示例#1
0
int
irodsGetattr( const char *path, struct stat *stbuf ) {
    int status;
    iFuseConn_t *iFuseConn = NULL;

    iFuseConn = getAndUseConnByPath( ( char * ) path, &MyRodsEnv, &status );
    status = _irodsGetattr( iFuseConn, path, stbuf );
    unuseIFuseConn( iFuseConn );
    return ( status );
}
示例#2
0
int _ifuseFileCacheRead( fileCache_t *fileCache, char *buf, size_t size, off_t offset ) {
    int status, myError;

    status = _iFuseFileCacheLseek( fileCache, offset );
    if ( status < 0 ) {
        if ( ( myError = getErrno( status ) ) > 0 ) {
            return -myError;
        }
        else {
            return -ENOENT;
        }
    }

    if ( fileCache->state == NO_FILE_CACHE ) {
        iFuseConn_t *conn;
        openedDataObjInp_t dataObjReadInp;
        bytesBuf_t dataObjReadOutBBuf;
        int myError;


        bzero( &dataObjReadInp, sizeof( dataObjReadInp ) );
        dataObjReadOutBBuf.buf = buf;
        dataObjReadOutBBuf.len = size;
        dataObjReadInp.l1descInx = fileCache->iFd;
        dataObjReadInp.len = size;
        //UNLOCK_STRUCT(*fileCache);
        conn = getAndUseConnByPath( fileCache->localPath, &status );
        //LOCK_STRUCT(*fileCache);
        status = rcDataObjRead( conn->conn,
                                &dataObjReadInp, &dataObjReadOutBBuf );
        unuseIFuseConn( conn );
        if ( status < 0 ) {
            if ( ( myError = getErrno( status ) ) > 0 ) {
                return -myError;
            }
            else {
                return -ENOENT;
            }
        }
    }
    else {
        status = read( fileCache->iFd, buf, size );

        if ( status < 0 ) {
            return errno ? ( -1 * errno ) : -1;
        }
    }
    fileCache->offset += status;

    return status;
}
示例#3
0
/* close any open files inside the file cache */
int ifuseFileCacheClose( fileCache_t *fileCache ) {
    int status = 0;
    LOCK_STRUCT( *fileCache );
    if ( fileCache->state == NO_FILE_CACHE ) {
        /* close remote file */
        //UNLOCK_STRUCT( *fileCache );
        iFuseConn_t *conn = getAndUseConnByPath( fileCache->localPath, &status );
        //LOCK_STRUCT( *fileCache );
        status = closeIrodsFd( conn->conn, fileCache->iFd );
        unuseIFuseConn( conn );
        fileCache->offset = 0;
    }
    else {
        /* close local file */
        status = close( fileCache->iFd );
        fileCache->iFd = 0;
        fileCache->offset = 0;
    }
    UNLOCK_STRUCT( *fileCache );
    return status;
}
示例#4
0
int _iFuseFileCacheLseek( fileCache_t *fileCache, off_t offset ) {

    int status;
    if ( offset == fileCache->offset ) {
        return 0;
    }
    if ( fileCache->state == NO_FILE_CACHE ) {
        iFuseConn_t *conn = getAndUseConnByPath( fileCache->localPath, &status );
        openedDataObjInp_t dataObjLseekInp;
        fileLseekOut_t *dataObjLseekOut = NULL;

        bzero( &dataObjLseekInp, sizeof( dataObjLseekInp ) );
        dataObjLseekInp.l1descInx = fileCache->iFd;
        dataObjLseekInp.offset = offset;
        dataObjLseekInp.whence = SEEK_SET;

        status = rcDataObjLseek( conn->conn, &dataObjLseekInp, &dataObjLseekOut );
        unuseIFuseConn( conn );
        if ( dataObjLseekOut != NULL ) {
            free( dataObjLseekOut );
        }

