diff options
Diffstat (limited to 'fs/bcachefs/acl.c')
| -rw-r--r-- | fs/bcachefs/acl.c | 67 | 
1 files changed, 25 insertions, 42 deletions
diff --git a/fs/bcachefs/acl.c b/fs/bcachefs/acl.c index 3640f417cce1..250d6c6d3a3a 100644 --- a/fs/bcachefs/acl.c +++ b/fs/bcachefs/acl.c @@ -281,37 +281,29 @@ struct posix_acl *bch2_get_acl(struct mnt_idmap *idmap,  	struct xattr_search_key search = X_SEARCH(acl_to_xattr_type(type), "", 0);  	struct btree_trans *trans = bch2_trans_get(c);  	struct btree_iter iter = { NULL }; -	struct bkey_s_c_xattr xattr;  	struct posix_acl *acl = NULL; -	struct bkey_s_c k; -	int ret;  retry:  	bch2_trans_begin(trans); -	ret = bch2_hash_lookup(trans, &iter, bch2_xattr_hash_desc, -			&hash, inode_inum(inode), &search, 0); -	if (ret) { -		if (!bch2_err_matches(ret, ENOENT)) -			acl = ERR_PTR(ret); -		goto out; -	} - -	k = bch2_btree_iter_peek_slot(&iter); -	ret = bkey_err(k); -	if (ret) { -		acl = ERR_PTR(ret); -		goto out; -	} +	struct bkey_s_c k = bch2_hash_lookup(trans, &iter, bch2_xattr_hash_desc, +					     &hash, inode_inum(inode), &search, 0); +	int ret = bkey_err(k); +	if (ret) +		goto err; -	xattr = bkey_s_c_to_xattr(k); +	struct bkey_s_c_xattr xattr = bkey_s_c_to_xattr(k);  	acl = bch2_acl_from_disk(trans, xattr_val(xattr.v), -			le16_to_cpu(xattr.v->x_val_len)); +				 le16_to_cpu(xattr.v->x_val_len)); +	ret = PTR_ERR_OR_ZERO(acl); +err: +	if (bch2_err_matches(ret, BCH_ERR_transaction_restart)) +		goto retry; + +	if (ret) +		acl = !bch2_err_matches(ret, ENOENT) ? ERR_PTR(ret) : NULL; -	if (!IS_ERR(acl)) +	if (!IS_ERR_OR_NULL(acl))  		set_cached_acl(&inode->v, type, acl); -out: -	if (bch2_err_matches(PTR_ERR_OR_ZERO(acl), BCH_ERR_transaction_restart)) -		goto retry;  	bch2_trans_iter_exit(trans, &iter);  	bch2_trans_put(trans); @@ -368,7 +360,7 @@ retry:  	ret   = bch2_subvol_is_ro_trans(trans, inode->ei_subvol) ?:  		bch2_inode_peek(trans, &inode_iter, &inode_u, inode_inum(inode), -			      BTREE_ITER_INTENT); +			      BTREE_ITER_intent);  	if (ret)  		goto btree_err; @@ -416,39 +408,30 @@ int bch2_acl_chmod(struct btree_trans *trans, subvol_inum inum,  	struct bch_hash_info hash_info = bch2_hash_info_init(trans->c, inode);  	struct xattr_search_key search = X_SEARCH(KEY_TYPE_XATTR_INDEX_POSIX_ACL_ACCESS, "", 0);  	struct btree_iter iter; -	struct bkey_s_c_xattr xattr; -	struct bkey_i_xattr *new;  	struct posix_acl *acl = NULL; -	struct bkey_s_c k; -	int ret; -	ret = bch2_hash_lookup(trans, &iter, bch2_xattr_hash_desc, -			       &hash_info, inum, &search, BTREE_ITER_INTENT); +	struct bkey_s_c k = bch2_hash_lookup(trans, &iter, bch2_xattr_hash_desc, +			       &hash_info, inum, &search, BTREE_ITER_intent); +	int ret = bkey_err(k);  	if (ret)  		return bch2_err_matches(ret, ENOENT) ? 0 : ret; -	k = bch2_btree_iter_peek_slot(&iter); -	ret = bkey_err(k); -	if (ret) -		goto err; -	xattr = bkey_s_c_to_xattr(k); +	struct bkey_s_c_xattr xattr = bkey_s_c_to_xattr(k);  	acl = bch2_acl_from_disk(trans, xattr_val(xattr.v),  			le16_to_cpu(xattr.v->x_val_len));  	ret = PTR_ERR_OR_ZERO(acl); -	if (IS_ERR_OR_NULL(acl)) +	if (ret)  		goto err; -	ret = allocate_dropping_locks_errcode(trans, -				__posix_acl_chmod(&acl, _gfp, mode)); +	ret = allocate_dropping_locks_errcode(trans, __posix_acl_chmod(&acl, _gfp, mode));  	if (ret)  		goto err; -	new = bch2_acl_to_xattr(trans, acl, ACL_TYPE_ACCESS); -	if (IS_ERR(new)) { -		ret = PTR_ERR(new); +	struct bkey_i_xattr *new = bch2_acl_to_xattr(trans, acl, ACL_TYPE_ACCESS); +	ret = PTR_ERR_OR_ZERO(new); +	if (ret)  		goto err; -	}  	new->k.p = iter.pos;  	ret = bch2_trans_update(trans, &iter, &new->k_i, 0);  |