New upstream version 8.1.0
This commit is contained in:
geos_one
188
client_module/source/components/worker/RWPagesWork.c
Normal file
188
client_module/source/components/worker/RWPagesWork.c
Normal file
@@ -0,0 +1,188 @@
|
||||
#include <app/log/Logger.h>
|
||||
#include <app/App.h>
|
||||
#include <filesystem/FhgfsOpsPages.h>
|
||||
|
||||
#include "RWPagesWork.h"
|
||||
|
||||
#define RWPagesWorkQueue_SUB_NAME BEEGFS_MODULE_NAME_STR "-rwPgWQ" // read-pages-work-queue
|
||||
|
||||
static struct workqueue_struct* rwPagesWorkQueue = NULL;
|
||||
|
||||
|
||||
static void RWPagesWork_processQueue(RWPagesWork* this);
|
||||
static bool RWPagesWork_queue(RWPagesWork *this);
|
||||
|
||||
static FhgfsOpsErr _RWPagesWork_initReferenceFile(struct inode* inode, Fhgfs_RWType rwType,
|
||||
FileHandleType* outHandleType, RemotingIOInfo* outIOInfo);
|
||||
|
||||
bool RWPagesWork_initworkQueue(void)
|
||||
{
|
||||
rwPagesWorkQueue = create_workqueue(RWPagesWorkQueue_SUB_NAME);
|
||||
|
||||
return !!rwPagesWorkQueue;
|
||||
}
|
||||
|
||||
void RWPagesWork_destroyWorkQueue(void)
|
||||
{
|
||||
if (rwPagesWorkQueue)
|
||||
{
|
||||
flush_workqueue(rwPagesWorkQueue);
|
||||
destroy_workqueue(rwPagesWorkQueue);
|
||||
}
|
||||
}
|
||||
|
||||
void RWPagesWork_flushWorkQueue(void)
|
||||
{
|
||||
if (rwPagesWorkQueue)
|
||||
flush_workqueue(rwPagesWorkQueue);
|
||||
}
|
||||
|
||||
|
||||
bool RWPagesWork_queue(RWPagesWork *this)
|
||||
{
|
||||
return queue_work(rwPagesWorkQueue, &this->kernelWork);
|
||||
}
|
||||
|
||||
bool RWPagesWork_init(RWPagesWork* this, App* app, struct inode* inode,
|
||||
FhgfsChunkPageVec *pageVec, Fhgfs_RWType rwType)
|
||||
{
|
||||
FhgfsOpsErr referenceRes;
|
||||
|
||||
this->app = app;
|
||||
this->inode = inode;
|
||||
this->pageVec = pageVec;
|
||||
this->rwType = rwType;
|
||||
|
||||
referenceRes = _RWPagesWork_initReferenceFile(inode, rwType, &this->handleType, &this->ioInfo);
|
||||
|
||||
if (unlikely(referenceRes != FhgfsOpsErr_SUCCESS) )
|
||||
return false;
|
||||
|
||||
INIT_WORK(&this->kernelWork, RWPagesWork_process);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Init helper function to reference a file.
