[fireball] 50164: [FASTFAT_NEW] - Substantially improve FatiCreate routine, to handle previously unhandled cases, fix wrong code structure in some places, add a stub for further implementation of a...
27 Dec
2010
27 Dec
'10
4:49 p.m.
Author: fireball
Date: Mon Dec 27 16:49:21 2010
New Revision: 50164
URL: http://svn.reactos.org/svn/reactos?rev=50164&view=rev
Log:
[FASTFAT_NEW]
- Substantially improve FatiCreate routine, to handle previously unhandled cases, fix
wrong code structure in some places, add a stub for further implementation of a new file
creation branch.
- Hackskip setting delay-on-close for a file for now (with a debug print reminder!)
Modified:
trunk/reactos/drivers/filesystems/fastfat_new/cleanup.c
trunk/reactos/drivers/filesystems/fastfat_new/create.c
Modified: trunk/reactos/drivers/filesystems/fastfat_new/cleanup.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filesystems/fastfa…
==============================================================================
--- trunk/reactos/drivers/filesystems/fastfat_new/cleanup.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/filesystems/fastfat_new/cleanup.c [iso-8859-1] Mon Dec 27
16:49:21 2010
@@ -221,7 +221,8 @@
Fcb->Condition == FcbGood)
{
/* Yes, a delayed one */
- SetFlag(Fcb->State, FCB_STATE_DELAY_CLOSE);
+ //SetFlag(Fcb->State, FCB_STATE_DELAY_CLOSE);
+ DPRINT1("Setting a delay on close for some reason for FCB %p, FF handle
%p, file name '%wZ'\n", Fcb, Fcb->FatHandle, &Fcb->FullFileName);
}
/* Unlock all file locks */
Modified: trunk/reactos/drivers/filesystems/fastfat_new/create.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filesystems/fastfa…
==============================================================================
--- trunk/reactos/drivers/filesystems/fastfat_new/create.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/filesystems/fastfat_new/create.c [iso-8859-1] Mon Dec 27
16:49:21 2010
@@ -522,7 +522,7 @@
NTSTATUS Status;
IO_STATUS_BLOCK Iosb;
PIO_STACK_LOCATION IrpSp;
- BOOLEAN EndBackslash = FALSE, OpenedAsDos;
+ BOOLEAN EndBackslash = FALSE, OpenedAsDos, FirstRun = TRUE;
UNICODE_STRING RemainingPart, FirstName, NextName, FileNameUpcased;
OEM_STRING AnsiFirstName;
FF_ERROR FfError;
@@ -592,6 +592,13 @@
if (RelatedFO)
FileObject->Vpb = RelatedFO->Vpb;
+ /* Reject open by id */
+ if (Options & FILE_OPEN_BY_FILE_ID)
+ {
+ FatCompleteRequest(IrpContext, Irp, STATUS_INVALID_PARAMETER);
+ return STATUS_INVALID_PARAMETER;
+ }
+
/* Prepare file attributes mask */
FileAttributes &= (FILE_ATTRIBUTE_READONLY |
FILE_ATTRIBUTE_HIDDEN |
@@ -652,12 +659,22 @@
DPRINT1("This volume is locked\n");
Status = STATUS_ACCESS_DENIED;
+ /* Set volume dismount status */
+ if (Vcb->Condition != VcbGood)
+ Status = STATUS_VOLUME_DISMOUNTED;
+
/* Cleanup and return */
FatReleaseVcb(IrpContext, Vcb);
+ FatCompleteRequest(IrpContext, Irp, Status);
return Status;
}
- // TODO: Check if the volume is write protected and disallow DELETE_ON_CLOSE
+ /* Check if the volume is write protected and disallow DELETE_ON_CLOSE */
+ if (DeleteOnClose & FlagOn(Vcb->State, VCB_STATE_FLAG_WRITE_PROTECTED))
+ {
+ ASSERT(FALSE);
+ return STATUS_NOT_IMPLEMENTED;
+ }
// TODO: Make sure EAs aren't supported on FAT32
@@ -716,18 +733,24 @@
{
DPRINT1("Invalid file object!\n");
+ Status = STATUS_OBJECT_PATH_NOT_FOUND;
+
/* Cleanup and return */
FatReleaseVcb(IrpContext, Vcb);
- return STATUS_OBJECT_PATH_NOT_FOUND;
+ FatCompleteRequest(IrpContext, Irp, Status);
+ return Status;
}
/* File path must be relative */
if (FileName.Length != 0 &&
FileName.Buffer[0] == L'\\')
{
