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[BTRFS] Upgrade to 1.4
CORE-16354
This commit is contained in:
Pierre Schweitzer
parent
a0592b71e9
commit
318da0c18c
43 changed files with 7554 additions and 6744 deletions
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@ -17,6 +17,8 @@
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#include "btrfs_drv.h"
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extern tFsRtlValidateReparsePointBuffer fFsRtlValidateReparsePointBuffer;
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NTSTATUS get_reparse_point(PDEVICE_OBJECT DeviceObject, PFILE_OBJECT FileObject, void* buffer, DWORD buflen, ULONG_PTR* retlen) {
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USHORT subnamelen, printnamelen, i;
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ULONG stringlen;
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@ -31,12 +33,12 @@ NTSTATUS get_reparse_point(PDEVICE_OBJECT DeviceObject, PFILE_OBJECT FileObject,
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if (!ccb)
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return STATUS_INVALID_PARAMETER;
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ExAcquireResourceSharedLite(&fcb->Vcb->tree_lock, TRUE);
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ExAcquireResourceSharedLite(fcb->Header.Resource, TRUE);
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ExAcquireResourceSharedLite(&fcb->Vcb->tree_lock, true);
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ExAcquireResourceSharedLite(fcb->Header.Resource, true);
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if (fcb->type == BTRFS_TYPE_SYMLINK) {
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if (ccb->lxss) {
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reqlen = offsetof(REPARSE_DATA_BUFFER, GenericReparseBuffer.DataBuffer) + sizeof(UINT32);
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reqlen = offsetof(REPARSE_DATA_BUFFER, GenericReparseBuffer.DataBuffer) + sizeof(uint32_t);
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if (buflen < reqlen) {
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Status = STATUS_BUFFER_OVERFLOW;
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@ -44,10 +46,10 @@ NTSTATUS get_reparse_point(PDEVICE_OBJECT DeviceObject, PFILE_OBJECT FileObject,
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}
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rdb->ReparseTag = IO_REPARSE_TAG_LXSS_SYMLINK;
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rdb->ReparseDataLength = offsetof(REPARSE_DATA_BUFFER, GenericReparseBuffer.DataBuffer) + sizeof(UINT32);
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rdb->ReparseDataLength = offsetof(REPARSE_DATA_BUFFER, GenericReparseBuffer.DataBuffer) + sizeof(uint32_t);
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rdb->Reserved = 0;
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*((UINT32*)rdb->GenericReparseBuffer.DataBuffer) = 1;
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*((uint32_t*)rdb->GenericReparseBuffer.DataBuffer) = 1;
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*retlen = reqlen;
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} else {
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@ -66,7 +68,7 @@ NTSTATUS get_reparse_point(PDEVICE_OBJECT DeviceObject, PFILE_OBJECT FileObject,
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}
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TRACE("data = %p, size = %x\n", data, fcb->inode_item.st_size);
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Status = read_file(fcb, (UINT8*)data, 0, fcb->inode_item.st_size, NULL, NULL);
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Status = read_file(fcb, (uint8_t*)data, 0, fcb->inode_item.st_size, NULL, NULL);
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if (!NT_SUCCESS(Status)) {
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ERR("read_file returned %08x\n", Status);
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@ -74,15 +76,15 @@ NTSTATUS get_reparse_point(PDEVICE_OBJECT DeviceObject, PFILE_OBJECT FileObject,
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goto end;
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}
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Status = RtlUTF8ToUnicodeN(NULL, 0, &stringlen, data, (ULONG)fcb->inode_item.st_size);
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Status = utf8_to_utf16(NULL, 0, &stringlen, data, (ULONG)fcb->inode_item.st_size);
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if (!NT_SUCCESS(Status)) {
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ERR("RtlUTF8ToUnicodeN 1 returned %08x\n", Status);
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ERR("utf8_to_utf16 1 returned %08x\n", Status);
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ExFreePool(data);
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goto end;
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}
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subnamelen = (UINT16)stringlen;
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printnamelen = (UINT16)stringlen;
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subnamelen = (uint16_t)stringlen;
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printnamelen = (uint16_t)stringlen;
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reqlen = offsetof(REPARSE_DATA_BUFFER, SymbolicLinkReparseBuffer.PathBuffer) + subnamelen + printnamelen;
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@ -108,11 +110,11 @@ NTSTATUS get_reparse_point(PDEVICE_OBJECT DeviceObject, PFILE_OBJECT FileObject,
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rdb->SymbolicLinkReparseBuffer.PrintNameLength = printnamelen;
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rdb->SymbolicLinkReparseBuffer.Flags = SYMLINK_FLAG_RELATIVE;
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Status = RtlUTF8ToUnicodeN(&rdb->SymbolicLinkReparseBuffer.PathBuffer[rdb->SymbolicLinkReparseBuffer.SubstituteNameOffset / sizeof(WCHAR)],
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Status = utf8_to_utf16(&rdb->SymbolicLinkReparseBuffer.PathBuffer[rdb->SymbolicLinkReparseBuffer.SubstituteNameOffset / sizeof(WCHAR)],
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stringlen, &stringlen, data, (ULONG)fcb->inode_item.st_size);
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if (!NT_SUCCESS(Status)) {
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ERR("RtlUTF8ToUnicodeN 2 returned %08x\n", Status);
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ERR("utf8_to_utf16 2 returned %08x\n", Status);
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ExFreePool(data);
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goto end;
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}
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@ -169,7 +171,7 @@ end:
