Author: pschweitzer
Date: Fri Sep 8 16:31:32 2017
New Revision: 75796
URL: http://svn.reactos.org/svn/reactos?rev=75796&view=rev
Log:
[BTRFSLIB]
Sync to 1.0
CORE-13763
Modified:
trunk/reactos/media/doc/README.FSD
trunk/reactos/sdk/lib/fslib/btrfslib/CMakeLists.txt
trunk/reactos/sdk/lib/fslib/btrfslib/btrfslib.c
Modified: trunk/reactos/media/doc/README.FSD
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/media/doc/README.FSD?rev=75796&r1=75795&r2=75796&view=diff
==============================================================================
--- trunk/reactos/media/doc/README.FSD [iso-8859-1] (original)
+++ trunk/reactos/media/doc/README.FSD [iso-8859-1] Fri Sep 8 16:31:32 2017
@@ -5,7 +5,7 @@
reactos/drivers/filesystems/btrfs # Synced to 1.0
reactos/dll/shellext/shellbtrfs # Synced to 1.0
-reactos/sdk/lib/fslib/btrfslib # Synced to 0.8
+reactos/sdk/lib/fslib/btrfslib # Synced to 1.0
The following FSD are shared with: http://www.ext2fsd.com/
Modified: trunk/reactos/sdk/lib/fslib/btrfslib/CMakeLists.txt
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/sdk/lib/fslib/btrfslib/CMakeLists.txt?rev=75796&r1=75795&r2=75796&view=diff
==============================================================================
--- trunk/reactos/sdk/lib/fslib/btrfslib/CMakeLists.txt [iso-8859-1] (original)
+++ trunk/reactos/sdk/lib/fslib/btrfslib/CMakeLists.txt [iso-8859-1] Fri Sep 8
16:31:32 2017
@@ -1,3 +1,6 @@
+
+include_directories(
+ ${REACTOS_SOURCE_DIR}/drivers/filesystems/btrfs)
add_library(btrfslib btrfslib.c)
add_dependencies(btrfslib psdk)
Modified: trunk/reactos/sdk/lib/fslib/btrfslib/btrfslib.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/sdk/lib/fslib/btrfslib/btrfslib.c?rev=75796&r1=75795&r2=75796&view=diff
==============================================================================
--- trunk/reactos/sdk/lib/fslib/btrfslib/btrfslib.c [iso-8859-1] (original)
+++ trunk/reactos/sdk/lib/fslib/btrfslib/btrfslib.c [iso-8859-1] Fri Sep 8
16:31:32 2017
@@ -1,17 +1,17 @@
-/* Copyright (c) Mark Harmstone 2016
- *
+/* Copyright (c) Mark Harmstone 2016-17
+ *
* This file is part of WinBtrfs.
- *
+ *
* WinBtrfs is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public Licence as published by
* the Free Software Foundation, either version 3 of the Licence, or
* (at your option) any later version.
- *
+ *
* WinBtrfs is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public Licence for more details.
- *
+ *
* You should have received a copy of the GNU Lesser General Public Licence
* along with WinBtrfs. If not, see <http://www.gnu.org/licenses/>. */
@@ -32,11 +32,12 @@
#include <ndk/rtlfuncs.h>
#endif
#include <ntddscsi.h>
+#include <ntddstor.h>
#include <ata.h>
#include <mountmgr.h>
#ifdef __REACTOS__
-#include "../../drivers/filesystems/btrfs/btrfs.h"
-#include "../../drivers/filesystems/btrfs/btrfsioctl.h"
+#include "btrfs.h"
+#include "btrfsioctl.h"
#else
#include "../btrfs.h"
#include "../btrfsioctl.h"
@@ -46,9 +47,11 @@
#define FSCTL_LOCK_VOLUME CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 6,
METHOD_BUFFERED, FILE_ANY_ACCESS)
#define FSCTL_UNLOCK_VOLUME CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 7,
METHOD_BUFFERED, FILE_ANY_ACCESS)
#define FSCTL_DISMOUNT_VOLUME CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 8,
METHOD_BUFFERED, FILE_ANY_ACCESS)
-#endif
-
-#ifndef __REACTOS__
+
+#ifndef _MSC_VER // not in mingw yet
+#define DEVICE_DSM_FLAG_TRIM_NOT_FS_ALLOCATED 0x80000000
+#endif
+
#ifdef __cplusplus
extern "C" {
#endif
@@ -65,7 +68,34 @@
#ifdef __cplusplus
}
#endif
-
+#endif
+
+// These are undocumented, and what comes from format.exe
+typedef struct {
+ void* table;
+ void* unk1;
+ WCHAR* string;
+} DSTRING;
+
+typedef struct {
+ void* table;
+} STREAM_MESSAGE;
+
+#define FORMAT_FLAG_QUICK_FORMAT 0x00000001
+#define FORMAT_FLAG_UNKNOWN1 0x00000002
+#define FORMAT_FLAG_DISMOUNT_FIRST 0x00000004
+#define FORMAT_FLAG_UNKNOWN2 0x00000040
+#define FORMAT_FLAG_LARGE_RECORDS 0x00000100
+#define FORMAT_FLAG_INTEGRITY_DISABLE 0x00000100
+
+typedef struct {
+ UINT16 unk1;
+ UINT16 unk2;
+ UINT32 flags;
+ DSTRING* label;
+} options;
+
+#ifndef __REACTOS__
FORCEINLINE VOID InitializeListHead(PLIST_ENTRY ListHead) {
ListHead->Flink = ListHead->Blink = ListHead;
}
@@ -129,6 +159,8 @@
0))))))
HMODULE module;
+ULONG def_sector_size = 0, def_node_size = 0;
+UINT64 def_incompat_flags = BTRFS_INCOMPAT_FLAGS_EXTENDED_IREF |
BTRFS_INCOMPAT_FLAGS_SKINNY_METADATA;
// the following definitions come from fmifs.h in ReactOS
@@ -187,50 +219,50 @@
typedef BOOLEAN (NTAPI* PFMIFSCALLBACK)(CALLBACKCOMMAND Command, ULONG
SubAction, PVOID ActionInfo);
static const UINT32 crctable[] = {
- 0x00000000, 0xf26b8303, 0xe13b70f7, 0x1350f3f4, 0xc79a971f, 0x35f1141c,
0x26a1e7e8, 0xd4ca64eb,
- 0x8ad958cf, 0x78b2dbcc, 0x6be22838, 0x9989ab3b, 0x4d43cfd0, 0xbf284cd3,
0xac78bf27, 0x5e133c24,
- 0x105ec76f, 0xe235446c, 0xf165b798, 0x030e349b, 0xd7c45070, 0x25afd373,
0x36ff2087, 0xc494a384,
- 0x9a879fa0, 0x68ec1ca3, 0x7bbcef57, 0x89d76c54, 0x5d1d08bf, 0xaf768bbc,
0xbc267848, 0x4e4dfb4b,
- 0x20bd8ede, 0xd2d60ddd, 0xc186fe29, 0x33ed7d2a, 0xe72719c1, 0x154c9ac2,
0x061c6936, 0xf477ea35,
- 0xaa64d611, 0x580f5512, 0x4b5fa6e6, 0xb93425e5, 0x6dfe410e, 0x9f95c20d,
0x8cc531f9, 0x7eaeb2fa,
- 0x30e349b1, 0xc288cab2, 0xd1d83946, 0x23b3ba45, 0xf779deae, 0x05125dad,
0x1642ae59, 0xe4292d5a,
- 0xba3a117e, 0x4851927d, 0x5b016189, 0xa96ae28a, 0x7da08661, 0x8fcb0562,
0x9c9bf696, 0x6ef07595,
- 0x417b1dbc, 0xb3109ebf, 0xa0406d4b, 0x522bee48, 0x86e18aa3, 0x748a09a0,
0x67dafa54, 0x95b17957,
