Merge release-20210112.0-51-g55332aca9 (automated)

10 files changed, 4 insertions, 113 deletions

diff --git a/pkg/sentry/fsimpl/devpts/master.go b/pkg/sentry/fsimpl/devpts/master.go
index e91fa26a4..b44117f40 100644
--- a/pkg/sentry/fsimpl/devpts/master.go
+++ b/pkg/sentry/fsimpl/devpts/master.go
@@ -19,7 +19,6 @@ import (
 	"gvisor.dev/gvisor/pkg/context"
 	"gvisor.dev/gvisor/pkg/marshal/primitive"
 	"gvisor.dev/gvisor/pkg/sentry/arch"
-	fslock "gvisor.dev/gvisor/pkg/sentry/fs/lock"
 	"gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs"
 	"gvisor.dev/gvisor/pkg/sentry/kernel"
 	"gvisor.dev/gvisor/pkg/sentry/kernel/auth"
@@ -194,16 +193,6 @@ func (mfd *masterFileDescription) Stat(ctx context.Context, opts vfs.StatOptions
 	return mfd.inode.Stat(ctx, fs, opts)
 }
 
-// LockPOSIX implements vfs.FileDescriptionImpl.LockPOSIX.
-func (mfd *masterFileDescription) LockPOSIX(ctx context.Context, uid fslock.UniqueID, t fslock.LockType, start, length uint64, whence int16, block fslock.Blocker) error {
-	return mfd.Locks().LockPOSIX(ctx, &mfd.vfsfd, uid, t, start, length, whence, block)
-}
-
-// UnlockPOSIX implements vfs.FileDescriptionImpl.UnlockPOSIX.
-func (mfd *masterFileDescription) UnlockPOSIX(ctx context.Context, uid fslock.UniqueID, start, length uint64, whence int16) error {
-	return mfd.Locks().UnlockPOSIX(ctx, &mfd.vfsfd, uid, start, length, whence)
-}
-
 // maybeEmitUnimplementedEvent emits unimplemented event if cmd is valid.
 func maybeEmitUnimplementedEvent(ctx context.Context, cmd uint32) {
 	switch cmd {
diff --git a/pkg/sentry/fsimpl/devpts/replica.go b/pkg/sentry/fsimpl/devpts/replica.go
index 70c68cf0a..a0c5b5af5 100644
--- a/pkg/sentry/fsimpl/devpts/replica.go
+++ b/pkg/sentry/fsimpl/devpts/replica.go
@@ -19,7 +19,6 @@ import (
 	"gvisor.dev/gvisor/pkg/context"
 	"gvisor.dev/gvisor/pkg/marshal/primitive"
 	"gvisor.dev/gvisor/pkg/sentry/arch"
-	fslock "gvisor.dev/gvisor/pkg/sentry/fs/lock"
 	"gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs"
 	"gvisor.dev/gvisor/pkg/sentry/kernel"
 	"gvisor.dev/gvisor/pkg/sentry/kernel/auth"
@@ -189,13 +188,3 @@ func (rfd *replicaFileDescription) Stat(ctx context.Context, opts vfs.StatOption
 	fs := rfd.vfsfd.VirtualDentry().Mount().Filesystem()
 	return rfd.inode.Stat(ctx, fs, opts)
 }
-
-// LockPOSIX implements vfs.FileDescriptionImpl.LockPOSIX.
-func (rfd *replicaFileDescription) LockPOSIX(ctx context.Context, uid fslock.UniqueID, t fslock.LockType, start, length uint64, whence int16, block fslock.Blocker) error {
-	return rfd.Locks().LockPOSIX(ctx, &rfd.vfsfd, uid, t, start, length, whence, block)
-}
-
-// UnlockPOSIX implements vfs.FileDescriptionImpl.UnlockPOSIX.
-func (rfd *replicaFileDescription) UnlockPOSIX(ctx context.Context, uid fslock.UniqueID, start, length uint64, whence int16) error {
-	return rfd.Locks().UnlockPOSIX(ctx, &rfd.vfsfd, uid, start, length, whence)
-}
diff --git a/pkg/sentry/fsimpl/gofer/gofer.go b/pkg/sentry/fsimpl/gofer/gofer.go
index 3cdb1e659..a43364b55 100644
--- a/pkg/sentry/fsimpl/gofer/gofer.go
+++ b/pkg/sentry/fsimpl/gofer/gofer.go
@@ -1952,14 +1952,14 @@ func (fd *fileDescription) LockBSD(ctx context.Context, uid fslock.UniqueID, t f
 }
 
