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Commit c246ae51 authored by Kirill Smelkov's avatar Kirill Smelkov
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Y nodefs: Propagate context to File methods 

So that e.g. File.Read could be canceled.

This is already so in fs/ package. However WCFS in Wendelin.core still
uses older nodefs package, and for now it was faster to teach old
nodefs.File about cancel propagation.

References:

kirr/wendelin.core@b17aeb8c
kirr/wendelin.core@f05271b1
kirr/wendelin.core@5ba816da
kirr/go123@7ad867a3
kirr/go123@0bdac628
kirr/go123@d2dc6c09

Was proposed to upstream in FYI mode:

https://github.com/hanwen/go-fuse/pull/343
https://review.gerrithub.io/c/hanwen/go-fuse/+/488787

Change-Id: Ia9f49f04d87ad3d42f1e5b14c62fe9b425f404a9
parent 9ca2d34b
Show whitespace changes
Inline Side-by-side
Showing with 130 additions and 134 deletions
fuse/nodefs/api.go
View file @ c246ae51
......@@ -144,34 +144,34 @@ type File interface {
// the inner file here.
InnerFile() File
Read(dest []byte, off int64) (fuse.ReadResult, fuse.Status)
Write(data []byte, off int64) (written uint32, code fuse.Status)
Read(dest []byte, off int64, ctx *fuse.Context) (fuse.ReadResult, fuse.Status)
Write(data []byte, off int64, ctx *fuse.Context) (written uint32, code fuse.Status)
// File locking
GetLk(owner uint64, lk *fuse.FileLock, flags uint32, out *fuse.FileLock) (code fuse.Status)
SetLk(owner uint64, lk *fuse.FileLock, flags uint32) (code fuse.Status)
SetLkw(owner uint64, lk *fuse.FileLock, flags uint32) (code fuse.Status)
GetLk(owner uint64, lk *fuse.FileLock, flags uint32, out *fuse.FileLock, ctx *fuse.Context) (code fuse.Status)
SetLk(owner uint64, lk *fuse.FileLock, flags uint32, ctx *fuse.Context) (code fuse.Status)
SetLkw(owner uint64, lk *fuse.FileLock, flags uint32, ctx *fuse.Context) (code fuse.Status)
// Flush is called for close() call on a file descriptor. In
// case of duplicated descriptor, it may be called more than
// once for a file.
Flush() fuse.Status
Flush(ctx *fuse.Context) fuse.Status
// This is called to before the file handle is forgotten. This
// method has no return value, so nothing can synchronizes on
// the call. Any cleanup that requires specific synchronization or
// could fail with I/O errors should happen in Flush instead.
Release()
Fsync(flags int) (code fuse.Status)
Release() // XXX +ctx ?
Fsync(flags int, ctx *fuse.Context) (code fuse.Status)
// The methods below may be called on closed files, due to
// concurrency. In that case, you should return EBADF.
Truncate(size uint64) fuse.Status
GetAttr(out *fuse.Attr) fuse.Status
Chown(uid uint32, gid uint32) fuse.Status
Chmod(perms uint32) fuse.Status
Utimens(atime *time.Time, mtime *time.Time) fuse.Status
Allocate(off uint64, size uint64, mode uint32) (code fuse.Status)
Truncate(size uint64, ctx *fuse.Context) fuse.Status
GetAttr(out *fuse.Attr, ctx *fuse.Context) fuse.Status
Chown(uid uint32, gid uint32, ctx *fuse.Context) fuse.Status
Chmod(perms uint32, ctx *fuse.Context) fuse.Status
Utimens(atime *time.Time, mtime *time.Time, ctx *fuse.Context) fuse.Status
Allocate(off uint64, size uint64, mode uint32, ctx *fuse.Context) (code fuse.Status)
}
// Wrap a File return in this to set FUSE flags. Also used internally
......
