Messages in this thread | | | Date | Wed, 16 Feb 2022 11:02:26 +0800 | Subject | Re: [PATCH v10 5/9] fsdax: Introduce dax_load_page() | From | Shiyang Ruan <> |
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在 2022/2/16 9:34, Dan Williams 写道: > On Thu, Jan 27, 2022 at 4:41 AM Shiyang Ruan <ruansy.fnst@fujitsu.com> wrote: >> >> The current dax_lock_page() locks dax entry by obtaining mapping and >> index in page. To support 1-to-N RMAP in NVDIMM, we need a new function >> to lock a specific dax entry > > I do not see a call to dax_lock_entry() in this function, what keeps > this lookup valid after xas_unlock_irq()?
I am not sure if I understood your advice correctly: You said dax_lock_entry() is not necessary in v9[1]. So, I deleted it.
[1]: https://lore.kernel.org/linux-xfs/CAPcyv4jVDfpHb1DCW+NLXH2YBgLghCVy8o6wrc02CXx4g-Bv7Q@mail.gmail.com/
-- Thanks, Ruan.
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