Fix a few typos

It is an idea of running codespell as part of our presubmit checks.
Before enabling it for new changes, let's fix what it has found.

Signed-off-by: Andrei Vagin <avagin@gmail.com>

pkg/abi/linux/capability.go

@@ -68,7 +68,7 @@ const (
 	CAP_CHECKPOINT_RESTORE = Capability(40)
 
 	// CAP_LAST_CAP is the highest-numbered capability.
-	// Seach for "CAP_LAST_CAP" to find other places that need to change.
+	// Search for "CAP_LAST_CAP" to find other places that need to change.
 	CAP_LAST_CAP = CAP_CHECKPOINT_RESTORE
 )
 

pkg/abi/linux/fuse.go

@@ -139,7 +139,7 @@ type FUSEHeaderOut struct {
 var SizeOfFUSEHeaderOut = uint32((*FUSEHeaderOut)(nil).SizeBytes())
 
 // FUSE_INIT flags, consistent with the ones in include/uapi/linux/fuse.h.
-// Our taget version is 7.23 but we have few implemented in advance.
+// Our target version is 7.23 but we have few implemented in advance.
 const (
 	FUSE_ASYNC_READ       = 1 << 0
 	FUSE_POSIX_LOCKS      = 1 << 1
@@ -299,7 +299,7 @@ type FUSEGetAttrIn struct {
 	Fh uint64
 }
 
-// FUSEAttr is the struct used in the reponse FUSEGetAttrOut.
+// FUSEAttr is the struct used in the response FUSEGetAttrOut.
 //
 // +marshal
 type FUSEAttr struct {

pkg/abi/linux/mqueue.go

@@ -43,7 +43,7 @@ const (
 	NOTIFY_COOKIE_LEN = 32
 )
 
-// MqAttr is equivelant to struct mq_attr. Source: include/uapi/linux/mqueue.h
+// MqAttr is equivalent to struct mq_attr. Source: include/uapi/linux/mqueue.h
 //
 // +marshal
 type MqAttr struct {

pkg/abi/linux/msgqueue.go

@@ -50,7 +50,7 @@ const (
 	MSGSEG = 0xffff
 )
 
-// MsqidDS is equivelant to struct msqid64_ds. Source:
+// MsqidDS is equivalent to struct msqid64_ds. Source:
 // include/uapi/asm-generic/shmbuf.h
 //
 // +marshal
@@ -68,7 +68,7 @@ type MsqidDS struct {
 	unused5   uint64
 }
 
-// MsgBuf is equivelant to struct msgbuf. Source: include/uapi/linux/msg.h
+// MsgBuf is equivalent to struct msgbuf. Source: include/uapi/linux/msg.h
 //
 // +marshal dynamic
 type MsgBuf struct {
@@ -93,7 +93,7 @@ func (b *MsgBuf) UnmarshalBytes(src []byte) []byte {
 	return b.Text.UnmarshalBytes(src)
 }
 
-// MsgInfo is equivelant to struct msginfo. Source: include/uapi/linux/msg.h
+// MsgInfo is equivalent to struct msginfo. Source: include/uapi/linux/msg.h
 //
 // +marshal
 type MsgInfo struct {

pkg/abi/linux/netfilter_ipv6.go

@@ -236,7 +236,7 @@ const (
 	IP6T_F_PROTO = 0x01
 	// Whether to match the TOS field.
 	IP6T_F_TOS = 0x02
-	// Indicates that the jump target is an aboslute GOTO, not an offset.
+	// Indicates that the jump target is an absolute GOTO, not an offset.
 	IP6T_F_GOTO = 0x04
 	// Enables all flags.
 	IP6T_F_MASK = 0x07

pkg/abi/linux/sem.go

@@ -32,7 +32,7 @@ const (
 	SEM_STAT_ANY = 20
 )
 
-// Information about system-wide sempahore limits and parameters.
+// Information about system-wide semaphore limits and parameters.
 //
 // Source: include/uapi/linux/sem.h
 const (

pkg/abi/linux/socket.go

@@ -349,7 +349,7 @@ const SizeOfLinger = 8
 // TCPInfo is a collection of TCP statistics.
 //
 // From uapi/linux/tcp.h. Newer versions of Linux continue to add new fields to
-// the end of this struct or within existing unusued space, so its size grows
+// the end of this struct or within existing unused space, so its size grows
 // over time. The current iteration is based on linux v4.17. New versions are
 // always backwards compatible.
 //

pkg/buffer/buffer.go

@@ -572,7 +572,7 @@ func (b *Buffer) readByte() (byte, error) {
 	return bt, nil
 }
 
-// AsBufferReader returns the Buffer as a BufferReader capabable of io methods.
+// AsBufferReader returns the Buffer as a BufferReader capable of io methods.
 // The new BufferReader takes ownership of b.
 func (b *Buffer) AsBufferReader() BufferReader {
 	return BufferReader{b}

pkg/buffer/chunk.go

@@ -27,7 +27,7 @@ const (
 	// number and passing the result to MostSignificantOne64.
 	baseChunkSizeLog2 = 6
 
