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[BTRFS] Upgrade to 1.1

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CORE-15452
This commit is contained in:
Pierre Schweitzer 2018-12-16 12:03:16 +01:00
parent e8d16d0a7d
commit eb7fbc253f
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GPG key ID: 7545556C3D585B0B
61 changed files with 22605 additions and 596 deletions
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47
drivers/filesystems/btrfs/btrfs_drv.h
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@ -74,6 +74,7 @@
// #define DEBUG_LONG_MESSAGES
// #define DEBUG_FLUSH_TIMES
// #define DEBUG_STATS
// #define DEBUG_CHUNK_LOCKS
#define DEBUG_PARANOID
#endif
@ -110,6 +111,11 @@
#define IO_REPARSE_TAG_LXSS_SYMLINK 0xa000001d // undocumented?
#define IO_REPARSE_TAG_LXSS_SOCKET 0x80000023
#define IO_REPARSE_TAG_LXSS_FIFO 0x80000024
#define IO_REPARSE_TAG_LXSS_CHARDEV 0x80000025
#define IO_REPARSE_TAG_LXSS_BLOCKDEV 0x80000026
#define BTRFS_VOLUME_PREFIX L"\\Device\\Btrfs{"
#ifdef _MSC_VER
@ -234,7 +240,8 @@ typedef struct {
enum prop_compression_type {
PropCompression_None,
PropCompression_Zlib,
PropCompression_LZO
PropCompression_LZO,
PropCompression_ZSTD
};
typedef struct {
@ -606,6 +613,7 @@ typedef struct {
UINT8 compress_type;
BOOL readonly;
UINT32 zlib_level;
UINT32 zstd_level;
UINT32 flush_interval;
UINT32 max_inline;
UINT64 subvol_id;
@ -716,6 +724,9 @@ typedef struct _device_extension {
LIST_ENTRY devices;
#ifdef DEBUG_STATS
debug_stats stats;
#endif
#ifdef DEBUG_CHUNK_LOCKS
LONG chunk_locks_held;
#endif
UINT64 devices_loaded;
superblock superblock;
@ -955,10 +966,10 @@ static __inline UINT64 unix_time_to_win(BTRFS_TIME* t) {
}
static __inline void win_time_to_unix(LARGE_INTEGER t, BTRFS_TIME* out) {
ULONGLONG l = t.QuadPart - 116444736000000000;
ULONGLONG l = (ULONGLONG)t.QuadPart - 116444736000000000;
out->seconds = l / 10000000;
out->nanoseconds = (l % 10000000) * 100;
out->nanoseconds = (UINT32)((l % 10000000) * 100);
}
_Post_satisfies_(*stripe>=0&&*stripe<num_stripes)
@ -1083,13 +1094,21 @@ void protect_superblocks(_Inout_ chunk* c);
BOOL is_top_level(_In_ PIRP Irp);
NTSTATUS create_root(_In_ _Requires_exclusive_lock_held_(_Curr_->tree_lock) device_extension* Vcb, _In_ UINT64 id,
_Out_ root** rootptr, _In_ BOOL no_tree, _In_ UINT64 offset, _In_opt_ PIRP Irp);
void uninit(_In_ device_extension* Vcb, _In_ BOOL flush);
void uninit(_In_ device_extension* Vcb);
NTSTATUS dev_ioctl(_In_ PDEVICE_OBJECT DeviceObject, _In_ ULONG ControlCode, _In_reads_bytes_opt_(InputBufferSize) PVOID InputBuffer, _In_ ULONG InputBufferSize,
_Out_writes_bytes_opt_(OutputBufferSize) PVOID OutputBuffer, _In_ ULONG OutputBufferSize, _In_ BOOLEAN Override, _Out_opt_ IO_STATUS_BLOCK* iosb);
BOOL is_file_name_valid(_In_ PUNICODE_STRING us, _In_ BOOL posix);
void send_notification_fileref(_In_ file_ref* fileref, _In_ ULONG filter_match, _In_ ULONG action, _In_opt_ PUNICODE_STRING stream);
void send_notification_fcb(_In_ file_ref* fileref, _In_ ULONG filter_match, _In_ ULONG action, _In_opt_ PUNICODE_STRING stream);
#ifdef DEBUG_CHUNK_LOCKS
