#include <linux/bsearch.h>
#include <linux/dcache.h> /* struct qstr */
-#define QSTR(n) { { { .len = strlen(n) } }, .name = n }
-
/*
* XXX: this is handling transaction restarts without returning
* -BCH_ERR_transaction_restart_nested, this is not how we do things anymore:
static s64 bch2_count_inode_sectors(struct btree_trans *trans, u64 inum,
u32 snapshot)
{
- struct btree_iter iter;
- struct bkey_s_c k;
u64 sectors = 0;
- int ret;
- for_each_btree_key_upto(trans, iter, BTREE_ID_extents,
+ int ret = for_each_btree_key_upto(trans, iter, BTREE_ID_extents,
SPOS(inum, 0, snapshot),
POS(inum, U64_MAX),
- 0, k, ret)
+ 0, k, ({
if (bkey_extent_is_allocation(k.k))
sectors += k.k->size;
-
- bch2_trans_iter_exit(trans, &iter);
+ 0;
+ }));
return ret ?: sectors;
}
static s64 bch2_count_subdirs(struct btree_trans *trans, u64 inum,
u32 snapshot)
{
- struct btree_iter iter;
- struct bkey_s_c k;
- struct bkey_s_c_dirent d;
u64 subdirs = 0;
- int ret;
- for_each_btree_key_upto(trans, iter, BTREE_ID_dirents,
- SPOS(inum, 0, snapshot),
- POS(inum, U64_MAX),
- 0, k, ret) {
- if (k.k->type != KEY_TYPE_dirent)
- continue;
-
- d = bkey_s_c_to_dirent(k);
- if (d.v->d_type == DT_DIR)
+ int ret = for_each_btree_key_upto(trans, iter, BTREE_ID_dirents,
+ SPOS(inum, 0, snapshot),
+ POS(inum, U64_MAX),
+ 0, k, ({
+ if (k.k->type == KEY_TYPE_dirent &&
+ bkey_s_c_to_dirent(k).v->d_type == DT_DIR)
subdirs++;
- }
- bch2_trans_iter_exit(trans, &iter);
+ 0;
+ }));
return ret ?: subdirs;
}
-static int __snapshot_lookup_subvol(struct btree_trans *trans, u32 snapshot,
- u32 *subvol)
-{
- struct bch_snapshot s;
- int ret = bch2_bkey_get_val_typed(trans, BTREE_ID_snapshots,
- POS(0, snapshot), 0,
- snapshot, &s);
- if (!ret)
- *subvol = le32_to_cpu(s.subvol);
- else if (bch2_err_matches(ret, ENOENT))
- bch_err(trans->c, "snapshot %u not found", snapshot);
- return ret;
-
-}
-
-static int __subvol_lookup(struct btree_trans *trans, u32 subvol,
- u32 *snapshot, u64 *inum)
+static int subvol_lookup(struct btree_trans *trans, u32 subvol,
+ u32 *snapshot, u64 *inum)
{
struct bch_subvolume s;
int ret;
return ret;
}
-static int subvol_lookup(struct btree_trans *trans, u32 subvol,
- u32 *snapshot, u64 *inum)
-{
- return lockrestart_do(trans, __subvol_lookup(trans, subvol, snapshot, inum));
-}
-
static int lookup_first_inode(struct btree_trans *trans, u64 inode_nr,
struct bch_inode_unpacked *inode)
{
return ret;
}
-static int __lookup_inode(struct btree_trans *trans, u64 inode_nr,
+static int lookup_inode(struct btree_trans *trans, u64 inode_nr,
struct bch_inode_unpacked *inode,
u32 *snapshot)
{
return ret;
}
-static int lookup_inode(struct btree_trans *trans, u64 inode_nr,
- struct bch_inode_unpacked *inode,
- u32 *snapshot)
-{
- return lockrestart_do(trans, __lookup_inode(trans, inode_nr, inode, snapshot));
-}
-
static int __lookup_dirent(struct btree_trans *trans,
struct bch_hash_info hash_info,
subvol_inum dir, struct qstr *name,
struct bch_inode_unpacked *inode,
u32 snapshot)
{
- int ret = commit_do(trans, NULL, NULL,
- BCH_TRANS_COMMIT_no_enospc|