- 0xcba24573, 0x39c9c670, 0x2a993584, 0xd8f2b687, 0x0c38d26c, 0xfe53516f,
0xed03a29b, 0x1f682198,
- 0x5125dad3, 0xa34e59d0, 0xb01eaa24, 0x42752927, 0x96bf4dcc, 0x64d4cecf,
0x77843d3b, 0x85efbe38,
- 0xdbfc821c, 0x2997011f, 0x3ac7f2eb, 0xc8ac71e8, 0x1c661503, 0xee0d9600,
0xfd5d65f4, 0x0f36e6f7,
- 0x61c69362, 0x93ad1061, 0x80fde395, 0x72966096, 0xa65c047d, 0x5437877e,
0x4767748a, 0xb50cf789,
- 0xeb1fcbad, 0x197448ae, 0x0a24bb5a, 0xf84f3859, 0x2c855cb2, 0xdeeedfb1,
0xcdbe2c45, 0x3fd5af46,
- 0x7198540d, 0x83f3d70e, 0x90a324fa, 0x62c8a7f9, 0xb602c312, 0x44694011,
0x5739b3e5, 0xa55230e6,
- 0xfb410cc2, 0x092a8fc1, 0x1a7a7c35, 0xe811ff36, 0x3cdb9bdd, 0xceb018de,
0xdde0eb2a, 0x2f8b6829,
- 0x82f63b78, 0x709db87b, 0x63cd4b8f, 0x91a6c88c, 0x456cac67, 0xb7072f64,
0xa457dc90, 0x563c5f93,
- 0x082f63b7, 0xfa44e0b4, 0xe9141340, 0x1b7f9043, 0xcfb5f4a8, 0x3dde77ab,
0x2e8e845f, 0xdce5075c,
- 0x92a8fc17, 0x60c37f14, 0x73938ce0, 0x81f80fe3, 0x55326b08, 0xa759e80b,
0xb4091bff, 0x466298fc,
- 0x1871a4d8, 0xea1a27db, 0xf94ad42f, 0x0b21572c, 0xdfeb33c7, 0x2d80b0c4,
0x3ed04330, 0xccbbc033,
- 0xa24bb5a6, 0x502036a5, 0x4370c551, 0xb11b4652, 0x65d122b9, 0x97baa1ba,
0x84ea524e, 0x7681d14d,
- 0x2892ed69, 0xdaf96e6a, 0xc9a99d9e, 0x3bc21e9d, 0xef087a76, 0x1d63f975,
0x0e330a81, 0xfc588982,
- 0xb21572c9, 0x407ef1ca, 0x532e023e, 0xa145813d, 0x758fe5d6, 0x87e466d5,
0x94b49521, 0x66df1622,
- 0x38cc2a06, 0xcaa7a905, 0xd9f75af1, 0x2b9cd9f2, 0xff56bd19, 0x0d3d3e1a,
0x1e6dcdee, 0xec064eed,
- 0xc38d26c4, 0x31e6a5c7, 0x22b65633, 0xd0ddd530, 0x0417b1db, 0xf67c32d8,
0xe52cc12c, 0x1747422f,
- 0x49547e0b, 0xbb3ffd08, 0xa86f0efc, 0x5a048dff, 0x8ecee914, 0x7ca56a17,
0x6ff599e3, 0x9d9e1ae0,
- 0xd3d3e1ab, 0x21b862a8, 0x32e8915c, 0xc083125f, 0x144976b4, 0xe622f5b7,
0xf5720643, 0x07198540,
- 0x590ab964, 0xab613a67, 0xb831c993, 0x4a5a4a90, 0x9e902e7b, 0x6cfbad78,
0x7fab5e8c, 0x8dc0dd8f,
- 0xe330a81a, 0x115b2b19, 0x020bd8ed, 0xf0605bee, 0x24aa3f05, 0xd6c1bc06,
0xc5914ff2, 0x37faccf1,
- 0x69e9f0d5, 0x9b8273d6, 0x88d28022, 0x7ab90321, 0xae7367ca, 0x5c18e4c9,
0x4f48173d, 0xbd23943e,
- 0xf36e6f75, 0x0105ec76, 0x12551f82, 0xe03e9c81, 0x34f4f86a, 0xc69f7b69,
0xd5cf889d, 0x27a40b9e,
+ 0x00000000, 0xf26b8303, 0xe13b70f7, 0x1350f3f4, 0xc79a971f, 0x35f1141c,
0x26a1e7e8, 0xd4ca64eb,
+ 0x8ad958cf, 0x78b2dbcc, 0x6be22838, 0x9989ab3b, 0x4d43cfd0, 0xbf284cd3,
0xac78bf27, 0x5e133c24,
+ 0x105ec76f, 0xe235446c, 0xf165b798, 0x030e349b, 0xd7c45070, 0x25afd373,
0x36ff2087, 0xc494a384,
+ 0x9a879fa0, 0x68ec1ca3, 0x7bbcef57, 0x89d76c54, 0x5d1d08bf, 0xaf768bbc,
0xbc267848, 0x4e4dfb4b,
+ 0x20bd8ede, 0xd2d60ddd, 0xc186fe29, 0x33ed7d2a, 0xe72719c1, 0x154c9ac2,
0x061c6936, 0xf477ea35,
+ 0xaa64d611, 0x580f5512, 0x4b5fa6e6, 0xb93425e5, 0x6dfe410e, 0x9f95c20d,
0x8cc531f9, 0x7eaeb2fa,
+ 0x30e349b1, 0xc288cab2, 0xd1d83946, 0x23b3ba45, 0xf779deae, 0x05125dad,
0x1642ae59, 0xe4292d5a,
+ 0xba3a117e, 0x4851927d, 0x5b016189, 0xa96ae28a, 0x7da08661, 0x8fcb0562,
0x9c9bf696, 0x6ef07595,
+ 0x417b1dbc, 0xb3109ebf, 0xa0406d4b, 0x522bee48, 0x86e18aa3, 0x748a09a0,
0x67dafa54, 0x95b17957,
+ 0xcba24573, 0x39c9c670, 0x2a993584, 0xd8f2b687, 0x0c38d26c, 0xfe53516f,
0xed03a29b, 0x1f682198,
+ 0x5125dad3, 0xa34e59d0, 0xb01eaa24, 0x42752927, 0x96bf4dcc, 0x64d4cecf,
0x77843d3b, 0x85efbe38,
+ 0xdbfc821c, 0x2997011f, 0x3ac7f2eb, 0xc8ac71e8, 0x1c661503, 0xee0d9600,
0xfd5d65f4, 0x0f36e6f7,
+ 0x61c69362, 0x93ad1061, 0x80fde395, 0x72966096, 0xa65c047d, 0x5437877e,
0x4767748a, 0xb50cf789,
+ 0xeb1fcbad, 0x197448ae, 0x0a24bb5a, 0xf84f3859, 0x2c855cb2, 0xdeeedfb1,
0xcdbe2c45, 0x3fd5af46,
+ 0x7198540d, 0x83f3d70e, 0x90a324fa, 0x62c8a7f9, 0xb602c312, 0x44694011,
0x5739b3e5, 0xa55230e6,
+ 0xfb410cc2, 0x092a8fc1, 0x1a7a7c35, 0xe811ff36, 0x3cdb9bdd, 0xceb018de,
0xdde0eb2a, 0x2f8b6829,
+ 0x82f63b78, 0x709db87b, 0x63cd4b8f, 0x91a6c88c, 0x456cac67, 0xb7072f64,
0xa457dc90, 0x563c5f93,
+ 0x082f63b7, 0xfa44e0b4, 0xe9141340, 0x1b7f9043, 0xcfb5f4a8, 0x3dde77ab,
0x2e8e845f, 0xdce5075c,
+ 0x92a8fc17, 0x60c37f14, 0x73938ce0, 0x81f80fe3, 0x55326b08, 0xa759e80b,
0xb4091bff, 0x466298fc,
+ 0x1871a4d8, 0xea1a27db, 0xf94ad42f, 0x0b21572c, 0xdfeb33c7, 0x2d80b0c4,
0x3ed04330, 0xccbbc033,
+ 0xa24bb5a6, 0x502036a5, 0x4370c551, 0xb11b4652, 0x65d122b9, 0x97baa1ba,
0x84ea524e, 0x7681d14d,
+ 0x2892ed69, 0xdaf96e6a, 0xc9a99d9e, 0x3bc21e9d, 0xef087a76, 0x1d63f975,
0x0e330a81, 0xfc588982,
+ 0xb21572c9, 0x407ef1ca, 0x532e023e, 0xa145813d, 0x758fe5d6, 0x87e466d5,
0x94b49521, 0x66df1622,
+ 0x38cc2a06, 0xcaa7a905, 0xd9f75af1, 0x2b9cd9f2, 0xff56bd19, 0x0d3d3e1a,
0x1e6dcdee, 0xec064eed,
+ 0xc38d26c4, 0x31e6a5c7, 0x22b65633, 0xd0ddd530, 0x0417b1db, 0xf67c32d8,
0xe52cc12c, 0x1747422f,
+ 0x49547e0b, 0xbb3ffd08, 0xa86f0efc, 0x5a048dff, 0x8ecee914, 0x7ca56a17,
0x6ff599e3, 0x9d9e1ae0,
+ 0xd3d3e1ab, 0x21b862a8, 0x32e8915c, 0xc083125f, 0x144976b4, 0xe622f5b7,
0xf5720643, 0x07198540,
+ 0x590ab964, 0xab613a67, 0xb831c993, 0x4a5a4a90, 0x9e902e7b, 0x6cfbad78,
0x7fab5e8c, 0x8dc0dd8f,
+ 0xe330a81a, 0x115b2b19, 0x020bd8ed, 0xf0605bee, 0x24aa3f05, 0xd6c1bc06,
0xc5914ff2, 0x37faccf1,
+ 0x69e9f0d5, 0x9b8273d6, 0x88d28022, 0x7ab90321, 0xae7367ca, 0x5c18e4c9,
0x4f48173d, 0xbd23943e,
+ 0xf36e6f75, 0x0105ec76, 0x12551f82, 0xe03e9c81, 0x34f4f86a, 0xc69f7b69,
0xd5cf889d, 0x27a40b9e,
0x79b737ba, 0x8bdcb4b9, 0x988c474d, 0x6ae7c44e, 0xbe2da0a5, 0x4c4623a6,
0x5f16d052, 0xad7d5351,
};
static UINT32 calc_crc32c(UINT32 seed, UINT8* msg, ULONG msglen) {
UINT32 rem;
ULONG i;
-
+
rem = seed;
-
+
for (i = 0; i < msglen; i++) {
rem = crctable[(rem ^ msg[i]) & 0xff] ^ (rem >> 8);
}
-
+
return rem;
}
@@ -241,83 +273,83 @@
#endif
BOOLEAN ScanDrive, PFMIFSCALLBACK Callback) {
// STUB
-
+
if (Callback) {
TEXTOUTPUT TextOut;
-
