v2api: implement Unlink
This commit is contained in:
parent
cc0b94a3c5
commit
1618fbbac5
|
@ -31,6 +31,7 @@ func (n *Node) rootNode() *RootNode {
|
||||||
return n.Root().Operations().(*RootNode)
|
return n.Root().Operations().(*RootNode)
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// Lookup - FUSE call for discovering a file.
|
||||||
func (n *Node) Lookup(ctx context.Context, name string, out *fuse.EntryOut) (*fs.Inode, syscall.Errno) {
|
func (n *Node) Lookup(ctx context.Context, name string, out *fuse.EntryOut) (*fs.Inode, syscall.Errno) {
|
||||||
rn := n.rootNode()
|
rn := n.rootNode()
|
||||||
p := filepath.Join(n.path(), name)
|
p := filepath.Join(n.path(), name)
|
||||||
|
@ -61,6 +62,9 @@ func (n *Node) Lookup(ctx context.Context, name string, out *fuse.EntryOut) (*fs
|
||||||
return ch, 0
|
return ch, 0
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// GetAttr - FUSE call for stat()ing a file.
|
||||||
|
//
|
||||||
|
// GetAttr is symlink-safe through use of openBackingDir() and Fstatat().
|
||||||
func (n *Node) Getattr(ctx context.Context, f fs.FileHandle, out *fuse.AttrOut) syscall.Errno {
|
func (n *Node) Getattr(ctx context.Context, f fs.FileHandle, out *fuse.AttrOut) syscall.Errno {
|
||||||
rn := n.rootNode()
|
rn := n.rootNode()
|
||||||
dirfd, cName, err := rn.openBackingDir(n.path())
|
dirfd, cName, err := rn.openBackingDir(n.path())
|
||||||
|
@ -78,6 +82,9 @@ func (n *Node) Getattr(ctx context.Context, f fs.FileHandle, out *fuse.AttrOut)
|
||||||
return 0
|
return 0
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// Create - FUSE call. Creates a new file.
|
||||||
|
//
|
||||||
|
// Symlink-safe through the use of Openat().
|
||||||
func (n *Node) Create(ctx context.Context, name string, flags uint32, mode uint32, out *fuse.EntryOut) (inode *fs.Inode, fh fs.FileHandle, fuseFlags uint32, errno syscall.Errno) {
|
func (n *Node) Create(ctx context.Context, name string, flags uint32, mode uint32, out *fuse.EntryOut) (inode *fs.Inode, fh fs.FileHandle, fuseFlags uint32, errno syscall.Errno) {
|
||||||
rn := n.rootNode()
|
rn := n.rootNode()
|
||||||
path := filepath.Join(n.path(), name)
|
path := filepath.Join(n.path(), name)
|
||||||
|
@ -142,3 +149,32 @@ func (n *Node) Create(ctx context.Context, name string, flags uint32, mode uint3
|
||||||
f := os.NewFile(uintptr(fd), cName)
|
f := os.NewFile(uintptr(fd), cName)
|
||||||
return ch, NewFile2(f, rn, st), 0, 0
|
return ch, NewFile2(f, rn, st), 0, 0
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// Unlink - FUSE call. Delete a file.
|
||||||
|
//
|
||||||
|
// Symlink-safe through use of Unlinkat().
|
||||||
|
func (n *Node) Unlink(ctx context.Context, name string) syscall.Errno {
|
||||||
|
rn := n.rootNode()
|
||||||
|
p := filepath.Join(n.path(), name)
|
||||||
|
if rn.isFiltered(p) {
|
||||||
|
return syscall.EPERM
|
||||||
|
}
|
||||||
|
dirfd, cName, err := rn.openBackingDir(p)
|
||||||
|
if err != nil {
|
||||||
|
return fs.ToErrno(err)
|
||||||
|
}
|
||||||
|
defer syscall.Close(dirfd)
|
||||||
|
// Delete content
|
||||||
|
err = syscallcompat.Unlinkat(dirfd, cName, 0)
|
||||||
|
if err != nil {
|
||||||
|
return fs.ToErrno(err)
|
||||||
|
}
|
||||||
|
// Delete ".name" file
|
||||||
|
if !rn.args.PlaintextNames && nametransform.IsLongContent(cName) {
|
||||||
|
err = nametransform.DeleteLongNameAt(dirfd, cName)
|
||||||
|
if err != nil {
|
||||||
|
tlog.Warn.Printf("Unlink: could not delete .name file: %v", err)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return fs.ToErrno(err)
|
||||||
|
}
|
||||||
|
|
|
@ -4,9 +4,11 @@ import (
|
||||||
"github.com/hanwen/go-fuse/v2/fs"
|
"github.com/hanwen/go-fuse/v2/fs"
|
||||||
)
|
)
|
||||||
|
|
||||||
|
// Check that we have implemented the interfaces
|
||||||
var _ = (fs.NodeGetattrer)((*Node)(nil))
|
var _ = (fs.NodeGetattrer)((*Node)(nil))
|
||||||
var _ = (fs.NodeLookuper)((*Node)(nil))
|
var _ = (fs.NodeLookuper)((*Node)(nil))
|
||||||
var _ = (fs.NodeReaddirer)((*Node)(nil))
|
var _ = (fs.NodeReaddirer)((*Node)(nil))
|
||||||
var _ = (fs.NodeCreater)((*Node)(nil))
|
var _ = (fs.NodeCreater)((*Node)(nil))
|
||||||
var _ = (fs.NodeMkdirer)((*Node)(nil))
|
var _ = (fs.NodeMkdirer)((*Node)(nil))
|
||||||
var _ = (fs.NodeRmdirer)((*Node)(nil))
|
var _ = (fs.NodeRmdirer)((*Node)(nil))
|
||||||
|
var _ = (fs.NodeUnlinker)((*Node)(nil))
|
||||||
|
|
|
@ -139,6 +139,10 @@ func (n *Node) Mkdir(ctx context.Context, name string, mode uint32, out *fuse.En
|
||||||
return ch, 0
|
return ch, 0
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// Readdir - FUSE call.
|
||||||
|
//
|
||||||
|
// This function is symlink-safe through use of openBackingDir() and
|
||||||
|
// ReadDirIVAt().
|
||||||
func (n *Node) Readdir(ctx context.Context) (fs.DirStream, syscall.Errno) {
|
func (n *Node) Readdir(ctx context.Context) (fs.DirStream, syscall.Errno) {
|
||||||
rn := n.rootNode()
|
rn := n.rootNode()
|
||||||
p := n.path()
|
p := n.path()
|
||||||
|
|
Loading…
Reference in New Issue