- BCH_TRANS_COMMIT_lazy_rw,
- __write_inode(trans, inode, snapshot));
- if (ret)
- bch_err_fn(trans->c, ret);
+ int ret = commit_do(trans, NULL, NULL, BCH_TRANS_COMMIT_no_enospc,
+ __write_inode(trans, inode, snapshot));
+ bch_err_fn(trans->c, ret);
return ret;
}
}
/* Get lost+found, create if it doesn't exist: */
-static int lookup_lostfound(struct btree_trans *trans, u32 subvol,
+static int lookup_lostfound(struct btree_trans *trans, u32 snapshot,
struct bch_inode_unpacked *lostfound)
{
struct bch_fs *c = trans->c;
- struct bch_inode_unpacked root;
- struct bch_hash_info root_hash_info;
struct qstr lostfound_str = QSTR("lost+found");
- subvol_inum root_inum = { .subvol = subvol };
u64 inum = 0;
unsigned d_type = 0;
- u32 snapshot;
int ret;
- ret = __subvol_lookup(trans, subvol, &snapshot, &root_inum.inum);
+ struct bch_snapshot_tree st;
+ ret = bch2_snapshot_tree_lookup(trans,
+ bch2_snapshot_tree(c, snapshot), &st);
+ if (ret)
+ return ret;
+
+ subvol_inum root_inum = { .subvol = le32_to_cpu(st.master_subvol) };
+ u32 subvol_snapshot;
+
+ ret = subvol_lookup(trans, le32_to_cpu(st.master_subvol),
+ &subvol_snapshot, &root_inum.inum);
+ bch_err_msg(c, ret, "looking up root subvol");
if (ret)
return ret;
- ret = __lookup_inode(trans, root_inum.inum, &root, &snapshot);
+ struct bch_inode_unpacked root_inode;
+ struct bch_hash_info root_hash_info;
+ ret = lookup_inode(trans, root_inum.inum, &root_inode, &snapshot);
+ bch_err_msg(c, ret, "looking up root inode");
if (ret)
return ret;
- root_hash_info = bch2_hash_info_init(c, &root);
+ root_hash_info = bch2_hash_info_init(c, &root_inode);
ret = __lookup_dirent(trans, root_hash_info, root_inum,
- &lostfound_str, &inum, &d_type);
- if (bch2_err_matches(ret, ENOENT)) {
- bch_notice(c, "creating lost+found");
+ &lostfound_str, &inum, &d_type);
+ if (bch2_err_matches(ret, ENOENT))
goto create_lostfound;
- }
bch_err_fn(c, ret);
if (ret)
* The bch2_check_dirents pass has already run, dangling dirents
* shouldn't exist here:
*/
- return __lookup_inode(trans, inum, lostfound, &snapshot);
+ return lookup_inode(trans, inum, lostfound, &snapshot);
create_lostfound:
+ /*
+ * XXX: we could have a nicer log message here if we had a nice way to
+ * walk backpointers to print a path
+ */
+ bch_notice(c, "creating lost+found in snapshot %u", le32_to_cpu(st.root_snapshot));
+
+ u64 now = bch2_current_time(c);
+ struct btree_iter lostfound_iter = { NULL };
+ u64 cpu = raw_smp_processor_id();
+
bch2_inode_init_early(c, lostfound);
+ bch2_inode_init_late(lostfound, now, 0, 0, S_IFDIR|0700, 0, &root_inode);
+ lostfound->bi_dir = root_inode.bi_inum;
+
+ root_inode.bi_nlink++;
- ret = bch2_create_trans(trans, root_inum, &root,
- lostfound, &lostfound_str,
- 0, 0, S_IFDIR|0700, 0, NULL, NULL,
- (subvol_inum) { }, 0);
+ ret = bch2_inode_create(trans, &lostfound_iter, lostfound, snapshot, cpu);
+ if (ret)
+ goto err;
+
+ bch2_btree_iter_set_snapshot(&lostfound_iter, snapshot);
+ ret = bch2_btree_iter_traverse(&lostfound_iter);
+ if (ret)
+ goto err;
+
+ ret = bch2_dirent_create_snapshot(trans,