+
TextOut.Lines = 1;
TextOut.Output = "stub, not implemented";
-
+
Callback(OUTPUT, 0, &TextOut);
}
-
+
return STATUS_SUCCESS;
}
static btrfs_root* add_root(LIST_ENTRY* roots, UINT64 id) {
btrfs_root* root;
-
+
#ifdef __REACTOS__
root = RtlAllocateHeap(RtlGetProcessHeap(), HEAP_ZERO_MEMORY,
sizeof(btrfs_root));
#else
root = malloc(sizeof(btrfs_root));
#endif
-
+
root->id = id;
#ifndef __REACTOS__
RtlZeroMemory(&root->header, sizeof(tree_header));
#endif
InitializeListHead(&root->items);
InsertTailList(roots, &root->list_entry);
-
+
return root;
}
static void free_roots(LIST_ENTRY* roots) {
LIST_ENTRY* le;
-
+
le = roots->Flink;
while (le != roots) {
LIST_ENTRY *le2 = le->Flink, *le3;
btrfs_root* r = CONTAINING_RECORD(le, btrfs_root, list_entry);
-
+
le3 = r->items.Flink;
while (le3 != &r->items) {
LIST_ENTRY* le4 = le3->Flink;
btrfs_item* item = CONTAINING_RECORD(le3, btrfs_item, list_entry);
-
+
if (item->data)
#ifdef __REACTOS__
RtlFreeHeap(RtlGetProcessHeap(), 0, item->data);
-
+
RtlFreeHeap(RtlGetProcessHeap(), 0, item);
#else
free(item->data);
-
+
free(item);
#endif
-
+
le3 = le4;
}
-
+
#ifdef __REACTOS__
RtlFreeHeap(RtlGetProcessHeap(), 0, r);
#else
free(r);
#endif
-
+
le = le2;
}
}
static void free_chunks(LIST_ENTRY* chunks) {
LIST_ENTRY* le;
-
+
le = chunks->Flink;
while (le != chunks) {
LIST_ENTRY *le2 = le->Flink;
btrfs_chunk* c = CONTAINING_RECORD(le, btrfs_chunk, list_entry);
-
+
#ifndef __REACTOS__
free(c->chunk_item);
free(c);
@@ -325,7 +357,7 @@
RtlFreeHeap(RtlGetProcessHeap(), 0, c->chunk_item);
RtlFreeHeap(RtlGetProcessHeap(), 0, c);
#endif
-
+
le = le2;
}
}
@@ -333,18 +365,18 @@
static void add_item(btrfs_root* r, UINT64 obj_id, UINT8 obj_type, UINT64
offset, void* data, UINT16 size) {
LIST_ENTRY* le;
btrfs_item* item;
-
+
#ifndef __REACTOS__
item = malloc(sizeof(btrfs_item));
#else
item = RtlAllocateHeap(RtlGetProcessHeap(), 0, sizeof(btrfs_item));
#endif
-
+
item->key.obj_id = obj_id;
item->key.obj_type = obj_type;
item->key.offset = offset;
item->size = size;
-
+
if (size == 0)
item->data = NULL;
else {
@@ -355,39 +387,39 @@
#endif
memcpy(item->data, data, size);
}
-
+
le = r->items.Flink;
while (le != &r->items) {
btrfs_item* i2 = CONTAINING_RECORD(le, btrfs_item, list_entry);
-
+
if (keycmp(item->key, i2->key) != 1) {
InsertTailList(le, &item->list_entry);
return;
}
-
+
le = le->Flink;
}
-
+
InsertTailList(&r->items, &item->list_entry);
}
static UINT64 find_chunk_offset(UINT64 size, UINT64 offset, btrfs_dev* dev,
btrfs_root* dev_root, BTRFS_UUID* chunkuuid) {
UINT64 off;
DEV_EXTENT de;
-
+
off = dev->last_alloc;
dev->last_alloc += size;
-
+
dev->dev_item.bytes_used += size;
-
+
de.chunktree = BTRFS_ROOT_CHUNK;
de.objid = 0x100;
de.address = offset;
de.length = size;
de.chunktree_uuid = *chunkuuid;
-
+
add_item(dev_root, dev->dev_item.dev_id, TYPE_DEV_EXTENT, off, &de,
sizeof(DEV_EXTENT));
-
+
return off;
}
@@ -397,15 +429,15 @@
btrfs_chunk* c;
LIST_ENTRY* le;
CHUNK_ITEM_STRIPE* cis;
-
+
off = 0xc00000;
le = chunks->Flink;
while (le != chunks) {
c = CONTAINING_RECORD(le, btrfs_chunk, list_entry);
-
+
if (c->offset + c->chunk_item->size > off)
off = c->offset + c->chunk_item->size;
-
+
le = le->Flink;
}
@@ -416,15 +448,15 @@
size = 0x10000000; // 256 MB
} else if (flags & BLOCK_FLAG_SYSTEM)
size = 0x800000;
-
+
size = min(size, dev->dev_item.num_bytes / 10); // cap at 10%
size &= ~(sector_size - 1);
-
+
stripes = flags & BLOCK_FLAG_DUPLICATE ? 2 : 1;
-
+
if (dev->dev_item.num_bytes - dev->dev_item.bytes_used < stripes * size)
// not enough space
return NULL;
-
+
#ifndef __REACTOS__
c = malloc(sizeof(btrfs_chunk));
#else
@@ -433,35 +465,35 @@
c->offset = off;
c->lastoff = off;
c->used = 0;
-
-#ifndef __REACTOS__
- c->chunk_item = malloc(sizeof(CHUNK_ITEM) + (stripes *
sizeof(CHUNK_ITEM_STRIPE)));
+
+#ifndef __REACTOS__
+ c->chunk_item = malloc(sizeof(CHUNK_ITEM) + (stripes *
sizeof(CHUNK_ITEM_STRIPE)));
#else
c->chunk_item = RtlAllocateHeap(RtlGetProcessHeap(), 0, sizeof(CHUNK_ITEM)
+ (stripes * sizeof(CHUNK_ITEM_STRIPE)));
#endif
-
+
c->chunk_item->size = size;
c->chunk_item->root_id = BTRFS_ROOT_EXTENT;
- c->chunk_item->stripe_length = 0x10000;
+ c->chunk_item->stripe_length = max(sector_size, 0x10000);
c->chunk_item->type = flags;
- c->chunk_item->opt_io_alignment = 0x10000;
- c->chunk_item->opt_io_width = 0x10000;
+ c->chunk_item->opt_io_alignment = max(sector_size, 0x10000);
+ c->chunk_item->opt_io_width = max(sector_size, 0x10000);
c->chunk_item->sector_size = sector_size;
c->chunk_item->num_stripes = stripes;
c->chunk_item->sub_stripes = 0;
-
+
cis = (CHUNK_ITEM_STRIPE*)&c->chunk_item[1];
-
+
for (i = 0; i < stripes; i++) {
cis[i].dev_id = dev->dev_item.dev_id;
cis[i].offset = find_chunk_offset(size, c->offset, dev, dev_root,
chunkuuid);
cis[i].dev_uuid = dev->dev_item.device_uuid;
}
-
+
add_item(chunk_root, 0x100, TYPE_CHUNK_ITEM, c->offset, c->chunk_item,
sizeof(CHUNK_ITEM) + (stripes * sizeof(CHUNK_ITEM_STRIPE)));
InsertTailList(chunks, &c->list_entry);
-
+
return c;
}
@@ -469,35 +501,35 @@
CHUNK_ITEM_STRIPE* cis = (CHUNK_ITEM_STRIPE*)&c->chunk_item[1];
UINT64 stripe = (address - c->offset) / c->chunk_item->stripe_length;
UINT16 i, j;
-
+
for (i = 0; i < c->chunk_item->num_stripes; i++) {
j = 0;
while (superblock_addrs[j] != 0) {
if (superblock_addrs[j] >= cis[i].offset) {
UINT64 stripe2 = (superblock_addrs[j] - cis[i].offset) /
c->chunk_item->stripe_length;
-
+
if (stripe2 == stripe)
return TRUE;
}
j++;
}
}
-
+
return FALSE;
}
static UINT64 get_next_address(btrfs_chunk* c) {
UINT64 addr;
-
+
addr = c->lastoff;
-
+
while (superblock_collision(c, addr)) {