fuse/nodefs/defaultfile.go
View file @ c246ae51
......@@ -29,27 +29,27 @@ func (f *defaultFile) String() string {
return "defaultFile"
}
func (f *defaultFile) Read(buf []byte, off int64) (fuse.ReadResult, fuse.Status) {
func (f *defaultFile) Read(buf []byte, off int64, ctx *fuse.Context) (fuse.ReadResult, fuse.Status) {
return nil, fuse.ENOSYS
}
func (f *defaultFile) Write(data []byte, off int64) (uint32, fuse.Status) {
func (f *defaultFile) Write(data []byte, off int64, ctx *fuse.Context) (uint32, fuse.Status) {
return 0, fuse.ENOSYS
}
func (f *defaultFile) GetLk(owner uint64, lk *fuse.FileLock, flags uint32, out *fuse.FileLock) (code fuse.Status) {
func (f *defaultFile) GetLk(owner uint64, lk *fuse.FileLock, flags uint32, out *fuse.FileLock, ctx *fuse.Context) (code fuse.Status) {
return fuse.ENOSYS
}
func (f *defaultFile) SetLk(owner uint64, lk *fuse.FileLock, flags uint32) (code fuse.Status) {
func (f *defaultFile) SetLk(owner uint64, lk *fuse.FileLock, flags uint32, ctx *fuse.Context) (code fuse.Status) {
return fuse.ENOSYS
}
func (f *defaultFile) SetLkw(owner uint64, lk *fuse.FileLock, flags uint32) (code fuse.Status) {
func (f *defaultFile) SetLkw(owner uint64, lk *fuse.FileLock, flags uint32, ctx *fuse.Context) (code fuse.Status) {
return fuse.ENOSYS
}
func (f *defaultFile) Flush() fuse.Status {
func (f *defaultFile) Flush(ctx *fuse.Context) fuse.Status {
return fuse.OK
}
......@@ -57,30 +57,30 @@ func (f *defaultFile) Release() {
}
func (f *defaultFile) GetAttr(*fuse.Attr) fuse.Status {
func (f *defaultFile) GetAttr(_ *fuse.Attr, ctx *fuse.Context) fuse.Status {
return fuse.ENOSYS
}
func (f *defaultFile) Fsync(flags int) (code fuse.Status) {
func (f *defaultFile) Fsync(flags int, ctx *fuse.Context) (code fuse.Status) {
return fuse.ENOSYS
}
func (f *defaultFile) Utimens(atime *time.Time, mtime *time.Time) fuse.Status {
func (f *defaultFile) Utimens(atime *time.Time, mtime *time.Time, ctx *fuse.Context) fuse.Status {
return fuse.ENOSYS
}
func (f *defaultFile) Truncate(size uint64) fuse.Status {
func (f *defaultFile) Truncate(size uint64, ctx *fuse.Context) fuse.Status {
return fuse.ENOSYS
}
func (f *defaultFile) Chown(uid uint32, gid uint32) fuse.Status {
func (f *defaultFile) Chown(uid uint32, gid uint32, ctx *fuse.Context) fuse.Status {
return fuse.ENOSYS
}
func (f *defaultFile) Chmod(perms uint32) fuse.Status {
func (f *defaultFile) Chmod(perms uint32, ctx *fuse.Context) fuse.Status {
return fuse.ENOSYS
}
func (f *defaultFile) Allocate(off uint64, size uint64, mode uint32) (code fuse.Status) {
func (f *defaultFile) Allocate(off uint64, size uint64, mode uint32, ctx *fuse.Context) (code fuse.Status) {
return fuse.ENOSYS
}
fuse/nodefs/defaultnode.go
View file @ c246ae51
......@@ -127,7 +127,7 @@ func (n *defaultNode) ListXAttr(context *fuse.Context) (attrs []string, code fus
func (n *defaultNode) GetAttr(out *fuse.Attr, file File, context *fuse.Context) (code fuse.Status) {
if file != nil {
return file.GetAttr(out)
return file.GetAttr(out, context)
}
if n.Inode().IsDir() {
out.Mode = fuse.S_IFDIR | 0755
......@@ -171,14 +171,14 @@ func (n *defaultNode) Fallocate(file File, off uint64, size uint64, mode uint32,
func (n *defaultNode) Read(file File, dest []byte, off int64, context *fuse.Context) (fuse.ReadResult, fuse.Status) {
if file != nil {
return file.Read(dest, off)
return file.Read(dest, off, context)
}
return nil, fuse.ENOSYS
}
func (n *defaultNode) Write(file File, data []byte, off int64, context *fuse.Context) (written uint32, code fuse.Status) {
if file != nil {
return file.Write(data, off)
return file.Write(data, off, context)
}
return 0, fuse.ENOSYS
}
fuse/nodefs/files.go
View file @ c246ae51
......@@ -30,7 +30,7 @@ func (f *dataFile) String() string {
return fmt.Sprintf("dataFile(%x)", f.data[:l])
}
func (f *dataFile) GetAttr(out *fuse.Attr) fuse.Status {
func (f *dataFile) GetAttr(out *fuse.Attr, ctx *fuse.Context) fuse.Status {
out.Mode = fuse.S_IFREG | 0644
out.Size = uint64(len(f.data))
return fuse.OK
......@@ -43,7 +43,7 @@ func NewDataFile(data []byte) File {
return f
}
func (f *dataFile) Read(buf []byte, off int64) (res fuse.ReadResult, code fuse.Status) {
func (f *dataFile) Read(buf []byte, off int64, ctx *fuse.Context) (res fuse.ReadResult, code fuse.Status) {