 // LockPOSIX implements vfs.FileDescriptionImpl.LockPOSIX.
-func (fd *fileDescription) LockPOSIX(ctx context.Context, uid fslock.UniqueID, t fslock.LockType, start, length uint64, whence int16, block fslock.Blocker) error {
+func (fd *fileDescription) LockPOSIX(ctx context.Context, uid fslock.UniqueID, t fslock.LockType, r fslock.LockRange, block fslock.Blocker) error {
 	fd.lockLogging.Do(func() {
 		log.Infof("Range lock using gofer file handled internally.")
 	})
-	return fd.Locks().LockPOSIX(ctx, &fd.vfsfd, uid, t, start, length, whence, block)
+	return fd.Locks().LockPOSIX(ctx, uid, t, r, block)
 }
 
 // UnlockPOSIX implements vfs.FileDescriptionImpl.UnlockPOSIX.
-func (fd *fileDescription) UnlockPOSIX(ctx context.Context, uid fslock.UniqueID, start, length uint64, whence int16) error {
-	return fd.Locks().UnlockPOSIX(ctx, &fd.vfsfd, uid, start, length, whence)
+func (fd *fileDescription) UnlockPOSIX(ctx context.Context, uid fslock.UniqueID, r fslock.LockRange) error {
+	return fd.Locks().UnlockPOSIX(ctx, uid, r)
 }
diff --git a/pkg/sentry/fsimpl/host/host.go b/pkg/sentry/fsimpl/host/host.go
index 36a3f6810..05f11fbd5 100644
--- a/pkg/sentry/fsimpl/host/host.go
+++ b/pkg/sentry/fsimpl/host/host.go
@@ -28,7 +28,6 @@ import (
 	"gvisor.dev/gvisor/pkg/fdnotifier"
 	"gvisor.dev/gvisor/pkg/fspath"
 	"gvisor.dev/gvisor/pkg/log"
-	fslock "gvisor.dev/gvisor/pkg/sentry/fs/lock"
 	"gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs"
 	"gvisor.dev/gvisor/pkg/sentry/hostfd"
 	"gvisor.dev/gvisor/pkg/sentry/kernel"
@@ -810,13 +809,3 @@ func (f *fileDescription) EventUnregister(e *waiter.Entry) {
 func (f *fileDescription) Readiness(mask waiter.EventMask) waiter.EventMask {
 	return fdnotifier.NonBlockingPoll(int32(f.inode.hostFD), mask)
 }
-
-// LockPOSIX implements vfs.FileDescriptionImpl.LockPOSIX.
-func (f *fileDescription) LockPOSIX(ctx context.Context, uid fslock.UniqueID, t fslock.LockType, start, length uint64, whence int16, block fslock.Blocker) error {
-	return f.Locks().LockPOSIX(ctx, &f.vfsfd, uid, t, start, length, whence, block)
-}
-
-// UnlockPOSIX implements vfs.FileDescriptionImpl.UnlockPOSIX.
-func (f *fileDescription) UnlockPOSIX(ctx context.Context, uid fslock.UniqueID, start, length uint64, whence int16) error {
-	return f.Locks().UnlockPOSIX(ctx, &f.vfsfd, uid, start, length, whence)
-}
diff --git a/pkg/sentry/fsimpl/host/tty.go b/pkg/sentry/fsimpl/host/tty.go
index f5c596fec..0f9e20a84 100644
--- a/pkg/sentry/fsimpl/host/tty.go
+++ b/pkg/sentry/fsimpl/host/tty.go
@@ -19,7 +19,6 @@ import (
 	"gvisor.dev/gvisor/pkg/context"
 	"gvisor.dev/gvisor/pkg/marshal/primitive"
 	"gvisor.dev/gvisor/pkg/sentry/arch"
-	fslock "gvisor.dev/gvisor/pkg/sentry/fs/lock"
 	"gvisor.dev/gvisor/pkg/sentry/kernel"
 	"gvisor.dev/gvisor/pkg/sentry/unimpl"
 	"gvisor.dev/gvisor/pkg/sentry/vfs"
@@ -370,13 +369,3 @@ func (t *TTYFileDescription) checkChange(ctx context.Context, sig linux.Signal)
 	_ = pg.SendSignal(kernel.SignalInfoPriv(sig))
 	return syserror.ERESTARTSYS
 }
-
-// LockPOSIX implements vfs.FileDescriptionImpl.LockPOSIX.
-func (t *TTYFileDescription) LockPOSIX(ctx context.Context, uid fslock.UniqueID, typ fslock.LockType, start, length uint64, whence int16, block fslock.Blocker) error {
-	return t.Locks().LockPOSIX(ctx, &t.vfsfd, uid, typ, start, length, whence, block)
-}
-
-// UnlockPOSIX implements vfs.FileDescriptionImpl.UnlockPOSIX.
-func (t *TTYFileDescription) UnlockPOSIX(ctx context.Context, uid fslock.UniqueID, start, length uint64, whence int16) error {
-	return t.Locks().UnlockPOSIX(ctx, &t.vfsfd, uid, start, length, whence)
-}
diff --git a/pkg/sentry/fsimpl/kernfs/dynamic_bytes_file.go b/pkg/sentry/fsimpl/kernfs/dynamic_bytes_file.go
index 485504995..65054b0ea 100644
--- a/pkg/sentry/fsimpl/kernfs/dynamic_bytes_file.go
+++ b/pkg/sentry/fsimpl/kernfs/dynamic_bytes_file.go
@@ -19,7 +19,6 @@ import (
 
