]> git.sesse.net Git - bcachefs-tools-debian/blobdiff - libbcachefs/fs-common.c
Fixes tests which have broken since 'list' improvements
[bcachefs-tools-debian] / libbcachefs / fs-common.c
index fdd2b9b6716f571e270758de2a237df3419db480..878419d409927c7d33902993d0f37a4b5357e362 100644 (file)
@@ -19,15 +19,15 @@ int bch2_create_trans(struct btree_trans *trans, u64 dir_inum,
                      struct posix_acl *acl)
 {
        struct bch_fs *c = trans->c;
-       struct btree_iter *dir_iter;
+       struct btree_iter *dir_iter = NULL;
        struct bch_hash_info hash = bch2_hash_info_init(c, new_inode);
        u64 now = bch2_current_time(trans->c);
        int ret;
 
-       dir_iter = bch2_inode_peek(trans, dir_u, dir_inum,
-                                  name ? BTREE_ITER_INTENT : 0);
-       if (IS_ERR(dir_iter))
-               return PTR_ERR(dir_iter);
+       dir_iter = bch2_inode_peek(trans, dir_u, dir_inum, BTREE_ITER_INTENT);
+       ret = PTR_ERR_OR_ZERO(dir_iter);
+       if (ret)
+               goto err;
 
        bch2_inode_init_late(new_inode, now, uid, gid, mode, rdev, dir_u);
 
@@ -38,20 +38,20 @@ int bch2_create_trans(struct btree_trans *trans, u64 dir_inum,
                                BLOCKDEV_INODE_MAX, 0,
                                &c->unused_inode_hint);
        if (ret)
-               return ret;
+               goto err;
 
        if (default_acl) {
                ret = bch2_set_acl_trans(trans, new_inode, &hash,
                                         default_acl, ACL_TYPE_DEFAULT);
                if (ret)
-                       return ret;
+                       goto err;
        }
 
        if (acl) {
                ret = bch2_set_acl_trans(trans, new_inode, &hash,
                                         acl, ACL_TYPE_ACCESS);
                if (ret)
-                       return ret;
+                       goto err;
        }
 
        if (name) {
@@ -63,46 +63,55 @@ int bch2_create_trans(struct btree_trans *trans, u64 dir_inum,
 
                ret = bch2_inode_write(trans, dir_iter, dir_u);
                if (ret)
-                       return ret;
+                       goto err;
 
                ret = bch2_dirent_create(trans, dir_inum, &dir_hash,
                                         mode_to_type(new_inode->bi_mode),
                                         name, new_inode->bi_inum,
                                         BCH_HASH_SET_MUST_CREATE);
                if (ret)
-                       return ret;
+                       goto err;
        }
-
-       return 0;
+err:
+       bch2_trans_iter_put(trans, dir_iter);
+       return ret;
 }
 
-int bch2_link_trans(struct btree_trans *trans,
-                   u64 dir_inum,
-                   u64 inum, struct bch_inode_unpacked *inode_u,
-                   const struct qstr *name)
+int bch2_link_trans(struct btree_trans *trans, u64 dir_inum,
+                   u64 inum, struct bch_inode_unpacked *dir_u,
+                   struct bch_inode_unpacked *inode_u, const struct qstr *name)
 {
-       struct btree_iter *dir_iter, *inode_iter;
-       struct bch_inode_unpacked dir_u;
+       struct btree_iter *dir_iter = NULL, *inode_iter = NULL;
        struct bch_hash_info dir_hash;
        u64 now = bch2_current_time(trans->c);
-
-       dir_iter = bch2_inode_peek(trans, &dir_u, dir_inum, 0);
-       if (IS_ERR(dir_iter))
-               return PTR_ERR(dir_iter);
+       int ret;
 
        inode_iter = bch2_inode_peek(trans, inode_u, inum, BTREE_ITER_INTENT);
-       if (IS_ERR(inode_iter))
-               return PTR_ERR(inode_iter);
-
-       dir_hash = bch2_hash_info_init(trans->c, &dir_u);
+       ret = PTR_ERR_OR_ZERO(inode_iter);
+       if (ret)
+               goto err;
 
        inode_u->bi_ctime = now;
        bch2_inode_nlink_inc(inode_u);
 
