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Date: Thu, 14 May 2020 08:43:35 +0200 From: Jan Kara <jack@...e.cz> To: Ira Weiny <ira.weiny@...el.com> Cc: Jan Kara <jack@...e.cz>, linux-ext4@...r.kernel.org, Andreas Dilger <adilger.kernel@...ger.ca>, "Theodore Y. Ts'o" <tytso@....edu>, Al Viro <viro@...iv.linux.org.uk>, Dan Williams <dan.j.williams@...el.com>, Dave Chinner <david@...morbit.com>, Christoph Hellwig <hch@....de>, Jeff Moyer <jmoyer@...hat.com>, "Darrick J. Wong" <darrick.wong@...cle.com>, linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 8/9] fs/ext4: Introduce DAX inode flag On Wed 13-05-20 14:41:55, Ira Weiny wrote: > On Wed, May 13, 2020 at 04:47:06PM +0200, Jan Kara wrote: > > > > So I think you'll have to check > > whether DAX flag is being changed, > > ext4_dax_dontcache() does check if the flag is being changed. Yes, but if you call it after inode flags change, you cannot determine that just from flags and EXT4_I(inode)->i_flags. So that logic needs to change. Honza -- Jan Kara <jack@...e.com> SUSE Labs, CR
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