|
||||
*
|
||||
* Note: The file is already supposed to be referenced by the FhgfsOpsPages_readpages or
|
||||
* FhgfsOpsPages_writepages, so file referencing is not supposed to fail
|
||||
*/
|
||||
FhgfsOpsErr _RWPagesWork_initReferenceFile(struct inode* inode, Fhgfs_RWType rwType,
|
||||
FileHandleType* outHandleType, RemotingIOInfo* outIOInfo)
|
||||
{
|
||||
FhgfsOpsErr referenceRes;
|
||||
|
||||
FhgfsInode* fhgfsInode = BEEGFS_INODE(inode);
|
||||
int openFlags = (rwType == BEEGFS_RWTYPE_WRITE) ? OPENFILE_ACCESS_WRITE : OPENFILE_ACCESS_READ;
|
||||
|
||||
referenceRes = FhgfsInode_referenceHandle(fhgfsInode, NULL, openFlags, true, NULL,
|
||||
outHandleType, NULL);
|
||||
|
||||
if (unlikely(referenceRes != FhgfsOpsErr_SUCCESS) )
|
||||
{ // failure
|
||||
printk_fhgfs(KERN_INFO, "Bug: file not referenced");
|
||||
dump_stack();
|
||||
}
|
||||
else
|
||||
{ // success
|
||||
|
||||
//get the right openFlags (might have changed to OPENFILE_ACCESS_READWRITE)
|
||||
openFlags = FhgfsInode_handleTypeToOpenFlags(*outHandleType);
|
||||
|
||||
FhgfsInode_getRefIOInfo(fhgfsInode, *outHandleType, openFlags, outIOInfo);
|
||||
}
|
||||
|
||||
return referenceRes;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Process the work queue
|
||||
*/
|
||||
void RWPagesWork_process(struct work_struct* work)
|
||||
{
|
||||
RWPagesWork* thisCast = (RWPagesWork*)work;
|
||||
|
||||
RWPagesWork_processQueue(thisCast);
|
||||
}
|
||||
|
||||
/**
|
||||
* Needed for old INIT_WORK() with 3 parameters (before 2.6.20)
|
||||
*/
|
||||
void RWPagesWork_oldProcess(void* data)
|
||||
{
|
||||
struct work_struct* work = (struct work_struct*) data;
|
||||
|
||||
return RWPagesWork_process(work);
|
||||
}
|
||||
|
||||
/**
|
||||
* Build worker queues
|
||||
*/
|
||||
bool RWPagesWork_createQueue(App* app, FhgfsChunkPageVec* pageVec, struct inode* inode,
|
||||
Fhgfs_RWType rwType)
|
||||
{
|
||||
Logger* log = App_getLogger(app);
|
||||
const char* logContext = __func__;
|
||||
|
||||
bool retVal = true;
|
||||
|
||||
RWPagesWork* work;
|
||||
|
||||
work = RWPagesWork_construct(app, inode, pageVec, rwType);
|
||||
if (likely(work) )
|
||||
{
|
||||
bool queueRes;
|
||||
|
||||
queueRes = RWPagesWork_queue(work);
|
||||
if (!queueRes)
|
||||
{
|
||||
Logger_logErr(log, logContext, "RWPagesWork_construct failed.");
|
||||
|
||||
if (rwType == BEEGFS_RWTYPE_READ)
|
||||
FhgfsChunkPageVec_iterateAllHandleReadErr(pageVec);
|
||||
else
|
||||
FhgfsChunkPageVec_iterateAllHandleWritePages(pageVec, -EIO);
|
||||
|
||||
RWPagesWork_destruct(work);
|
||||
}
|
||||
}
|
||||
|
||||
if (unlikely(!work))
|
||||
{ // Creating the work-queue failed
|
||||
|
||||
Logger_logErr(log, logContext, "Failed to create work queue.");
|
||||
|
||||
retVal = false;
|
||||
}
|
||||
|
||||
return retVal;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Process a request from the queue
|
||||
*/
|
||||
void RWPagesWork_processQueue(RWPagesWork* this)
|
||||
{
|
||||
App* app = this->app;
|
||||
Logger* log = App_getLogger(app);
|
||||
|
||||
ssize_t rwRes;
|
||||
|
||||
rwRes = FhgfsOpsRemoting_rwChunkPageVec(this->pageVec, &this->ioInfo, this->rwType);
|
||||
|
||||
if (unlikely(rwRes < 0) )
|
||||
LOG_DEBUG_FORMATTED(log, 1, __func__, "error: %s", FhgfsOpsErr_toErrString(-rwRes) );
|
||||
else
|
||||
{
|
||||
LOG_DEBUG_FORMATTED(log, 5, __func__, "rwRes: %zu", rwRes );
|
||||
IGNORE_UNUSED_VARIABLE(log);
|
||||
}
|
||||
|