+ Status = STATUS_OBJECT_NAME_INVALID;
+
/* The name is absolute, fail */
FatReleaseVcb(IrpContext, Vcb);
- return STATUS_OBJECT_NAME_INVALID;
+ FatCompleteRequest(IrpContext, Irp, Status);
+ return Status;
}
/* Make sure volume is the same */
@@ -751,18 +774,34 @@
if (NonDirectoryFile)
{
DPRINT1("Trying to open root dir as a file\n");
+ Status = STATUS_FILE_IS_A_DIRECTORY;
/* Cleanup and return */
FatReleaseVcb(IrpContext, Vcb);
- return STATUS_FILE_IS_A_DIRECTORY;
+ FatCompleteRequest(IrpContext, Irp, Status);
+ return Status;
+ }
+
+ /* Check for target directory on a root dir */
+ if (OpenTargetDirectory)
+ {
+ Status = STATUS_INVALID_PARAMETER;
+
+ /* Cleanup and return */
+ FatReleaseVcb(IrpContext, Vcb);
+ FatCompleteRequest(IrpContext, Irp, Status);
+ return Status;
}
/* Check delete on close on a root dir */
if (DeleteOnClose)
{
+ Status = STATUS_CANNOT_DELETE;
+
/* Cleanup and return */
FatReleaseVcb(IrpContext, Vcb);
- return STATUS_CANNOT_DELETE;
+ FatCompleteRequest(IrpContext, Irp, Status);
+ return Status;
}
/* Call root directory open routine */
@@ -777,6 +816,7 @@
/* Cleanup and return */
FatReleaseVcb(IrpContext, Vcb);
+ FatCompleteRequest(IrpContext, Irp, Iosb.Status);
return Iosb.Status;
}
else
@@ -908,6 +948,27 @@
{
ASSERT(FALSE);
}
+ }
+
+ /* Treat page file in a special way */
+ if (IsPagingFile)
+ {
+ UNIMPLEMENTED;
+ // FIXME: System file too
+ }
+
+ /* Make sure there is no pending delete on a higher-level FCB */
+ if (Fcb->State & FCB_STATE_DELETE_ON_CLOSE)
+ {
+ Iosb.Status = STATUS_DELETE_PENDING;
+
+ /* Cleanup and return */
+ FatReleaseVcb(IrpContext, Vcb);
+
+ /* Complete the request */
+ FatCompleteRequest(IrpContext, Irp, Iosb.Status);
+
+ return Iosb.Status;
}
/* We have a valid FCB now */
@@ -1038,23 +1099,34 @@
ParentDcb = Fcb;
while (TRUE)
{
- FsRtlDissectName(RemainingPart, &FirstName, &RemainingPart);
-
- /* Check for validity */
- if ((RemainingPart.Length && RemainingPart.Buffer[0] == L'\\')
||
- (NextName.Length > 255 * sizeof(WCHAR)))
- {
- /* The name is invalid */
- DPRINT1("Invalid name found\n");
- Iosb.Status = STATUS_OBJECT_NAME_INVALID;
- ASSERT(FALSE);
- }
-
- /* Convert the name to ANSI */
- AnsiFirstName.Buffer = ExAllocatePool(PagedPool, FirstName.Length);
- AnsiFirstName.Length = 0;
- AnsiFirstName.MaximumLength = FirstName.Length;
- Status = RtlUpcaseUnicodeStringToCountedOemString(&AnsiFirstName,
&FirstName, FALSE);
+ if (FirstRun)
+ {
+ RemainingPart = NextName;
+ if (AnsiFirstName.Length)
+ Status = STATUS_SUCCESS;
+ else
+ Status = STATUS_UNMAPPABLE_CHARACTER;
+ }
+ else
+ {
+ FsRtlDissectName(RemainingPart, &FirstName, &RemainingPart);
+
+ /* Check for validity */
+ if ((RemainingPart.Length && RemainingPart.Buffer[0] ==
L'\\') ||
+ (NextName.Length > 255 * sizeof(WCHAR)))
+ {
+ /* The name is invalid */
+ DPRINT1("Invalid name found\n");
+ Iosb.Status = STATUS_OBJECT_NAME_INVALID;
+ ASSERT(FALSE);
+ }
+
+ /* Convert the name to ANSI */
+ AnsiFirstName.Buffer = ExAllocatePool(PagedPool, FirstName.Length);
+ AnsiFirstName.Length = 0;
+ AnsiFirstName.MaximumLength = FirstName.Length;
+ Status = RtlUpcaseUnicodeStringToCountedOemString(&AnsiFirstName,
&FirstName, FALSE);
+ }
if (!NT_SUCCESS(Status))
{
@@ -1087,90 +1159,114 @@
}
/* Check, if path is a directory or a file */
- if (FfError == FF_ERR_FILE_OBJECT_IS_A_DIR)
- {
- if (NonDirectoryFile)
- {
- DPRINT1("Can't open dir as a file\n");
+ if (FfError == FF_ERR_FILE_OBJECT_IS_A_DIR ||
+ FfError == FF_ERR_NONE)
+ {
+ if (FfError == FF_ERR_FILE_OBJECT_IS_A_DIR)
+ {
+ if (NonDirectoryFile)
+ {