    }
    else {
        rodsLong_t lstatus;
        lstatus = lseek( fileCache->iFd, offset, SEEK_SET );
        if ( lstatus >= 0 ) {
            status = 0;
        }
        else {
            status = lstatus;
        }
    }
    fileCache->offset = offset;

    return status;
}
示例#5
0
int _iFuseFileCacheFlush( fileCache_t *fileCache ) {
    int status = 0;
    int objFd;
    /* simply return if no file cache or the file cache hasn't been updated */
    if ( fileCache->state != HAVE_NEWLY_CREATED_CACHE ) {
        //UNLOCK_STRUCT( *fileCache );
        return 0;
    }

    /* no need to flush cache file as we are using low-level io */
    /*status = fsync (fileCache->iFd);
    if (status < 0) {
    	status = (errno ? (-1 * errno) : -1);
    	rodsLog (LOG_ERROR,
    			"ifuseFlush: flush of cache file for %s error, status = %d",
    			fileCache->localPath, status);
    	return -EBADF;
    }*/

    struct stat stbuf;
    int error_code = stat( fileCache->fileCachePath, &stbuf );
    if ( error_code != 0 ) {
        rodsLog( LOG_ERROR, "stat failed in _iFuseFileCacheFlush with status %d", error_code );
    }
    /* put cache file to server */
    //UNLOCK_STRUCT( *fileCache );
    iFuseConn_t *conn = getAndUseConnByPath( fileCache->localPath, &status );
    //LOCK_STRUCT( *fileCache );

    RECONNECT_IF_NECESSARY( status, conn, ifusePut( conn->conn, fileCache->objPath, fileCache->fileCachePath, fileCache->mode, stbuf.st_size ) );
    unuseIFuseConn( conn );

    if ( status < 0 ) {
        rodsLog( LOG_ERROR,
                 "ifuseClose: ifusePut of %s error, status = %d",
                 fileCache->localPath, status );
        status = -EBADF;
        return status;
    }

    objFd = status;

    if ( stbuf.st_size > MAX_READ_CACHE_SIZE ) {
        /* too big to keep */
        /* close cache file */
        status = close( fileCache->iFd );
        if ( status < 0 ) {
            status = ( errno ? ( -1 * errno ) : -1 );
            rodsLog( LOG_ERROR,
                     "ifuseClose: close of cache file for %s error, status = %d",
                     fileCache->localPath, status );
            return -EBADF;
        }
        fileCache->iFd = objFd;
        fileCache->state = NO_FILE_CACHE;
        fileCache->offset = 0;
        status = objFd;
    }
    else {
        fileCache->state = HAVE_READ_CACHE;
    }

    return status;
}
示例#6
0
int _ifuseFileCacheWrite( fileCache_t *fileCache, char *buf, size_t size, off_t offset ) {
    int status, myError;
    openedDataObjInp_t dataObjWriteInp;
    bytesBuf_t dataObjWriteInpBBuf;
    iFuseConn_t *conn;

    bzero( &dataObjWriteInp, sizeof( dataObjWriteInp ) );
    /* lseek to the right offset in case this cache is share by multiple descs */
    status = _iFuseFileCacheLseek( fileCache, offset );
    if ( status < 0 ) {
        if ( ( myError = getErrno( status ) ) > 0 ) {
            return -myError;
        }
        else {
            return -ENOENT;
        }
    }


    if ( fileCache->state == NO_FILE_CACHE ) {
        /* no file cache */
        dataObjWriteInpBBuf.buf = ( void * ) buf;
        dataObjWriteInpBBuf.len = size;
        dataObjWriteInp.l1descInx = fileCache->iFd;
        dataObjWriteInp.len = size;

