From 1e6d67b16d4ba1af5a117959c867a693214d9bcd Mon Sep 17 00:00:00 2001
From: Harshavardhana <harsha@minio.io>
Date: Wed, 14 Sep 2016 13:43:08 -0700
Subject: [PATCH] server: Remove deadcode. (#2699)

---
 cmd/format-config-v1_test.go |  8 ++++----
 cmd/fs-v1.go                 |  4 ++--
 cmd/posix-errors.go          | 11 -----------
 cmd/xl-v1-errors.go          |  3 ---
 cmd/xl-v1-healing.go         | 11 -----------
 5 files changed, 6 insertions(+), 31 deletions(-)

diff --git a/cmd/format-config-v1_test.go b/cmd/format-config-v1_test.go
index a9c44cc37..515ea31fd 100644
--- a/cmd/format-config-v1_test.go
+++ b/cmd/format-config-v1_test.go
@@ -629,19 +629,19 @@ func TestReduceFormatErrs(t *testing.T) {
 	}
 	// One corrupted format
 	if err := reduceFormatErrs([]error{nil, nil, errCorruptedFormat, nil}, 4); err != errCorruptedFormat {
-		t.Fatal("Got a differnt error: ", err)
+		t.Fatal("Got a different error: ", err)
 	}
 	// All disks unformatted
 	if err := reduceFormatErrs([]error{errUnformattedDisk, errUnformattedDisk, errUnformattedDisk, errUnformattedDisk}, 4); err != errUnformattedDisk {
-		t.Fatal("Got a differnt error: ", err)
+		t.Fatal("Got a different error: ", err)
 	}
 	// Some disks unformatted
 	if err := reduceFormatErrs([]error{nil, nil, errUnformattedDisk, errUnformattedDisk}, 4); err != errSomeDiskUnformatted {
-		t.Fatal("Got a differnt error: ", err)
+		t.Fatal("Got a different error: ", err)
 	}
 	// Some disks offline
 	if err := reduceFormatErrs([]error{nil, nil, errDiskNotFound, errUnformattedDisk}, 4); err != errSomeDiskOffline {
-		t.Fatal("Got a differnt error: ", err)
+		t.Fatal("Got a different error: ", err)
 	}
 }
 
diff --git a/cmd/fs-v1.go b/cmd/fs-v1.go
index b9ee3380e..c86a482d8 100644
--- a/cmd/fs-v1.go
+++ b/cmd/fs-v1.go
@@ -117,14 +117,14 @@ func (fs fsObjects) Shutdown() error {
 	_, err := fs.storage.ListDir(minioMetaBucket, mpartMetaPrefix)
 	if err != errFileNotFound {
 		// A nil err means that multipart directory is not empty hence do not remove '.minio.sys' volume.
-		// A non nil err means that an unexpected error occured
+		// A non nil err means that an unexpected error occurred
 		return err
 	}
 	// List if there are any bucket configuration entries.
 	_, err = fs.storage.ListDir(minioMetaBucket, bucketConfigPrefix)
 	if err != errFileNotFound {
 		// A nil err means that bucket config directory is not empty hence do not remove '.minio.sys' volume.
-		// A non nil err means that an unexpected error occured
+		// A non nil err means that an unexpected error occurred
 		return err
 	}
 	// Cleanup everything else.
diff --git a/cmd/posix-errors.go b/cmd/posix-errors.go
index 0fc152822..bbdc60495 100644
--- a/cmd/posix-errors.go
+++ b/cmd/posix-errors.go
@@ -33,17 +33,6 @@ func isSysErrNotDir(err error) bool {
 	return false
 }
 
-// Check if the given error corresponds to EISDIR (is a directory)
-func isSysErrIsDir(err error) bool {
-	if pathErr, ok := err.(*os.PathError); ok {
-		switch pathErr.Err {
-		case syscall.EISDIR:
-			return true
-		}
-	}
-	return false
-}
-
 // Check if the given error corresponds to ENOTEMPTY for unix
 // and ERROR_DIR_NOT_EMPTY for windows (directory not empty)
 func isSysErrNotEmpty(err error) bool {
diff --git a/cmd/xl-v1-errors.go b/cmd/xl-v1-errors.go
index 582f80f82..faa03e92f 100644
--- a/cmd/xl-v1-errors.go
+++ b/cmd/xl-v1-errors.go
@@ -27,9 +27,6 @@ var errXLMinDisks = errors.New("Minimum '4' disks are required to enable erasure
 // errXLNumDisks - returned for odd number of disks.
 var errXLNumDisks = errors.New("Total number of disks should be multiples of '2'")
 
-// errXLDuplicateArguments - returned for duplicate disks.
-var errXLDuplicateArguments = errors.New("Duplicate disks found.")
-
 // errXLReadQuorum - did not meet read quorum.
 var errXLReadQuorum = errors.New("Read failed. Insufficient number of disks online")
 
diff --git a/cmd/xl-v1-healing.go b/cmd/xl-v1-healing.go
index 73b0768c1..5fc320652 100644
--- a/cmd/xl-v1-healing.go
+++ b/cmd/xl-v1-healing.go
@@ -119,17 +119,6 @@ func outDatedDisks(disks []StorageAPI, partsMetadata []xlMetaV1, errs []error) (
 	return outDatedDisks
 }
 
-// Return xlMetaV1 of the latest version of the object.
-func xlLatestMetadata(partsMetadata []xlMetaV1, errs []error) (latestMeta xlMetaV1) {
-	// List all the file commit ids from parts metadata.
-	modTimes := listObjectModtimes(partsMetadata, errs)
-
-	// Reduce list of UUIDs to a single common value.
-	modTime := commonTime(modTimes)
-
-	return pickValidXLMeta(partsMetadata, modTime)
-}
-
 // Returns if the object should be healed.
 func xlShouldHeal(partsMetadata []xlMetaV1, errs []error) bool {
 	modTime := commonTime(listObjectModtimes(partsMetadata, errs))