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nfs4: Do not remove RootInode too soon

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This commit is contained in:
Pawel Dziepak
2013-01-03 15:37:36 +01:00
parent e8ef557a56
commit d72bdcc88a
2 changed files with 16 additions and 4 deletions
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src/add-ons/kernel/file_systems/nfs4/VnodeToInode.cpp
+2 -1
View File
@@ -27,9 +27,10 @@ void
VnodeToInode::Replace(Inode* newInode) VnodeToInode::Replace(Inode* newInode)
{ {
WriteLocker _(fLock); WriteLocker _(fLock);
if (fInode != NULL) if (fInode != NULL && !IsRoot()) {
fInode->GetFileSystem()->InoIdMap()->MarkRemoved(fID); fInode->GetFileSystem()->InoIdMap()->MarkRemoved(fID);
delete fInode; delete fInode;
}
fInode = newInode; fInode = newInode;
if (fInode != NULL) { if (fInode != NULL) {
src/add-ons/kernel/file_systems/nfs4/VnodeToInode.h
+12 -1
View File
@@ -14,6 +14,7 @@
#include "Inode.h" #include "Inode.h"
#include "InodeIdMap.h" #include "InodeIdMap.h"
#include "RootInode.h"
class VnodeToInode { class VnodeToInode {
public: public:
@@ -31,6 +32,8 @@ public:
inline void Clear(); inline void Clear();
inline ino_t ID() const; inline ino_t ID() const;
inline bool IsRoot() const;
private: private:
ino_t fID; ino_t fID;
rw_lock fLock; rw_lock fLock;
@@ -70,7 +73,7 @@ inline
VnodeToInode::~VnodeToInode() VnodeToInode::~VnodeToInode()
{ {
Remove(); Remove();
if (fFileSystem != NULL) if (fFileSystem != NULL && !IsRoot())
fFileSystem->InoIdMap()->RemoveEntry(fID); fFileSystem->InoIdMap()->RemoveEntry(fID);
rw_lock_destroy(&fLock); rw_lock_destroy(&fLock);
} }
@@ -101,11 +104,19 @@ inline void
VnodeToInode::Clear() VnodeToInode::Clear()
{ {
WriteLocker _(fLock); WriteLocker _(fLock);
if (!IsRoot())
delete fInode; delete fInode;
fInode = NULL; fInode = NULL;
} }
inline bool
VnodeToInode::IsRoot() const
{
return fInode && fFileSystem && fInode->ID() == fFileSystem->Root()->ID();
}
inline Inode* inline Inode*
VnodeToInode::GetPointer() const VnodeToInode::GetPointer() const
{ {