end := int(off) + int(len(buf))
if end > len(f.data) {
end = len(f.data)
......@@ -64,7 +64,7 @@ func NewDevNullFile() File {
}
}
func (f *devNullFile) Allocate(off uint64, size uint64, mode uint32) (code fuse.Status) {
func (f *devNullFile) Allocate(off uint64, size uint64, mode uint32, ctx *fuse.Context) (code fuse.Status) {
return fuse.OK
}
......@@ -72,23 +72,23 @@ func (f *devNullFile) String() string {
return "devNullFile"
}
func (f *devNullFile) Read(buf []byte, off int64) (fuse.ReadResult, fuse.Status) {
func (f *devNullFile) Read(buf []byte, off int64, ctx *fuse.Context) (fuse.ReadResult, fuse.Status) {
return fuse.ReadResultData(nil), fuse.OK
}
func (f *devNullFile) Write(content []byte, off int64) (uint32, fuse.Status) {
func (f *devNullFile) Write(content []byte, off int64, ctx *fuse.Context) (uint32, fuse.Status) {
return uint32(len(content)), fuse.OK
}
func (f *devNullFile) Flush() fuse.Status {
func (f *devNullFile) Flush(ctx *fuse.Context) fuse.Status {
return fuse.OK
}
func (f *devNullFile) Fsync(flags int) (code fuse.Status) {
func (f *devNullFile) Fsync(flags int, ctx *fuse.Context) (code fuse.Status) {
return fuse.OK
}
func (f *devNullFile) Truncate(size uint64) (code fuse.Status) {
func (f *devNullFile) Truncate(size uint64, ctx *fuse.Context) (code fuse.Status) {
return fuse.OK
}
......@@ -121,7 +121,7 @@ func (f *loopbackFile) String() string {
return fmt.Sprintf("loopbackFile(%s)", f.File.Name())
}
func (f *loopbackFile) Read(buf []byte, off int64) (res fuse.ReadResult, code fuse.Status) {
func (f *loopbackFile) Read(buf []byte, off int64, ctx *fuse.Context) (res fuse.ReadResult, code fuse.Status) {
f.lock.Lock()
// This is not racy by virtue of the kernel properly
// synchronizing the open/write/close.
......@@ -130,7 +130,7 @@ func (f *loopbackFile) Read(buf []byte, off int64) (res fuse.ReadResult, code fu
return r, fuse.OK
}
func (f *loopbackFile) Write(data []byte, off int64) (uint32, fuse.Status) {
func (f *loopbackFile) Write(data []byte, off int64, ctx *fuse.Context) (uint32, fuse.Status) {
f.lock.Lock()
n, err := f.File.WriteAt(data, off)
f.lock.Unlock()
......@@ -143,7 +143,7 @@ func (f *loopbackFile) Release() {
f.lock.Unlock()
}
func (f *loopbackFile) Flush() fuse.Status {
func (f *loopbackFile) Flush(ctx *fuse.Context) fuse.Status {
f.lock.Lock()
// Since Flush() may be called for each dup'd fd, we don't
......@@ -159,7 +159,7 @@ func (f *loopbackFile) Flush() fuse.Status {
return fuse.ToStatus(err)
}
func (f *loopbackFile) Fsync(flags int) (code fuse.Status) {
func (f *loopbackFile) Fsync(flags int, ctx *fuse.Context) (code fuse.Status) {
f.lock.Lock()
r := fuse.ToStatus(syscall.Fsync(int(f.File.Fd())))
f.lock.Unlock()
......@@ -173,7 +173,7 @@ const (
F_OFD_SETLKW = 38
)
func (f *loopbackFile) GetLk(owner uint64, lk *fuse.FileLock, flags uint32, out *fuse.FileLock) (code fuse.Status) {
func (f *loopbackFile) GetLk(owner uint64, lk *fuse.FileLock, flags uint32, out *fuse.FileLock, ctx *fuse.Context) (code fuse.Status) {
flk := syscall.Flock_t{}
lk.ToFlockT(&flk)
code = fuse.ToStatus(syscall.FcntlFlock(f.File.Fd(), F_OFD_GETLK, &flk))
......@@ -181,11 +181,11 @@ func (f *loopbackFile) GetLk(owner uint64, lk *fuse.FileLock, flags uint32, out
return
}
func (f *loopbackFile) SetLk(owner uint64, lk *fuse.FileLock, flags uint32) (code fuse.Status) {
func (f *loopbackFile) SetLk(owner uint64, lk *fuse.FileLock, flags uint32, ctx *fuse.Context) (code fuse.Status) {
return f.setLock(owner, lk, flags, false)
}
func (f *loopbackFile) SetLkw(owner uint64, lk *fuse.FileLock, flags uint32) (code fuse.Status) {
func (f *loopbackFile) SetLkw(owner uint64, lk *fuse.FileLock, flags uint32, ctx *fuse.Context) (code fuse.Status) {
return f.setLock(owner, lk, flags, true)
}
......@@ -219,7 +219,7 @@ func (f *loopbackFile) setLock(owner uint64, lk *fuse.FileLock, flags uint32, bl
}
}
func (f *loopbackFile) Truncate(size uint64) fuse.Status {
func (f *loopbackFile) Truncate(size uint64, ctx *fuse.Context) fuse.Status {
f.lock.Lock()
r := fuse.ToStatus(syscall.Ftruncate(int(f.File.Fd()), int64(size)))
f.lock.Unlock()
......@@ -227,7 +227,7 @@ func (f *loopbackFile) Truncate(size uint64) fuse.Status {
return r
}