#define acquire_chunk_lock(c, Vcb) { ExAcquireResourceExclusiveLite(&c->lock, TRUE); InterlockedIncrement(&Vcb->chunk_locks_held); }
#define release_chunk_lock(c, Vcb) { InterlockedDecrement(&Vcb->chunk_locks_held); ExReleaseResourceLite(&c->lock); }
#else
#define acquire_chunk_lock(c, Vcb) ExAcquireResourceExclusiveLite(&(c)->lock, TRUE)
#define release_chunk_lock(c, Vcb) ExReleaseResourceLite(&(c)->lock)
#endif
_Ret_z_
WCHAR* file_desc(_In_ PFILE_OBJECT FileObject);
WCHAR* file_desc_fileref(_In_ file_ref* fileref);
@ -1123,6 +1142,7 @@ extern UINT32 mount_compress;
extern UINT32 mount_compress_force;
extern UINT32 mount_compress_type;
extern UINT32 mount_zlib_level;
extern UINT32 mount_zstd_level;
extern UINT32 mount_flush_interval;
extern UINT32 mount_max_inline;
extern UINT32 mount_skip_balance;
@ -1208,6 +1228,18 @@ typedef struct {
LIST_ENTRY list_entry;
} rollback_item;
typedef struct {
ANSI_STRING name;
ANSI_STRING value;
UCHAR flags;
LIST_ENTRY list_entry;
} ea_item;
static const char lxuid[] = "$LXUID";
static const char lxgid[] = "$LXGID";
static const char lxmod[] = "$LXMOD";
static const char lxdev[] = "$LXDEV";
// in treefuncs.c
NTSTATUS find_item(_In_ _Requires_lock_held_(_Curr_->tree_lock) device_extension* Vcb, _In_ root* r, _Out_ traverse_ptr* tp,
_In_ const KEY* searchkey, _In_ BOOL ignore, _In_opt_ PIRP Irp);
@ -1307,6 +1339,7 @@ _Function_class_(DRIVER_DISPATCH)
NTSTATUS NTAPI drv_directory_control(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp);
ULONG get_reparse_tag(device_extension* Vcb, root* subvol, UINT64 inode, UINT8 type, ULONG atts, BOOL lxss, PIRP Irp);
ULONG get_reparse_tag_fcb(fcb* fcb);
// in security.c
@ -1353,6 +1386,7 @@ void remove_dir_child_from_hash_lists(fcb* fcb, dir_child* dc);
// in reparse.c
NTSTATUS get_reparse_point(PDEVICE_OBJECT DeviceObject, PFILE_OBJECT FileObject, void* buffer, DWORD buflen, ULONG_PTR* retlen);
NTSTATUS set_reparse_point2(fcb* fcb, REPARSE_DATA_BUFFER* rdb, ULONG buflen, ccb* ccb, file_ref* fileref, PIRP Irp, LIST_ENTRY* rollback);
NTSTATUS set_reparse_point(PDEVICE_OBJECT DeviceObject, PIRP Irp);
NTSTATUS delete_reparse_point(PDEVICE_OBJECT DeviceObject, PIRP Irp);
@ -1479,6 +1513,7 @@ void watch_registry(HANDLE regh);
// in compress.c
NTSTATUS zlib_decompress(UINT8* inbuf, UINT32 inlen, UINT8* outbuf, UINT32 outlen);
NTSTATUS lzo_decompress(UINT8* inbuf, UINT32 inlen, UINT8* outbuf, UINT32 outlen, UINT32 inpageoff);
NTSTATUS zstd_decompress(UINT8* inbuf, UINT32 inlen, UINT8* outbuf, UINT32 outlen);
NTSTATUS write_compressed_bit(fcb* fcb, UINT64 start_data, UINT64 end_data, void* data, BOOL* compressed, PIRP Irp, LIST_ENTRY* rollback);
// in galois.c
@ -1720,6 +1755,10 @@ static __inline void do_xor(UINT8* buf1, UINT8* buf2, UINT32 len) {
#define S_ISVTX 0001000
#endif
// based on functions in sys/sysmacros.h
#define major(rdev) ((((rdev) >> 8) & 0xFFF) | ((UINT32)((rdev) >> 32) & ~0xFFF))
#define minor(rdev) (((rdev) & 0xFF) | ((UINT32)((rdev) >> 12) & ~0xFF))
static __inline UINT64 fcb_alloc_size(fcb* fcb) {
if (S_ISDIR(fcb->inode_item.st_mode))
return 0;