+ root_inode.bi_inum, snapshot, &root_hash_info,
+ mode_to_type(lostfound->bi_mode),
+ &lostfound_str,
+ lostfound->bi_inum,
+ &lostfound->bi_dir_offset,
+ BCH_HASH_SET_MUST_CREATE) ?:
+ bch2_inode_write_flags(trans, &lostfound_iter, lostfound,
+ BTREE_UPDATE_INTERNAL_SNAPSHOT_NODE);
+err:
bch_err_msg(c, ret, "creating lost+found");
+ bch2_trans_iter_exit(trans, &lostfound_iter);
return ret;
}
-static int __reattach_inode(struct btree_trans *trans,
+static int reattach_inode(struct btree_trans *trans,
struct bch_inode_unpacked *inode,
u32 inode_snapshot)
{
char name_buf[20];
struct qstr name;
u64 dir_offset = 0;
- u32 subvol;
int ret;
- ret = __snapshot_lookup_subvol(trans, inode_snapshot, &subvol);
- if (ret)
- return ret;
-
- ret = lookup_lostfound(trans, subvol, &lostfound);
+ ret = lookup_lostfound(trans, inode_snapshot, &lostfound);
if (ret)
return ret;
snprintf(name_buf, sizeof(name_buf), "%llu", inode->bi_inum);
name = (struct qstr) QSTR(name_buf);
- ret = bch2_dirent_create(trans,
- (subvol_inum) {
- .subvol = subvol,
- .inum = lostfound.bi_inum,
- },
- &dir_hash,
- inode_d_type(inode),
- &name, inode->bi_inum, &dir_offset,
- BCH_HASH_SET_MUST_CREATE);
+ ret = bch2_dirent_create_snapshot(trans,
+ lostfound.bi_inum, inode_snapshot,
+ &dir_hash,
+ inode_d_type(inode),
+ &name, inode->bi_inum, &dir_offset,
+ BCH_HASH_SET_MUST_CREATE);
if (ret)
return ret;
return __write_inode(trans, inode, inode_snapshot);
}
-static int reattach_inode(struct btree_trans *trans,
- struct bch_inode_unpacked *inode,
- u32 inode_snapshot)
-{
- int ret = commit_do(trans, NULL, NULL,
- BCH_TRANS_COMMIT_lazy_rw|
- BCH_TRANS_COMMIT_no_enospc,
- __reattach_inode(trans, inode, inode_snapshot));
- bch_err_msg(trans->c, ret, "reattaching inode %llu", inode->bi_inum);
- return ret;
-}
-
static int remove_backpointer(struct btree_trans *trans,
struct bch_inode_unpacked *inode)
{
};
int ret = 0;
- darray_for_each(s->ids, i) {
+ __darray_for_each(s->ids, i) {
if (i->id == id)
return 0;
if (i->id > id)
static int snapshots_seen_update(struct bch_fs *c, struct snapshots_seen *s,
enum btree_id btree_id, struct bpos pos)
{
- struct snapshots_seen_entry *i, n = {
+ struct snapshots_seen_entry n = {
.id = pos.snapshot,
.equiv = bch2_snapshot_equiv(c, pos.snapshot),
};
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);
+ set_bit(BCH_FS_need_delete_dead_snapshots, &c->flags);
return bch2_run_explicit_recovery_pass(c, BCH_RECOVERY_PASS_delete_dead_snapshots);
}
}
struct bch_fs *c = trans->c;
struct btree_iter iter;
struct bkey_s_c k;
- u32 restart_count = trans->restart_count;
int ret;
w->recalculate_sums = false;
w->inodes.nr = 0;
- for_each_btree_key(trans, iter, BTREE_ID_inodes, POS(0, inum),
- BTREE_ITER_ALL_SNAPSHOTS, k, ret) {
+ for_each_btree_key_norestart(trans, iter, BTREE_ID_inodes, POS(0, inum),
+ BTREE_ITER_ALL_SNAPSHOTS, k, ret) {
if (k.k->p.offset != inum)
break;
return ret;
w->first_this_inode = true;
-
- return trans_was_restarted(trans, restart_count);
+ return 0;
}
static struct inode_walker_entry *
snapshot = bch2_snapshot_equiv(c, snapshot);
