fs/bcachefs/dirent.c

8 #include "dirent.h"
123 			 "dirent name too big (%u > %u)",
128 			 "dirent has stray data after name's NUL");
142 			 "dirent points to own directory");
168 	struct bkey_i_dirent *dirent;
176 	dirent = bch2_trans_kmalloc(trans, u64s * sizeof(u64));
177 	if (IS_ERR(dirent))
178 		return dirent;
180 	bkey_dirent_init(&dirent->k_i);
181 	dirent->k.u64s = u64s;
184 		dirent->v.d_inum = cpu_to_le64(dst);
186 		dirent->v.d_parent_subvol = cpu_to_le32(dir.subvol);
187 		dirent->v.d_child_subvol = cpu_to_le32(dst);
190 	dirent->v.d_type = type;
192 	memcpy(dirent->v.d_name, name->name, name->len);
193 	memset(dirent->v.d_name + name->len, 0,
194 	       bkey_val_bytes(&dirent->k) -
198 	EBUG_ON(bch2_dirent_name_bytes(dirent_i_to_s_c(dirent)) != name->len);
200 	return dirent;
211 	struct bkey_i_dirent *dirent;
214 	dirent = dirent_create_key(trans, dir_inum, type, name, dst_inum);
215 	ret = PTR_ERR_OR_ZERO(dirent);
219 	dirent->k.p.inode	= dir;
220 	dirent->k.p.snapshot	= snapshot;
224 					&dirent->k_i, str_hash_flags,
226 	*dir_offset = dirent->k.p.offset;
237 	struct bkey_i_dirent *dirent;
240 	dirent = dirent_create_key(trans, dir, type, name, dst_inum);
241 	ret = PTR_ERR_OR_ZERO(dirent);
246 			    dir, &dirent->k_i, str_hash_flags);
247 	*dir_offset = dirent->k.p.offset;
428 	 * If we're deleting a subvolume we need to really delete the dirent,
430 	 * single dirent that points to a given subvolume.
549 	struct bkey_s_c_dirent dirent;
570 		dirent = bkey_s_c_to_dirent(k);
572 		ret = bch2_dirent_read_target(trans, inum, dirent, &target);
580 		dirent = bkey_i_to_s_c_dirent(sk.k);
583 		name = bch2_dirent_get_name(dirent);
585 		ctx->pos = dirent.k->p.offset;
589 			      vfs_d_type(dirent.v->d_type)))
591 		ctx->pos = dirent.k->p.offset + 1;