From: Ross Zwisler <ross.zwisler@linux.intel.com>
To: Dave Jiang <dave.jiang@intel.com>
Cc: akpm@linux-foundation.org, jack@suse.cz,
linux-nvdimm@lists.01.org, david@fromorbit.com, hch@lst.de,
linux-mm@kvack.org, tytso@mit.edu, ross.zwisler@linux.intel.com,
dan.j.williams@intel.com
Subject: Re: [PATCH v2 1/3] dax: masking off __GFP_FS in fs DAX handlers
Date: Wed, 14 Dec 2016 13:41:18 -0700 [thread overview]
Message-ID: <20161214204118.GA14901@linux.intel.com> (raw)
In-Reply-To: <148174532372.194339.4875475197715168429.stgit@djiang5-desk3.ch.intel.com>
On Wed, Dec 14, 2016 at 12:55:23PM -0700, Dave Jiang wrote:
> The callers into dax needs to clear __GFP_FS since they are responsible
> for acquiring locks / transactions that block __GFP_FS allocation. They
> will restore the lag when dax function return.
>
> Signed-off-by: Dave Jiang <dave.jiang@intel.com>
This seems correct to me.
Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>
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next prev parent reply other threads:[~2016-12-14 20:41 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-14 19:55 Dave Jiang
2016-12-14 19:55 ` [PATCH v2 2/3] mm, dax: make pmd_fault() and friends to be the same as fault() Dave Jiang
2016-12-15 13:51 ` Jan Kara
2016-12-14 19:55 ` [PATCH v2 3/3] mm, dax: move pmd_fault() to take only vmf parameter Dave Jiang
2016-12-15 14:04 ` Jan Kara
2016-12-14 20:41 ` Ross Zwisler [this message]
2016-12-15 13:46 ` [PATCH v2 1/3] dax: masking off __GFP_FS in fs DAX handlers Jan Kara
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