blob: 453cbba6e916e028009976605de12ec31ad9792f [file] [log] [blame]
// Copyright 2021 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef SRC_STORAGE_F2FS_FILE_H_
#define SRC_STORAGE_F2FS_FILE_H_
namespace f2fs {
class FileTester;
class File : public VnodeF2fs, public fbl::Recyclable<File> {
public:
explicit File(F2fs* fs, ino_t ino, umode_t mode);
// Required for memory management, see the class comment above Vnode for more.
void fbl_recycle() { RecycleNode(); }
#if 0 // porting needed
// int F2fsVmPageMkwrite(vm_area_struct* vma, vm_fault* vmf);
// int F2fsFileMmap(/*file *file,*/ vm_area_struct* vma);
// void FillZero(pgoff_t index, loff_t start, loff_t len);
// int PunchHole(loff_t offset, loff_t len, int mode);
// int ExpandInodeData(loff_t offset, off_t len, int mode);
// long F2fsFallocate(int mode, loff_t offset, loff_t len);
// uint32_t F2fsMaskFlags(umode_t mode, uint32_t flags);
// long F2fsIoctl(/*file *filp,*/ unsigned int cmd, uint64_t arg);
#endif
zx_status_t Truncate(size_t len) final __TA_EXCLUDES(mutex_);
zx_status_t RecoverInlineData(NodePage& node_page) final;
zx_status_t GetVmo(fuchsia_io::wire::VmoFlags flags, zx::vmo* out_vmo) final
__TA_EXCLUDES(mutex_);
void VmoDirty(uint64_t offset, uint64_t length) final
__TA_EXCLUDES(mutex_, f2fs::GetGlobalLock());
void VmoRead(uint64_t offset, uint64_t length) final __TA_EXCLUDES(mutex_);
zx::result<zx::stream> CreateStream(uint32_t stream_options) final;
bool SupportsClientSideStreams() const final;
block_t GetBlockAddr(LockedPage& page) final;
private:
friend FileTester;
zx_status_t ReadInline(void* data, size_t len, size_t off, size_t* out_actual);
zx_status_t WriteInline(const void* data, size_t len, size_t offset, size_t* out_actual);
zx_status_t TruncateInline(size_t len, bool is_recover);
zx_status_t ConvertInlineData();
size_t MaxFileSize();
};
} // namespace f2fs
#endif // SRC_STORAGE_F2FS_FILE_H_