c, subvol_to_missing_root,
"subvolume %u points to missing subvolume root %llu",
target_subvol,
target_inum)) {
goto err;
}
- if (fsck_err_on(subvol_root.bi_subvol != target_subvol, c,
+ if (fsck_err_on(subvol_root.bi_subvol != target_subvol,
+ c, subvol_root_wrong_bi_subvol,
"subvol root %llu has wrong bi_subvol field: got %u, should be %u",
target_inum,
subvol_root.bi_subvol, target_subvol)) {
if (ret)
goto err;
- if (fsck_err_on(!target->inodes.nr, c,
+ if (fsck_err_on(!target->inodes.nr,
+ c, dirent_to_missing_inode,
"dirent points to missing inode: (equiv %u)\n%s",
equiv.snapshot,
(printbuf_reset(&buf),
err:
fsck_err:
printbuf_exit(&buf);
-
- if (ret && !bch2_err_matches(ret, BCH_ERR_transaction_restart))
- bch_err_fn(c, ret);
+ bch_err_fn(c, ret);
return ret;
}
struct inode_walker target = inode_walker_init();
struct snapshots_seen s;
struct bch_hash_info hash_info;
- struct btree_trans trans;
+ struct btree_trans *trans = bch2_trans_get(c);
struct btree_iter iter;
struct bkey_s_c k;
int ret = 0;
snapshots_seen_init(&s);
- bch2_trans_init(&trans, c, BTREE_ITER_MAX, 0);
- ret = for_each_btree_key_commit(&trans, iter, BTREE_ID_dirents,
+ ret = for_each_btree_key_commit(trans, iter, BTREE_ID_dirents,
POS(BCACHEFS_ROOT_INO, 0),
BTREE_ITER_PREFETCH|BTREE_ITER_ALL_SNAPSHOTS,
k,
NULL, NULL,
- BTREE_INSERT_LAZY_RW|BTREE_INSERT_NOFAIL,
- check_dirent(&trans, &iter, k, &hash_info, &dir, &target, &s));
+ BCH_TRANS_COMMIT_lazy_rw|BCH_TRANS_COMMIT_no_enospc,
+ check_dirent(trans, &iter, k, &hash_info, &dir, &target, &s));
- bch2_trans_exit(&trans);
+ bch2_trans_put(trans);
snapshots_seen_exit(&s);
inode_walker_exit(&dir);
inode_walker_exit(&target);
-
- if (ret)
- bch_err_fn(c, ret);
+ bch_err_fn(c, ret);
return ret;
}
*hash_info = bch2_hash_info_init(c, &inode->inodes.data[0].inode);
inode->first_this_inode = false;
- if (fsck_err_on(!i, c,
+ if (fsck_err_on(!i, c, xattr_in_missing_inode,
"xattr for missing inode %llu",
k.k->p.inode))
return bch2_btree_delete_at(trans, iter, 0);
ret = hash_check_key(trans, bch2_xattr_hash_desc, hash_info, iter, k);
fsck_err:
- if (ret && !bch2_err_matches(ret, BCH_ERR_transaction_restart))
- bch_err_fn(c, ret);
+ bch_err_fn(c, ret);
return ret;
}
{
struct inode_walker inode = inode_walker_init();
struct bch_hash_info hash_info;
- struct btree_trans trans;
struct btree_iter iter;
struct bkey_s_c k;
int ret = 0;
- bch2_trans_init(&trans, c, BTREE_ITER_MAX, 0);
-
- ret = for_each_btree_key_commit(&trans, iter, BTREE_ID_xattrs,
+ ret = bch2_trans_run(c,
+ for_each_btree_key_commit(trans, iter, BTREE_ID_xattrs,
POS(BCACHEFS_ROOT_INO, 0),
BTREE_ITER_PREFETCH|BTREE_ITER_ALL_SNAPSHOTS,
k,
NULL, NULL,
- BTREE_INSERT_LAZY_RW|BTREE_INSERT_NOFAIL,
- check_xattr(&trans, &iter, k, &hash_info, &inode));
-
- bch2_trans_exit(&trans);
-
- if (ret)
- bch_err_fn(c, ret);
+ BCH_TRANS_COMMIT_lazy_rw|BCH_TRANS_COMMIT_no_enospc,
+ check_xattr(trans, &iter, k, &hash_info, &inode)));
+ bch_err_fn(c, ret);
return ret;
}
if (ret && !bch2_err_matches(ret, ENOENT))
return ret;
- if (mustfix_fsck_err_on(ret, c, "root subvol missing")) {
+ if (mustfix_fsck_err_on(ret, c, root_subvol_missing,
+ "root subvol missing")) {
struct bkey_i_subvolume root_subvol;
snapshot = U32_MAX;
root_subvol.v.snapshot = cpu_to_le32(snapshot);
root_subvol.v.inode = cpu_to_le64(inum);
ret = commit_do(trans, NULL, NULL,