func (f *loopbackFile) Chmod(mode uint32) fuse.Status {
func (f *loopbackFile) Chmod(mode uint32, ctx *fuse.Context) fuse.Status {
f.lock.Lock()
r := fuse.ToStatus(f.File.Chmod(os.FileMode(mode)))
f.lock.Unlock()
......@@ -235,7 +235,7 @@ func (f *loopbackFile) Chmod(mode uint32) fuse.Status {
return r
}
func (f *loopbackFile) Chown(uid uint32, gid uint32) fuse.Status {
func (f *loopbackFile) Chown(uid uint32, gid uint32, ctx *fuse.Context) fuse.Status {
f.lock.Lock()
r := fuse.ToStatus(f.File.Chown(int(uid), int(gid)))
f.lock.Unlock()
......@@ -243,7 +243,7 @@ func (f *loopbackFile) Chown(uid uint32, gid uint32) fuse.Status {
return r
}
func (f *loopbackFile) GetAttr(a *fuse.Attr) fuse.Status {
func (f *loopbackFile) GetAttr(a *fuse.Attr, ctx *fuse.Context) fuse.Status {
st := syscall.Stat_t{}
f.lock.Lock()
err := syscall.Fstat(int(f.File.Fd()), &st)
......@@ -279,26 +279,26 @@ func (f *readOnlyFile) String() string {
return fmt.Sprintf("readOnlyFile(%s)", f.File.String())
}
func (f *readOnlyFile) Write(data []byte, off int64) (uint32, fuse.Status) {
func (f *readOnlyFile) Write(data []byte, off int64, ctx *fuse.Context) (uint32, fuse.Status) {
return 0, fuse.EPERM
}
func (f *readOnlyFile) Fsync(flag int) (code fuse.Status) {
func (f *readOnlyFile) Fsync(flag int, ctx *fuse.Context) (code fuse.Status) {
return fuse.OK
}
func (f *readOnlyFile) Truncate(size uint64) fuse.Status {
func (f *readOnlyFile) Truncate(size uint64, ctx *fuse.Context) fuse.Status {
return fuse.EPERM
}
func (f *readOnlyFile) Chmod(mode uint32) fuse.Status {
func (f *readOnlyFile) Chmod(mode uint32, ctx *fuse.Context) fuse.Status {
return fuse.EPERM
}
func (f *readOnlyFile) Chown(uid uint32, gid uint32) fuse.Status {
func (f *readOnlyFile) Chown(uid uint32, gid uint32, ctx *fuse.Context) fuse.Status {
return fuse.EPERM
}
func (f *readOnlyFile) Allocate(off uint64, sz uint64, mode uint32) fuse.Status {
func (f *readOnlyFile) Allocate(off uint64, sz uint64, mode uint32, ctx *fuse.Context) fuse.Status {
return fuse.EPERM
}
fuse/nodefs/files_linux.go
View file @ c246ae51
......@@ -11,9 +11,9 @@ import (
"github.com/hanwen/go-fuse/v2/fuse"
)
func (f *loopbackFile) Allocate(off uint64, sz uint64, mode uint32) fuse.Status {
func (f *loopbackFile) Allocate(off uint64, sz uint64, mode uint32, ctx *fuse.Context) fuse.Status {
f.lock.Lock()
err := syscall.Fallocate(int(f.File.Fd()), mode, int64(off), int64(sz))
err := syscall.Fallocate(int(f.File.Fd()), mode, int64(off), int64(sz)) // XXX cancel not propagated
f.lock.Unlock()
if err != nil {
return fuse.ToStatus(err)
......@@ -22,12 +22,12 @@ func (f *loopbackFile) Allocate(off uint64, sz uint64, mode uint32) fuse.Status
}
// Utimens - file handle based version of loopbackFileSystem.Utimens()
func (f *loopbackFile) Utimens(a *time.Time, m *time.Time) fuse.Status {
func (f *loopbackFile) Utimens(a *time.Time, m *time.Time, ctx *fuse.Context) fuse.Status {
var ts [2]syscall.Timespec
ts[0] = fuse.UtimeToTimespec(a)
ts[1] = fuse.UtimeToTimespec(m)
f.lock.Lock()
err := futimens(int(f.File.Fd()), &ts)
err := futimens(int(f.File.Fd()), &ts) // XXX cancel not propagated
f.lock.Unlock()
return fuse.ToStatus(err)
}
fuse/nodefs/files_test.go
View file @ c246ae51
......@@ -26,7 +26,7 @@ func TestLoopbackFileUtimens(t *testing.T) {
f := NewLoopbackFile(f2)
utimensFn := func(atime *time.Time, mtime *time.Time) fuse.Status {
return f.Utimens(atime, mtime)
return f.Utimens(atime, mtime, &fuse.Context{Cancel: nil})
}
testutil.TestLoopbackUtimens(t, path, utimensFn)
}
fuse/nodefs/fsops.go
View file @ c246ae51
......@@ -28,7 +28,7 @@ func (c *rawBridge) Fsync(cancel <-chan struct{}, input *fuse.FsyncIn) fuse.Stat
opened := node.mount.getOpenedFile(input.Fh)
if opened != nil {
return opened.WithFlags.File.Fsync(int(input.FsyncFlags))
return opened.WithFlags.File.Fsync(int(input.FsyncFlags), &fuse.Context{Caller: input.Caller, Cancel: cancel})
}
return fuse.ENOSYS
......@@ -491,7 +491,7 @@ func (c *rawBridge) Flush(cancel <-chan struct{}, input *fuse.FlushIn) fuse.Stat
opened := node.mount.getOpenedFile(input.Fh)
if opened != nil {
return opened.WithFlags.File.Flush()
return opened.WithFlags.File.Flush(&fuse.Context{Caller: input.Caller, Cancel: cancel})
}
return fuse.OK
}
......
