On 2024-02-02 15:14, Dan Williams wrote:
Mathieu Desnoyers wrote:
[..]
Thanks for that. All of those need to be done before the fs goes live
later in virtio_device_ready(), but before that point nothing should be
calling into virtio_fs_dax_ops, so as far as I can see it is safe to
change the
Mathieu Desnoyers wrote:
[..]
> > Thanks for that. All of those need to be done before the fs goes live
> > later in virtio_device_ready(), but before that point nothing should be
> > calling into virtio_fs_dax_ops, so as far as I can see it is safe to
> > change the order.
>
> Sounds good, I'll
On 2024-02-02 14:41, Dan Williams wrote:
Mathieu Desnoyers wrote:
On 2024-02-02 12:37, Dan Williams wrote:
Mathieu Desnoyers wrote:
[...]
The alternative route I intend to take is to audit all callers
of alloc_dax() and make sure they all save the alloc_dax() return
value in a struct
Mathieu Desnoyers wrote:
> On 2024-02-02 12:37, Dan Williams wrote:
> > Mathieu Desnoyers wrote:
> [...]
> >>
> >
> >> The alternative route I intend to take is to audit all callers
> >> of alloc_dax() and make sure they all save the alloc_dax() return
> >> value in a struct dax_device * local
On 2024-02-02 12:37, Dan Williams wrote:
Mathieu Desnoyers wrote:
[...]
The alternative route I intend to take is to audit all callers
of alloc_dax() and make sure they all save the alloc_dax() return
value in a struct dax_device * local variable first for the sake
of checking for
Mathieu Desnoyers wrote:
[..]
> The change for -EOPNOTSUPP in header and implementation would look like
> this (more questions below):
>
> diff --git a/include/linux/dax.h b/include/linux/dax.h
> index b463502b16e1..df2d52b8a245 100644
> --- a/include/linux/dax.h
> +++ b/include/linux/dax.h
> @@
On 2024-02-01 10:44, Mathieu Desnoyers wrote:
On 2024-01-31 17:18, Dan Williams wrote:
[...]
diff --git a/fs/fuse/virtio_fs.c b/fs/fuse/virtio_fs.c
index 5f1be1da92ce..11053a70f5ab 100644
--- a/fs/fuse/virtio_fs.c
+++ b/fs/fuse/virtio_fs.c
@@ -16,6 +16,7 @@
#include
#include
On 2024-02-01 10:44, Mathieu Desnoyers wrote:
[...]
diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c
index 4e8fdcb3f1c8..b69c9e442cf4 100644
--- a/drivers/nvdimm/pmem.c
+++ b/drivers/nvdimm/pmem.c
@@ -560,17 +560,19 @@ static int pmem_attach_disk(struct device *dev,
dax_dev =
On 2024-01-31 17:18, Dan Williams wrote:
Mathieu Desnoyers wrote:
On 2024-01-31 16:02, Dan Williams wrote:
Mathieu Desnoyers wrote:
Replace the following fs/Kconfig:FS_DAX dependency:
depends on !(ARM || MIPS || SPARC)
By a runtime check within alloc_dax().
This is done in preparation
Mathieu Desnoyers wrote:
> On 2024-01-31 16:02, Dan Williams wrote:
> > Mathieu Desnoyers wrote:
> >> Replace the following fs/Kconfig:FS_DAX dependency:
> >>
> >>depends on !(ARM || MIPS || SPARC)
> >>
> >> By a runtime check within alloc_dax().
> >>
> >> This is done in preparation for its
On 2024-01-31 16:02, Dan Williams wrote:
Mathieu Desnoyers wrote:
Replace the following fs/Kconfig:FS_DAX dependency:
depends on !(ARM || MIPS || SPARC)
By a runtime check within alloc_dax().
This is done in preparation for its use by each filesystem supporting
the "dax" mount option to
Mathieu Desnoyers wrote:
> Replace the following fs/Kconfig:FS_DAX dependency:
>
> depends on !(ARM || MIPS || SPARC)
>
> By a runtime check within alloc_dax().
>
> This is done in preparation for its use by each filesystem supporting
> the "dax" mount option to validate whether DAX is indeed
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