- BTREE_INSERT_NOFAIL|
- BTREE_INSERT_LAZY_RW,
- __bch2_btree_insert(trans, BTREE_ID_subvolumes,
+ BCH_TRANS_COMMIT_no_enospc|
+ BCH_TRANS_COMMIT_lazy_rw,
+ bch2_btree_insert_trans(trans, BTREE_ID_subvolumes,
&root_subvol.k_i, 0));
- if (ret) {
- bch_err(c, "error writing root subvol: %s", bch2_err_str(ret));
+ bch_err_msg(c, ret, "writing root subvol");
+ if (ret)
goto err;
- }
}
if (ret && !bch2_err_matches(ret, ENOENT))
return ret;
- if (mustfix_fsck_err_on(ret, c, "root directory missing") ||
- mustfix_fsck_err_on(!S_ISDIR(root_inode.bi_mode), c,
+ if (mustfix_fsck_err_on(ret, c, root_dir_missing,
+ "root directory missing") ||
+ mustfix_fsck_err_on(!S_ISDIR(root_inode.bi_mode),
+ c, root_inode_not_dir,
"root inode not a directory")) {
bch2_inode_init(c, &root_inode, 0, 0, S_IFDIR|0755,
0, NULL);
root_inode.bi_inum = inum;
ret = __write_inode(trans, &root_inode, snapshot);
- if (ret)
- bch_err(c, "error writing root inode: %s", bch2_err_str(ret));
+ bch_err_msg(c, ret, "writing root inode");
}
err:
fsck_err:
int ret;
ret = bch2_trans_do(c, NULL, NULL,
- BTREE_INSERT_NOFAIL|
- BTREE_INSERT_LAZY_RW,
- check_root_trans(&trans));
-
- if (ret)
- bch_err_fn(c, ret);
+ BCH_TRANS_COMMIT_no_enospc|
+ BCH_TRANS_COMMIT_lazy_rw,
+ check_root_trans(trans));
+ bch_err_fn(c, ret);
return ret;
}
}
if (bch2_err_matches(ret, ENOENT)) {
- if (fsck_err(c, "unreachable inode %llu:%u, type %s nlink %u backptr %llu:%llu",
+ if (fsck_err(c, inode_unreachable,
+ "unreachable inode %llu:%u, type %s nlink %u backptr %llu:%llu",
inode->bi_inum, snapshot,
bch2_d_type_str(inode_d_type(inode)),
inode->bi_nlink,
pr_err("%llu:%u", i->inum, i->snapshot);
pr_err("%llu:%u", inode->bi_inum, snapshot);
- if (!fsck_err(c, "directory structure loop"))
+ if (!fsck_err(c, dir_loop,
+ "directory structure loop"))
return 0;
ret = commit_do(trans, NULL, NULL,
- BTREE_INSERT_NOFAIL|
- BTREE_INSERT_LAZY_RW,
+ BCH_TRANS_COMMIT_no_enospc|
+ BCH_TRANS_COMMIT_lazy_rw,
remove_backpointer(trans, inode));
if (ret) {
bch_err(c, "error removing dirent: %i", ret);
}
}
fsck_err:
- if (ret)
- bch_err_fn(c, ret);
+ bch_err_fn(c, ret);
return ret;
}
*/
int bch2_check_directory_structure(struct bch_fs *c)
{
- struct btree_trans trans;
+ struct btree_trans *trans = bch2_trans_get(c);
struct btree_iter iter;
struct bkey_s_c k;
struct bch_inode_unpacked u;
pathbuf path = { 0, };
int ret;
- bch2_trans_init(&trans, c, BTREE_ITER_MAX, 0);
-
- for_each_btree_key(&trans, iter, BTREE_ID_inodes, POS_MIN,
+ for_each_btree_key(trans, iter, BTREE_ID_inodes, POS_MIN,
BTREE_ITER_INTENT|
BTREE_ITER_PREFETCH|
BTREE_ITER_ALL_SNAPSHOTS, k, ret) {
break;
}
- if (u.bi_flags & BCH_INODE_UNLINKED)
+ if (u.bi_flags & BCH_INODE_unlinked)
continue;
- ret = check_path(&trans, &path, &u, iter.pos.snapshot);
+ ret = check_path(trans, &path, &u, iter.pos.snapshot);
if (ret)
break;
}
- bch2_trans_iter_exit(&trans, &iter);
- bch2_trans_exit(&trans);
+ bch2_trans_iter_exit(trans, &iter);
+ bch2_trans_put(trans);
darray_exit(&path);
-
- if (ret)
- bch_err_fn(c, ret);
+ bch_err_fn(c, ret);
return ret;
}
-/* check_nlink pass: */
-
struct nlink_table {
size_t nr;
size_t size;
const struct nlink *l = _l;
const struct nlink *r = _r;
- return cmp_int(l->inum, r->inum) ?: cmp_int(l->snapshot, r->snapshot);
+ return cmp_int(l->inum, r->inum);
}
static void inc_link(struct bch_fs *c, struct snapshots_seen *s,