- darray_for_each(w->inodes, i)
+ __darray_for_each(w->inodes, i)
if (bch2_snapshot_is_ancestor(c, snapshot, i->snapshot))
goto found;
if (ret)
return ERR_PTR(ret);
} else if (bkey_cmp(w->last_pos, pos)) {
- struct inode_walker_entry *i;
-
darray_for_each(w->inodes, i)
i->seen_this_pos = false;
-
}
w->last_pos = pos;
k.k->p.snapshot, tmp,
BCH_HASH_SET_MUST_CREATE,
BTREE_UPDATE_INTERNAL_SNAPSHOT_NODE) ?:
- bch2_trans_commit(trans, NULL, NULL,
- BCH_TRANS_COMMIT_no_enospc|
- BCH_TRANS_COMMIT_lazy_rw);
+ bch2_trans_commit(trans, NULL, NULL, BCH_TRANS_COMMIT_no_enospc);
}
static int hash_check_key(struct btree_trans *trans,
c, inode_snapshot_mismatch,
"inodes in different snapshots don't match")) {
bch_err(c, "repair not implemented yet");
- return -EINVAL;
+ return -BCH_ERR_fsck_repair_unimplemented;
}
if ((u.bi_flags & (BCH_INODE_i_size_dirty|BCH_INODE_unlinked)) &&
return 0;
}
- if (u.bi_flags & BCH_INODE_unlinked &&
- c->sb.version >= bcachefs_metadata_version_deleted_inodes) {
+ if (u.bi_flags & BCH_INODE_unlinked) {
ret = check_inode_deleted_list(trans, k.k->p);
- if (ret)
+ if (ret < 0)
return ret;
fsck_err_on(ret, c, unlinked_inode_not_on_deleted_list,
"inode %llu:%u unlinked, but not on deleted list",
u.bi_inum, k.k->p.snapshot);
+ ret = 0;
}
if (u.bi_flags & BCH_INODE_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);
bch_err_msg(c, ret, "in fsck deleting inode");
return ret;
u.bi_inum))) {
bch_verbose(c, "truncating inode %llu", u.bi_inum);
- bch2_trans_unlock(trans);
- bch2_fs_lazy_rw(c);
-
/*
* XXX: need to truncate partial blocks too here - or ideally
* just switch units to bytes and that issue goes away
return ret;
}
-noinline_for_stack
int bch2_check_inodes(struct bch_fs *c)
{
bool full = c->opts.fsck;
- struct btree_trans *trans = bch2_trans_get(c);
- struct btree_iter iter;
struct bch_inode_unpacked prev = { 0 };
struct snapshots_seen s;
- struct bkey_s_c k;
- int ret;
snapshots_seen_init(&s);
- ret = for_each_btree_key_commit(trans, iter, BTREE_ID_inodes,
- POS_MIN,
- BTREE_ITER_PREFETCH|BTREE_ITER_ALL_SNAPSHOTS, k,
- NULL, NULL, BCH_TRANS_COMMIT_lazy_rw|BCH_TRANS_COMMIT_no_enospc,
- check_inode(trans, &iter, k, &prev, &s, full));
+ int ret = bch2_trans_run(c,
+ for_each_btree_key_commit(trans, iter, BTREE_ID_inodes,
+ POS_MIN,
+ BTREE_ITER_PREFETCH|BTREE_ITER_ALL_SNAPSHOTS, k,
+ NULL, NULL, BCH_TRANS_COMMIT_no_enospc,
+ check_inode(trans, &iter, k, &prev, &s, full)));
snapshots_seen_exit(&s);
- bch2_trans_put(trans);
bch_err_fn(c, ret);
return ret;
}
static int check_i_sectors(struct btree_trans *trans, struct inode_walker *w)
{
struct bch_fs *c = trans->c;
- struct inode_walker_entry *i;
u32 restart_count = trans->restart_count;
int ret = 0;
s64 count2;
static void extent_ends_reset(struct extent_ends *extent_ends)
{
- struct extent_end *i;
-
darray_for_each(extent_ends->e, i)
snapshots_seen_exit(&i->seen);
-
extent_ends->e.nr = 0;
}
if (!n.seen.ids.data)
return -BCH_ERR_ENOMEM_fsck_extent_ends_at;
- darray_for_each(extent_ends->e, i) {
+ __darray_for_each(extent_ends->e, i) {