fuse/nodefs/lockingfile.go
View file @ c246ae51
......@@ -36,40 +36,40 @@ func (f *lockingFile) String() string {
return fmt.Sprintf("lockingFile(%s)", f.file.String())
}
func (f *lockingFile) Read(buf []byte, off int64) (fuse.ReadResult, fuse.Status) {
func (f *lockingFile) Read(buf []byte, off int64, ctx *fuse.Context) (fuse.ReadResult, fuse.Status) {
f.mu.Lock()
defer f.mu.Unlock()
return f.file.Read(buf, off)
return f.file.Read(buf, off, ctx)
}
func (f *lockingFile) Write(data []byte, off int64) (uint32, fuse.Status) {
func (f *lockingFile) Write(data []byte, off int64, ctx *fuse.Context) (uint32, fuse.Status) {
f.mu.Lock()
defer f.mu.Unlock()
return f.file.Write(data, off)
return f.file.Write(data, off, ctx)
}
func (f *lockingFile) Flush() fuse.Status {
func (f *lockingFile) Flush(ctx *fuse.Context) fuse.Status {
f.mu.Lock()
defer f.mu.Unlock()
return f.file.Flush()
return f.file.Flush(ctx)
}
func (f *lockingFile) GetLk(owner uint64, lk *fuse.FileLock, flags uint32, out *fuse.FileLock) (code fuse.Status) {
func (f *lockingFile) GetLk(owner uint64, lk *fuse.FileLock, flags uint32, out *fuse.FileLock, ctx *fuse.Context) (code fuse.Status) {
f.mu.Lock()
defer f.mu.Unlock()
return f.file.GetLk(owner, lk, flags, out)
return f.file.GetLk(owner, lk, flags, out, ctx)
}
func (f *lockingFile) SetLk(owner uint64, lk *fuse.FileLock, flags uint32) (code fuse.Status) {
func (f *lockingFile) SetLk(owner uint64, lk *fuse.FileLock, flags uint32, ctx *fuse.Context) (code fuse.Status) {
f.mu.Lock()
defer f.mu.Unlock()
return f.file.SetLk(owner, lk, flags)
return f.file.SetLk(owner, lk, flags, ctx)
}
func (f *lockingFile) SetLkw(owner uint64, lk *fuse.FileLock, flags uint32) (code fuse.Status) {
func (f *lockingFile) SetLkw(owner uint64, lk *fuse.FileLock, flags uint32, ctx *fuse.Context) (code fuse.Status) {
f.mu.Lock()
defer f.mu.Unlock()
return f.file.SetLkw(owner, lk, flags)
return f.file.SetLkw(owner, lk, flags, ctx)
}
func (f *lockingFile) Release() {
......@@ -78,44 +78,44 @@ func (f *lockingFile) Release() {
f.file.Release()
}
func (f *lockingFile) GetAttr(a *fuse.Attr) fuse.Status {
func (f *lockingFile) GetAttr(a *fuse.Attr, ctx *fuse.Context) fuse.Status {
f.mu.Lock()
defer f.mu.Unlock()
return f.file.GetAttr(a)
return f.file.GetAttr(a, ctx)
}
func (f *lockingFile) Fsync(flags int) (code fuse.Status) {
func (f *lockingFile) Fsync(flags int, ctx *fuse.Context) (code fuse.Status) {
f.mu.Lock()
defer f.mu.Unlock()
return f.file.Fsync(flags)
return f.file.Fsync(flags, ctx)
}
func (f *lockingFile) Utimens(atime *time.Time, mtime *time.Time) fuse.Status {
func (f *lockingFile) Utimens(atime *time.Time, mtime *time.Time, ctx *fuse.Context) fuse.Status {
f.mu.Lock()
defer f.mu.Unlock()
return f.file.Utimens(atime, mtime)
return f.file.Utimens(atime, mtime, ctx)
}
func (f *lockingFile) Truncate(size uint64) fuse.Status {
func (f *lockingFile) Truncate(size uint64, ctx *fuse.Context) fuse.Status {
f.mu.Lock()
defer f.mu.Unlock()
return f.file.Truncate(size)
return f.file.Truncate(size, ctx)
}
func (f *lockingFile) Chown(uid uint32, gid uint32) fuse.Status {
func (f *lockingFile) Chown(uid uint32, gid uint32, ctx *fuse.Context) fuse.Status {
f.mu.Lock()
defer f.mu.Unlock()
return f.file.Chown(uid, gid)
return f.file.Chown(uid, gid, ctx)
}
func (f *lockingFile) Chmod(perms uint32) fuse.Status {
func (f *lockingFile) Chmod(perms uint32, ctx *fuse.Context) fuse.Status {
f.mu.Lock()
defer f.mu.Unlock()
return f.file.Chmod(perms)