-	// This is the size of the buffers in the first pool. Each subsquent pool
+	// This is the size of the buffers in the first pool. Each subsequent pool
 	// creates payloads 2^(pool index) times larger than the first pool's
 	// payloads.
 	baseChunkSize = 1 << baseChunkSizeLog2 // 64

pkg/compressio/compressio_test.go

@@ -125,7 +125,7 @@ func doTest(t harness, opts testOpts) {
 			return
 		}
 		if _, err := io.Copy(&decompressed, r); (err != nil) != opts.CorruptData {
-			t.Errorf("%s: decompress got err %v unexpectly", opts.Name, err)
+			t.Errorf("%s: decompress got err %v unexpectedly", opts.Name, err)
 			return
 		}
 	}

pkg/compressio/nocompressio.go

@@ -124,7 +124,7 @@ func (r *SimpleReader) Read(p []byte) (int, error) {
 	}
 
 	toRead := uint32(len(p))
-	// can't read more than whats left
+	// can't read more than what's left
 	if toRead > r.chunkSize-r.done {
 		toRead = r.chunkSize - r.done
 	}

pkg/cpuid/cpuid_amd64.go

@@ -309,7 +309,7 @@ func (fs FeatureSet) HasFeature(feature Feature) bool {
 // a minimal /proc/cpuinfo, it is missing some fields like "microcode" that are
 // not always printed in Linux. The bogomips field is simply made up.
 func (fs FeatureSet) WriteCPUInfoTo(cpu uint, w io.Writer) {
-	// Avoid many redunant calls here, since this can occasionally appear
+	// Avoid many redundant calls here, since this can occasionally appear
 	// in the hot path. Read all basic information up front, see above.
 	ax, _, _, _ := fs.query(featureInfo)
 	ef, em, _, f, m, _ := signatureSplit(ax)

pkg/errors/linuxerr/linuxerr.go

@@ -252,7 +252,7 @@ var errorSlice = []*errors.Error{
 	errno.ENODATA:         ENODATA,
 	errno.ETIME:           ETIME,
 	errno.ENOSR:           ENOSR,
-	errno.ENOSR + 1:       errNotValidError, // No valid errno betweeen ENOSR and ENOPKG.
+	errno.ENOSR + 1:       errNotValidError, // No valid errno between ENOSR and ENOPKG.
 	errno.ENOPKG:          ENOPKG,
 	errno.EREMOTE:         EREMOTE,
 	errno.ENOLINK:         ENOLINK,

pkg/fd/fd.go

@@ -138,7 +138,7 @@ func (r *ReadWriter) String() string {
 //
 // It is similar to os.File, with a few important distinctions:
 //
-// FD provies a Release() method which relinquishes ownership. Like os.File,
+// FD provides a Release() method which relinquishes ownership. Like os.File,
 // FD adds a finalizer to close the backing FD. However, the finalizer cannot
 // be removed from os.File, forever pinning the lifetime of an FD to its
 // os.File.

pkg/lisafs/client.go

@@ -120,9 +120,9 @@ func (c *Client) StartChannels() error {
 	c.availableChannels = make([]*channel, 0, maxChans)
 	c.channelsMu.Unlock()
 
-	// Create channels parallely so that channels can be used to create more
+	// Create channels parallelly so that channels can be used to create more
 	// channels and costly initialization like flipcall.Endpoint.Connect can
-	// proceed parallely.
+	// proceed parallelly.
 	var channelsWg sync.WaitGroup
 	for i := 0; i < maxChans; i++ {
 		channelsWg.Add(1)

pkg/lisafs/fd.go

@@ -574,7 +574,7 @@ type OpenFDImpl interface {
 	// On the server, Stat has a read concurrency guarantee.
 	Stat() (linux.Statx, error)
 
-	// Sync is simialr to fsync(2).
+	// Sync is similar to fsync(2).
 	//
 	// On the server, Sync has a read concurrency guarantee.
 	Sync() error

pkg/lisafs/message.go

@@ -48,7 +48,7 @@ import (
 // because a malicious encoder could have manipulated payload bytes to make the
 // unchecked unmarshal variants panic due to the lack of bound checking.
 // Marshalling code does not need additional bound checking because the caller
-// itself intializes the struct being marshalled, so it is trusted.
+// itself initializes the struct being marshalled, so it is trusted.
 //
 // String() implementations must ensure that the message struct doesn't escape.
 // For instance, directly passing the struct to fmt.Sprintf() escapes it

pkg/lisafs/node.go

@@ -92,7 +92,7 @@ type Node struct {
 	// upto numStaticChildren children using hardcoded pointers. If more children
 	// are inserted then move to a map. Use dynamicChildren iff it is non-nil.
 
-	// The folowing fields are protected by childrenMu.
+	// The following fields are protected by childrenMu.
 	childrenMu     sync.Mutex
 	staticChildren [numStaticChildren]struct {
 		name string

pkg/lisafs/node_test.go

@@ -78,7 +78,7 @@ func TestDelete(t *testing.T) {
 			for i := 0; i < numChildren; i++ {
 				name := fmt.Sprintf("%d", i)
 				if got, want := root.removeChildLocked(name), truth[name]; got != want {
-					t.Errorf("root deleted incorrect ndoe: want %p, got %p", want, got)
+					t.Errorf("root deleted incorrect node: want %p, got %p", want, got)
 				}
 			}
 		})

pkg/lisafs/testsuite/testsuite.go

@@ -540,7 +540,7 @@ func testWalk(ctx context.Context, t *testing.T, tester Tester, root lisafs.Clie
 		closeFD(ctx, t, root.Client().NewFD(inode.ControlFD))
 	}
 
-	// Test WalkStat which additonally returns Statx for root because the first
+	// Test WalkStat which additionally returns Statx for root because the first
 	// path component is "".
 	dirNames = append([]string{""}, dirNames...)
 	gotStats := walkStat(ctx, t, root, dirNames)