 	"gvisor.dev/gvisor/pkg/abi/linux"
 	"gvisor.dev/gvisor/pkg/context"
-	fslock "gvisor.dev/gvisor/pkg/sentry/fs/lock"
 	"gvisor.dev/gvisor/pkg/sentry/kernel/auth"
 	"gvisor.dev/gvisor/pkg/sentry/vfs"
 	"gvisor.dev/gvisor/pkg/syserror"
@@ -136,13 +135,3 @@ func (fd *DynamicBytesFD) SetStat(context.Context, vfs.SetStatOptions) error {
 	// DynamicBytesFiles are immutable.
 	return syserror.EPERM
 }
-
-// LockPOSIX implements vfs.FileDescriptionImpl.LockPOSIX.
-func (fd *DynamicBytesFD) LockPOSIX(ctx context.Context, uid fslock.UniqueID, t fslock.LockType, start, length uint64, whence int16, block fslock.Blocker) error {
-	return fd.Locks().LockPOSIX(ctx, &fd.vfsfd, uid, t, start, length, whence, block)
-}
-
-// UnlockPOSIX implements vfs.FileDescriptionImpl.UnlockPOSIX.
-func (fd *DynamicBytesFD) UnlockPOSIX(ctx context.Context, uid fslock.UniqueID, start, length uint64, whence int16) error {
-	return fd.Locks().UnlockPOSIX(ctx, &fd.vfsfd, uid, start, length, whence)
-}
diff --git a/pkg/sentry/fsimpl/kernfs/fd_impl_util.go b/pkg/sentry/fsimpl/kernfs/fd_impl_util.go
index f8dae22f8..e55111af0 100644
--- a/pkg/sentry/fsimpl/kernfs/fd_impl_util.go
+++ b/pkg/sentry/fsimpl/kernfs/fd_impl_util.go
@@ -19,7 +19,6 @@ import (
 
