fixes

test/fuse_integration/posix_Makefile

@@ -7,6 +7,7 @@ TEST_TIMEOUT := 45m
 COVERAGE_FILE := posix_coverage.out
 REPORT_DIR := reports
 EXTERNAL_TOOLS_DIR := external_tools
+MOUNT_POINT ?= /tmp/seaweedfs_mount
 
 # Test categories
 POSIX_BASIC_TESTS := posix_compliance_test.go
@@ -244,7 +245,7 @@ create-fio-configs: setup-reports
 	@echo "time_based" >> $(REPORT_DIR)/fio_random_rw.conf
 	@echo "" >> $(REPORT_DIR)/fio_random_rw.conf
 	@echo "[random_rw_test]" >> $(REPORT_DIR)/fio_random_rw.conf
-	@echo "directory=/tmp/seaweedfs_mount" >> $(REPORT_DIR)/fio_random_rw.conf
+	@echo "directory=$(MOUNT_POINT)" >> $(REPORT_DIR)/fio_random_rw.conf
 	@echo "[global]" > $(REPORT_DIR)/fio_sequential.conf
 	@echo "name=posix_sequential" >> $(REPORT_DIR)/fio_sequential.conf
 	@echo "ioengine=sync" >> $(REPORT_DIR)/fio_sequential.conf
@@ -257,11 +258,11 @@ create-fio-configs: setup-reports
 	@echo "" >> $(REPORT_DIR)/fio_sequential.conf
 	@echo "[seq_write]" >> $(REPORT_DIR)/fio_sequential.conf
 	@echo "rw=write" >> $(REPORT_DIR)/fio_sequential.conf
-	@echo "directory=/tmp/seaweedfs_mount" >> $(REPORT_DIR)/fio_sequential.conf
+	@echo "directory=$(MOUNT_POINT)" >> $(REPORT_DIR)/fio_sequential.conf
 	@echo "" >> $(REPORT_DIR)/fio_sequential.conf
 	@echo "[seq_read]" >> $(REPORT_DIR)/fio_sequential.conf
 	@echo "rw=read" >> $(REPORT_DIR)/fio_sequential.conf
-	@echo "directory=/tmp/seaweedfs_mount" >> $(REPORT_DIR)/fio_sequential.conf
+	@echo "directory=$(MOUNT_POINT)" >> $(REPORT_DIR)/fio_sequential.conf
 
 # Reporting and analysis
 generate-report: setup-reports

test/fuse_integration/posix_compliance_test.go

@@ -325,8 +325,11 @@ func (s *POSIXComplianceTestSuite) TestTimestamps(t *testing.T) {
 		stat2, err := os.Stat(testFile)
 		require.NoError(t, err)
 
-		// Access time should have changed (or at least not be earlier)
-		require.True(t, stat2.ModTime().Equal(stat1.ModTime()) || stat2.ModTime().After(stat1.ModTime()))
+		// Access time should have been updated, and modification time should be unchanged.
+		stat1Sys := stat1.Sys().(*syscall.Stat_t)
+		stat2Sys := stat2.Sys().(*syscall.Stat_t)
+		require.True(t, stat2Sys.Atimespec.Nano() >= stat1Sys.Atimespec.Nano(), "access time should be updated or stay the same")
+		require.Equal(t, stat1.ModTime(), stat2.ModTime(), "modification time should not change on read")
 	})
 
 	t.Run("ModificationTime", func(t *testing.T) {
@@ -445,6 +448,37 @@ func (s *POSIXComplianceTestSuite) TestIOOperations(t *testing.T) {
 		require.NoError(t, err)
 		require.Equal(t, 1, n)
 		require.Equal(t, []byte("A"), buffer)
+
+		// Test positioned I/O operations (pread/pwrite)
+		syscall.Close(fd)
+
+		// Open for read/write to test pwrite
+		fd, err = syscall.Open(testFile, syscall.O_RDWR, 0)
+		require.NoError(t, err)
+		defer syscall.Close(fd)
+
+		// Positioned write test
+		writeData := []byte("XYZ")
+		n, err = syscall.Pwrite(fd, writeData, 5) // pwrite at offset 5
+		require.NoError(t, err)
+		require.Equal(t, len(writeData), n)
+
+		// Verify file position is unchanged by pwrite
+		currentPos, err := syscall.Seek(fd, 0, 1) // SEEK_CUR
+		require.NoError(t, err)
+		require.Equal(t, int64(0), currentPos, "file offset should not be changed by pwrite")
+
+		// Read back with pread
+		readBuffer := make([]byte, len(writeData))
+		n, err = syscall.Pread(fd, readBuffer, 5) // pread at offset 5
+		require.NoError(t, err)
+		require.Equal(t, len(writeData), n)
+		require.Equal(t, writeData, readBuffer)
+
+		// Verify file position is still unchanged by pread
+		currentPos, err = syscall.Seek(fd, 0, 1) // SEEK_CUR
+		require.NoError(t, err)
+		require.Equal(t, int64(0), currentPos, "file offset should not be changed by pread")
 	})
 
 	t.Run("AppendMode", func(t *testing.T) {

test/fuse_integration/posix_extended_test.go

@@ -207,29 +207,28 @@ func (s *POSIXExtendedTestSuite) TestAdvancedIO(t *testing.T) {
 		require.NoError(t, err)
 		defer syscall.Close(fd)
 
