From: Christoph Hellwig <hch@lst.de> To: Andreas Gruenbacher <agruenba@redhat.com> Cc: cluster-devel@redhat.com, Christoph Hellwig <hch@lst.de>, linux-fsdevel@vger.kernel.org Subject: Re: [PATCH v4 09/11] gfs2: iomap direct I/O support Date: Tue, 15 May 2018 09:31:29 +0200 [thread overview] Message-ID: <20180515073129.GB23384@lst.de> (raw) In-Reply-To: <20180514153624.29598-10-agruenba@redhat.com> On Mon, May 14, 2018 at 05:36:22PM +0200, Andreas Gruenbacher wrote: > With that, the direct_IO address space operation can be all but > eliminated: only a dummy remains which indicates that the filesystem > supports direct I/O. And that dummy can be replaced with the generic noop_direct_IO helper. > + ret = filemap_write_and_wait_range(mapping, lstart, end); > + if (ret) > + goto out; We already do this call in the common code. > + if (iov_iter_rw(from) == WRITE) > + truncate_inode_pages_range(mapping, lstart, end); Why do you need the truncate_inode_pages_range call here instead of invalidate_inode_pages2_range that everyone else uses and that the iomap code already does for you?
next prev parent reply other threads:[~2018-05-15 7:27 UTC|newest] Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-05-14 15:36 [PATCH v4 00/11] gfs2 iomap write support Andreas Gruenbacher 2018-05-14 15:36 ` [PATCH v4 01/11] gfs2: Update find_metapath comment Andreas Gruenbacher 2018-05-14 15:36 ` [PATCH v4 02/11] gfs2: hole_size improvement Andreas Gruenbacher 2018-05-14 15:36 ` [PATCH v4 03/11] gfs2: gfs2_stuffed_write_end cleanup Andreas Gruenbacher 2018-05-14 15:36 ` [PATCH v4 04/11] gfs2: Remove ordered write mode handling from gfs2_trans_add_data Andreas Gruenbacher 2018-05-14 15:36 ` [PATCH v4 05/11] gfs2: Iomap cleanups and improvements Andreas Gruenbacher 2018-05-14 15:36 ` [PATCH v4 06/11] iomap: Add write_{begin,end} iomap operations Andreas Gruenbacher 2018-05-15 1:11 ` Dave Chinner 2018-05-15 7:22 ` Christoph Hellwig 2018-05-15 8:16 ` Andreas Gruenbacher 2018-05-18 16:04 ` Christoph Hellwig 2018-05-25 17:58 ` Andreas Grünbacher 2018-05-28 13:02 ` Christoph Hellwig 2018-05-14 15:36 ` [PATCH v4 07/11] gfs2: iomap buffered write support Andreas Gruenbacher 2018-05-14 15:36 ` [PATCH v4 08/11] gfs2: gfs2_extent_length cleanup Andreas Gruenbacher 2018-05-14 15:36 ` [PATCH v4 09/11] gfs2: iomap direct I/O support Andreas Gruenbacher 2018-05-15 7:31 ` Christoph Hellwig [this message] 2018-05-16 20:36 ` Andreas Gruenbacher 2018-05-14 15:36 ` [PATCH v4 10/11] gfs2: Remove gfs2_write_{begin,end} Andreas Gruenbacher 2018-05-14 15:36 ` [PATCH v4 11/11] iomap: Complete partial direct I/O writes synchronously Andreas Gruenbacher 2018-05-15 7:24 ` Christoph Hellwig 2018-05-16 20:27 ` Andreas Gruenbacher 2018-05-18 15:56 ` Christoph Hellwig 2018-05-18 18:35 ` Andreas Grünbacher
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