if (i->snapshot == k.k->p.snapshot) {
snapshots_seen_exit(&i->seen);
*i = n;
swap(k1, k2);
}
- trans->extra_journal_res += bch2_bkey_sectors_compressed(k2);
+ trans->extra_disk_res += bch2_bkey_sectors_compressed(k2);
ret = bch2_trans_update_extent_overwrite(trans, old_iter,
BTREE_UPDATE_INTERNAL_SNAPSHOT_NODE,
k1, k2) ?:
- bch2_trans_commit(trans, &res, NULL,
- BCH_TRANS_COMMIT_lazy_rw|BCH_TRANS_COMMIT_no_enospc);
+ bch2_trans_commit(trans, &res, NULL, BCH_TRANS_COMMIT_no_enospc);
bch2_disk_reservation_put(c, &res);
if (ret)
bool *fixed)
{
struct bch_fs *c = trans->c;
- struct extent_end *i;
int ret = 0;
/* transaction restart, running again */
{
struct inode_walker w = inode_walker_init();
struct snapshots_seen s;
- struct btree_trans *trans = bch2_trans_get(c);
- struct btree_iter iter;
- struct bkey_s_c k;
struct extent_ends extent_ends;
struct disk_reservation res = { 0 };
- int ret = 0;
snapshots_seen_init(&s);
extent_ends_init(&extent_ends);
- 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,
- 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_overbig(trans, &iter, k);
- })) ?:
- check_i_sectors(trans, &w);
+ int ret = bch2_trans_run(c,
+ 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,
+ BCH_TRANS_COMMIT_no_enospc, ({
+ bch2_disk_reservation_put(c, &res);
+ check_extent(trans, &iter, k, &w, &s, &extent_ends) ?:
+ check_extent_overbig(trans, &iter, k);
+ })) ?:
+ check_i_sectors(trans, &w));
bch2_disk_reservation_put(c, &res);
extent_ends_exit(&extent_ends);
inode_walker_exit(&w);
snapshots_seen_exit(&s);
- bch2_trans_put(trans);
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);
- }));
+ int ret = bch2_trans_run(c,
+ for_each_btree_key_commit(trans, iter, BTREE_ID_reflink,
+ POS_MIN,
+ BTREE_ITER_PREFETCH, k,
+ &res, NULL,
+ 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;
}
static int check_subdir_count(struct btree_trans *trans, struct inode_walker *w)
{
struct bch_fs *c = trans->c;
- struct inode_walker_entry *i;
u32 restart_count = trans->restart_count;
int ret = 0;
s64 count2;
d = dirent_i_to_s_c(n);
}
- 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_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))) {
+ if (fsck_err_on(d.v->d_type == DT_SUBVOL &&
+ target->bi_parent_subvol != le32_to_cpu(d.v->d_parent_subvol),
+ 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));
ret = PTR_ERR_OR_ZERO(n);
if (ret)
goto err;
}
- BUG_ON(!iter->path->should_be_locked);
+ BUG_ON(!btree_iter_path(trans, iter)->should_be_locked);
i = walk_inode(trans, dir, equiv, k.k->type == KEY_TYPE_whiteout);
ret = PTR_ERR_OR_ZERO(i);
u32 target_snapshot;
u64 target_inum;
- ret = __subvol_lookup(trans, target_subvol,
+ ret = subvol_lookup(trans, target_subvol,
&target_snapshot, &target_inum);
if (ret && !bch2_err_matches(ret, ENOENT))
goto err;
goto err;
}
- ret = __lookup_inode(trans, target_inum,
+ ret = lookup_inode(trans, target_inum,
&subvol_root, &target_snapshot);
if (ret && !bch2_err_matches(ret, ENOENT))
goto err;
struct inode_walker target = inode_walker_init();
struct snapshots_seen s;
