From: Jan Kara <jack-AlSwsSmVLrQ@public.gmane.org>
To: "Aneesh Kumar K.V"
<aneesh.kumar-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
Cc: Theodore Ts'o <tytso-3s7WtUTddSA@public.gmane.org>,
Matthew Wilcox <mawilcox-0li6OtcxBFHby3iVrkZq2A@public.gmane.org>,
Dave Chinner <david-FqsqvQoI3Ljby3iVrkZq2A@public.gmane.org>,
linux-nvdimm-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>,
linux-xfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org,
Andreas Dilger
<adilger.kernel-m1MBpc4rdrD3fQ9qLvQP4Q@public.gmane.org>,
Alexander Viro
<viro-RmSDqhL/yNMiFSDQTTA3OLVCufUGDwFn@public.gmane.org>,
linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Jan Kara <jack-AlSwsSmVLrQ@public.gmane.org>,
linux-ext4-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Andrew Morton
<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
Subject: Re: [PATCH v6 17/17] dax: remove "depends on BROKEN" from FS_DAX_PMD
Date: Mon, 17 Oct 2016 11:09:37 +0200 [thread overview]
Message-ID: <20161017090937.GG3359@quack2.suse.cz> (raw)
In-Reply-To: <87eg3ftt4r.fsf-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
On Mon 17-10-16 11:27:24, Aneesh Kumar K.V wrote:
> Ross Zwisler <ross.zwisler-VuQAYsv1563Yd54FQh9/CA@public.gmane.org> writes:
>
> > Now that DAX PMD faults are once again working and are now participating in
> > DAX's radix tree locking scheme, allow their config option to be enabled.
> >
> > Signed-off-by: Ross Zwisler <ross.zwisler-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
> > ---
> > fs/Kconfig | 1 -
> > 1 file changed, 1 deletion(-)
> >
> > diff --git a/fs/Kconfig b/fs/Kconfig
> > index 2bc7ad7..b6f0fce 100644
> > --- a/fs/Kconfig
> > +++ b/fs/Kconfig
> > @@ -55,7 +55,6 @@ config FS_DAX_PMD
> > depends on FS_DAX
> > depends on ZONE_DEVICE
> > depends on TRANSPARENT_HUGEPAGE
> > - depends on BROKEN
> >
> > endif # BLOCK
>
>
> This series made dax_pmd_fault return VM_FAULT_FALLBACK in [PATCH v6 09/17] dax: remove dax_pmd_fault().
> That essentially disable dax pmd for ext4. Any plans to fix that ?
I'm working on converting ext4 to the new iomap infrastructure. Once that
is done, it can use new DAX helpers for PMD faults easily.
Honza
--
Jan Kara <jack-IBi9RG/b67k@public.gmane.org>
SUSE Labs, CR
WARNING: multiple messages have this Message-ID (diff)
From: Jan Kara <jack@suse.cz>
To: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>,
linux-kernel@vger.kernel.org, Theodore Ts'o <tytso@mit.edu>,
Alexander Viro <viro@zeniv.linux.org.uk>,
Andreas Dilger <adilger.kernel@dilger.ca>,
Andrew Morton <akpm@linux-foundation.org>,
Christoph Hellwig <hch@lst.de>,
Dan Williams <dan.j.williams@intel.com>,
Dave Chinner <david@fromorbit.com>, Jan Kara <jack@suse.cz>,
Matthew Wilcox <mawilcox@microsoft.com>,
linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-mm@kvack.org, linux-nvdimm@lists.01.org,
linux-xfs@vger.kernel.org
Subject: Re: [PATCH v6 17/17] dax: remove "depends on BROKEN" from FS_DAX_PMD
Date: Mon, 17 Oct 2016 11:09:37 +0200 [thread overview]
Message-ID: <20161017090937.GG3359@quack2.suse.cz> (raw)
In-Reply-To: <87eg3ftt4r.fsf@linux.vnet.ibm.com>
On Mon 17-10-16 11:27:24, Aneesh Kumar K.V wrote:
> Ross Zwisler <ross.zwisler@linux.intel.com> writes:
>
> > Now that DAX PMD faults are once again working and are now participating in
> > DAX's radix tree locking scheme, allow their config option to be enabled.
> >
> > Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
> > ---
> > fs/Kconfig | 1 -
> > 1 file changed, 1 deletion(-)
> >
> > diff --git a/fs/Kconfig b/fs/Kconfig
> > index 2bc7ad7..b6f0fce 100644
> > --- a/fs/Kconfig
> > +++ b/fs/Kconfig
> > @@ -55,7 +55,6 @@ config FS_DAX_PMD
> > depends on FS_DAX
> > depends on ZONE_DEVICE
> > depends on TRANSPARENT_HUGEPAGE
> > - depends on BROKEN
> >
> > endif # BLOCK
>
>
> This series made dax_pmd_fault return VM_FAULT_FALLBACK in [PATCH v6 09/17] dax: remove dax_pmd_fault().