addr = addr - ((addr - c->offset) % c->chunk_item->stripe_length) +
c->chunk_item->stripe_length;
-
+
if (addr >= c->offset + c->chunk_item->size) // chunk has been
exhausted
return 0;
}
-
+
return addr;
}
@@ -507,35 +539,67 @@
TREE_BLOCK_REF tbr;
} EXTENT_ITEM_METADATA;
+typedef struct {
+ EXTENT_ITEM ei;
+ EXTENT_ITEM2 ei2;
+ UINT8 type;
+ TREE_BLOCK_REF tbr;
+} EXTENT_ITEM_METADATA2;
+
static void assign_addresses(LIST_ENTRY* roots, btrfs_chunk* sys_chunk,
btrfs_chunk* metadata_chunk, UINT32 node_size,
- btrfs_root* root_root, btrfs_root* extent_root) {
+ btrfs_root* root_root, btrfs_root* extent_root,
BOOL skinny) {
LIST_ENTRY* le;
-
+
le = roots->Flink;
while (le != roots) {
btrfs_root* r = CONTAINING_RECORD(le, btrfs_root, list_entry);
btrfs_chunk* c = r->id == BTRFS_ROOT_CHUNK ? sys_chunk :
metadata_chunk;
- EXTENT_ITEM_METADATA eim;
-
+
r->header.address = get_next_address(c);
r->c = c;
c->lastoff = r->header.address + node_size;
c->used += node_size;
-
- eim.ei.refcount = 1;
- eim.ei.generation = 1;
- eim.ei.flags = EXTENT_ITEM_TREE_BLOCK;
- eim.type = TYPE_TREE_BLOCK_REF;
- eim.tbr.offset = r->id;
-
- // FIXME - support non-skinny EXTENT_ITEM
- add_item(extent_root, r->header.address, TYPE_METADATA_ITEM, 0, &eim,
sizeof(EXTENT_ITEM_METADATA));
-
+
+ if (skinny) {
+ EXTENT_ITEM_METADATA eim;
+
+ eim.ei.refcount = 1;
+ eim.ei.generation = 1;
+ eim.ei.flags = EXTENT_ITEM_TREE_BLOCK;
+ eim.type = TYPE_TREE_BLOCK_REF;
+ eim.tbr.offset = r->id;
+
+ add_item(extent_root, r->header.address, TYPE_METADATA_ITEM, 0,
&eim, sizeof(EXTENT_ITEM_METADATA));
+ } else {
+ EXTENT_ITEM_METADATA2 eim2;
+ KEY firstitem;
+
+ if (r->items.Flink == &r->items) {
+ firstitem.obj_id = 0;
+ firstitem.obj_type = 0;
+ firstitem.offset = 0;
+ } else {
+ btrfs_item* bi = CONTAINING_RECORD(r->items.Flink, btrfs_item,
list_entry);
+
+ firstitem = bi->key;
+ }
+
+ eim2.ei.refcount = 1;
+ eim2.ei.generation = 1;
+ eim2.ei.flags = EXTENT_ITEM_TREE_BLOCK;
+ eim2.ei2.firstitem = firstitem;
+ eim2.ei2.level = 0;
+ eim2.type = TYPE_TREE_BLOCK_REF;
+ eim2.tbr.offset = r->id;
+
+ add_item(extent_root, r->header.address, TYPE_EXTENT_ITEM,
node_size, &eim2, sizeof(EXTENT_ITEM_METADATA2));
+ }
+
if (r->id != BTRFS_ROOT_ROOT && r->id != BTRFS_ROOT_CHUNK) {
ROOT_ITEM ri;
-
+
memset(&ri, 0, sizeof(ROOT_ITEM));
-
+
ri.inode.generation = 1;
ri.inode.st_size = 3;
ri.inode.st_blocks = node_size;
@@ -547,10 +611,10 @@
ri.bytes_used = node_size;
ri.num_references = 1;
ri.generation2 = ri.generation;
-
+
add_item(root_root, r->id, TYPE_ROOT_ITEM, 0, &ri,
sizeof(ROOT_ITEM));
}
-
+
le = le->Flink;
}
}
@@ -561,17 +625,17 @@
IO_STATUS_BLOCK iosb;
LARGE_INTEGER off;
CHUNK_ITEM_STRIPE* cis;
-
+
cis = (CHUNK_ITEM_STRIPE*)&c->chunk_item[1];
-
+
for (i = 0; i < c->chunk_item->num_stripes; i++) {
off.QuadPart = cis[i].offset + address - c->offset;
-
+
Status = NtWriteFile(h, NULL, NULL, NULL, &iosb, data, size, &off,
NULL);
if (!NT_SUCCESS(Status))
return Status;
}
-
+
return STATUS_SUCCESS;
}
@@ -579,13 +643,13 @@
LIST_ENTRY *le, *le2;
NTSTATUS Status;
UINT8* tree;
-
+
#ifndef __REACTOS__
tree = malloc(node_size);
#else
tree = RtlAllocateHeap(RtlGetProcessHeap(), 0, node_size);
#endif
-
+
le = roots->Flink;
while (le != roots) {
btrfs_root* r = CONTAINING_RECORD(le, btrfs_root, list_entry);
@@ -594,45 +658,45 @@
UINT32 crc32;
memset(tree, 0, node_size);
-
+
r->header.num_items = 0;
r->header.fs_uuid = *fsuuid;
r->header.flags = HEADER_FLAG_MIXED_BACKREF | HEADER_FLAG_WRITTEN;
r->header.chunk_tree_uuid = *chunkuuid;
r->header.generation = 1;
r->header.tree_id = r->id;
-
+
ln = (leaf_node*)(tree + sizeof(tree_header));
-
+
dp = tree + node_size;
-
+
le2 = r->items.Flink;
while (le2 != &r->items) {
btrfs_item* item = CONTAINING_RECORD(le2, btrfs_item, list_entry);
ln->key = item->key;
ln->size = item->size;
-
+
if (item->size > 0) {
dp -= item->size;
memcpy(dp, item->data, item->size);
-
+
ln->offset = dp - tree - sizeof(tree_header);
} else
ln->offset = 0;
-
+
ln = &ln[1];
-
+
r->header.num_items++;
-
+
le2 = le2->Flink;
}
-
+
memcpy(tree, &r->header, sizeof(tree_header));
-
+
crc32 = ~calc_crc32c(0xffffffff,
(UINT8*)&((tree_header*)tree)->fs_uuid, node_size -
sizeof(((tree_header*)tree)->csum));
memcpy(tree, &crc32, sizeof(UINT32));
-
+
Status = write_data(h, r->header.address, r->c, tree, node_size);
if (!NT_SUCCESS(Status)) {
#ifndef __REACTOS__
@@ -642,16 +706,16 @@
#endif
return Status;
}
-
+
le = le->Flink;
}
-
+
#ifndef __REACTOS__
free(tree);
#else
RtlFreeHeap(RtlGetProcessHeap(), 0, tree);
#endif
-
+
return STATUS_SUCCESS;
}
@@ -661,14 +725,14 @@
static void get_uuid(BTRFS_UUID* uuid, ULONG* seed) {
#endif
UINT8 i;
-
+
for (i = 0; i < 16; i+=2) {
#ifndef __REACTOS__
ULONG r = rand();
#else
ULONG r = RtlRandom(seed);
#endif
-
+
uuid->uuid[i] = (r & 0xff00) >> 8;
uuid->uuid[i+1] = r & 0xff;
}
@@ -697,7 +761,7 @@
get_uuid(&dev->dev_item.device_uuid, seed);
#endif
dev->dev_item.fs_uuid = *fsuuid;
-
+
dev->last_alloc = 0x100000; // skip first megabyte
}
@@ -812,7 +876,7 @@
#endif
static NTSTATUS write_superblocks(HANDLE h, btrfs_dev* dev, btrfs_root*
chunk_root, btrfs_root* root_root, btrfs_root* extent_root,
- btrfs_chunk* sys_chunk, UINT32 node_size,
BTRFS_UUID* fsuuid, UINT32 sector_size, PUNICODE_STRING label) {
+ btrfs_chunk* sys_chunk, UINT32 node_size,
BTRFS_UUID* fsuuid, UINT32 sector_size, PUNICODE_STRING label, UINT64
incompat_flags) {
NTSTATUS Status;
IO_STATUS_BLOCK iosb;
ULONG sblen;
@@ -822,32 +886,32 @@
KEY* key;
UINT64 bytes_used;
LIST_ENTRY* le;
-
+
sblen = sizeof(sb);
if (sblen & (sector_size - 1))
sblen = (sblen & sector_size) + sector_size;
