Re: [PATCH v8 2/9] dax: Introduce holder for dax_device

2021-12-14 Thread Dan Williams
On Thu, Dec 2, 2021 at 12:49 AM 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 holder

[PATCH v8 2/9] dax: Introduce holder for dax_device

2021-12-02 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 superblock of this filesystem. - When this