> That essentially disable dax pmd for ext4. Any plans to fix that ?
I'm working on converting ext4 to the new iomap infrastructure. Once that
is done, it can use new DAX helpers for PMD faults easily.
Honza
--
Jan Kara <jack@suse.com>
SUSE Labs, CR
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WARNING: multiple messages have this Message-ID (diff)
From: Jan Kara <jack@suse.cz>
To: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>,
linux-kernel@vger.kernel.org, Theodore Ts'o <tytso@mit.edu>,
Alexander Viro <viro@zeniv.linux.org.uk>,
Andreas Dilger <adilger.kernel@dilger.ca>,
Andrew Morton <akpm@linux-foundation.org>,
Christoph Hellwig <hch@lst.de>,
Dan Williams <dan.j.williams@intel.com>,
Dave Chinner <david@fromorbit.com>, Jan Kara <jack@suse.cz>,
Matthew Wilcox <mawilcox@microsoft.com>,
linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-mm@kvack.org, linux-nvdimm@lists.01.org,
linux-xfs@vger.kernel.org
Subject: Re: [PATCH v6 17/17] dax: remove "depends on BROKEN" from FS_DAX_PMD
Date: Mon, 17 Oct 2016 11:09:37 +0200 [thread overview]
Message-ID: <20161017090937.GG3359@quack2.suse.cz> (raw)
In-Reply-To: <87eg3ftt4r.fsf@linux.vnet.ibm.com>
On Mon 17-10-16 11:27:24, Aneesh Kumar K.V wrote:
> Ross Zwisler <ross.zwisler@linux.intel.com> writes:
>
> > Now that DAX PMD faults are once again working and are now participating in
> > DAX's radix tree locking scheme, allow their config option to be enabled.
> >
> > Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
> > ---
> > fs/Kconfig | 1 -
> > 1 file changed, 1 deletion(-)
> >
> > diff --git a/fs/Kconfig b/fs/Kconfig
> > index 2bc7ad7..b6f0fce 100644
> > --- a/fs/Kconfig
> > +++ b/fs/Kconfig
> > @@ -55,7 +55,6 @@ config FS_DAX_PMD
> > depends on FS_DAX
> > depends on ZONE_DEVICE
> > depends on TRANSPARENT_HUGEPAGE
> > - depends on BROKEN
> >
> > endif # BLOCK
>
>
> This series made dax_pmd_fault return VM_FAULT_FALLBACK in [PATCH v6 09/17] dax: remove dax_pmd_fault().
> That essentially disable dax pmd for ext4. Any plans to fix that ?
I'm working on converting ext4 to the new iomap infrastructure. Once that
is done, it can use new DAX helpers for PMD faults easily.
Honza
--
Jan Kara <jack@suse.com>
SUSE Labs, CR
WARNING: multiple messages have this Message-ID (diff)
From: Jan Kara <jack@suse.cz>
To: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>,
linux-kernel@vger.kernel.org, "Theodore Ts'o" <tytso@mit.edu>,
Alexander Viro <viro@zeniv.linux.org.uk>,
Andreas Dilger <adilger.kernel@dilger.ca>,
Andrew Morton <akpm@linux-foundation.org>,
Christoph Hellwig <hch@lst.de>,
Dan Williams <dan.j.williams@intel.com>,
Dave Chinner <david@fromorbit.com>, Jan Kara <jack@suse.cz>,
Matthew Wilcox <mawilcox@microsoft.com>,
linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-mm@kvack.org, linux-nvdimm@ml01.01.org,
linux-xfs@vger.kernel.org
Subject: Re: [PATCH v6 17/17] dax: remove "depends on BROKEN" from FS_DAX_PMD
Date: Mon, 17 Oct 2016 11:09:37 +0200 [thread overview]
Message-ID: <20161017090937.GG3359@quack2.suse.cz> (raw)
In-Reply-To: <87eg3ftt4r.fsf@linux.vnet.ibm.com>
On Mon 17-10-16 11:27:24, Aneesh Kumar K.V wrote:
> Ross Zwisler <ross.zwisler@linux.intel.com> writes:
>
> > Now that DAX PMD faults are once again working and are now participating in
> > DAX's radix tree locking scheme, allow their config option to be enabled.
> >
> > Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
> > ---
> > fs/Kconfig | 1 -
> > 1 file changed, 1 deletion(-)
> >
> > diff --git a/fs/Kconfig b/fs/Kconfig
> > index 2bc7ad7..b6f0fce 100644
> > --- a/fs/Kconfig
> > +++ b/fs/Kconfig
> > @@ -55,7 +55,6 @@ config FS_DAX_PMD
> > depends on FS_DAX
> > depends on ZONE_DEVICE
> > depends on TRANSPARENT_HUGEPAGE
> > - depends on BROKEN
> >
> > endif # BLOCK
>
>
> This series made dax_pmd_fault return VM_FAULT_FALLBACK in [PATCH v6 09/17] dax: remove dax_pmd_fault().