struct bch_hash_info hash_info;
- struct btree_trans *trans = bch2_trans_get(c);
- struct btree_iter iter;
- struct bkey_s_c k;
- int ret = 0;
snapshots_seen_init(&s);
- 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,
- BCH_TRANS_COMMIT_lazy_rw|BCH_TRANS_COMMIT_no_enospc,
- check_dirent(trans, &iter, k, &hash_info, &dir, &target, &s));
+ int ret = bch2_trans_run(c,
+ 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,
+ BCH_TRANS_COMMIT_no_enospc,
+ check_dirent(trans, &iter, k, &hash_info, &dir, &target, &s)));
- bch2_trans_put(trans);
snapshots_seen_exit(&s);
inode_walker_exit(&dir);
inode_walker_exit(&target);
{
struct inode_walker inode = inode_walker_init();
struct bch_hash_info hash_info;
- struct btree_iter iter;
- struct bkey_s_c k;
int ret = 0;
ret = bch2_trans_run(c,
BTREE_ITER_PREFETCH|BTREE_ITER_ALL_SNAPSHOTS,
k,
NULL, NULL,
- BCH_TRANS_COMMIT_lazy_rw|BCH_TRANS_COMMIT_no_enospc,
+ BCH_TRANS_COMMIT_no_enospc,
check_xattr(trans, &iter, k, &hash_info, &inode)));
bch_err_fn(c, ret);
return ret;
u64 inum;
int ret;
- ret = __subvol_lookup(trans, BCACHEFS_ROOT_SUBVOL, &snapshot, &inum);
+ ret = subvol_lookup(trans, BCACHEFS_ROOT_SUBVOL, &snapshot, &inum);
if (ret && !bch2_err_matches(ret, ENOENT))
return ret;
root_subvol.v.flags = 0;
root_subvol.v.snapshot = cpu_to_le32(snapshot);
root_subvol.v.inode = cpu_to_le64(inum);
- ret = commit_do(trans, NULL, NULL,
- BCH_TRANS_COMMIT_no_enospc|
- BCH_TRANS_COMMIT_lazy_rw,
- bch2_btree_insert_trans(trans, BTREE_ID_subvolumes,
- &root_subvol.k_i, 0));
+ ret = bch2_btree_insert_trans(trans, BTREE_ID_subvolumes, &root_subvol.k_i, 0);
bch_err_msg(c, ret, "writing root subvol");
if (ret)
goto err;
-
}
- ret = __lookup_inode(trans, BCACHEFS_ROOT_INO, &root_inode, &snapshot);
+ ret = lookup_inode(trans, BCACHEFS_ROOT_INO, &root_inode, &snapshot);
if (ret && !bch2_err_matches(ret, ENOENT))
return ret;
/* Get root directory, create if it doesn't exist: */
int bch2_check_root(struct bch_fs *c)
{
- int ret;
-
- ret = bch2_trans_do(c, NULL, NULL,
- BCH_TRANS_COMMIT_no_enospc|
- BCH_TRANS_COMMIT_lazy_rw,
+ int ret = bch2_trans_do(c, NULL, NULL, BCH_TRANS_COMMIT_no_enospc,
check_root_trans(trans));
bch_err_fn(c, ret);
return ret;
static bool path_is_dup(pathbuf *p, u64 inum, u32 snapshot)
{
- struct pathbuf_entry *i;
-
darray_for_each(*p, i)
if (i->inum == inum &&
i->snapshot == snapshot)
return true;
-
return false;
}
break;
}
- ret = lockrestart_do(trans,
- PTR_ERR_OR_ZERO((d = dirent_get_by_pos(trans, &dirent_iter,
- SPOS(inode->bi_dir, inode->bi_dir_offset,
- parent_snapshot))).k));
+ d = dirent_get_by_pos(trans, &dirent_iter,
+ SPOS(inode->bi_dir, inode->bi_dir_offset,
+ parent_snapshot));
+ ret = bkey_err(d.s_c);
if (ret && !bch2_err_matches(ret, ENOENT))
break;
ret = lookup_inode(trans, inode->bi_dir, inode, &snapshot);
if (ret) {
/* Should have been caught in dirents pass */
- bch_err(c, "error looking up parent directory: %i", ret);
+ if (!bch2_err_matches(ret, BCH_ERR_transaction_restart))
+ bch_err(c, "error looking up parent directory: %i", ret);
