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sys: FspFileNodeRename: acquire resource of descendant file nodes when renaming them

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This commit is contained in:
Bill Zissimopoulos
2016-10-14 22:47:10 -07:00
parent 5a5a1008de
commit 5773c6eab7
3 changed files with 51 additions and 4 deletions
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27
src/sys/driver.h
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@ -514,13 +514,13 @@ NTSTATUS FspNotifyFullReportChange(
#define FspNotifyCleanupAll(NS, NL)\
FsRtlNotifyCleanupAll(NS, NL)
#define FspNotifyChangeDirectory(NS, NL, FC, FN, WT, CF, I)\
FspNotifyFullChangeDirectory(NS, NL, FC, (PSTRING)FN, WT, FALSE, CF, I, 0, 0)
FspNotifyFullChangeDirectory(NS, NL, FC, (PSTRING)(FN), WT, FALSE, CF, I, 0, 0)
#define FspNotifyCleanup(NS, NL, FC)\
FsRtlNotifyCleanup(NS, NL, FC)
#define FspNotifyDeletePending(NS, NL, FC)\
FspNotifyFullChangeDirectory(NS, NL, FC, 0, 0, FALSE, 0, 0, 0, 0)
#define FspNotifyReportChange(NS, NL, FN, FO, SN, F, A)\
FspNotifyFullReportChange(NS, NL, (PSTRING)FN, FO, (PSTRING)SN, 0, F, A, 0)
#define FspNotifyReportChange(NS, NL, FN, FO, NP, F, A)\
FspNotifyFullReportChange(NS, NL, (PSTRING)(FN), FO, 0, (PSTRING)(NP), F, A, 0)
/* utility: synchronous work queue */
typedef struct
@ -1026,6 +1026,27 @@ VOID FspFileNodeConvertExclusiveToSharedF(FSP_FILE_NODE *FileNode, ULONG Flags);
VOID FspFileNodeSetOwnerF(FSP_FILE_NODE *FileNode, ULONG Flags, PVOID Owner);
VOID FspFileNodeReleaseF(FSP_FILE_NODE *FileNode, ULONG Flags);
VOID FspFileNodeReleaseOwnerF(FSP_FILE_NODE *FileNode, ULONG Flags, PVOID Owner);
static inline
VOID FspFileNodeAcquireSharedForeign(FSP_FILE_NODE *FileNode)
{
if (0 != FileNode->MainFileNode)
FileNode = FileNode->MainFileNode;
ExAcquireResourceSharedLite(FileNode->Header.Resource, TRUE);
}
static inline
VOID FspFileNodeAcquireExclusiveForeign(FSP_FILE_NODE *FileNode)
{
if (0 != FileNode->MainFileNode)
FileNode = FileNode->MainFileNode;
ExAcquireResourceExclusiveLite(FileNode->Header.Resource, TRUE);
}
static inline
VOID FspFileNodeReleaseForeign(FSP_FILE_NODE *FileNode)
{
if (0 != FileNode->MainFileNode)
FileNode = FileNode->MainFileNode;
ExReleaseResourceLite(FileNode->Header.Resource);
}
FSP_FILE_NODE *FspFileNodeOpen(FSP_FILE_NODE *FileNode, PFILE_OBJECT FileObject,
UINT32 GrantedAccess, UINT32 ShareAccess, NTSTATUS *PResult);
VOID FspFileNodeCleanup(FSP_FILE_NODE *FileNode, PFILE_OBJECT FileObject,