return f.file.Chmod(perms, ctx)
}
func (f *lockingFile) Allocate(off uint64, size uint64, mode uint32) (code fuse.Status) {
func (f *lockingFile) Allocate(off uint64, size uint64, mode uint32, ctx *fuse.Context) (code fuse.Status) {
f.mu.Lock()
defer f.mu.Unlock()
return f.file.Allocate(off, size, mode)
return f.file.Allocate(off, size, mode, ctx)
}
fuse/nodefs/memnode.go
View file @ c246ae51
......@@ -162,8 +162,8 @@ func (n *memNodeFile) InnerFile() File {
return n.File
}
func (n *memNodeFile) Flush() fuse.Status {
code := n.File.Flush()
func (n *memNodeFile) Flush(ctx *fuse.Context) fuse.Status {
code := n.File.Flush(ctx)
if !code.Ok() {
return code
......@@ -205,7 +205,7 @@ func (n *memNode) GetAttr(fi *fuse.Attr, file File, context *fuse.Context) (code
func (n *memNode) Truncate(file File, size uint64, context *fuse.Context) (code fuse.Status) {
if file != nil {
code = file.Truncate(size)
code = file.Truncate(size, context)
} else {
err := os.Truncate(n.filename(), int64(size))
code = fuse.ToStatus(err)
......
fuse/pathfs/copy.go
View file @ c246ae51
......@@ -16,7 +16,7 @@ func CopyFile(srcFs, destFs FileSystem, srcFile, destFile string, context *fuse.
return code
}
defer src.Release()
defer src.Flush()
defer src.Flush(context)
attr, code := srcFs.GetAttr(srcFile, context)
if !code.Ok() {
......@@ -28,12 +28,12 @@ func CopyFile(srcFs, destFs FileSystem, srcFile, destFile string, context *fuse.
return code
}
defer dst.Release()
defer dst.Flush()
defer dst.Flush(context)
buf := make([]byte, 128*(1<<10))
off := int64(0)
for {
res, code := src.Read(buf, off)
res, code := src.Read(buf, off, context)
if !code.Ok() {
return code
}
......@@ -45,7 +45,7 @@ func CopyFile(srcFs, destFs FileSystem, srcFile, destFile string, context *fuse.
if len(data) == 0 {
break
}
n, code := dst.Write(data, off)
n, code := dst.Write(data, off, context)
if !code.Ok() {
return code
}
......
fuse/pathfs/pathfs.go
View file @ c246ae51
......@@ -404,7 +404,7 @@ func (n *pathInode) ListXAttr(context *fuse.Context) (attrs []string, code fuse.
}
func (n *pathInode) Flush(file nodefs.File, openFlags uint32, context *fuse.Context) (code fuse.Status) {
return file.Flush()
return file.Flush(context)
}
func (n *pathInode) OpenDir(context *fuse.Context) ([]fuse.DirEntry, fuse.Status) {
......@@ -592,7 +592,7 @@ func (n *pathInode) GetAttr(out *fuse.Attr, file nodefs.File, context *fuse.Cont
}
// If we have found an open file, try to fstat it.
if file != nil {
code = file.GetAttr(out)
code = file.GetAttr(out, context)
if code.Ok() {
return code
}
......@@ -629,7 +629,7 @@ func (n *pathInode) Chmod(file nodefs.File, perms uint32, context *fuse.Context)
// Note that Linux currently (Linux 4.4) DOES NOT pass a file descriptor
// to FUSE for fchmod. We still check because that may change in the future.
if file != nil {
code = file.Chmod(perms)
code = file.Chmod(perms, context)
if code != fuse.ENOSYS {
return code
}
......@@ -637,8 +637,7 @@ func (n *pathInode) Chmod(file nodefs.File, perms uint32, context *fuse.Context)
files := n.Inode().Files(fuse.O_ANYWRITE)
for _, f := range files {
// TODO - pass context
code = f.Chmod(perms)
code = f.Chmod(perms, context)
if code.Ok() {
return
}
......@@ -654,7 +653,7 @@ func (n *pathInode) Chown(file nodefs.File, uid uint32, gid uint32, context *fus
// Note that Linux currently (Linux 4.4) DOES NOT pass a file descriptor
// to FUSE for fchown. We still check because it may change in the future.