break;
}
if (path_is_dup(p, inode->bi_inum, snapshot)) {
- struct pathbuf_entry *i;
-
/* XXX print path */
bch_err(c, "directory structure loop");
pr_err("%llu:%u", i->inum, i->snapshot);
pr_err("%llu:%u", inode->bi_inum, snapshot);
- if (!fsck_err(c, dir_loop,
- "directory structure loop"))
+ if (!fsck_err(c, dir_loop, "directory structure loop"))
return 0;
- ret = commit_do(trans, NULL, NULL,
- BCH_TRANS_COMMIT_no_enospc|
- BCH_TRANS_COMMIT_lazy_rw,
- remove_backpointer(trans, inode));
- if (ret) {
- bch_err(c, "error removing dirent: %i", ret);
+ ret = remove_backpointer(trans, inode);
+ if (ret && !bch2_err_matches(ret, BCH_ERR_transaction_restart))
+ bch_err_msg(c, ret, "removing dirent");
+ if (ret)
break;
- }
ret = reattach_inode(trans, inode, snapshot);
+ if (ret && !bch2_err_matches(ret, BCH_ERR_transaction_restart))
+ bch_err_msg(c, ret, "reattaching inode %llu", inode->bi_inum);
+ break;
}
}
fsck_err:
*/
int bch2_check_directory_structure(struct bch_fs *c)
{
- 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;
- for_each_btree_key(trans, iter, BTREE_ID_inodes, POS_MIN,
- BTREE_ITER_INTENT|
- BTREE_ITER_PREFETCH|
- BTREE_ITER_ALL_SNAPSHOTS, k, ret) {
- if (!bkey_is_inode(k.k))
- continue;
+ ret = bch2_trans_run(c,
+ for_each_btree_key_commit(trans, iter, BTREE_ID_inodes, POS_MIN,
+ BTREE_ITER_INTENT|
+ BTREE_ITER_PREFETCH|
+ BTREE_ITER_ALL_SNAPSHOTS, k,
+ NULL, NULL, BCH_TRANS_COMMIT_no_enospc, ({
+ if (!bkey_is_inode(k.k))
+ continue;
- ret = bch2_inode_unpack(k, &u);
- if (ret) {
- /* Should have been caught earlier in fsck: */
- bch_err(c, "error unpacking inode %llu: %i", k.k->p.offset, ret);
- break;
- }
+ BUG_ON(bch2_inode_unpack(k, &u));
- if (u.bi_flags & BCH_INODE_unlinked)
- continue;
+ if (u.bi_flags & BCH_INODE_unlinked)
+ continue;
- ret = check_path(trans, &path, &u, iter.pos.snapshot);
- if (ret)
- break;
- }
- bch2_trans_iter_exit(trans, &iter);
- bch2_trans_put(trans);
+ check_path(trans, &path, &u, iter.pos.snapshot);
+ })));
darray_exit(&path);
+
bch_err_fn(c, ret);
return ret;
}
struct nlink_table *t,
u64 start, u64 *end)
{
- 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;
-
- for_each_btree_key(trans, iter, BTREE_ID_inodes,
- POS(0, start),
- BTREE_ITER_INTENT|
- BTREE_ITER_PREFETCH|
- BTREE_ITER_ALL_SNAPSHOTS, k, ret) {
- if (!bkey_is_inode(k.k))
- continue;
-
- /* Should never fail, checked by bch2_inode_invalid: */
- BUG_ON(bch2_inode_unpack(k, &u));
-
- /*
- * Backpointer and directory structure checks are sufficient for
- * directories, since they can't have hardlinks:
- */
- if (S_ISDIR(u.bi_mode))
- continue;
+ int ret = bch2_trans_run(c,
+ for_each_btree_key(trans, iter, BTREE_ID_inodes,
+ POS(0, start),
+ BTREE_ITER_INTENT|
+ BTREE_ITER_PREFETCH|
+ BTREE_ITER_ALL_SNAPSHOTS, k, ({
+ if (!bkey_is_inode(k.k))
+ continue;
- if (!u.bi_nlink)
- continue;
+ /* Should never fail, checked by bch2_inode_invalid: */
+ struct bch_inode_unpacked u;
+ BUG_ON(bch2_inode_unpack(k, &u));
- ret = add_nlink(c, t, k.k->p.offset, k.k->p.snapshot);
- if (ret) {
- *end = k.k->p.offset;