||||
RWPagesWork_destruct(this);
|
||||
}
|
||||
|
||||
|
||||
104
client_module/source/components/worker/RWPagesWork.h
Normal file
104
client_module/source/components/worker/RWPagesWork.h
Normal file
@@ -0,0 +1,104 @@
|
||||
#ifndef RWPAGESWORK_H_
|
||||
#define RWPAGESWORK_H_
|
||||
|
||||
#include <common/Common.h>
|
||||
#include <common/toolkit/SynchronizedCounter.h>
|
||||
#include <toolkit/FhgfsPage.h>
|
||||
#include <toolkit/FhgfsChunkPageVec.h>
|
||||
#include <net/filesystem/RemotingIOInfo.h>
|
||||
#include <filesystem/FhgfsInode.h>
|
||||
#include <filesystem/FhgfsOpsFile.h>
|
||||
#include <filesystem/FsFileInfo.h>
|
||||
#include <common/threading/AtomicInt.h>
|
||||
#include <net/filesystem/FhgfsOpsRemoting.h>
|
||||
|
||||
#include <linux/fs.h>
|
||||
|
||||
|
||||
struct RWPagesWork;
|
||||
typedef struct RWPagesWork RWPagesWork;
|
||||
|
||||
extern bool RWPagesWork_createQueue(App* app, FhgfsChunkPageVec* pageVec, struct inode* inode,
|
||||
Fhgfs_RWType rwType);
|
||||
|
||||
bool RWPagesWork_init(RWPagesWork* this, App* app, struct inode* inode,
|
||||
FhgfsChunkPageVec *pageVec, Fhgfs_RWType rwType);
|
||||
static inline RWPagesWork* RWPagesWork_construct(App* app, struct inode* inode,
|
||||
FhgfsChunkPageVec *pageVec, Fhgfs_RWType rwType);
|
||||
static inline void RWPagesWork_uninit(RWPagesWork* this);
|
||||
static inline void RWPagesWork_destruct(RWPagesWork* this);
|
||||
|
||||
extern bool RWPagesWork_initworkQueue(void);
|
||||
extern void RWPagesWork_destroyWorkQueue(void);
|
||||
extern void RWPagesWork_flushWorkQueue(void);
|
||||
|
||||
|
||||
// virtual functions
|
||||
extern void RWPagesWork_process(struct work_struct* work);
|
||||
extern void RWPagesWork_oldProcess(void* data);
|
||||
|
||||
struct RWPagesWork
|
||||
{
|
||||
struct work_struct kernelWork;
|
||||
|
||||
App* app;
|
||||
|
||||
FhgfsChunkPageVec* pageVec;
|
||||
|
||||
RemotingIOInfo ioInfo;
|
||||
|
||||
FileHandleType handleType;
|
||||
Fhgfs_RWType rwType;
|
||||
|
||||
struct inode* inode;
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* RWPagesWork Constructor
|
||||
*/
|
||||
struct RWPagesWork* RWPagesWork_construct(App* app, struct inode* inode,
|
||||
FhgfsChunkPageVec * pageVec, Fhgfs_RWType rwType)
|
||||
{
|
||||
bool initRes;
|
||||
|
||||
struct RWPagesWork* this = (RWPagesWork*)os_kmalloc(sizeof(*this) );
|
||||
if (unlikely(!this) )
|
||||
return NULL;
|
||||
|
||||
initRes = RWPagesWork_init(this, app, inode, pageVec, rwType);
|
||||
|
||||
if (unlikely(!initRes) )
|
||||
{ // uninitilize everything that already has been initialized and free this
|
||||
|
||||
if (rwType == BEEGFS_RWTYPE_READ)
|
||||
FhgfsChunkPageVec_iterateAllHandleReadErr(pageVec);
|
||||
else
|
||||
FhgfsChunkPageVec_iterateAllHandleWritePages(pageVec, -EIO);
|
||||
|
||||
RWPagesWork_destruct(this);
|
||||
this = NULL;
|
||||
}
|
||||
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Unitinialize worker data
|
||||
*/
|
||||
void RWPagesWork_uninit(RWPagesWork* this)
|
||||
{
|
||||
FhgfsInode* fhgfsInode = BEEGFS_INODE(this->inode);
|
||||
|
||||
FhgfsChunkPageVec_destroy(this->pageVec);
|
||||
|
||||
FhgfsInode_releaseHandle(fhgfsInode, this->handleType, NULL);
|
||||
}
|
||||
|
||||
void RWPagesWork_destruct(RWPagesWork* this)
|
||||
{
|
||||
RWPagesWork_uninit(this);
|
||||
kfree(this);
|
||||
}
|
||||
|
||||
#endif /* RWPAGESWORK_H_ */
|
||||
Reference in New Issue
Block a user