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1. 发明授权

US09740424B2 Zero copy support by the virtual memory manager 有权
公开(公告)号：US09740424B2
公开(公告)日：2017-08-22
申请号：US15345564
申请日：2016-11-08
申请人： International Business Machines Corporation
发明人： Vishal C. Aslot , Ninad S. Palsule
IPC分类号： G06F12/10 , G06F13/00 , G06F3/06
CPC分类号： G06F3/0667 , G06F3/0604 , G06F3/0605 , G06F3/061 , G06F3/0613 , G06F3/0631 , G06F3/064 , G06F3/0643 , G06F3/0647 , G06F3/065 , G06F3/0664 , G06F3/0665 , G06F3/0673 , G06F3/0674 , G06F3/0683 , G06F11/00 , G06F12/023 , G06F12/08 , G06F2212/1016 , G06F2212/152 , G06F2212/154 , G06F2212/263 , G06F2212/657
摘要： A computer program product for copying a source file to a destination file using a virtual memory manager of a computer operating system is provided. The computer program product includes receiving, by the virtual memory manager, a request to copy the source file to a destination file. The computer program product further provides that based on the status of the virtual page, performing at least one moving the virtual page to the destination file, copying the virtual page to the destination file, reading the virtual page into memory, and ignoring the virtual page.

2. 发明授权

US09563361B1 Zero copy support by the virtual memory manager 有权
标题翻译：零拷贝支持虚拟内存管理器
公开(公告)号：US09563361B1
公开(公告)日：2017-02-07
申请号：US15044179
申请日：2016-02-16
申请人： International Business Machines Corporation
发明人： Vishal C. Aslot , Ninad S. Palsule
IPC分类号： G06F13/00 , G06F3/06 , G06F12/10
CPC分类号： G06F3/0667 , G06F3/0604 , G06F3/0605 , G06F3/061 , G06F3/0613 , G06F3/0631 , G06F3/064 , G06F3/0643 , G06F3/0647 , G06F3/065 , G06F3/0664 , G06F3/0665 , G06F3/0673 , G06F3/0674 , G06F3/0683 , G06F11/00 , G06F12/023 , G06F12/08 , G06F2212/1016 , G06F2212/152 , G06F2212/154 , G06F2212/263 , G06F2212/657
摘要： A processor-implemented method for copying a source file to a destination file using a virtual memory manager (VMM) of a computer operating system is provided. The method includes receiving, by the VMM, a request to copy the source file to a destination file. The method further provides that based on the status of the virtual page, performing at least one of moving the virtual page to the destination file, copying the virtual page to the destination file, reading the virtual page into memory, and ignoring the virtual page.
摘要翻译：提供了一种使用计算机操作系统的虚拟存储器管理器（VMM）将源文件复制到目的地文件的处理器实现的方法。该方法包括由VMM接收将源文件复制到目的地文件的请求。该方法进一步提供：基于虚拟页面的状态，执行将虚拟页面移动到目的地文件中的至少一个，将虚拟页面复制到目的地文件，将虚拟页面读取到存储器中，并忽略虚拟页面。

3. 发明申请

US20170139639A1 ZERO COPY SUPPORT BY THE VIRTUAL MEMORY MANAGER 有权
公开(公告)号：US20170139639A1
公开(公告)日：2017-05-18
申请号：US15345564
申请日：2016-11-08
申请人： International Business Machines Corporation
发明人： Vishal C. Aslot , Ninad S. Palsule
IPC分类号： G06F3/06
CPC分类号： G06F3/0667 , G06F3/0604 , G06F3/0605 , G06F3/061 , G06F3/0613 , G06F3/0631 , G06F3/064 , G06F3/0643 , G06F3/0647 , G06F3/065 , G06F3/0664 , G06F3/0665 , G06F3/0673 , G06F3/0674 , G06F3/0683 , G06F11/00 , G06F12/023 , G06F12/08 , G06F2212/1016 , G06F2212/152 , G06F2212/154 , G06F2212/263 , G06F2212/657
摘要： A computer program product for copying a source file to a destination file using a virtual memory manager of a computer operating system is provided. The computer program product includes receiving, by the virtual memory manager, a request to copy the source file to a destination file. The computer program product further provides that based on the status of the virtual page, performing at least one moving the virtual page to the destination file, copying the virtual page to the destination file, reading the virtual page into memory, and ignoring the virtual page.