 	"gvisor.dev/gvisor/pkg/abi/linux"
 	"gvisor.dev/gvisor/pkg/context"
-	fslock "gvisor.dev/gvisor/pkg/sentry/fs/lock"
 	"gvisor.dev/gvisor/pkg/sentry/kernel/auth"
 	"gvisor.dev/gvisor/pkg/sentry/memmap"
 	"gvisor.dev/gvisor/pkg/sentry/vfs"
@@ -275,13 +274,3 @@ func (fd *GenericDirectoryFD) SetStat(ctx context.Context, opts vfs.SetStatOptio
 func (fd *GenericDirectoryFD) Allocate(ctx context.Context, mode, offset, length uint64) error {
 	return fd.DirectoryFileDescriptionDefaultImpl.Allocate(ctx, mode, offset, length)
 }
-
-// LockPOSIX implements vfs.FileDescriptionImpl.LockPOSIX.
-func (fd *GenericDirectoryFD) LockPOSIX(ctx context.Context, uid fslock.UniqueID, t fslock.LockType, start, length uint64, whence int16, block fslock.Blocker) error {
-	return fd.Locks().LockPOSIX(ctx, &fd.vfsfd, uid, t, start, length, whence, block)
-}
-
-// UnlockPOSIX implements vfs.FileDescriptionImpl.UnlockPOSIX.
-func (fd *GenericDirectoryFD) UnlockPOSIX(ctx context.Context, uid fslock.UniqueID, start, length uint64, whence int16) error {
-	return fd.Locks().UnlockPOSIX(ctx, &fd.vfsfd, uid, start, length, whence)
-}
diff --git a/pkg/sentry/fsimpl/overlay/overlay.go b/pkg/sentry/fsimpl/overlay/overlay.go
index 3492409b2..082fa6504 100644
--- a/pkg/sentry/fsimpl/overlay/overlay.go
+++ b/pkg/sentry/fsimpl/overlay/overlay.go
@@ -42,7 +42,6 @@ import (
 	"gvisor.dev/gvisor/pkg/context"
 	"gvisor.dev/gvisor/pkg/fspath"
 	"gvisor.dev/gvisor/pkg/refsvfs2"
-	fslock "gvisor.dev/gvisor/pkg/sentry/fs/lock"
 	"gvisor.dev/gvisor/pkg/sentry/kernel/auth"
 	"gvisor.dev/gvisor/pkg/sentry/memmap"
 	"gvisor.dev/gvisor/pkg/sentry/vfs"
@@ -820,13 +819,3 @@ func (fd *fileDescription) RemoveXattr(ctx context.Context, name string) error {
 	d.InotifyWithParent(ctx, linux.IN_ATTRIB, 0, vfs.InodeEvent)
 	return nil
 }
-
-// LockPOSIX implements vfs.FileDescriptionImpl.LockPOSIX.
-func (fd *fileDescription) LockPOSIX(ctx context.Context, uid fslock.UniqueID, t fslock.LockType, start, length uint64, whence int16, block fslock.Blocker) error {
-	return fd.Locks().LockPOSIX(ctx, &fd.vfsfd, uid, t, start, length, whence, block)
-}
-
-// UnlockPOSIX implements vfs.FileDescriptionImpl.UnlockPOSIX.
-func (fd *fileDescription) UnlockPOSIX(ctx context.Context, uid fslock.UniqueID, start, length uint64, whence int16) error {
-	return fd.Locks().UnlockPOSIX(ctx, &fd.vfsfd, uid, start, length, whence)
-}
diff --git a/pkg/sentry/fsimpl/proc/task_files.go b/pkg/sentry/fsimpl/proc/task_files.go
index 75be6129f..fdae163d1 100644
--- a/pkg/sentry/fsimpl/proc/task_files.go
+++ b/pkg/sentry/fsimpl/proc/task_files.go
@@ -22,7 +22,6 @@ import (
 	"gvisor.dev/gvisor/pkg/abi/linux"
 	"gvisor.dev/gvisor/pkg/context"
 	"gvisor.dev/gvisor/pkg/safemem"
-	fslock "gvisor.dev/gvisor/pkg/sentry/fs/lock"
 	"gvisor.dev/gvisor/pkg/sentry/fsbridge"
 	"gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs"
 	"gvisor.dev/gvisor/pkg/sentry/kernel"
@@ -518,16 +517,6 @@ func (fd *memFD) SetStat(context.Context, vfs.SetStatOptions) error {
 // Release implements vfs.FileDescriptionImpl.Release.
 func (fd *memFD) Release(context.Context) {}
 
