Re: [PATCH v13 1/7] dax: Introduce holder for dax_device

2022-04-20 Thread Darrick J. Wong
On Tue, Apr 19, 2022 at 12:50:39PM +0800, Shiyang Ruan wrote: > To easily track filesystem from a pmem device, we introduce a holder for > dax_device structure, and also its operation. This holder is used to > remember who is using this dax_device: > - When it is the backend of a filesystem, the

[PATCH v13 1/7] dax: Introduce holder for dax_device

2022-04-18 Thread Shiyang Ruan
To easily track filesystem from a pmem device, we introduce a holder for dax_device structure, and also its operation. This holder is used to remember who is using this dax_device: - When it is the backend of a filesystem, the holder will be the instance of this filesystem. - When this pmem