-       return bch2_dirent_create(trans, dir_inum, &dir_hash,
+       dir_iter = bch2_inode_peek(trans, dir_u, dir_inum, 0);
+       ret = PTR_ERR_OR_ZERO(dir_iter);
+       if (ret)
+               goto err;
+
+       dir_u->bi_mtime = dir_u->bi_ctime = now;
+
+       dir_hash = bch2_hash_info_init(trans->c, dir_u);
+
+       ret =   bch2_dirent_create(trans, dir_inum, &dir_hash,
                                  mode_to_type(inode_u->bi_mode),
                                  name, inum, BCH_HASH_SET_MUST_CREATE) ?:
+               bch2_inode_write(trans, dir_iter, dir_u) ?:
                bch2_inode_write(trans, inode_iter, inode_u);
+err:
+       bch2_trans_iter_put(trans, dir_iter);
+       bch2_trans_iter_put(trans, inode_iter);
+       return ret;
 }
 
 int bch2_unlink_trans(struct btree_trans *trans,
@@ -110,39 +119,49 @@ int bch2_unlink_trans(struct btree_trans *trans,
                      struct bch_inode_unpacked *inode_u,
                      const struct qstr *name)
 {
-       struct btree_iter *dir_iter, *dirent_iter, *inode_iter;
+       struct btree_iter *dir_iter = NULL, *dirent_iter = NULL,
+                         *inode_iter = NULL;
        struct bch_hash_info dir_hash;
        u64 inum, now = bch2_current_time(trans->c);
        struct bkey_s_c k;
+       int ret;
 
        dir_iter = bch2_inode_peek(trans, dir_u, dir_inum, BTREE_ITER_INTENT);
-       if (IS_ERR(dir_iter))
-               return PTR_ERR(dir_iter);
+       ret = PTR_ERR_OR_ZERO(dir_iter);
+       if (ret)
+               goto err;
 
        dir_hash = bch2_hash_info_init(trans->c, dir_u);
 
-       dirent_iter = __bch2_dirent_lookup_trans(trans, dir_inum,
-                                                &dir_hash, name);
-       if (IS_ERR(dirent_iter))
-               return PTR_ERR(dirent_iter);
+       dirent_iter = __bch2_dirent_lookup_trans(trans, dir_inum, &dir_hash,
+                                                name, BTREE_ITER_INTENT);
+       ret = PTR_ERR_OR_ZERO(dirent_iter);
+       if (ret)
+               goto err;
 
        k = bch2_btree_iter_peek_slot(dirent_iter);
        inum = le64_to_cpu(bkey_s_c_to_dirent(k).v->d_inum);
 
        inode_iter = bch2_inode_peek(trans, inode_u, inum, BTREE_ITER_INTENT);
-       if (IS_ERR(inode_iter))
-               return PTR_ERR(inode_iter);
+       ret = PTR_ERR_OR_ZERO(inode_iter);
+       if (ret)
+               goto err;
 
        dir_u->bi_mtime = dir_u->bi_ctime = inode_u->bi_ctime = now;
        dir_u->bi_nlink -= S_ISDIR(inode_u->bi_mode);
        bch2_inode_nlink_dec(inode_u);
 
-       return  (S_ISDIR(inode_u->bi_mode)
+       ret =   (S_ISDIR(inode_u->bi_mode)
                 ? bch2_empty_dir_trans(trans, inum)
                 : 0) ?:
                bch2_dirent_delete_at(trans, &dir_hash, dirent_iter) ?:
                bch2_inode_write(trans, dir_iter, dir_u) ?:
                bch2_inode_write(trans, inode_iter, inode_u);
+err:
+       bch2_trans_iter_put(trans, inode_iter);
+       bch2_trans_iter_put(trans, dirent_iter);
+       bch2_trans_iter_put(trans, dir_iter);
+       return ret;
 }
 
 bool bch2_reinherit_attrs(struct bch_inode_unpacked *dst_u,
@@ -178,24 +197,26 @@ int bch2_rename_trans(struct btree_trans *trans,
                      const struct qstr *dst_name,
                      enum bch_rename_mode mode)
 {
-       struct btree_iter *src_dir_iter, *dst_dir_iter = NULL;
-       struct btree_iter *src_inode_iter, *dst_inode_iter = NULL;
+       struct btree_iter *src_dir_iter = NULL, *dst_dir_iter = NULL;
+       struct btree_iter *src_inode_iter = NULL, *dst_inode_iter = NULL;
        struct bch_hash_info src_hash, dst_hash;
        u64 src_inode, dst_inode, now = bch2_current_time(trans->c);
        int ret;
 