4. 发明授权

US09971550B2 Zero copy support by the virtual memory manager 有权
公开(公告)号：US09971550B2
公开(公告)日：2018-05-15
申请号：US14939491
申请日：2015-11-12
申请人： International Business Machines Corporation
发明人： Vishal C. Aslot , Ninad S. Palsule
IPC分类号： G06F12/08 , G06F3/06
CPC分类号： G06F3/0667 , G06F3/0604 , G06F3/0605 , G06F3/061 , G06F3/0613 , G06F3/0631 , G06F3/064 , G06F3/0643 , G06F3/0647 , G06F3/065 , G06F3/0664 , G06F3/0665 , G06F3/0673 , G06F3/0674 , G06F3/0683 , G06F11/00 , G06F12/023 , G06F12/08 , G06F2212/1016 , G06F2212/152 , G06F2212/154 , G06F2212/263 , G06F2212/657
摘要： A processor-implemented method for copying a source file to a destination file using a virtual memory manager (VMM) of a computer operating system is provided. The method includes receiving, by the VMM, a request to copy the source file to a destination file. The method further provides that based on the status of the virtual page, performing at least one of moving the virtual page to the destination file, copying the virtual page to the destination file, reading the virtual page into memory, and ignoring the virtual page.

5. 发明授权

US09747031B2 Zero copy support by the virtual memory manager 有权
公开(公告)号：US09747031B2
公开(公告)日：2017-08-29
申请号：US15345579
申请日：2016-11-08
申请人： International Business Machines Corporation
发明人： Vishal C. Aslot , Ninad S. Palsule
IPC分类号： G06F12/10 , G06F13/00 , G06F3/06 , G06F12/02
CPC分类号： G06F3/0667 , G06F3/0604 , G06F3/0605 , G06F3/061 , G06F3/0613 , G06F3/0631 , G06F3/064 , G06F3/0643 , G06F3/0647 , G06F3/065 , G06F3/0664 , G06F3/0665 , G06F3/0673 , G06F3/0674 , G06F3/0683 , G06F11/00 , G06F12/023 , G06F12/08 , G06F2212/1016 , G06F2212/152 , G06F2212/154 , G06F2212/263 , G06F2212/657
摘要： A computer system for copying a source file to a destination file using a virtual memory manager of a computer operating system is provided. One or more processors, one or more non-tangible computer-readable storage devices, and a plurality of program instructions are included. The program instructions provide for receiving, by the virtual memory manager, a request to copy the source file to a destination file. The program instructions further provides that based on the status of the virtual page, performing at least one moving the virtual page to the destination file, copying the virtual page to the destination file, reading the virtual page into memory, and ignoring the virtual page.

6. 发明申请

US20170139601A1 ZERO COPY SUPPORT BY THE VIRTUAL MEMORY MANAGER 有权
公开(公告)号：US20170139601A1
公开(公告)日：2017-05-18
申请号：US15345579
申请日：2016-11-08
申请人： International Business Machines Corporation
发明人： Vishal C. Aslot , Ninad S. Palsule
IPC分类号： G06F3/06 , G06F12/10 , G06F12/02
CPC分类号： G06F3/0667 , G06F3/0604 , G06F3/0605 , G06F3/061 , G06F3/0613 , G06F3/0631 , G06F3/064 , G06F3/0643 , G06F3/0647 , G06F3/065 , G06F3/0664 , G06F3/0665 , G06F3/0673 , G06F3/0674 , G06F3/0683 , G06F11/00 , G06F12/023 , G06F12/08 , G06F2212/1016 , G06F2212/152 , G06F2212/154 , G06F2212/263 , G06F2212/657
摘要： A computer system for copying a source file to a destination file using a virtual memory manager of a computer operating system is provided. One or more processors, one or more non-tangible computer-readable storage devices, and a plurality of program instructions are included. The program instructions provide for receiving, by the virtual memory manager, a request to copy the source file to a destination file. The program instructions further provides that based on the status of the virtual page, performing at least one moving the virtual page to the destination file, copying the virtual page to the destination file, reading the virtual page into memory, and ignoring the virtual page.

7. 发明申请

US20150089185A1 Managing Mirror Copies without Blocking Application I/O 审中-公开
标题翻译：管理镜像副本而不阻止应用程序I / O
公开(公告)号：US20150089185A1
公开(公告)日：2015-03-26
申请号：US14033655
申请日：2013-09-23
申请人： International Business Machines Corporation
发明人： Matthew T. Brandyberry , Ninad S. Palsule
IPC分类号： G06F12/10 , G06F12/08
CPC分类号： G06F12/1027
摘要： Mechanisms, in a data processing system comprising a processor and an address translation cache, for caching address translations in the address translation cache are provided. The mechanisms receive an address translation from a server computing device to be cached in the data processing system. The mechanisms generate a cache key based on a current valid number of mirror copies of data maintained by the server computing device. The mechanisms allocate a buffer of the address translation cache, corresponding to the cache key, for storing the address translation and store the address translation in the allocated buffer. Furthermore, the mechanisms perform an input/output operation using the address translation stored in the allocated buffer.
摘要翻译：提供了一种用于在地址转换高速缓存中缓存地址转换的包括处理器和地址转换高速缓存的数据处理系统中的机制。这些机制从服务器计算设备接收地址转换，以缓存在数据处理系统中。这些机制基于由服务器计算设备维护的数据的当前有效数量的镜像副本产生高速缓存密钥。这些机制分配与缓存密钥对应的地址转换缓存的缓冲器，用于存储地址转换，并将地址转换存储在所分配的缓冲器中。此外，这些机制使用存储在所分配的缓冲器中的地址转换来执行输入/输出操作。