        conn = getAndUseConnByPath( fileCache->localPath, &status );
        status = rcDataObjWrite( conn->conn, &dataObjWriteInp, &dataObjWriteInpBBuf );
        unuseIFuseConn( conn );
        if ( status < 0 ) {
            if ( ( myError = getErrno( status ) ) > 0 ) {
                return -myError;
            }
            else {
                return -ENOENT;
            }
        }
        else if ( status != ( int ) size ) {
            rodsLog( LOG_ERROR,
                     "ifuseWrite: IFuseDesc[descInx].conn for %s is NULL", fileCache->localPath );
            return -ENOENT;
        }
        fileCache->offset += status;
        if ( fileCache->offset > fileCache->fileSize ) {
            fileCache->fileSize = fileCache->offset;
        }
    }
    else {
        status = write( fileCache->iFd, buf, size );
        if ( status < 0 ) {
            return errno ? ( -1 * errno ) : -1;
        }
        fileCache->offset += status;
        if ( fileCache->offset > fileCache->fileSize ) {
            fileCache->fileSize = fileCache->offset;
        }
        if ( fileCache->offset >= MAX_NEWLY_CREATED_CACHE_SIZE ) {
            _iFuseFileCacheFlush( fileCache );
            fileCache->iFd = 0;
            /* reopen file */
            dataObjInp_t dataObjOpenInp;
            memset( &dataObjOpenInp, 0, sizeof( dataObjOpenInp ) );
            rstrcpy( dataObjOpenInp.objPath, fileCache->objPath, MAX_NAME_LEN );
            dataObjOpenInp.openFlags = O_RDWR;

            int status;
            conn = getAndUseConnByPath( fileCache->localPath, &status );
            status = rcDataObjOpen( conn->conn, &dataObjOpenInp );
            unuseIFuseConn( conn );

            if ( status < 0 ) {
                rodsLog( LOG_ERROR, "iFuseWrite: rcDataObjOpen of %s error. status = %d", fileCache->objPath, status );
                return -ENOENT;
            }

            fileCache->iFd = status;
        }
    }
    return status;
}
示例#7
0
int
irodsOpen (const char *path, struct fuse_file_info *fi)
{
    dataObjInp_t dataObjInp;
    int status;
    int fd;
    iFuseConn_t *iFuseConn = NULL;
    iFuseDesc_t *desc = NULL;
    pathCache_t *tmpPathCache = NULL;
    struct stat stbuf;
    char cachePath[MAX_NAME_LEN];
    char objPath[MAX_NAME_LEN];
    int flags = fi->flags;

    rodsLog (LOG_DEBUG, "irodsOpen: %s, flags = %d", path, fi->flags);

    matchAndLockPathCache((char *) path, &tmpPathCache);
    if(tmpPathCache!= NULL) {
        if(tmpPathCache->fileCache != NULL) {
            LOCK_STRUCT(*(tmpPathCache->fileCache));
            if (tmpPathCache->fileCache->state != NO_FILE_CACHE) {
                rodsLog (LOG_DEBUG, "irodsOpen: a match for %s", path);
                desc = newIFuseDesc(tmpPathCache->fileCache->objPath, (char *) path, tmpPathCache->fileCache, &status);
                if (status < 0) {
                    UNLOCK_STRUCT(*(tmpPathCache->fileCache));
                    UNLOCK_STRUCT(*tmpPathCache);
                    rodsLogError (LOG_ERROR, status, "irodsOpen: create descriptor of %s error", dataObjInp.objPath);
                    return status;
                }
                fi->fh = desc->index;
                if(tmpPathCache->fileCache->iFd == 0) {
                    tmpPathCache->fileCache->iFd = open(tmpPathCache->fileCache->fileCachePath, O_RDWR);
                }
                UNLOCK_STRUCT(*(tmpPathCache->fileCache));
                UNLOCK_STRUCT(*tmpPathCache);
                return (0);
            }
            UNLOCK_STRUCT(*(tmpPathCache->fileCache));
        }
        UNLOCK_STRUCT(*tmpPathCache);
    }

    memset (&dataObjInp, 0, sizeof (dataObjInp));
    dataObjInp.openFlags = flags;

    status = parseRodsPathStr ((char *) (path + 1) , &MyRodsEnv, objPath);
    rstrcpy(dataObjInp.objPath, objPath, MAX_NAME_LEN);
    if (status < 0) {
        rodsLogError (LOG_ERROR, status, "irodsOpen: parseRodsPathStr of %s error", path);
        /* use ENOTDIR for this type of error */
        return -ENOTDIR;
    }

    iFuseConn = getAndUseConnByPath((char *) path, &MyRodsEnv, &status);
    /* status = getAndUseIFuseConn(&iFuseConn, &MyRodsEnv); */
    if(status < 0) {
        rodsLogError (LOG_ERROR, status, "irodsOpen: cannot get connection for %s error", path);
        /* use ENOTDIR for this type of error */
        return -ENOTDIR;
    }