- ret = 0;
- break;
- }
+ /*
+ * Backpointer and directory structure checks are sufficient for
+ * directories, since they can't have hardlinks:
+ */
+ if (S_ISDIR(u.bi_mode))
+ continue;
- }
- bch2_trans_iter_exit(trans, &iter);
- bch2_trans_put(trans);
+ if (!u.bi_nlink)
+ continue;
- if (ret)
- bch_err(c, "error in fsck: btree error %i while walking inodes", ret);
+ ret = add_nlink(c, t, k.k->p.offset, k.k->p.snapshot);
+ if (ret) {
+ *end = k.k->p.offset;
+ ret = 0;
+ break;
+ }
+ 0;
+ })));
+ bch_err_fn(c, ret);
return 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 = bch2_trans_get(c);
struct snapshots_seen s;
- struct btree_iter iter;
- struct bkey_s_c k;
- struct bkey_s_c_dirent d;
- int ret;
snapshots_seen_init(&s);
- for_each_btree_key(trans, iter, BTREE_ID_dirents, POS_MIN,
- BTREE_ITER_INTENT|
- BTREE_ITER_PREFETCH|
- BTREE_ITER_ALL_SNAPSHOTS, k, ret) {
- ret = snapshots_seen_update(c, &s, iter.btree_id, k.k->p);
- if (ret)
- break;
-
- switch (k.k->type) {
- case KEY_TYPE_dirent:
- d = bkey_s_c_to_dirent(k);
+ int ret = bch2_trans_run(c,
+ for_each_btree_key(trans, iter, BTREE_ID_dirents, POS_MIN,
+ BTREE_ITER_INTENT|
+ BTREE_ITER_PREFETCH|
+ BTREE_ITER_ALL_SNAPSHOTS, k, ({
+ ret = snapshots_seen_update(c, &s, iter.btree_id, k.k->p);
+ if (ret)
+ break;
- if (d.v->d_type != DT_DIR &&
- d.v->d_type != DT_SUBVOL)
- inc_link(c, &s, links, range_start, range_end,
- le64_to_cpu(d.v->d_inum),
- bch2_snapshot_equiv(c, d.k->p.snapshot));
- break;
- }
- }
- bch2_trans_iter_exit(trans, &iter);
+ if (k.k->type == KEY_TYPE_dirent) {
+ struct bkey_s_c_dirent d = bkey_s_c_to_dirent(k);
- if (ret)
- bch_err(c, "error in fsck: btree error %i while walking dirents", ret);
+ if (d.v->d_type != DT_DIR &&
+ d.v->d_type != DT_SUBVOL)
+ inc_link(c, &s, links, range_start, range_end,
+ le64_to_cpu(d.v->d_inum),
+ bch2_snapshot_equiv(c, d.k->p.snapshot));
+ }
+ 0;
+ })));
- bch2_trans_put(trans);
snapshots_seen_exit(&s);
+
+ bch_err_fn(c, ret);
return ret;
}
struct nlink_table *links,
u64 range_start, u64 range_end)
{
- struct btree_iter iter;
- struct bkey_s_c k;
size_t idx = 0;
- int ret = 0;
- ret = bch2_trans_run(c,
+ int 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,
+ NULL, NULL, 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 walking inodes: %s", bch2_err_str(ret));
{
struct bkey_s_c_reflink_p p;
struct bkey_i_reflink_p *u;
- int ret;
if (k.k->type != KEY_TYPE_reflink_p)
return 0;
return 0;
u = bch2_trans_kmalloc(trans, sizeof(*u));
- ret = PTR_ERR_OR_ZERO(u);
+ int ret = PTR_ERR_OR_ZERO(u);
if (ret)
return ret;
int bch2_fix_reflink_p(struct bch_fs *c)
{
- struct btree_iter iter;
- struct bkey_s_c k;
- int ret;
-
if (c->sb.version >= bcachefs_metadata_version_reflink_p_fix)
return 0;
- ret = bch2_trans_run(c,
+ int ret = bch2_trans_run(c,
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, BCH_TRANS_COMMIT_no_enospc|BCH_TRANS_COMMIT_lazy_rw,
+ NULL, NULL, BCH_TRANS_COMMIT_no_enospc,
fix_reflink_p_key(trans, &iter, k)));
bch_err_fn(c, ret);
return ret;
projects / bcachefs-tools-debian / blobdiff