        src_dir_iter = bch2_inode_peek(trans, src_dir_u, src_dir,
                                       BTREE_ITER_INTENT);
-       if (IS_ERR(src_dir_iter))
-               return PTR_ERR(src_dir_iter);
+       ret = PTR_ERR_OR_ZERO(src_dir_iter);
+       if (ret)
+               goto err;
 
        src_hash = bch2_hash_info_init(trans->c, src_dir_u);
 
        if (dst_dir != src_dir) {
                dst_dir_iter = bch2_inode_peek(trans, dst_dir_u, dst_dir,
                                               BTREE_ITER_INTENT);
-               if (IS_ERR(dst_dir_iter))
-                       return PTR_ERR(dst_dir_iter);
+               ret = PTR_ERR_OR_ZERO(dst_dir_iter);
+               if (ret)
+                       goto err;
 
                dst_hash = bch2_hash_info_init(trans->c, dst_dir_u);
        } else {
@@ -210,38 +231,48 @@ int bch2_rename_trans(struct btree_trans *trans,
                                 dst_name, &dst_inode,
                                 mode);
        if (ret)
-               return ret;
+               goto err;
 
        src_inode_iter = bch2_inode_peek(trans, src_inode_u, src_inode,
                                         BTREE_ITER_INTENT);
-       if (IS_ERR(src_inode_iter))
-               return PTR_ERR(src_inode_iter);
+       ret = PTR_ERR_OR_ZERO(src_inode_iter);
+       if (ret)
+               goto err;
 
        if (dst_inode) {
                dst_inode_iter = bch2_inode_peek(trans, dst_inode_u, dst_inode,
                                                 BTREE_ITER_INTENT);
-               if (IS_ERR(dst_inode_iter))
-                       return PTR_ERR(dst_inode_iter);
+               ret = PTR_ERR_OR_ZERO(dst_inode_iter);
+               if (ret)
+                       goto err;
        }
 
        if (mode == BCH_RENAME_OVERWRITE) {
                if (S_ISDIR(src_inode_u->bi_mode) !=
-                   S_ISDIR(dst_inode_u->bi_mode))
-                       return -ENOTDIR;
+                   S_ISDIR(dst_inode_u->bi_mode)) {
+                       ret = -ENOTDIR;
+                       goto err;
+               }
 
                if (S_ISDIR(dst_inode_u->bi_mode) &&
-                   bch2_empty_dir_trans(trans, dst_inode))
-                       return -ENOTEMPTY;
+                   bch2_empty_dir_trans(trans, dst_inode)) {
+                       ret = -ENOTEMPTY;
+                       goto err;
+               }
        }
 
        if (bch2_reinherit_attrs(src_inode_u, dst_dir_u) &&
-           S_ISDIR(src_inode_u->bi_mode))
-               return -EXDEV;
+           S_ISDIR(src_inode_u->bi_mode)) {
+               ret = -EXDEV;
+               goto err;
+       }
 
        if (mode == BCH_RENAME_EXCHANGE &&
            bch2_reinherit_attrs(dst_inode_u, src_dir_u) &&
-           S_ISDIR(dst_inode_u->bi_mode))
-               return -EXDEV;
+           S_ISDIR(dst_inode_u->bi_mode)) {
+               ret = -EXDEV;
+               goto err;
+       }
 
        if (S_ISDIR(src_inode_u->bi_mode)) {
                src_dir_u->bi_nlink--;
@@ -269,7 +300,7 @@ int bch2_rename_trans(struct btree_trans *trans,
        if (dst_inode)
                dst_inode_u->bi_ctime   = now;
 
-       return  bch2_inode_write(trans, src_dir_iter, src_dir_u) ?:
+       ret =   bch2_inode_write(trans, src_dir_iter, src_dir_u) ?:
                (src_dir != dst_dir
                 ? bch2_inode_write(trans, dst_dir_iter, dst_dir_u)
                 : 0 ) ?:
@@ -277,4 +308,10 @@ int bch2_rename_trans(struct btree_trans *trans,
                (dst_inode
                 ? bch2_inode_write(trans, dst_inode_iter, dst_inode_u)
                 : 0 );
+err:
+       bch2_trans_iter_put(trans, dst_inode_iter);
+       bch2_trans_iter_put(trans, src_inode_iter);
+       bch2_trans_iter_put(trans, dst_dir_iter);
+       bch2_trans_iter_put(trans, src_dir_iter);
+       return ret;
 }