+ DPRINT1("Can't open dir as a file\n");
+
+ /* Unlock VCB */
+ FatReleaseVcb(IrpContext, Vcb);
+
+ /* Complete the request */
+ Iosb.Status = STATUS_FILE_IS_A_DIRECTORY;
+ FatCompleteRequest(IrpContext, Irp, Iosb.Status);
+ return Iosb.Status;
+ }
+
+ /* Open this directory */
+ Iosb = FatiOpenExistingDir(IrpContext,
+ FileObject,
+ Vcb,
+ ParentDcb,
+ DesiredAccess,
+ ShareAccess,
+ AllocationSize,
+ EaBuffer,
+ EaLength,
+ FileAttributes,
+ CreateDisposition,
+ DeleteOnClose);
+
+ Irp->IoStatus.Information = Iosb.Information;
/* Unlock VCB */
FatReleaseVcb(IrpContext, Vcb);
/* Complete the request */
- Iosb.Status = STATUS_FILE_IS_A_DIRECTORY;
FatCompleteRequest(IrpContext, Irp, Iosb.Status);
+
return Iosb.Status;
}
-
- /* Open this directory */
- Iosb = FatiOpenExistingDir(IrpContext,
- FileObject,
- Vcb,
- ParentDcb,
- DesiredAccess,
- ShareAccess,
- AllocationSize,
- EaBuffer,
- EaLength,
- FileAttributes,
- CreateDisposition,
- DeleteOnClose);
-
- Irp->IoStatus.Information = Iosb.Information;
-
- /* Unlock VCB */
- FatReleaseVcb(IrpContext, Vcb);
-
- /* Complete the request */
- FatCompleteRequest(IrpContext, Irp, Iosb.Status);
-
- return Iosb.Status;
- }
-
- /* If end backslash here, then it's definately not permitted,
- since we're opening files here */
- if (EndBackslash)
- {
- /* Unlock VCB */
- FatReleaseVcb(IrpContext, Vcb);
-
- /* Complete the request */
- Iosb.Status = STATUS_OBJECT_NAME_INVALID;
- FatCompleteRequest(IrpContext, Irp, Iosb.Status);
- return Iosb.Status;
- }
-
- /* Try to open the file */
- Iosb = FatiOpenExistingFile(IrpContext,
- FileObject,
- Vcb,
- ParentDcb,
- DesiredAccess,
- ShareAccess,
- AllocationSize,
- EaBuffer,
- EaLength,
- FileAttributes,
- CreateDisposition,
- FALSE,
- DeleteOnClose,
- OpenedAsDos);
-
- /* In case of success set cache supported flag */
- if (NT_SUCCESS(Iosb.Status) && !NoIntermediateBuffering)
- {
- SetFlag(FileObject->Flags, FO_CACHE_SUPPORTED);
- }
-
- Irp->IoStatus.Information = Iosb.Information;
-
- /* Unlock VCB */
- FatReleaseVcb(IrpContext, Vcb);
-
- /* Complete the request */
- FatCompleteRequest(IrpContext, Irp, Iosb.Status);
-
- return Iosb.Status;
+ else
+ {
+ /* This is opening an existing file */
+ if (OpenDirectory)
+ {
+ /* But caller wanted a dir */
+ Status = STATUS_NOT_A_DIRECTORY;
+
+ /* Unlock VCB */
+ FatReleaseVcb(IrpContext, Vcb);
+
+ /* Complete the request */
+ FatCompleteRequest(IrpContext, Irp, Status);
+
+ return Status;
+ }
+
+ /* If end backslash here, then it's definately not permitted,
+ since we're opening files here */
+ if (EndBackslash)
+ {
+ /* Unlock VCB */
+ FatReleaseVcb(IrpContext, Vcb);
+
+ /* Complete the request */
+ Iosb.Status = STATUS_OBJECT_NAME_INVALID;
+ FatCompleteRequest(IrpContext, Irp, Iosb.Status);
+ return Iosb.Status;
+ }
+
+ /* Try to open the file */
+ Iosb = FatiOpenExistingFile(IrpContext,
+ FileObject,
+ Vcb,
+ ParentDcb,
+ DesiredAccess,
+ ShareAccess,
+ AllocationSize,
+ EaBuffer,
+ EaLength,
+ FileAttributes,
+ CreateDisposition,
+ FALSE,
+ DeleteOnClose,
+ OpenedAsDos);
+
+ /* In case of success set cache supported flag */
+ if (NT_SUCCESS(Iosb.Status) && !NoIntermediateBuffering)
+ {
+ SetFlag(FileObject->Flags, FO_CACHE_SUPPORTED);
+ }
+
+ Irp->IoStatus.Information = Iosb.Information;
+
+ /* Unlock VCB */
+ FatReleaseVcb(IrpContext, Vcb);
+
+ /* Complete the request */
+ FatCompleteRequest(IrpContext, Irp, Iosb.Status);
+
+ return Iosb.Status;
+ }
+ }
+
+ /* We come here only in the case when a new file is created */
+ ASSERT(FALSE);
}
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