-
+
bytes_used = 0;
-
+
le = extent_root->items.Flink;
while (le != &extent_root->items) {
btrfs_item* item = CONTAINING_RECORD(le, btrfs_item, list_entry);
-
+
if (item->key.obj_type == TYPE_EXTENT_ITEM)
bytes_used += item->key.offset;
else if (item->key.obj_type == TYPE_METADATA_ITEM)
bytes_used += node_size;
-
+
le = le->Flink;
}
-
+
#ifndef __REACTOS__
sb = malloc(sblen);
memset(sb, 0, sblen);
#else
sb = RtlAllocateHeap(RtlGetProcessHeap(), HEAP_ZERO_MEMORY, sblen);
#endif
-
+
sb->uuid = *fsuuid;
sb->flags = 1;
sb->magic = BTRFS_MAGIC;
@@ -864,13 +928,13 @@
sb->stripe_size = sector_size;
sb->n = sizeof(KEY) + sizeof(CHUNK_ITEM) +
(sys_chunk->chunk_item->num_stripes * sizeof(CHUNK_ITEM_STRIPE));
sb->chunk_root_generation = 1;
- sb->incompat_flags = BTRFS_INCOMPAT_FLAGS_MIXED_BACKREF |
BTRFS_INCOMPAT_FLAGS_EXTENDED_IREF | BTRFS_INCOMPAT_FLAGS_SKINNY_METADATA;
+ sb->incompat_flags = incompat_flags;
memcpy(&sb->dev_item, &dev->dev_item, sizeof(DEV_ITEM));
-
+
if (label->Length > 0) {
int i;
ULONG utf8len;
-
+
for (i = 0; i < label->Length / sizeof(WCHAR); i++) {
if (label->Buffer[i] == '/' || label->Buffer[i] == '\\') {
#ifndef __REACTOS__
@@ -881,7 +945,7 @@
return STATUS_INVALID_VOLUME_LABEL;
}
}
-
+
Status = RtlUnicodeToUTF8N(NULL, 0, &utf8len, label->Buffer,
label->Length);
if (!NT_SUCCESS(Status)) {
#ifndef __REACTOS__
@@ -891,7 +955,7 @@
#endif
return Status;
}
-
+
if (utf8len > MAX_LABEL_SIZE) {
#ifndef __REACTOS__
free(sb);
@@ -900,7 +964,7 @@
#endif
return STATUS_INVALID_VOLUME_LABEL;
}
-
+
Status = RtlUnicodeToUTF8N((PCHAR)&sb->label, MAX_LABEL_SIZE,
&utf8len, label->Buffer, label->Length);
if (!NT_SUCCESS(Status)) {
#ifndef __REACTOS__
@@ -912,27 +976,27 @@
}
}
sb->cache_generation = 0xffffffffffffffff;
-
+
key = (KEY*)sb->sys_chunk_array;
key->obj_id = 0x100;
key->obj_type = TYPE_CHUNK_ITEM;
key->offset = sys_chunk->offset;
memcpy(&key[1], sys_chunk->chunk_item, sizeof(CHUNK_ITEM) +
(sys_chunk->chunk_item->num_stripes * sizeof(CHUNK_ITEM_STRIPE)));
-
+
i = 0;
while (superblock_addrs[i] != 0) {
LARGE_INTEGER off;
-
+
if (superblock_addrs[i] > dev->dev_item.num_bytes)
break;
-
+
sb->sb_phys_addr = superblock_addrs[i];
-
+
crc32 = ~calc_crc32c(0xffffffff, (UINT8*)&sb->uuid,
(ULONG)sizeof(superblock) - sizeof(sb->checksum));
memcpy(&sb->checksum, &crc32, sizeof(UINT32));
-
+
off.QuadPart = superblock_addrs[i];
-
+
Status = NtWriteFile(h, NULL, NULL, NULL, &iosb, sb, sblen, &off,
NULL);
if (!NT_SUCCESS(Status)) {
#ifndef __REACTOS__
@@ -942,22 +1006,22 @@
#endif
return Status;
}
-
+
i++;
}
-
+
#ifndef __REACTOS__
free(sb);
#else
RtlFreeHeap(RtlGetProcessHeap(), 0, sb);
#endif
-
+
return STATUS_SUCCESS;
}
static __inline void win_time_to_unix(LARGE_INTEGER t, BTRFS_TIME* out) {
ULONGLONG l = t.QuadPart - 116444736000000000;
-
+
out->seconds = l / 10000000;
out->nanoseconds = (l % 10000000) * 100;
}
@@ -984,46 +1048,38 @@
static void init_fs_tree(btrfs_root* r, UINT32 node_size) {
INODE_ITEM ii;
INODE_REF* ir;
-#ifndef __REACTOS__
- SYSTEMTIME systime;
-#endif
FILETIME filetime;
LARGE_INTEGER time;
-
+
memset(&ii, 0, sizeof(INODE_ITEM));
-
+
ii.generation = 1;
ii.st_blocks = node_size;
ii.st_nlink = 1;
ii.st_mode = 040755;
-
-#ifndef __REACTOS__
- GetSystemTime(&systime);
- SystemTimeToFileTime(&systime, &filetime);
-#else
+
GetSystemTimeAsFileTime(&filetime);
-#endif
time.LowPart = filetime.dwLowDateTime;
time.HighPart = filetime.dwHighDateTime;
win_time_to_unix(time, &ii.st_atime);
ii.st_ctime = ii.st_mtime = ii.st_atime;
-
+
add_item(r, SUBVOL_ROOT_INODE, TYPE_INODE_ITEM, 0, &ii,
sizeof(INODE_ITEM));
-
+
#ifndef __REACTOS__
ir = malloc(sizeof(INODE_REF) - 1 + 2);
#else
ir = RtlAllocateHeap(RtlGetProcessHeap(), 0, sizeof(INODE_REF) - 1 + 2);
#endif
-
+
ir->index = 0;
ir->n = 2;
ir->name[0] = '.';
ir->name[1] = '.';
-
+
add_item(r, SUBVOL_ROOT_INODE, TYPE_INODE_REF, SUBVOL_ROOT_INODE, ir,
sizeof(INODE_REF) - 1 + ir->n);
-
+
#ifndef __REACTOS__
free(ir);
#else
@@ -1033,17 +1089,17 @@
static void add_block_group_items(LIST_ENTRY* chunks, btrfs_root* extent_root)
{
LIST_ENTRY* le;
-
+
le = chunks->Flink;
while (le != chunks) {
btrfs_chunk* c = CONTAINING_RECORD(le, btrfs_chunk, list_entry);
BLOCK_GROUP_ITEM bgi;
-
+
bgi.used = c->used;
bgi.chunk_tree = 0x100;
bgi.flags = c->chunk_item->type;
add_item(extent_root, c->offset, TYPE_BLOCK_GROUP_ITEM,
c->chunk_item->size, &bgi, sizeof(BLOCK_GROUP_ITEM));
-
+
le = le->Flink;
}
}
@@ -1053,24 +1109,25 @@
IO_STATUS_BLOCK iosb;
LARGE_INTEGER zero;
UINT8* mb;
-
+
+
#ifndef __REACTOS__
mb = malloc(0x100000);
-#else
- mb = RtlAllocateHeap(RtlGetProcessHeap(), 0, 0x100000);
-#endif
memset(mb, 0, 0x100000);
-
+#else
+ mb = RtlAllocateHeap(RtlGetProcessHeap(), HEAP_ZERO_MEMORY, 0x100000);
+#endif
+
zero.QuadPart = 0;
-
+
Status = NtWriteFile(h, NULL, NULL, NULL, &iosb, mb, 0x100000, &zero,
NULL);
-
+
#ifndef __REACTOS__
free(mb);
#else
RtlFreeHeap(RtlGetProcessHeap(), 0, mb);
#endif
-
+
return Status;
}
@@ -1080,48 +1137,60 @@
IO_STATUS_BLOCK iosb;
NTSTATUS Status;
IDENTIFY_DEVICE_DATA* idd;
-
+
aptelen = sizeof(ATA_PASS_THROUGH_EX) + 512;
#ifndef __REACTOS__
apte = malloc(aptelen);
-
+
RtlZeroMemory(apte, aptelen);
#else
apte = RtlAllocateHeap(RtlGetProcessHeap(), HEAP_ZERO_MEMORY, aptelen);
#endif
-
+
apte->Length = sizeof(ATA_PASS_THROUGH_EX);
apte->AtaFlags = ATA_FLAGS_DATA_IN;
apte->DataTransferLength = aptelen - sizeof(ATA_PASS_THROUGH_EX);
apte->TimeOutValue = 3;
apte->DataBufferOffset = apte->Length;
apte->CurrentTaskFile[6] = IDE_COMMAND_IDENTIFY;
-
+
Status = NtDeviceIoControlFile(h, NULL, NULL, NULL, &iosb,