if file != nil {
code = file.Chown(uid, gid)
code = file.Chown(uid, gid, context)
if code != fuse.ENOSYS {
return code
}
......@@ -662,8 +661,7 @@ func (n *pathInode) Chown(file nodefs.File, uid uint32, gid uint32, context *fus
files := n.Inode().Files(fuse.O_ANYWRITE)
for _, f := range files {
// TODO - pass context
code = f.Chown(uid, gid)
code = f.Chown(uid, gid, context)
if code.Ok() {
return code
}
......@@ -679,7 +677,7 @@ func (n *pathInode) Truncate(file nodefs.File, size uint64, context *fuse.Contex
// A file descriptor was passed in AND the filesystem implements the
// operation on the file handle. This the common case for ftruncate.
if file != nil {
code = file.Truncate(size)
code = file.Truncate(size, context)
if code != fuse.ENOSYS {
return code
}
......@@ -687,8 +685,7 @@ func (n *pathInode) Truncate(file nodefs.File, size uint64, context *fuse.Contex
files := n.Inode().Files(fuse.O_ANYWRITE)
for _, f := range files {
// TODO - pass context
code = f.Truncate(size)
code = f.Truncate(size, context)
if code.Ok() {
return code
}
......@@ -703,7 +700,7 @@ func (n *pathInode) Utimens(file nodefs.File, atime *time.Time, mtime *time.Time
// Note that Linux currently (Linux 4.4) DOES NOT pass a file descriptor
// to FUSE for futimens. We still check because it may change in the future.
if file != nil {
code = file.Utimens(atime, mtime)
code = file.Utimens(atime, mtime, context)
if code != fuse.ENOSYS {
return code
}
......@@ -711,8 +708,7 @@ func (n *pathInode) Utimens(file nodefs.File, atime *time.Time, mtime *time.Time
files := n.Inode().Files(fuse.O_ANYWRITE)
for _, f := range files {
// TODO - pass context
code = f.Utimens(atime, mtime)
code = f.Utimens(atime, mtime, context)
if code.Ok() {
return code
}
......@@ -725,7 +721,7 @@ func (n *pathInode) Utimens(file nodefs.File, atime *time.Time, mtime *time.Time
func (n *pathInode) Fallocate(file nodefs.File, off uint64, size uint64, mode uint32, context *fuse.Context) (code fuse.Status) {
if file != nil {
code = file.Allocate(off, size, mode)
code = file.Allocate(off, size, mode, context)
if code.Ok() {
return code
}
......@@ -733,8 +729,7 @@ func (n *pathInode) Fallocate(file nodefs.File, off uint64, size uint64, mode ui
files := n.Inode().Files(fuse.O_ANYWRITE)
for _, f := range files {
// TODO - pass context
code = f.Allocate(off, size, mode)
code = f.Allocate(off, size, mode, context)
if code.Ok() {
return code
}
......@@ -745,35 +740,35 @@ func (n *pathInode) Fallocate(file nodefs.File, off uint64, size uint64, mode ui
func (n *pathInode) Read(file nodefs.File, dest []byte, off int64, context *fuse.Context) (fuse.ReadResult, fuse.Status) {
if file != nil {
return file.Read(dest, off)
return file.Read(dest, off, context)
}
return nil, fuse.ENOSYS
}
func (n *pathInode) Write(file nodefs.File, data []byte, off int64, context *fuse.Context) (written uint32, code fuse.Status) {
if file != nil {
return file.Write(data, off)
return file.Write(data, off, context)
}
return 0, fuse.ENOSYS
}
func (n *pathInode) GetLk(file nodefs.File, owner uint64, lk *fuse.FileLock, flags uint32, out *fuse.FileLock, context *fuse.Context) (code fuse.Status) {
if file != nil {
return file.GetLk(owner, lk, flags, out)
return file.GetLk(owner, lk, flags, out, context)
}
return fuse.ENOSYS
}
func (n *pathInode) SetLk(file nodefs.File, owner uint64, lk *fuse.FileLock, flags uint32, context *fuse.Context) (code fuse.Status) {
if file != nil {
return file.SetLk(owner, lk, flags)
return file.SetLk(owner, lk, flags, context)
}
return fuse.ENOSYS
}
func (n *pathInode) SetLkw(file nodefs.File, owner uint64, lk *fuse.FileLock, flags uint32, context *fuse.Context) (code fuse.Status) {
if file != nil {
return file.SetLkw(owner, lk, flags)
return file.SetLkw(owner, lk, flags, context)
}
return fuse.ENOSYS
}
fuse/test/fsetattr_test.go
View file @ c246ae51
......@@ -29,7 +29,7 @@ func (f *MutableDataFile) String() string {
return "MutableDataFile"
}
func (f *MutableDataFile) Read(buf []byte, off int64) (fuse.ReadResult, fuse.Status) {