    /* do only O_RDONLY (0) */
    status = _irodsGetattr (iFuseConn, path, &stbuf);
    if ((flags & (O_WRONLY | O_RDWR)) != 0 || status < 0 || stbuf.st_size > MAX_READ_CACHE_SIZE) {
        fd = rcDataObjOpen (iFuseConn->conn, &dataObjInp);
        unuseIFuseConn (iFuseConn);

        if (fd < 0) {
            rodsLogError (LOG_ERROR, status, "irodsOpen: rcDataObjOpen of %s error, status = %d", path, fd);
            return -ENOENT;
        }

        fileCache_t *fileCache = addFileCache(fd, objPath, (char *) path, NULL, stbuf.st_mode, stbuf.st_size, NO_FILE_CACHE);
        matchAndLockPathCache((char *) path, &tmpPathCache);
        if(tmpPathCache == NULL) {
            pathExist((char *) path, fileCache, &stbuf, NULL);
        } else {
            _addFileCacheForPath(tmpPathCache, fileCache);
            UNLOCK_STRUCT(*tmpPathCache);
        }
        desc = newIFuseDesc (objPath, (char *) path, fileCache, &status);
        if (desc == NULL) {
            rodsLogError (LOG_ERROR, status, "irodsOpen: allocIFuseDesc of %s error", path);
            return -ENOENT;
        }
    } else {
        rodsLog (LOG_DEBUG, "irodsOpenWithReadCache: caching %s", path);
        if ((status = getFileCachePath (path, cachePath)) < 0) {
            unuseIFuseConn(iFuseConn);
            return status;
        }
        /* get the file to local cache */
        dataObjInp.dataSize = stbuf.st_size;

        status = rcDataObjGet (iFuseConn->conn, &dataObjInp, cachePath);
        unuseIFuseConn(iFuseConn);

        if (status < 0) {
            rodsLogError (LOG_ERROR, status, "irodsOpenWithReadCache: rcDataObjGet of %s error", dataObjInp.objPath);
            return status;
        }

        int fd = open(cachePath, O_RDWR);

        fileCache_t *fileCache = addFileCache(fd, objPath, (char *) path, cachePath, stbuf.st_mode, stbuf.st_size, HAVE_READ_CACHE);
        matchAndLockPathCache((char *) path, &tmpPathCache);
        if(tmpPathCache == NULL) {
            pathExist((char *) path, fileCache, &stbuf, NULL);
        } else {
            _addFileCacheForPath(tmpPathCache, fileCache);
            UNLOCK_STRUCT(*tmpPathCache);
        }
        desc = newIFuseDesc(objPath, (char *) path,fileCache, &status);
        if (status < 0) {
            rodsLogError (LOG_ERROR, status, "irodsOpen: create descriptor of %s error", dataObjInp.objPath);
            return status;
        }
    }

    fi->fh = desc->index;

    return (0);
}
示例#8
0
int
irodsSymlink (const char *to, const char *from)
{
    int status;
    iFuseConn_t *iFuseConn = NULL;
    int l1descInx;
    dataObjInp_t dataObjOpenInp;
    openedDataObjInp_t dataObjWriteInp;
    bytesBuf_t dataObjWriteOutBBuf;
    char collPath[MAX_NAME_LEN];
    struct stat stbuf;

    rodsLog (LOG_DEBUG, "irodsSymlink: %s to %s", from, to);

    status = parseRodsPathStr ((char *) (from + 1), &MyRodsEnv, collPath);
    if (status < 0) {
        rodsLogError (LOG_ERROR, status,
                      "irodsReaddir: parseRodsPathStr of %s error", from);
        /* use ENOTDIR for this type of error */
        return -ENOTDIR;
    }

    iFuseConn = getAndUseConnByPath ((char *) from, &MyRodsEnv, &status);
    status = _irodsGetattr(iFuseConn, (char *) from, &stbuf);