IOCTL_ATA_PASS_THROUGH, apte, aptelen, apte, aptelen);
-
+
if (NT_SUCCESS(Status)) {
idd = (IDENTIFY_DEVICE_DATA*)((UINT8*)apte +
sizeof(ATA_PASS_THROUGH_EX));
-
- if (idd->NominalMediaRotationRate == 1)
+
+ if (idd->NominalMediaRotationRate == 1) {
+#ifndef __REACTOS__
+ free(apte);
+#else
+ RtlFreeHeap(RtlGetProcessHeap(), 0, apte);
+#endif
return TRUE;
- }
-
+ }
+ }
+
+#ifndef __REACTOS__
+ free(apte);
+#else
+ RtlFreeHeap(RtlGetProcessHeap(), 0, apte);
+#endif
+
return FALSE;
}
-static NTSTATUS write_btrfs(HANDLE h, UINT64 size, PUNICODE_STRING label,
UINT32 sector_size) {
+static NTSTATUS write_btrfs(HANDLE h, UINT64 size, PUNICODE_STRING label,
UINT32 sector_size, UINT32 node_size, UINT64 incompat_flags) {
NTSTATUS Status;
- UINT32 node_size;
LIST_ENTRY roots, chunks;
btrfs_root *root_root, *chunk_root, *extent_root, *dev_root, *fs_root,
*reloc_root;
- btrfs_chunk *sys_chunk, *metadata_chunk;
+ btrfs_chunk *sys_chunk, *metadata_chunk;
btrfs_dev dev;
BTRFS_UUID fsuuid, chunkuuid;
BOOL ssd;
+ UINT64 metadata_flags;
#ifdef __REACTOS__
ULONG seed;
#endif
-
+
#ifndef __REACTOS__
srand(time(0));
get_uuid(&fsuuid);
@@ -1131,10 +1200,10 @@
get_uuid(&fsuuid, &seed);
get_uuid(&chunkuuid, &seed);
#endif
-
+
InitializeListHead(&roots);
InitializeListHead(&chunks);
-
+
root_root = add_root(&roots, BTRFS_ROOT_ROOT);
chunk_root = add_root(&roots, BTRFS_ROOT_CHUNK);
extent_root = add_root(&roots, BTRFS_ROOT_EXTENT);
@@ -1142,65 +1211,72 @@
add_root(&roots, BTRFS_ROOT_CHECKSUM);
fs_root = add_root(&roots, BTRFS_ROOT_FSTREE);
reloc_root = add_root(&roots, BTRFS_ROOT_DATA_RELOC);
-
+
#ifndef __REACTOS__
init_device(&dev, 1, size, &fsuuid, sector_size);
#else
init_device(&dev, 1, size, &fsuuid, sector_size, &seed);
#endif
-
+
ssd = is_ssd(h);
-
+
sys_chunk = add_chunk(&chunks, BLOCK_FLAG_SYSTEM | (ssd ? 0 :
BLOCK_FLAG_DUPLICATE), chunk_root, &dev, dev_root, &chunkuuid, sector_size);
if (!sys_chunk)
return STATUS_INTERNAL_ERROR;
-
- metadata_chunk = add_chunk(&chunks, BLOCK_FLAG_METADATA | (ssd ? 0 :
BLOCK_FLAG_DUPLICATE), chunk_root, &dev, dev_root, &chunkuuid, sector_size);
+
+ metadata_flags = BLOCK_FLAG_METADATA;
+
+ if (!ssd && !(incompat_flags & BTRFS_INCOMPAT_FLAGS_MIXED_GROUPS))
+ metadata_flags |= BLOCK_FLAG_DUPLICATE;
+
+ if (incompat_flags & BTRFS_INCOMPAT_FLAGS_MIXED_GROUPS)
+ metadata_flags |= BLOCK_FLAG_DATA;
+
+ metadata_chunk = add_chunk(&chunks, metadata_flags, chunk_root, &dev,
dev_root, &chunkuuid, sector_size);
if (!metadata_chunk)
return STATUS_INTERNAL_ERROR;
-
- node_size = 0x4000;
- assign_addresses(&roots, sys_chunk, metadata_chunk, node_size, root_root,
extent_root);
-
+
add_item(chunk_root, 1, TYPE_DEV_ITEM, dev.dev_item.dev_id, &dev.dev_item,
sizeof(DEV_ITEM));
-
+
init_fs_tree(fs_root, node_size);
init_fs_tree(reloc_root, node_size);
-
+
+ assign_addresses(&roots, sys_chunk, metadata_chunk, node_size, root_root,
extent_root, incompat_flags & BTRFS_INCOMPAT_FLAGS_SKINNY_METADATA);
+
add_block_group_items(&chunks, extent_root);
-
+
Status = write_roots(h, &roots, node_size, &fsuuid, &chunkuuid);
if (!NT_SUCCESS(Status))
return Status;
-
+
Status = clear_first_megabyte(h);
if (!NT_SUCCESS(Status))
return Status;
-
- Status = write_superblocks(h, &dev, chunk_root, root_root, extent_root,
sys_chunk, node_size, &fsuuid, sector_size, label);
+
+ Status = write_superblocks(h, &dev, chunk_root, root_root, extent_root,
sys_chunk, node_size, &fsuuid, sector_size, label, incompat_flags);
if (!NT_SUCCESS(Status))
return Status;
-
+
free_roots(&roots);
free_chunks(&chunks);
-
+
return STATUS_SUCCESS;
}
static BOOL look_for_device(btrfs_filesystem* bfs, BTRFS_UUID* devuuid) {
UINT32 i;
btrfs_filesystem_device* dev;
-
+
for (i = 0; i < bfs->num_devices; i++) {
if (i == 0)
dev = &bfs->device;
else
dev = (btrfs_filesystem_device*)((UINT8*)dev +
offsetof(btrfs_filesystem_device, name[0]) + dev->name_length);
-
+
if (RtlCompareMemory(&dev->uuid, devuuid, sizeof(BTRFS_UUID)) ==
sizeof(BTRFS_UUID))
return TRUE;
}
-
+
return FALSE;
}
@@ -1218,21 +1294,21 @@
btrfs_filesystem *bfs = NULL, *bfs2;
ULONG bfssize;
BOOL ret = FALSE;
-
+
static WCHAR btrfs[] = L"\\Btrfs";
-
+
sblen = sizeof(sb);
if (sblen & (sector_size - 1))
sblen = (sblen & sector_size) + sector_size;
-
+
#ifndef __REACTOS__
sb = malloc(sblen);
#else
sb = RtlAllocateHeap(RtlGetProcessHeap(), 0, sblen);
#endif
-
+
off.QuadPart = superblock_addrs[0];
-
+
Status = NtReadFile(h, NULL, NULL, NULL, &iosb, sb, sblen, &off, NULL);
if (!NT_SUCCESS(Status)) {
#ifndef __REACTOS__
@@ -1242,7 +1318,7 @@
#endif
return FALSE;
}
-
+
if (sb->magic != BTRFS_MAGIC) {
#ifndef __REACTOS__
free(sb);
@@ -1251,7 +1327,7 @@
#endif
return FALSE;
}
-
+
crc32 = ~calc_crc32c(0xffffffff, (UINT8*)&sb->uuid,
(ULONG)sizeof(superblock) - sizeof(sb->checksum));
if (crc32 != *((UINT32*)sb)) {
#ifndef __REACTOS__
@@ -1261,31 +1337,31 @@
#endif
return FALSE;
}
-
+
fsuuid = sb->uuid;
devuuid = sb->dev_item.device_uuid;
-
+
#ifndef __REACTOS__
free(sb);
#else
RtlFreeHeap(RtlGetProcessHeap(), 0, sb);
#endif
-
+
us.Length = us.MaximumLength = wcslen(btrfs) * sizeof(WCHAR);
us.Buffer = btrfs;
-
+
InitializeObjectAttributes(&atts, &us, 0, NULL, NULL);
-
+
Status = NtOpenFile(&h2, SYNCHRONIZE | FILE_READ_ATTRIBUTES, &atts, &iosb,
FILE_SHARE_READ | FILE_SHARE_WRITE,
FILE_SYNCHRONOUS_IO_ALERT);
if (!NT_SUCCESS(Status)) // not a problem, it usually just means the
driver isn't loaded
return FALSE;
-
+
bfssize = 0;
-
+
do {
bfssize += 1024;
-
+
#ifndef __REACTOS__
if (bfs) free(bfs);
bfs = malloc(bfssize);
@@ -1293,17 +1369,17 @@
if (bfs) RtlFreeHeap(RtlGetProcessHeap(), 0, bfs);
