diff --git a/.circleci/config.yml b/.circleci/config.yml
index bb8fe945c..5f0e29313 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -89,7 +89,7 @@ jobs:
                 command: |
                   bash <(curl -s https://codecov.io/bash)
 
-  lint:
+  lint: &lint
     description: |
       Run golangci-lint.
     parameters:
@@ -124,15 +124,20 @@ jobs:
           command: |
             golangci-lint run -v \
               --concurrency << parameters.concurrency >> << parameters.args >>
+  lint-changes:
+    <<: *lint
+
+  lint-all:
+    <<: *lint
 
 
 workflows:
   version: 2
   ci:
     jobs:
-      - lint
-      - lint:
-          args: "--no-config --exclude-use-default=false --disable-all --enable golint"
+      - lint-changes:
+          args: "--new-from-rev origin/master"
+      - lint-all
       - test:
           codecov-upload: true
       - mod-tidy-check
diff --git a/.golangci.yml b/.golangci.yml
index f873557aa..8f25233e6 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -20,7 +20,6 @@ issues:
   exclude:
     - "func name will be used as test\\.Test.* by other packages, and that stutters; consider calling this"
     - "Potential file inclusion via variable"
-    - "should have( a package)? comment"
 
   exclude-use-default: false
   exclude-rules:
diff --git a/node/repo/fsrepo.go b/node/repo/fsrepo.go
index 88ad688a6..cfcb52f8d 100644
--- a/node/repo/fsrepo.go
+++ b/node/repo/fsrepo.go
@@ -25,12 +25,14 @@ const (
 	fsLock      = "repo.lock"
 )
 
+// FsRepo is struct for repo, use NewFS to create
 type FsRepo struct {
 	path string
 }
 
 var _ Repo = &FsRepo{}
 
+// APIEndpoint returns endpoint of API in this repo
 func (fsr *FsRepo) APIEndpoint() (multiaddr.Multiaddr, error) {
 	p := filepath.Join(fsr.path, fsAPI)
 	f, err := os.Open(p)
@@ -56,6 +58,7 @@ func (fsr *FsRepo) APIEndpoint() (multiaddr.Multiaddr, error) {
 	return apima, nil
 }
 
+// Lock acquires exclusive lock on this repo
 func (fsr *FsRepo) Lock() (LockedRepo, error) {
 	closer, err := fslock.Lock(fsr.path, fsLock)
 	if err != nil {