-		// Positioned I/O test - use standard library approach
-		_, err = syscall.Seek(fd, 5, 0) // Seek to position 5
-		require.NoError(t, err)
-
+		// Positioned I/O test
 		writeData := []byte("XYZ")
-		n, err := syscall.Write(fd, writeData)
+		n, err := syscall.Pwrite(fd, writeData, 5) // pwrite at offset 5
 		require.NoError(t, err)
 		require.Equal(t, len(writeData), n)
 
-		// Seek back and read
-		_, err = syscall.Seek(fd, 5, 0)
+		// Verify file position is unchanged
+		currentPos, err := syscall.Seek(fd, 0, 1) // SEEK_CUR
 		require.NoError(t, err)
+		require.Equal(t, int64(0), currentPos, "file offset should not be changed by pwrite")
 
+		// Read back with pread
 		readBuffer := make([]byte, len(writeData))
-		n, err = syscall.Read(fd, readBuffer)
+		n, err = syscall.Pread(fd, readBuffer, 5) // pread at offset 5
 		require.NoError(t, err)
 		require.Equal(t, len(writeData), n)
 		require.Equal(t, writeData, readBuffer)
 
-		// Verify file position wasn't changed by pread/pwrite
-		currentPos, err := syscall.Seek(fd, 0, 1) // SEEK_CUR
+		// Verify file position is still unchanged
+		currentPos, err = syscall.Seek(fd, 0, 1) // SEEK_CUR
 		require.NoError(t, err)
-		require.Equal(t, int64(0), currentPos) // Should still be at beginning
+		require.Equal(t, int64(0), currentPos, "file offset should not be changed by pread")
 	})
 }
 

test/fuse_integration/posix_external_test.go

@@ -1,7 +1,6 @@
 package fuse
 
 import (
-	"bufio"
 	"fmt"
 	"os"
 	"os/exec"
@@ -171,9 +170,17 @@ set -e
 cd "$1"
 echo "test" > original
 ln original hardlink
-[ $(stat -c %h original) -eq 2 ]
+if [[ "$(uname)" == "Darwin" ]]; then
+  [ $(stat -f %l original) -eq 2 ]
+else
+  [ $(stat -c %h original) -eq 2 ]
+fi
 rm hardlink
-[ $(stat -c %h original) -eq 1 ]
+if [[ "$(uname)" == "Darwin" ]]; then
+  [ $(stat -f %l original) -eq 1 ]
+else
+  [ $(stat -c %h original) -eq 1 ]
+fi
 echo "PASS: Hard link counting works"
 `,
 		},
@@ -530,37 +537,3 @@ func (s *ExternalPOSIXTestSuite) testEdgeCases(t *testing.T, mountPoint string)
 		}
 	})
 }
-
-// ReportPOSIXCompliance generates a comprehensive POSIX compliance report
-func (s *ExternalPOSIXTestSuite) ReportPOSIXCompliance(t *testing.T) {
-	reportPath := filepath.Join(s.workDir, "posix_compliance_report.txt")
-	file, err := os.Create(reportPath)
-	require.NoError(t, err)
-	defer file.Close()
-
-	writer := bufio.NewWriter(file)
-	defer writer.Flush()
-
-	fmt.Fprintf(writer, "SeaweedFS FUSE POSIX Compliance Report\n")
-	fmt.Fprintf(writer, "=====================================\n")
-	fmt.Fprintf(writer, "Generated: %s\n\n", time.Now().Format(time.RFC3339))
-
-	fmt.Fprintf(writer, "Mount Point: %s\n", s.framework.GetMountPoint())
-	fmt.Fprintf(writer, "Filer Address: %s\n\n", s.framework.GetFilerAddr())
-
-	// This would be populated by running the actual tests and collecting results
-	fmt.Fprintf(writer, "Test Results Summary:\n")
-	fmt.Fprintf(writer, "--------------------\n")
-	fmt.Fprintf(writer, "Basic File Operations: PASS\n")
-	fmt.Fprintf(writer, "Directory Operations: PASS\n")
-	fmt.Fprintf(writer, "Symlink Operations: PASS\n")
-	fmt.Fprintf(writer, "Permission Tests: PASS\n")
-	fmt.Fprintf(writer, "Timestamp Tests: PASS\n")
-	fmt.Fprintf(writer, "Extended Attributes: CONDITIONAL\n")
-	fmt.Fprintf(writer, "File Locking: PASS\n")
-	fmt.Fprintf(writer, "Advanced I/O: PARTIAL\n")
-	fmt.Fprintf(writer, "Memory Mapping: PASS\n")
-	fmt.Fprintf(writer, "External Test Suites: VARIABLE\n")
-
-	t.Logf("POSIX compliance report generated: %s", reportPath)
-}