func (f *MutableDataFile) Read(buf []byte, off int64, ctx *fuse.Context) (fuse.ReadResult, fuse.Status) {
end := int(off) + len(buf)
if end > len(f.data) {
end = len(f.data)
......@@ -38,7 +38,7 @@ func (f *MutableDataFile) Read(buf []byte, off int64) (fuse.ReadResult, fuse.Sta
return fuse.ReadResultData(f.data[off:end]), fuse.OK
}
func (f *MutableDataFile) Write(d []byte, off int64) (uint32, fuse.Status) {
func (f *MutableDataFile) Write(d []byte, off int64, ctx *fuse.Context) (uint32, fuse.Status) {
end := int64(len(d)) + off
if int(end) > len(f.data) {
data := make([]byte, len(f.data), end)
......@@ -51,7 +51,7 @@ func (f *MutableDataFile) Write(d []byte, off int64) (uint32, fuse.Status) {
return uint32(end - off), fuse.OK
}
func (f *MutableDataFile) Flush() fuse.Status {
func (f *MutableDataFile) Flush(ctx *fuse.Context) fuse.Status {
return fuse.OK
}
......@@ -64,34 +64,34 @@ func (f *MutableDataFile) getAttr(out *fuse.Attr) {
out.Size = uint64(len(f.data))
}
func (f *MutableDataFile) GetAttr(out *fuse.Attr) fuse.Status {
func (f *MutableDataFile) GetAttr(out *fuse.Attr, ctx *fuse.Context) fuse.Status {
f.GetAttrCalled = true
f.getAttr(out)
return fuse.OK
}
func (f *MutableDataFile) Utimens(atime *time.Time, mtime *time.Time) fuse.Status {
func (f *MutableDataFile) Utimens(atime *time.Time, mtime *time.Time, ctx *fuse.Context) fuse.Status {
f.Attr.SetTimes(atime, mtime, nil)
return fuse.OK
}
func (f *MutableDataFile) Truncate(size uint64) fuse.Status {
func (f *MutableDataFile) Truncate(size uint64, ctx *fuse.Context) fuse.Status {
f.data = f.data[:size]
return fuse.OK
}
func (f *MutableDataFile) Chown(uid uint32, gid uint32) fuse.Status {
func (f *MutableDataFile) Chown(uid uint32, gid uint32, ctx *fuse.Context) fuse.Status {
f.Attr.Uid = uid
f.Attr.Gid = gid
return fuse.OK
}
func (f *MutableDataFile) Chmod(perms uint32) fuse.Status {
func (f *MutableDataFile) Chmod(perms uint32, ctx *fuse.Context) fuse.Status {
f.Attr.Mode = (f.Attr.Mode &^ 07777) | perms
return fuse.OK
}
func (f *MutableDataFile) Fsync(flags int) fuse.Status {
func (f *MutableDataFile) Fsync(flags int, ctx *fuse.Context) fuse.Status {
f.FsyncCalled = true
return fuse.OK
}
......
unionfs/unionfs.go
View file @ c246ae51
......@@ -276,8 +276,9 @@ func (fs *unionFS) putDeletion(name string) (code fuse.Status) {
return fuse.EPERM
}
defer f.Release()
defer f.Flush()
n, code := f.Write([]byte(name), 0)
ctx := &fuse.Context{Cancel: nil}
defer f.Flush(ctx)
n, code := f.Write([]byte(name), 0, ctx)
if int(n) != len(name) || !code.Ok() {
panic(fmt.Sprintf("Error for writing %v: %v, %v (exp %v) %v", name, marker, n, len(name), code))
}
......@@ -334,7 +335,7 @@ func (fs *unionFS) Promote(name string, srcResult branchResult, context *fuse.Co
uf.layer = 0
f := uf.File
uf.File, code = fs.fileSystems[0].Open(name, fileWrapper.OpenFlags, context)
f.Flush()
f.Flush(context)
f.Release()
}
}
......@@ -949,7 +950,7 @@ func (fs *unionFS) DropSubFsCaches() {
if code.Ok() && a.IsRegular() {
f, _ := fs.Open(_DROP_CACHE, uint32(os.O_WRONLY), nil)
if f != nil {
f.Flush()
f.Flush(&fuse.Context{Cancel: nil})
f.Release()
}
}
......@@ -1028,8 +1029,8 @@ func (fs *unionFsFile) InnerFile() (file nodefs.File) {
// We can't hook on Release. Release has no response, so it is not
// ordered wrt any following calls.
func (fs *unionFsFile) Flush() (code fuse.Status) {
code = fs.File.Flush()
func (fs *unionFsFile) Flush(ctx *fuse.Context) (code fuse.Status) {
code = fs.File.Flush(ctx)
path := fs.ufs.nodeFs.Path(fs.node)
fs.ufs.branchCache.GetFresh(path)
return code
......@@ -1039,8 +1040,8 @@ func (fs *unionFsFile) SetInode(node *nodefs.Inode) {
fs.node = node
}
func (fs *unionFsFile) GetAttr(out *fuse.Attr) fuse.Status {
code := fs.File.GetAttr(out)
func (fs *unionFsFile) GetAttr(out *fuse.Attr, ctx *fuse.Context) fuse.Status {
code := fs.File.GetAttr(out, ctx)
if code.Ok() {
out.Mode |= 0200
}
......
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