> That essentially disable dax pmd for ext4. Any plans to fix that ?
I'm working on converting ext4 to the new iomap infrastructure. Once that
is done, it can use new DAX helpers for PMD faults easily.
Honza
--
Jan Kara <jack@suse.com>
SUSE Labs, CR
next prev parent reply other threads:[~2016-10-17 9:09 UTC|newest]
Thread overview: 126+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-12 22:50 [PATCH v6 00/17] re-enable DAX PMD support Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
[not found] ` <20161012225022.15507-1-ross.zwisler-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2016-10-12 22:50 ` [PATCH v6 01/17] ext4: allow DAX writeback for hole punch Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` [PATCH v6 02/17] ext4: tell DAX the size of allocation holes Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` [PATCH v6 03/17] dax: remove buffer_size_valid() Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` [PATCH v6 04/17] ext2: remove support for DAX PMD faults Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` [PATCH v6 07/17] dax: consistent variable naming for DAX entries Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` [PATCH v6 08/17] dax: coordinate locking for offsets in PMD range Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` [PATCH v6 09/17] dax: remove dax_pmd_fault() Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` [PATCH v6 10/17] dax: correct dax iomap code namespace Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` [PATCH v6 11/17] dax: add dax_iomap_sector() helper function Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` [PATCH v6 12/17] dax: dax_iomap_fault() needs to call iomap_end() Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` [PATCH v6 13/17] dax: move RADIX_DAX_* defines to dax.h Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` [PATCH v6 14/17] dax: move put_(un)locked_mapping_entry() in dax.c Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-13 15:11 ` Jan Kara
2016-10-13 15:11 ` Jan Kara
2016-10-13 15:11 ` Jan Kara
2016-10-12 22:50 ` [PATCH v6 15/17] dax: add struct iomap based DAX PMD support Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
[not found] ` <20161012225022.15507-16-ross.zwisler-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2016-10-13 15:42 ` Jan Kara
2016-10-13 15:42 ` Jan Kara
2016-10-13 15:42 ` Jan Kara
2016-10-13 15:42 ` Jan Kara
2016-10-13 15:42 ` Jan Kara
2016-10-13 19:23 ` [PATCH v7 " Ross Zwisler
2016-10-13 19:23 ` Ross Zwisler
2016-10-13 19:23 ` Ross Zwisler
2016-10-13 19:23 ` Ross Zwisler
2016-10-17 6:06 ` Aneesh Kumar K.V
2016-10-17 6:06 ` Aneesh Kumar K.V
2016-10-17 6:06 ` Aneesh Kumar K.V
2016-10-17 6:06 ` Aneesh Kumar K.V
2016-10-17 6:06 ` Aneesh Kumar K.V
2016-10-17 14:55 ` Ross Zwisler
2016-10-17 14:55 ` Ross Zwisler
2016-10-17 14:55 ` Ross Zwisler
2016-10-17 14:55 ` Ross Zwisler
2016-10-13 19:25 ` [PATCH v6 " Ross Zwisler
2016-10-13 19:25 ` Ross Zwisler
2016-10-13 19:25 ` Ross Zwisler
2016-10-13 19:25 ` Ross Zwisler
2016-10-12 22:50 ` [PATCH v6 16/17] xfs: use struct iomap based DAX PMD fault path Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` [PATCH v6 17/17] dax: remove "depends on BROKEN" from FS_DAX_PMD Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
[not found] ` <20161012225022.15507-18-ross.zwisler-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2016-10-13 15:42 ` Jan Kara
2016-10-13 15:42 ` Jan Kara
2016-10-13 15:42 ` Jan Kara
2016-10-13 15:42 ` Jan Kara
2016-10-17 5:57 ` Aneesh Kumar K.V
2016-10-17 5:57 ` Aneesh Kumar K.V
2016-10-17 5:57 ` Aneesh Kumar K.V
2016-10-17 5:57 ` Aneesh Kumar K.V
2016-10-17 5:57 ` Aneesh Kumar K.V
2016-10-17 5:57 ` Aneesh Kumar K.V
[not found] ` <87eg3ftt4r.fsf-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2016-10-17 9:09 ` Jan Kara [this message]
2016-10-17 9:09 ` Jan Kara
2016-10-17 9:09 ` Jan Kara
2016-10-17 9:09 ` Jan Kara
2016-10-12 22:50 ` [PATCH v6 05/17] dax: make 'wait_table' global variable static Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` [PATCH v6 06/17] dax: remove the last BUG_ON() from fs/dax.c Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
2016-10-12 22:50 ` Ross Zwisler
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