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mount: make Get/List/Set/Remove xattr return ENOSYS #2287

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By default bazil fuse will return ENOTSUPP for these.  However if we
return ENOSYS then OSXFUSE (at least) will never call them again
saving round trips though fuse.
This commit is contained in:
Nick Craig-Wood 2018-05-03 09:15:32 +01:00
parent aa5c5ec5d3
commit 1755ffd1f3
1 changed files with 34 additions and 0 deletions
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34
cmd/mount/file.go
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@ -92,3 +92,37 @@ func (f *File) Fsync(ctx context.Context, req *fuse.FsyncRequest) (err error) {
defer log.Trace(f, "")("err=%v", &err)
return nil
}
// Getxattr gets an extended attribute by the given name from the
// node.
//
// If there is no xattr by that name, returns fuse.ErrNoXattr.
func (f *File) Getxattr(ctx context.Context, req *fuse.GetxattrRequest, resp *fuse.GetxattrResponse) error {
return fuse.ENOSYS // we never implement this
}
var _ fusefs.NodeGetxattrer = (*File)(nil)
// Listxattr lists the extended attributes recorded for the node.
func (f *File) Listxattr(ctx context.Context, req *fuse.ListxattrRequest, resp *fuse.ListxattrResponse) error {
return fuse.ENOSYS // we never implement this
}
var _ fusefs.NodeListxattrer = (*File)(nil)
// Setxattr sets an extended attribute with the given name and
// value for the node.
func (f *File) Setxattr(ctx context.Context, req *fuse.SetxattrRequest) error {
return fuse.ENOSYS // we never implement this
}
var _ fusefs.NodeSetxattrer = (*File)(nil)
// Removexattr removes an extended attribute for the name.
//
// If there is no xattr by that name, returns fuse.ErrNoXattr.
func (f *File) Removexattr(ctx context.Context, req *fuse.RemovexattrRequest) error {
return fuse.ENOSYS // we never implement this
}
var _ fusefs.NodeRemovexattrer = (*File)(nil)