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return Status;
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}
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static NTSTATUS set_symlink(PIRP Irp, file_ref* fileref, fcb* fcb, ccb* ccb, REPARSE_DATA_BUFFER* rdb, ULONG buflen, BOOL write, LIST_ENTRY* rollback) {
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static NTSTATUS set_symlink(PIRP Irp, file_ref* fileref, fcb* fcb, ccb* ccb, REPARSE_DATA_BUFFER* rdb, ULONG buflen, bool write, LIST_ENTRY* rollback) {
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NTSTATUS Status;
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ULONG minlen;
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ULONG tlength;
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@ -211,9 +213,9 @@ static NTSTATUS set_symlink(PIRP Irp, file_ref* fileref, fcb* fcb, ccb* ccb, REP
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return Status;
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}
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Status = RtlUnicodeToUTF8N(NULL, 0, (PULONG)&target.Length, subname.Buffer, subname.Length);
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Status = utf16_to_utf8(NULL, 0, (PULONG)&target.Length, subname.Buffer, subname.Length);
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if (!NT_SUCCESS(Status)) {
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ERR("RtlUnicodeToUTF8N 1 failed with error %08x\n", Status);
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ERR("utf16_to_utf8 1 failed with error %08x\n", Status);
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return Status;
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}
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@ -224,9 +226,9 @@ static NTSTATUS set_symlink(PIRP Irp, file_ref* fileref, fcb* fcb, ccb* ccb, REP
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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Status = RtlUnicodeToUTF8N(target.Buffer, target.Length, (PULONG)&target.Length, subname.Buffer, subname.Length);
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Status = utf16_to_utf8(target.Buffer, target.Length, (PULONG)&target.Length, subname.Buffer, subname.Length);
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if (!NT_SUCCESS(Status)) {
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ERR("RtlUnicodeToUTF8N 2 failed with error %08x\n", Status);
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ERR("utf16_to_utf8 2 failed with error %08x\n", Status);
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ExFreePool(target.Buffer);
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return Status;
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}
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@ -238,8 +240,8 @@ static NTSTATUS set_symlink(PIRP Irp, file_ref* fileref, fcb* fcb, ccb* ccb, REP
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offset.QuadPart = 0;
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tlength = target.Length;
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Status = write_file2(fcb->Vcb, Irp, offset, target.Buffer, &tlength, FALSE, TRUE,
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TRUE, FALSE, FALSE, rollback);
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Status = write_file2(fcb->Vcb, Irp, offset, target.Buffer, &tlength, false, true,
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true, false, false, rollback);
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ExFreePool(target.Buffer);
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} else
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Status = STATUS_SUCCESS;
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@ -259,7 +261,7 @@ static NTSTATUS set_symlink(PIRP Irp, file_ref* fileref, fcb* fcb, ccb* ccb, REP
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fcb->subvol->root_item.ctransid = fcb->Vcb->superblock.generation;
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fcb->subvol->root_item.ctime = now;
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fcb->inode_item_changed = TRUE;
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fcb->inode_item_changed = true;
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mark_fcb_dirty(fcb);
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if (fileref)
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@ -286,7 +288,7 @@ NTSTATUS set_reparse_point2(fcb* fcb, REPARSE_DATA_BUFFER* rdb, ULONG buflen, cc
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return STATUS_INVALID_BUFFER_SIZE;
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}
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Status = FsRtlValidateReparsePointBuffer(buflen, rdb);
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Status = fFsRtlValidateReparsePointBuffer(buflen, rdb);
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if (!NT_SUCCESS(Status)) {
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ERR("FsRtlValidateReparsePointBuffer returned %08x\n", Status);
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return Status;
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@ -310,7 +312,7 @@ NTSTATUS set_reparse_point2(fcb* fcb, REPARSE_DATA_BUFFER* rdb, ULONG buflen, cc
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ERR("out of memory\n");
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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buf.Length = buf.MaximumLength = (UINT16)buflen;
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buf.Length = buf.MaximumLength = (uint16_t)buflen;
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if (fcb->reparse_xattr.Buffer)
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ExFreePool(fcb->reparse_xattr.Buffer);
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@ -318,7 +320,7 @@ NTSTATUS set_reparse_point2(fcb* fcb, REPARSE_DATA_BUFFER* rdb, ULONG buflen, cc
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fcb->reparse_xattr = buf;
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RtlCopyMemory(buf.Buffer, rdb, buflen);
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fcb->reparse_xattr_changed = TRUE;
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fcb->reparse_xattr_changed = true;
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Status = STATUS_SUCCESS;
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} else { // otherwise, store as file data
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@ -330,7 +332,7 @@ NTSTATUS set_reparse_point2(fcb* fcb, REPARSE_DATA_BUFFER* rdb, ULONG buflen, cc
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offset.QuadPart = 0;
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Status = write_file2(fcb->Vcb, Irp, offset, rdb, &buflen, FALSE, TRUE, TRUE, FALSE, FALSE, rollback);
