github.com/scaleoutsean/fusego@v0.0.0-20220224074057-4a6429e46bb8/ops.go (about)

     1  // Copyright 2015 Google Inc. All Rights Reserved.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package fuse
    16  
    17  import (
    18  	"github.com/scaleoutsean/fusego/fuseops"
    19  	"github.com/scaleoutsean/fusego/internal/fusekernel"
    20  )
    21  
    22  // A sentinel used for unknown ops. The user is expected to respond with a
    23  // non-nil error.
    24  type unknownOp struct {
    25  	OpCode uint32
    26  	Inode  fuseops.InodeID
    27  }
    28  
    29  // Causes us to cancel the associated context.
    30  type interruptOp struct {
    31  	FuseID uint64
    32  }
    33  
    34  // Required in order to mount on Linux and OS X.
    35  type initOp struct {
    36  	// In
    37  	Kernel fusekernel.Protocol
    38  
    39  	// In/out
    40  	Flags fusekernel.InitFlags
    41  
    42  	// Out
    43  	Library       fusekernel.Protocol
    44  	MaxReadahead  uint32
    45  	MaxBackground uint16
    46  	MaxWrite      uint32
    47  	MaxPages      uint16
    48  }