bfs = RtlAllocateHeap(RtlGetProcessHeap(), 0, bfssize);
#endif
-
+
Status = NtDeviceIoControlFile(h2, NULL, NULL, NULL, &iosb,
IOCTL_BTRFS_QUERY_FILESYSTEMS, NULL, 0, bfs, bfssize);
if (!NT_SUCCESS(Status) && Status != STATUS_BUFFER_OVERFLOW) {
NtClose(h2);
return FALSE;
}
} while (Status == STATUS_BUFFER_OVERFLOW);
-
+
if (!NT_SUCCESS(Status))
goto end;
-
+
if (bfs->num_devices != 0) {
bfs2 = bfs;
while (TRUE) {
@@ -1312,162 +1388,265 @@
ret = FALSE;
else
ret = look_for_device(bfs2, &devuuid);
-
+
goto end;
}
-
+
if (bfs2->next_entry == 0)
break;
else
bfs2 = (btrfs_filesystem*)((UINT8*)bfs2 + bfs2->next_entry);
}
}
-
+
end:
NtClose(h2);
-
+
if (bfs)
#ifndef __REACTOS__
free(bfs);
#else
RtlFreeHeap(RtlGetProcessHeap(), 0, bfs);
#endif
-
+
return ret;
}
-static void add_drive_letter(HANDLE h) {
- NTSTATUS Status;
+static void do_full_trim(HANDLE h) {
IO_STATUS_BLOCK iosb;
- MOUNTDEV_NAME mdn, *mdn2;
- UNICODE_STRING us;
- OBJECT_ATTRIBUTES attr;
- HANDLE mountmgr;
- MOUNTMGR_DRIVE_LETTER_INFORMATION mdli;
-
- Status = NtDeviceIoControlFile(h, NULL, NULL, NULL, &iosb,
IOCTL_MOUNTDEV_QUERY_DEVICE_NAME, NULL, 0, &mdn, sizeof(mdn));
- if (!NT_SUCCESS(Status) && Status != STATUS_BUFFER_OVERFLOW)
- return;
-
-#ifndef __REACTOS__
- mdn2 = malloc(offsetof(MOUNTDEV_NAME, Name[0]) + mdn.NameLength);
-#else
- mdn2 = RtlAllocateHeap(RtlGetProcessHeap(), 0, offsetof(MOUNTDEV_NAME,
Name[0]) + mdn.NameLength);
-#endif
-
- Status = NtDeviceIoControlFile(h, NULL, NULL, NULL, &iosb,
IOCTL_MOUNTDEV_QUERY_DEVICE_NAME, NULL, 0, mdn2, offsetof(MOUNTDEV_NAME,
Name[0]) + mdn.NameLength);
- if (!NT_SUCCESS(Status))
- goto end;
-
- RtlInitUnicodeString(&us, MOUNTMGR_DEVICE_NAME);
- InitializeObjectAttributes(&attr, &us, 0, NULL, NULL);
-
- Status = NtOpenFile(&mountmgr, FILE_GENERIC_READ | FILE_GENERIC_WRITE,
&attr, &iosb,
- FILE_SHARE_READ, FILE_SYNCHRONOUS_IO_ALERT);
-
- if (!NT_SUCCESS(Status))
- goto end;
-
- // MOUNTDEV_NAME is identical to MOUNTMGR_TARGET_NAME
- Status = NtDeviceIoControlFile(mountmgr, NULL, NULL, NULL, &iosb,
IOCTL_MOUNTMGR_VOLUME_ARRIVAL_NOTIFICATION,
- mdn2, offsetof(MOUNTDEV_NAME, Name[0]) +
mdn.NameLength, NULL, 0);
- if (!NT_SUCCESS(Status))
- goto end2;
-
- // MOUNTDEV_NAME is identical to MOUNTMGR_DRIVE_LETTER_TARGET
- Status = NtDeviceIoControlFile(mountmgr, NULL, NULL, NULL, &iosb,
IOCTL_MOUNTMGR_NEXT_DRIVE_LETTER,
- mdn2, offsetof(MOUNTDEV_NAME, Name[0]) +
mdn.NameLength, &mdli, sizeof(mdli));
- if (!NT_SUCCESS(Status))
- goto end2;
-
-end2:
- NtClose(mountmgr);
-
-end:
-#ifndef __REACTOS__
- free(mdn2);
-#else
- RtlFreeHeap(RtlGetProcessHeap(), 0, mdn2);
-#endif
-}
-
-#ifndef __REACTOS__
-NTSTATUS NTAPI FormatEx(PUNICODE_STRING DriveRoot, FMIFS_MEDIA_FLAG MediaFlag,
PUNICODE_STRING Label,
+ DEVICE_MANAGE_DATA_SET_ATTRIBUTES dmdsa;
+
+ RtlZeroMemory(&dmdsa, sizeof(DEVICE_MANAGE_DATA_SET_ATTRIBUTES));
+
+ dmdsa.Size = sizeof(DEVICE_MANAGE_DATA_SET_ATTRIBUTES);
+ dmdsa.Action = DeviceDsmAction_Trim;
+ dmdsa.Flags = DEVICE_DSM_FLAG_ENTIRE_DATA_SET_RANGE |
DEVICE_DSM_FLAG_TRIM_NOT_FS_ALLOCATED;
+ dmdsa.ParameterBlockOffset = 0;
+ dmdsa.ParameterBlockLength = 0;
+ dmdsa.DataSetRangesOffset = 0;
+ dmdsa.DataSetRangesLength = 0;
+
+ NtDeviceIoControlFile(h, NULL, NULL, NULL, &iosb,
IOCTL_STORAGE_MANAGE_DATA_SET_ATTRIBUTES, &dmdsa,
sizeof(DEVICE_MANAGE_DATA_SET_ATTRIBUTES), NULL, 0);
+}
+
+static BOOL is_power_of_two(ULONG i) {
+ return ((i != 0) && !(i & (i - 1)));
+}
+
+#ifndef __REACTOS__
+static NTSTATUS NTAPI FormatEx2(PUNICODE_STRING DriveRoot, FMIFS_MEDIA_FLAG
MediaFlag, PUNICODE_STRING Label,
#else
NTSTATUS NTAPI BtrfsFormatEx(PUNICODE_STRING DriveRoot, FMIFS_MEDIA_FLAG
MediaFlag, PUNICODE_STRING Label,
#endif
- BOOLEAN QuickFormat, ULONG ClusterSize, PFMIFSCALLBACK
Callback)
+ BOOLEAN QuickFormat, ULONG ClusterSize,
PFMIFSCALLBACK Callback)
{
NTSTATUS Status;
- HANDLE h;
+ HANDLE h, btrfsh;
OBJECT_ATTRIBUTES attr;
IO_STATUS_BLOCK iosb;
GET_LENGTH_INFORMATION gli;
- DISK_GEOMETRY_EX dgex;
- UINT32 sector_size;
-
- InitializeObjectAttributes(&attr, DriveRoot, 0, NULL, NULL);
-
+ DISK_GEOMETRY dg;
+ UINT32 sector_size, node_size;
+ UNICODE_STRING btrfsus;
+#ifndef __REACTOS__
+ HANDLE token;
+ TOKEN_PRIVILEGES tp;
+ LUID luid;
+#endif
+ UINT64 incompat_flags;
+
+ static WCHAR btrfs[] = L"\\Btrfs";
+
+#ifndef __REACTOS__
+ if (!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES |
TOKEN_QUERY, &token))
+ return STATUS_PRIVILEGE_NOT_HELD;
+
+ if (!LookupPrivilegeValueW(NULL, L"SeManageVolumePrivilege", &luid)) {
+ CloseHandle(token);
+ return STATUS_PRIVILEGE_NOT_HELD;
+ }
+
+ tp.PrivilegeCount = 1;
+ tp.Privileges[0].Luid = luid;
+ tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
+
+ if (!AdjustTokenPrivileges(token, FALSE, &tp, sizeof(TOKEN_PRIVILEGES),
NULL, NULL)) {
+ CloseHandle(token);
+ return STATUS_PRIVILEGE_NOT_HELD;
+ }
+
+ CloseHandle(token);
+#endif
+
+ InitializeObjectAttributes(&attr, DriveRoot, OBJ_CASE_INSENSITIVE, NULL,
NULL);
+
Status = NtOpenFile(&h, FILE_GENERIC_READ | FILE_GENERIC_WRITE, &attr,
&iosb,
FILE_SHARE_READ, FILE_SYNCHRONOUS_IO_ALERT);
-
+
if (!NT_SUCCESS(Status))
return Status;
-
+
Status = NtDeviceIoControlFile(h, NULL, NULL, NULL, &iosb,
IOCTL_DISK_GET_LENGTH_INFO, NULL, 0, &gli, sizeof(gli));
if (!NT_SUCCESS(Status)) {
NtClose(h);
return Status;
}
- Status = NtDeviceIoControlFile(h, NULL, NULL, NULL, &iosb,
IOCTL_DISK_GET_DRIVE_GEOMETRY_EX, NULL, 0, &dgex, sizeof(dgex));
+ // MSDN tells us to use IOCTL_DISK_GET_DRIVE_GEOMETRY_EX, but there are
+ // some instances where it fails and IOCTL_DISK_GET_DRIVE_GEOMETRY
succeeds -
+ // such as with spanned volumes.