    memset (&dataObjOpenInp, 0, sizeof (dataObjOpenInp));
    rstrcpy (dataObjOpenInp.objPath, collPath, MAX_NAME_LEN);
    if(status != -ENOENT) {
        if (status < 0) {
            return status;
        }
        dataObjOpenInp.dataSize = 0;

        status = rcDataObjTruncate(iFuseConn->conn, &dataObjOpenInp);

        if (status < 0) {
            rodsLog (LOG_ERROR, "irodsReadlink: rcDataObjTruncate of %s error. status = %d", collPath, status);
            unuseIFuseConn (iFuseConn);
            return -ENOENT;
        }
    }

    memset (&dataObjOpenInp, 0, sizeof (dataObjOpenInp));
    rstrcpy (dataObjOpenInp.objPath, collPath, MAX_NAME_LEN);
    dataObjOpenInp.openFlags = O_WRONLY | O_CREAT;
    dataObjOpenInp.createMode = S_IFLNK;

    status = rcDataObjOpen (iFuseConn->conn, &dataObjOpenInp);

    if (status < 0) {
        rodsLog (LOG_ERROR, "irodsSymlink: rcDataObjOpen of %s error. status = %d", collPath, status);
        unuseIFuseConn (iFuseConn);
        return -ENOENT;
    }

    l1descInx = status;

    memset(&dataObjWriteInp, 0, sizeof (dataObjWriteInp));
    memset(&dataObjWriteOutBBuf, 0, sizeof (bytesBuf_t));

    dataObjWriteInp.l1descInx = l1descInx;
    dataObjWriteInp.len = strlen(to);

    dataObjWriteOutBBuf.len = strlen(to);
    dataObjWriteOutBBuf.buf = strdup(to);

    status = rcDataObjWrite (iFuseConn->conn, &dataObjWriteInp, &dataObjWriteOutBBuf);
    free(dataObjWriteOutBBuf.buf);

    if (status < 0) {
        rodsLog (LOG_ERROR, "irodsSymlink: rcDataObjWrite of %s error. status = %d", collPath, status);
        unuseIFuseConn (iFuseConn);
        return -ENOENT;
    }

    rcDataObjClose(iFuseConn->conn, &dataObjWriteInp);
    unuseIFuseConn (iFuseConn);

    return (0);
}
示例#9
0
int
irodsReaddir (const char *path, void *buf, fuse_fill_dir_t filler,
              off_t offset, struct fuse_file_info *fi)
{
    char collPath[MAX_NAME_LEN];
    collHandle_t collHandle;
    collEnt_t collEnt;
    int status;
#ifdef CACHE_FUSE_PATH
    struct stat stbuf;
    pathCache_t *tmpPathCache;
#endif
    /* don't know why we need this. the example have them */
    (void) offset;
    (void) fi;
    iFuseConn_t *iFuseConn = NULL;

    rodsLog (LOG_DEBUG, "irodsReaddir: %s", path);

    filler(buf, ".", NULL, 0);
    filler(buf, "..", NULL, 0);

    status = parseRodsPathStr ((char *) (path + 1), &MyRodsEnv, collPath);
    if (status < 0) {
        rodsLogError (LOG_ERROR, status,
                      "irodsReaddir: parseRodsPathStr of %s error", path);
        /* use ENOTDIR for this type of error */
        return -ENOTDIR;
    }

    iFuseConn = getAndUseConnByPath ((char *) path, &MyRodsEnv, &status);
    status = rclOpenCollection (iFuseConn->conn, collPath, 0, &collHandle);

    if (status < 0) {
        if (isReadMsgError (status)) {
            ifuseReconnect (iFuseConn);
            status = rclOpenCollection (iFuseConn->conn, collPath, 0,
                                        &collHandle);
        }
        if (status < 0) {
            rodsLog (LOG_ERROR,
                     "irodsReaddir: rclOpenCollection of %s error. status = %d",
                     collPath, status);
            unuseIFuseConn (iFuseConn);
            return -ENOENT;
        }
    }
    while ((status = rclReadCollection (iFuseConn->conn, &collHandle, &collEnt))
            >= 0) {
        char myDir[MAX_NAME_LEN], mySubDir[MAX_NAME_LEN];
#ifdef CACHE_FUSE_PATH
        char childPath[MAX_NAME_LEN];

