diff options
Diffstat (limited to 'fs/bcachefs/fs-common.c')
| -rw-r--r-- | fs/bcachefs/fs-common.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/fs/bcachefs/fs-common.c b/fs/bcachefs/fs-common.c index 523507e38887..2aa388110597 100644 --- a/fs/bcachefs/fs-common.c +++ b/fs/bcachefs/fs-common.c @@ -107,6 +107,7 @@ int bch2_create_trans(struct btree_trans *trans, u32 new_subvol, dir_snapshot; ret = bch2_subvolume_create(trans, new_inode->bi_inum, + dir.subvol, snapshot_src.subvol, &new_subvol, &snapshot, (flags & BCH_CREATE_SNAPSHOT_RO) != 0); @@ -349,6 +350,22 @@ bool bch2_reinherit_attrs(struct bch_inode_unpacked *dst_u, return ret; } +static int subvol_update_parent(struct btree_trans *trans, u32 subvol, u32 new_parent) +{ + struct btree_iter iter; + struct bkey_i_subvolume *s = + bch2_bkey_get_mut_typed(trans, &iter, + BTREE_ID_subvolumes, POS(0, subvol), + BTREE_ITER_CACHED, subvolume); + int ret = PTR_ERR_OR_ZERO(s); + if (ret) + return ret; + + s->v.fs_path_parent = cpu_to_le32(new_parent); + bch2_trans_iter_exit(trans, &iter); + return 0; +} + int bch2_rename_trans(struct btree_trans *trans, subvol_inum src_dir, struct bch_inode_unpacked *src_dir_u, subvol_inum dst_dir, struct bch_inode_unpacked *dst_dir_u, @@ -410,6 +427,21 @@ int bch2_rename_trans(struct btree_trans *trans, goto err; } + if (src_inode_u->bi_subvol && + dst_dir.subvol != src_inode_u->bi_parent_subvol) { + ret = subvol_update_parent(trans, src_inode_u->bi_subvol, dst_dir.subvol); + if (ret) + goto err; + } + + if (mode == BCH_RENAME_EXCHANGE && + dst_inode_u->bi_subvol && + src_dir.subvol != dst_inode_u->bi_parent_subvol) { + ret = subvol_update_parent(trans, dst_inode_u->bi_subvol, src_dir.subvol); + if (ret) + goto err; + } + /* Can't move across subvolumes, unless it's a subvolume root: */ if (src_dir.subvol != dst_dir.subvol && (!src_inode_u->bi_subvol || |