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Date: Fri, 29 Apr 2016 14:29:26 -0600 From: Ross Zwisler <ross.zwisler@...ux.intel.com> To: Jan Kara <jack@...e.cz> Cc: linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org, linux-mm@...ck.org, Ross Zwisler <ross.zwisler@...ux.intel.com>, Dan Williams <dan.j.williams@...el.com>, linux-nvdimm@...ts.01.org, Matthew Wilcox <willy@...ux.intel.com> Subject: Re: [PATCH 15/18] dax: Allow DAX code to replace exceptional entries On Mon, Apr 18, 2016 at 11:35:38PM +0200, Jan Kara wrote: > Currently we forbid page_cache_tree_insert() to replace exceptional radix > tree entries for DAX inodes. However to make DAX faults race free we will > lock radix tree entries and when hole is created, we need to replace > such locked radix tree entry with a hole page. So modify > page_cache_tree_insert() to allow that. > > Signed-off-by: Jan Kara <jack@...e.cz> Reviewed-by: Ross Zwisler <ross.zwisler@...ux.intel.com> -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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