        bzero (&stbuf, sizeof (struct stat));
#endif
        if (collEnt.objType == DATA_OBJ_T) {
            filler (buf, collEnt.dataName, NULL, 0);
#ifdef CACHE_FUSE_PATH
            if (strcmp (path, "/") == 0) {
                snprintf (childPath, MAX_NAME_LEN, "/%s", collEnt.dataName);
            } else {
                snprintf (childPath, MAX_NAME_LEN, "%s/%s",
                          path, collEnt.dataName);
            }
            if (lookupPathExist ((char *) childPath, &tmpPathCache) != 1) {
                fillFileStat (&stbuf, collEnt.dataMode, collEnt.dataSize,
                              atoi (collEnt.createTime), atoi (collEnt.modifyTime),
                              atoi (collEnt.modifyTime));
                pathExist (childPath, NULL, &stbuf, &tmpPathCache);
            }
#endif
        } else if (collEnt.objType == COLL_OBJ_T) {
            splitPathByKey (collEnt.collName, myDir, mySubDir, '/');
            if(mySubDir[0] != '\0') {
                filler (buf, mySubDir, NULL, 0);
#ifdef CACHE_FUSE_PATH
                if (strcmp (path, "/") == 0) {
                    snprintf (childPath, MAX_NAME_LEN, "/%s", mySubDir);
                } else {
                    snprintf (childPath, MAX_NAME_LEN, "%s/%s", path, mySubDir);
                }
                if (lookupPathExist ((char *) childPath, &tmpPathCache) != 1) {
                    fillDirStat (&stbuf,
                                 atoi (collEnt.createTime), atoi (collEnt.modifyTime),
                                 atoi (collEnt.modifyTime));
                    pathExist (childPath, NULL, &stbuf, &tmpPathCache);
                }
#endif
            }
        }
    }
    rclCloseCollection (&collHandle);
    unuseIFuseConn (iFuseConn);

    return (0);
}
示例#10
0
int
irodsReadlink (const char *path, char *buf, size_t size)
{
    int status;
    iFuseConn_t *iFuseConn = NULL;
    int l1descInx;
    dataObjInp_t dataObjOpenInp;
    openedDataObjInp_t dataObjReadInp;
    bytesBuf_t dataObjReadOutBBuf;
    char collPath[MAX_NAME_LEN];

    rodsLog (LOG_DEBUG, "irodsReadlink: %s", path);

    status = parseRodsPathStr ((char *) (path + 1), &MyRodsEnv, collPath);
    if (status < 0) {
        rodsLogError (LOG_ERROR, status,
                      "irodsReaddir: parseRodsPathStr of %s error", path);
        /* use ENOTDIR for this type of error */
        return -ENOTDIR;
    }

    iFuseConn = getAndUseConnByPath ((char *) path, &MyRodsEnv, &status);

    memset (&dataObjOpenInp, 0, sizeof (dataObjOpenInp));

    rstrcpy (dataObjOpenInp.objPath, collPath, MAX_NAME_LEN);
    dataObjOpenInp.openFlags = O_RDONLY;

    status = rcDataObjOpen (iFuseConn->conn, &dataObjOpenInp);

    if (status < 0) {
        if (isReadMsgError (status)) {
            ifuseReconnect (iFuseConn);
            status = rcDataObjOpen (iFuseConn->conn, &dataObjOpenInp);
        }
        if (status < 0) {
            rodsLog (LOG_ERROR,
                     "irodsReadlink: rcDataObjOpen of %s error. status = %d", collPath, status);
            unuseIFuseConn (iFuseConn);
            return -ENOENT;
        }
    }

    l1descInx = status;

    memset(&dataObjReadInp, 0, sizeof (dataObjReadInp));
    memset(&dataObjReadOutBBuf, 0, sizeof (bytesBuf_t));

    dataObjReadInp.l1descInx = l1descInx;
    dataObjReadInp.len = size - 1;
    status = rcDataObjRead(iFuseConn->conn, &dataObjReadInp, &dataObjReadOutBBuf);