-// LockPOSIX implements vfs.FileDescriptionImpl.LockPOSIX.
-func (fd *memFD) LockPOSIX(ctx context.Context, uid fslock.UniqueID, t fslock.LockType, start, length uint64, whence int16, block fslock.Blocker) error {
-	return fd.Locks().LockPOSIX(ctx, &fd.vfsfd, uid, t, start, length, whence, block)
-}
-
-// UnlockPOSIX implements vfs.FileDescriptionImpl.UnlockPOSIX.
-func (fd *memFD) UnlockPOSIX(ctx context.Context, uid fslock.UniqueID, start, length uint64, whence int16) error {
-	return fd.Locks().UnlockPOSIX(ctx, &fd.vfsfd, uid, start, length, whence)
-}
-
 // mapsData implements vfs.DynamicBytesSource for /proc/[pid]/maps.
 //
 // +stateify savable
@@ -1110,13 +1099,3 @@ func (fd *namespaceFD) SetStat(ctx context.Context, opts vfs.SetStatOptions) err
 func (fd *namespaceFD) Release(ctx context.Context) {
 	fd.inode.DecRef(ctx)
 }
-
-// LockPOSIX implements vfs.FileDescriptionImpl.LockPOSIX.
-func (fd *namespaceFD) LockPOSIX(ctx context.Context, uid fslock.UniqueID, t fslock.LockType, start, length uint64, whence int16, block fslock.Blocker) error {
-	return fd.Locks().LockPOSIX(ctx, &fd.vfsfd, uid, t, start, length, whence, block)
-}
-
-// UnlockPOSIX implements vfs.FileDescriptionImpl.UnlockPOSIX.
-func (fd *namespaceFD) UnlockPOSIX(ctx context.Context, uid fslock.UniqueID, start, length uint64, whence int16) error {
-	return fd.Locks().UnlockPOSIX(ctx, &fd.vfsfd, uid, start, length, whence)
-}
diff --git a/pkg/sentry/fsimpl/tmpfs/tmpfs.go b/pkg/sentry/fsimpl/tmpfs/tmpfs.go
index 0c9c639d3..b32c54e20 100644
--- a/pkg/sentry/fsimpl/tmpfs/tmpfs.go
+++ b/pkg/sentry/fsimpl/tmpfs/tmpfs.go
@@ -36,7 +36,6 @@ import (
 
 	"gvisor.dev/gvisor/pkg/abi/linux"
 	"gvisor.dev/gvisor/pkg/context"
-	fslock "gvisor.dev/gvisor/pkg/sentry/fs/lock"
 	"gvisor.dev/gvisor/pkg/sentry/kernel/auth"
 	"gvisor.dev/gvisor/pkg/sentry/kernel/time"
 	"gvisor.dev/gvisor/pkg/sentry/pgalloc"
@@ -797,16 +796,6 @@ func (fd *fileDescription) RemoveXattr(ctx context.Context, name string) error {
 	return nil
 }
 
-// LockPOSIX implements vfs.FileDescriptionImpl.LockPOSIX.
-func (fd *fileDescription) LockPOSIX(ctx context.Context, uid fslock.UniqueID, t fslock.LockType, start, length uint64, whence int16, block fslock.Blocker) error {
-	return fd.Locks().LockPOSIX(ctx, &fd.vfsfd, uid, t, start, length, whence, block)
-}
-
-// UnlockPOSIX implements vfs.FileDescriptionImpl.UnlockPOSIX.
-func (fd *fileDescription) UnlockPOSIX(ctx context.Context, uid fslock.UniqueID, start, length uint64, whence int16) error {
-	return fd.Locks().UnlockPOSIX(ctx, &fd.vfsfd, uid, start, length, whence)
-}
-
 // Sync implements vfs.FileDescriptionImpl.Sync. It does nothing because all
 // filesystem state is in-memory.
 func (*fileDescription) Sync(context.Context) error {