struct nlink_table *t,
u64 start, u64 *end)
{
- struct btree_trans trans;
+ struct btree_trans *trans = bch2_trans_get(c);
struct btree_iter iter;
struct bkey_s_c k;
struct bch_inode_unpacked u;
int ret = 0;
- bch2_trans_init(&trans, c, BTREE_ITER_MAX, 0);
-
- for_each_btree_key(&trans, iter, BTREE_ID_inodes,
+ for_each_btree_key(trans, iter, BTREE_ID_inodes,
POS(0, start),
BTREE_ITER_INTENT|
BTREE_ITER_PREFETCH|
}
}
- bch2_trans_iter_exit(&trans, &iter);
- bch2_trans_exit(&trans);
+ bch2_trans_iter_exit(trans, &iter);
+ bch2_trans_put(trans);
if (ret)
bch_err(c, "error in fsck: btree error %i while walking inodes", ret);
static int check_nlinks_walk_dirents(struct bch_fs *c, struct nlink_table *links,
u64 range_start, u64 range_end)
{
- struct btree_trans trans;
+ struct btree_trans *trans = bch2_trans_get(c);
struct snapshots_seen s;
struct btree_iter iter;
struct bkey_s_c k;
snapshots_seen_init(&s);
- bch2_trans_init(&trans, c, BTREE_ITER_MAX, 0);
-
- for_each_btree_key(&trans, iter, BTREE_ID_dirents, POS_MIN,
+ for_each_btree_key(trans, iter, BTREE_ID_dirents, POS_MIN,
BTREE_ITER_INTENT|
BTREE_ITER_PREFETCH|
BTREE_ITER_ALL_SNAPSHOTS, k, ret) {
break;
}
}
- bch2_trans_iter_exit(&trans, &iter);
+ bch2_trans_iter_exit(trans, &iter);
if (ret)
bch_err(c, "error in fsck: btree error %i while walking dirents", ret);
- bch2_trans_exit(&trans);
+ bch2_trans_put(trans);
snapshots_seen_exit(&s);
return ret;
}
link = &links->d[++*idx];
}
- if (fsck_err_on(bch2_inode_nlink_get(&u) != link->count, c,
+ if (fsck_err_on(bch2_inode_nlink_get(&u) != link->count,
+ c, inode_wrong_nlink,
"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)) {
struct nlink_table *links,
u64 range_start, u64 range_end)
{
- struct btree_trans trans;
struct btree_iter iter;
struct bkey_s_c k;
size_t idx = 0;
int ret = 0;
- bch2_trans_init(&trans, c, BTREE_ITER_MAX, 0);
-
- ret = for_each_btree_key_commit(&trans, iter, BTREE_ID_inodes,
- POS(0, range_start),
- BTREE_ITER_INTENT|BTREE_ITER_PREFETCH|BTREE_ITER_ALL_SNAPSHOTS, k,
- NULL, NULL, BTREE_INSERT_LAZY_RW|BTREE_INSERT_NOFAIL,
- check_nlinks_update_inode(&trans, &iter, k, links, &idx, range_end));
-
- bch2_trans_exit(&trans);
-
+ ret = bch2_trans_run(c,
+ for_each_btree_key_commit(trans, iter, BTREE_ID_inodes,
+ POS(0, range_start),
+ BTREE_ITER_INTENT|BTREE_ITER_PREFETCH|BTREE_ITER_ALL_SNAPSHOTS, k,
+ NULL, NULL, BCH_TRANS_COMMIT_lazy_rw|BCH_TRANS_COMMIT_no_enospc,
+ check_nlinks_update_inode(trans, &iter, k, links, &idx, range_end)));
if (ret < 0) {
- bch_err(c, "error in fsck: btree error %i while walking inodes", ret);
+ bch_err(c, "error in fsck walking inodes: %s", bch2_err_str(ret));
return ret;
}
} while (next_iter_range_start != U64_MAX);
kvfree(links.d);
-
- if (ret)
- bch_err_fn(c, ret);
+ bch_err_fn(c, ret);
return ret;
}
return 0;
ret = bch2_trans_run(c,
- for_each_btree_key_commit(&trans, iter,
+ for_each_btree_key_commit(trans, iter,
BTREE_ID_extents, POS_MIN,
BTREE_ITER_INTENT|BTREE_ITER_PREFETCH|
BTREE_ITER_ALL_SNAPSHOTS, k,
- NULL, NULL, BTREE_INSERT_NOFAIL|BTREE_INSERT_LAZY_RW,
- fix_reflink_p_key(&trans, &iter, k)));
-
- if (ret)
- bch_err_fn(c, ret);
+ NULL, NULL, BCH_TRANS_COMMIT_no_enospc|BCH_TRANS_COMMIT_lazy_rw,
+ fix_reflink_p_key(trans, &iter, k)));
+ bch_err_fn(c, ret);
return ret;
}
projects / bcachefs-tools-debian / blobdiff