    if (status < 0) {
        rodsLog (LOG_ERROR, "irodsReadlink: rcDataObjRead of %s error. status = %d", collPath, status);
        unuseIFuseConn (iFuseConn);
        return -ENOENT;
    }

    memcpy(buf, dataObjReadOutBBuf.buf, status);
    buf[status] = '\0';
    rcDataObjClose(iFuseConn->conn, &dataObjReadInp);
    unuseIFuseConn (iFuseConn);

    return (0);
}
/**************************************************************************
 * private functions
 **************************************************************************/
static int
_commitLocalBuffer(const char *iRODSPath, struct fuse_file_info *fi, lazyUploadFileInfo_t *lazyUploadFileInfo) {
    int status;
    int desc;
    char bufferPath[MAX_NAME_LEN];
    int descInx;

    status = _getBufferPath(iRODSPath, bufferPath);
    if(status < 0) {
        rodsLog (LOG_DEBUG, "_upload: failed to get Buffered lazy upload file path - %s", iRODSPath);
        return status;
    }

    // close local buffer file handle
    if(lazyUploadFileInfo->localHandle < 0) {
        rodsLog (LOG_DEBUG, "_commitLocalBuffer: wrong file descriptor - %s, %d", iRODSPath, lazyUploadFileInfo->localHandle);
        return -EBADF;
    }

    // no write but requested flush
    if(lazyUploadFileInfo->curOffset == 0) {
        return 0;
    }

    fsync(lazyUploadFileInfo->localHandle);
    close(lazyUploadFileInfo->localHandle);
    lazyUploadFileInfo->localHandle = -1;

    rodsLog (LOG_DEBUG, "_commitLocalBuffer: upload - %s", iRODSPath);
    
    if(lazyUploadFileInfo->commitCount == 0) {
        // put and reopen iRODS file
        dataObjInp_t dataObjInp;
        int fd;
        pathCache_t *tmpPathCache = NULL;
        iFuseConn_t *iFuseConn = NULL;
        iFuseDesc_t *desc = NULL;
        struct stat stbuf;
        char objPath[MAX_NAME_LEN];

        descInx = GET_IFUSE_DESC_INDEX(fi);

        rodsLog (LOG_DEBUG, "_commitLocalBuffer: closing existing iRODS file handle - %s - %d", iRODSPath, descInx);

        status = ifuseClose (&IFuseDesc[descInx]);
        if (status < 0) {
            int myError;
            if ((myError = getErrno (status)) > 0) {
                return (-myError);
            } else {
                return -ENOENT;
            }
        }

        // put
        rodsLog (LOG_DEBUG, "_commitLocalBuffer: uploading buffered file - %s", iRODSPath);

        status = _upload(iRODSPath);
        if(status != 0) {
            rodsLog (LOG_DEBUG, "_commitLocalBuffer: upload error - %s, %d", iRODSPath, status);
            return status;
        }

        // reopen file
        rodsLog (LOG_DEBUG, "_commitLocalBuffer: reopening iRODS file handle - %s", iRODSPath);

        memset (&dataObjInp, 0, sizeof (dataObjInp));
        //dataObjInp.openFlags = lazyUploadFileInfo->accmode;
        dataObjInp.openFlags = O_RDWR | O_APPEND;

        status = parseRodsPathStr ((char *) iRODSPath, LazyUploadRodsEnv, objPath);
        rstrcpy(dataObjInp.objPath, objPath, MAX_NAME_LEN);
        if (status < 0) {
            rodsLogError (LOG_ERROR, status, "_commitLocalBuffer: parseRodsPathStr of %s error", iRODSPath);
            /* use ENOTDIR for this type of error */
            return -ENOTDIR;
        }

        iFuseConn = getAndUseConnByPath((char *) iRODSPath, &status);
        /* status = getAndUseIFuseConn(&iFuseConn); */
        if(status < 0) {
            rodsLogError (LOG_ERROR, status, "_commitLocalBuffer: cannot get connection for %s error", iRODSPath);
            /* use ENOTDIR for this type of error */
            return -ENOTDIR;
        }

        status = _irodsGetattr (iFuseConn, iRODSPath, &stbuf);