+ Status = NtDeviceIoControlFile(h, NULL, NULL, NULL, &iosb,
IOCTL_DISK_GET_DRIVE_GEOMETRY, NULL, 0, &dg, sizeof(dg));
if (!NT_SUCCESS(Status)) {
NtClose(h);
return Status;
}
-
- sector_size = dgex.Geometry.BytesPerSector;
-
- if (sector_size == 0x200 || sector_size == 0)
- sector_size = 0x1000;
-
+
+ if (def_sector_size == 0) {
+ sector_size = dg.BytesPerSector;
+
+ if (sector_size == 0x200 || sector_size == 0)
+ sector_size = 0x1000;
+ } else {
+ if (dg.BytesPerSector != 0 && (def_sector_size < dg.BytesPerSector ||
def_sector_size % dg.BytesPerSector != 0 || !is_power_of_two(def_sector_size /
dg.BytesPerSector))) {
+ NtClose(h);
+ return STATUS_INVALID_PARAMETER;
+ }
+
+ sector_size = def_sector_size;
+ }
+
+ if (def_node_size == 0)
+ node_size = 0x4000;
+ else {
+ if (def_node_size < sector_size || def_node_size % sector_size != 0 ||
!is_power_of_two(def_node_size / sector_size)) {
+ NtClose(h);
+ return STATUS_INVALID_PARAMETER;
+ }
+
+ node_size = def_node_size;
+ }
+
if (Callback) {
ULONG pc = 0;
Callback(PROGRESS, 0, (PVOID)&pc);
}
-
+
NtFsControlFile(h, NULL, NULL, NULL, &iosb, FSCTL_LOCK_VOLUME, NULL, 0,
NULL, 0);
-
+
if (is_mounted_multi_device(h, sector_size)) {
Status = STATUS_ACCESS_DENIED;
goto end;
}
-
- Status = write_btrfs(h, gli.Length.QuadPart, Label, sector_size);
-
+
+ do_full_trim(h);
+
+ incompat_flags = def_incompat_flags;
+ incompat_flags |= BTRFS_INCOMPAT_FLAGS_MIXED_BACKREF |
BTRFS_INCOMPAT_FLAGS_BIG_METADATA;
+
+ Status = write_btrfs(h, gli.Length.QuadPart, Label, sector_size,
node_size, incompat_flags);
+
NtFsControlFile(h, NULL, NULL, NULL, &iosb, FSCTL_DISMOUNT_VOLUME, NULL,
0, NULL, 0);
-
+
end:
NtFsControlFile(h, NULL, NULL, NULL, &iosb, FSCTL_UNLOCK_VOLUME, NULL, 0,
NULL, 0);
-
- if (NT_SUCCESS(Status))
- add_drive_letter(h);
-
+
NtClose(h);
-
+
+ if (NT_SUCCESS(Status)) {
+ btrfsus.Buffer = btrfs;
+ btrfsus.Length = btrfsus.MaximumLength = wcslen(btrfs) * sizeof(WCHAR);
+
+ InitializeObjectAttributes(&attr, &btrfsus, 0, NULL, NULL);
+
+ Status = NtOpenFile(&btrfsh, FILE_GENERIC_READ | FILE_GENERIC_WRITE,
&attr, &iosb,
+ FILE_SHARE_READ, FILE_SYNCHRONOUS_IO_ALERT);
+
+ if (NT_SUCCESS(Status)) {
+ MOUNTDEV_NAME* mdn;
+ ULONG mdnsize;
+
+ mdnsize = offsetof(MOUNTDEV_NAME, Name[0]) + DriveRoot->Length;
+#ifndef __REACTOS__
+ mdn = malloc(mdnsize);
+#else
+ mdn = RtlAllocateHeap(RtlGetProcessHeap(), 0, mdnsize);
+#endif
+
+ mdn->NameLength = DriveRoot->Length;
+ memcpy(mdn->Name, DriveRoot->Buffer, DriveRoot->Length);
+
+ NtDeviceIoControlFile(btrfsh, NULL, NULL, NULL, &iosb,
IOCTL_BTRFS_PROBE_VOLUME, mdn, mdnsize, NULL, 0);
+
+#ifndef __REACTOS__
+ free(mdn);
+#else
+ RtlFreeHeap(RtlGetProcessHeap(), 0, mdn);
+#endif
+
+ NtClose(btrfsh);
+ }
+
+ Status = STATUS_SUCCESS;
+ }
+
if (Callback) {
BOOL success = NT_SUCCESS(Status);
Callback(DONE, 0, (PVOID)&success);
}
-
+
return Status;
+}
+
+BOOL __stdcall FormatEx(DSTRING* root, STREAM_MESSAGE* message, options* opts,
UINT32 unk1) {
+ UNICODE_STRING DriveRoot, Label;
+ NTSTATUS Status;
+
+ if (!root || !root->string)
+ return FALSE;
+
+ DriveRoot.Length = DriveRoot.MaximumLength = wcslen(root->string) *
sizeof(WCHAR);
+ DriveRoot.Buffer = root->string;
+
+ if (opts && opts->label && opts->label->string) {
+ Label.Length = Label.MaximumLength = wcslen(opts->label->string) *
sizeof(WCHAR);
+ Label.Buffer = opts->label->string;
+ } else {
+ Label.Length = Label.MaximumLength = 0;
+ Label.Buffer = NULL;
+ }
+
+#ifndef __REACTOS__
+ Status = FormatEx2(&DriveRoot, FMIFS_HARDDISK, &Label, opts && opts->flags
& FORMAT_FLAG_QUICK_FORMAT, 0, NULL);
+#else
+ Status = BtrfsFormatEx(&DriveRoot, FMIFS_HARDDISK, &Label, opts &&
opts->flags & FORMAT_FLAG_QUICK_FORMAT, 0, NULL);
+#endif
+
+ return NT_SUCCESS(Status);
+}
+
+void __stdcall SetSizes(ULONG sector, ULONG node) {
+ if (sector != 0)
+ def_sector_size = sector;
+
+ if (node != 0)
+ def_node_size = node;
+}
+
+void __stdcall SetIncompatFlags(UINT64 incompat_flags) {
+ def_incompat_flags = incompat_flags;
+}
+
+BOOL __stdcall GetFilesystemInformation(UINT32 unk1, UINT32 unk2, void* unk3) {
+ // STUB - undocumented
+
+ return TRUE;
}
#ifndef __REACTOS__
BOOL APIENTRY DllMain(HANDLE hModule, DWORD dwReason, void* lpReserved) {
if (dwReason == DLL_PROCESS_ATTACH)
module = (HMODULE)hModule;
-
+
return TRUE;
}
#endif