8. 发明申请

US20210365411A1 ASYNCHRONOUS HOST FILE SYSTEM BASED DATA REPLICATION 有权
公开(公告)号：US20210365411A1
公开(公告)日：2021-11-25
申请号：US16880298
申请日：2020-05-21
申请人： International Business Machines Corporation
发明人： Ninad S. Palsule , Ravi A. Shankar , James A. Pafumi , PERINKULAM I. GANESH , Frank Law Nichols, III , JES KIRAN CHITTIGALA , Lakshmi Yadlapati , Rui Yang , Robert Kenneth Gjertsen, JR. , Corradino D. Jones , Denise Marie Genty , Janet Adkins
IPC分类号： G06F16/178
摘要： A write operation storing data in a first storage device is duplicated to a first replication file. A set of differences between a first version of the first replication file determined at a first time and a second version of the first replication file determined at a second time is determined, the set of differences comprising a set of results of duplicated write operations occurring between the first time and the second time. At a second file system, storage of the set of differences in a second storage device is caused, creating a duplicate in the second storage device of the data stored in the first storage device.

9. 发明申请

US20170139648A1 ZERO COPY SUPPORT BY THE VIRTUAL MEMORY MANAGER 有权
公开(公告)号：US20170139648A1
公开(公告)日：2017-05-18
申请号：US14939491
申请日：2015-11-12
申请人： International Business Machines Corporation
发明人： Vishal C. Aslot , Ninad S. Palsule
IPC分类号： G06F3/06
CPC分类号： G06F3/0667 , G06F3/0604 , G06F3/0605 , G06F3/061 , G06F3/0613 , G06F3/0631 , G06F3/064 , G06F3/0643 , G06F3/0647 , G06F3/065 , G06F3/0664 , G06F3/0665 , G06F3/0673 , G06F3/0674 , G06F3/0683 , G06F11/00 , G06F12/023 , G06F12/08 , G06F2212/1016 , G06F2212/152 , G06F2212/154 , G06F2212/263 , G06F2212/657
摘要： A processor-implemented method for copying a source file to a destination file using a virtual memory manager (VMM) of a computer operating system is provided. The method includes receiving, by the VMM, a request to copy the source file to a destination file. The method further provides that based on the status of the virtual page, performing at least one of moving the virtual page to the destination file, copying the virtual page to the destination file, reading the virtual page into memory, and ignoring the virtual page.

10. 发明授权

US09020899B2 File cloning across different filesets 有权
标题翻译：跨不同文件集的文件克隆
公开(公告)号：US09020899B2
公开(公告)日：2015-04-28
申请号：US14174082
申请日：2014-02-06
申请人： International Business Machines Corporation
发明人： Janet E. Adkins , Joon Chang , David J. Craft , Manoj N. Kumar , Ninad S. Palsule
IPC分类号： G06F17/30
CPC分类号： G06F17/3007 , G06F17/30017 , G06F17/30088
摘要： A method includes determining, by a processor, that a write request indicates a clone file that was cloned from a file in a first fileset. The clone file is of a second fileset and a clustered file system comprises the first fileset and the second fileset. A data block of the clone file affected by the write request is determined. The method includes determining that the data block at a current location cannot be modified. In response to a determination that the data block at the current location cannot be modified, the method includes implementing the write request with respect to the data block at a different location and indicating that the data block at the different location can be modified for subsequent write requests that indicate the clone file.
摘要翻译：一种方法包括由处理器确定写入请求指示从第一文件集中的文件克隆的克隆文件。克隆文件是第二个文件集，而群集文件系统包括第一个文件集和第二个文件集。确定受写入请求影响的克隆文件的数据块。该方法包括确定当前位置的数据块不能被修改。响应于确定当前位置处的数据块不能被修改，该方法包括相对于不同位置处的数据块实现写请求，并且指示可以修改不同位置处的数据块以用于随后的写入指示克隆文件的请求。

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