        fd = rcDataObjOpen (iFuseConn->conn, &dataObjInp);
        unuseIFuseConn (iFuseConn);

        if (fd < 0) {
            rodsLogError (LOG_ERROR, status, "_commitLocalBuffer: rcDataObjOpen of %s error, status = %d", iRODSPath, fd);
            return -ENOENT;
        }

		fileCache_t *fileCache = addFileCache(fd, objPath, (char *) iRODSPath, NULL, stbuf.st_mode, stbuf.st_size, NO_FILE_CACHE);
        matchAndLockPathCache(pctable, (char *) iRODSPath, &tmpPathCache);
        if(tmpPathCache == NULL) {
            pathExist(pctable, (char *) iRODSPath, fileCache, &stbuf, NULL);
        } else {
			_addFileCacheForPath(tmpPathCache, fileCache);
            UNLOCK_STRUCT(*tmpPathCache);
        }

        desc = newIFuseDesc (objPath, (char *) iRODSPath, fileCache, &status);
        if (desc == NULL) {
            rodsLogError (LOG_ERROR, status, "_commitLocalBuffer: allocIFuseDesc of %s error", iRODSPath);
            return -ENOENT;
        }

        SET_IFUSE_DESC_INDEX(fi, desc->index);
        rodsLog (LOG_DEBUG, "_commitLocalBuffer: created new file handle - %s - %d", iRODSPath, desc->index);

    } else {
        // append
        int localDesc = open (bufferPath, O_RDONLY, 0755);
        char *buffer = (char*)malloc(FUSE_LAZY_UPLOAD_MEM_BUFFER_SIZE);
        int grandTotalReadLen = 0;

        if(localDesc < 0) {
            rodsLog (LOG_DEBUG, "_commitLocalBuffer: file descriptor error - %s, %d", iRODSPath, localDesc);
            return -ENOENT;
        }

        descInx = GET_IFUSE_DESC_INDEX(fi);

        if (checkFuseDesc (descInx) < 0) {
            return -EBADF;
        }

        status = 0;
        while(grandTotalReadLen < lazyUploadFileInfo->curOffset) {
            int totalReadLen = 0;
            int totalWriteLen = 0;

            while(totalReadLen < FUSE_LAZY_UPLOAD_MEM_BUFFER_SIZE) {
                int readLen = read(localDesc, buffer + totalReadLen, FUSE_LAZY_UPLOAD_MEM_BUFFER_SIZE - totalReadLen);
                if(readLen > 0) {
                    totalReadLen += readLen;
                } else if(readLen == 0) {
                    // EOF
                    break;
                } else if(readLen < 0) {
                    rodsLog (LOG_DEBUG, "_commitLocalBuffer: buffered file read error - %s, %d", iRODSPath, localDesc);
                    status = getErrno (readLen);
                    break;
                }
            }

            if(status >= 0) {
                while(totalWriteLen < totalReadLen) {
                    int writeLen = _ifuseWrite (&IFuseDesc[descInx], buffer + totalWriteLen, totalReadLen - totalWriteLen, lazyUploadFileInfo->curLocalOffsetStart + totalWriteLen);
                    if(writeLen > 0) {
                        totalWriteLen += writeLen;
                    } else if(writeLen == 0) {
                        // EOF
                        break;
                    } else if(writeLen < 0) {
                        rodsLog (LOG_DEBUG, "_commitLocalBuffer: iRODS file write error - %s", iRODSPath);
                        status = getErrno (writeLen);
                        break;
                    }
                }
            }

            grandTotalReadLen += totalReadLen;
        }

        unlockDesc (descInx);

        free(buffer);
        close(localDesc);
    }

    rodsLog (LOG_DEBUG, "_commitLocalBuffer: reset local buffered file - %s", iRODSPath);

    // reset local buffer file
    desc = open (bufferPath, O_RDWR|O_CREAT|O_TRUNC, 0755);
    lazyUploadFileInfo->localHandle = desc;
    lazyUploadFileInfo->commitCount++;
    lazyUploadFileInfo->curLocalOffsetStart += lazyUploadFileInfo->curOffset;
    lazyUploadFileInfo->curOffset = 0;
    return (0);
}