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Status = write_file2(fcb->Vcb, Irp, offset, rdb, &buflen, false, true, true, false, false, rollback);
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if (!NT_SUCCESS(Status)) {
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ERR("write_file2 returned %08x\n", Status);
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return Status;
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@ -350,12 +352,12 @@ NTSTATUS set_reparse_point2(fcb* fcb, REPARSE_DATA_BUFFER* rdb, ULONG buflen, cc
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fcb->inode_item.st_mtime = now;
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fcb->atts |= FILE_ATTRIBUTE_REPARSE_POINT;
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fcb->atts_changed = TRUE;
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fcb->atts_changed = true;
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fcb->subvol->root_item.ctransid = fcb->Vcb->superblock.generation;
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fcb->subvol->root_item.ctime = now;
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fcb->inode_item_changed = TRUE;
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fcb->inode_item_changed = true;
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mark_fcb_dirty(fcb);
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}
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@ -414,8 +416,8 @@ NTSTATUS set_reparse_point(PDEVICE_OBJECT DeviceObject, PIRP Irp) {
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TRACE("%S\n", file_desc(FileObject));
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ExAcquireResourceSharedLite(&fcb->Vcb->tree_lock, TRUE);
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ExAcquireResourceExclusiveLite(fcb->Header.Resource, TRUE);
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ExAcquireResourceSharedLite(&fcb->Vcb->tree_lock, true);
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ExAcquireResourceExclusiveLite(fcb->Header.Resource, true);
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Status = set_reparse_point2(fcb, rdb, buflen, ccb, fileref, Irp, &rollback);
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if (!NT_SUCCESS(Status)) {
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@ -483,8 +485,8 @@ NTSTATUS delete_reparse_point(PDEVICE_OBJECT DeviceObject, PIRP Irp) {
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return STATUS_INVALID_PARAMETER;
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}
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ExAcquireResourceSharedLite(&fcb->Vcb->tree_lock, TRUE);
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ExAcquireResourceExclusiveLite(fcb->Header.Resource, TRUE);
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ExAcquireResourceSharedLite(&fcb->Vcb->tree_lock, true);
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ExAcquireResourceExclusiveLite(fcb->Header.Resource, true);
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TRACE("%S\n", file_desc(FileObject));
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@ -539,7 +541,7 @@ NTSTATUS delete_reparse_point(PDEVICE_OBJECT DeviceObject, PIRP Irp) {
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mark_fileref_dirty(fileref);
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fileref->fcb->inode_item_changed = TRUE;
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fileref->fcb->inode_item_changed = true;
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mark_fcb_dirty(fileref->fcb);
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fileref->fcb->subvol->root_item.ctransid = fcb->Vcb->superblock.generation;
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@ -557,7 +559,7 @@ NTSTATUS delete_reparse_point(PDEVICE_OBJECT DeviceObject, PIRP Irp) {
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}
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fcb->atts &= ~FILE_ATTRIBUTE_REPARSE_POINT;
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fcb->atts_changed = TRUE;
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fcb->atts_changed = true;
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KeQuerySystemTime(&time);
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win_time_to_unix(time, &now);
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@ -571,7 +573,7 @@ NTSTATUS delete_reparse_point(PDEVICE_OBJECT DeviceObject, PIRP Irp) {
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if (!ccb->user_set_write_time)
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fcb->inode_item.st_mtime = now;
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fcb->inode_item_changed = TRUE;
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fcb->inode_item_changed = true;
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mark_fcb_dirty(fcb);
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fcb->subvol->root_item.ctransid = fcb->Vcb->superblock.generation;
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@ -583,14 +585,14 @@ NTSTATUS delete_reparse_point(PDEVICE_OBJECT DeviceObject, PIRP Irp) {
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// FIXME - do we need to check that the reparse tags match?
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fcb->atts &= ~FILE_ATTRIBUTE_REPARSE_POINT;
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fcb->atts_changed = TRUE;
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fcb->atts_changed = true;
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if (fcb->reparse_xattr.Buffer) {
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ExFreePool(fcb->reparse_xattr.Buffer);
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fcb->reparse_xattr.Buffer = NULL;
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}
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fcb->reparse_xattr_changed = TRUE;
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fcb->reparse_xattr_changed = true;
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KeQuerySystemTime(&time);
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win_time_to_unix(time, &now);
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@ -604,7 +606,7 @@ NTSTATUS delete_reparse_point(PDEVICE_OBJECT DeviceObject, PIRP Irp) {
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if (!ccb->user_set_write_time)
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fcb->inode_item.st_mtime = now;
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fcb->inode_item_changed = TRUE;
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fcb->inode_item_changed = true;
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mark_fcb_dirty(fcb);
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fcb->subvol->root_item.ctransid = fcb->Vcb->superblock.generation;
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