Re: [Cluster-devel] always fall back to buffered I/O after invalidation failures, was: Re: [PATCH 2/6] iomap: IOMAP_DIO_RWF_NO_STALE_PAGECACHE return if page invalidation fails

2020-07-07 Thread Darrick J. Wong
On Tue, Jul 07, 2020 at 08:49:52AM -0500, Goldwyn Rodrigues wrote: > On 13:57 07/07, Matthew Wilcox wrote: > > On Tue, Jul 07, 2020 at 07:43:46AM -0500, Goldwyn Rodrigues wrote: > > > On 9:53 01/07, Christoph Hellwig wrote: > > > > On Mon, Jun 29, 2020 at 02:23:49PM -0500, Goldwyn Rodrigues

Re: [Cluster-devel] always fall back to buffered I/O after invalidation failures, was: Re: [PATCH 2/6] iomap: IOMAP_DIO_RWF_NO_STALE_PAGECACHE return if page invalidation fails

2020-07-07 Thread Goldwyn Rodrigues
On 7:01 07/07, Darrick J. Wong wrote: > On Tue, Jul 07, 2020 at 08:49:52AM -0500, Goldwyn Rodrigues wrote: > > On 13:57 07/07, Matthew Wilcox wrote: > > > On Tue, Jul 07, 2020 at 07:43:46AM -0500, Goldwyn Rodrigues wrote: > > > > On 9:53 01/07, Christoph Hellwig wrote: > > > > > On Mon, Jun 29,

Re: [Cluster-devel] always fall back to buffered I/O after invalidation failures, was: Re: [PATCH 2/6] iomap: IOMAP_DIO_RWF_NO_STALE_PAGECACHE return if page invalidation fails

2020-07-07 Thread Goldwyn Rodrigues
On 13:57 07/07, Matthew Wilcox wrote: > On Tue, Jul 07, 2020 at 07:43:46AM -0500, Goldwyn Rodrigues wrote: > > On 9:53 01/07, Christoph Hellwig wrote: > > > On Mon, Jun 29, 2020 at 02:23:49PM -0500, Goldwyn Rodrigues wrote: > > > > From: Goldwyn Rodrigues > > > > > > > > For direct I/O, add the

Re: [Cluster-devel] always fall back to buffered I/O after invalidation failures, was: Re: [PATCH 2/6] iomap: IOMAP_DIO_RWF_NO_STALE_PAGECACHE return if page invalidation fails

2020-07-07 Thread Matthew Wilcox
On Tue, Jul 07, 2020 at 07:43:46AM -0500, Goldwyn Rodrigues wrote: > On 9:53 01/07, Christoph Hellwig wrote: > > On Mon, Jun 29, 2020 at 02:23:49PM -0500, Goldwyn Rodrigues wrote: > > > From: Goldwyn Rodrigues > > > > > > For direct I/O, add the flag IOMAP_DIO_RWF_NO_STALE_PAGECACHE to indicate

Re: [Cluster-devel] always fall back to buffered I/O after invalidation failures, was: Re: [PATCH 2/6] iomap: IOMAP_DIO_RWF_NO_STALE_PAGECACHE return if page invalidation fails

2020-07-07 Thread Goldwyn Rodrigues
On 9:53 01/07, Christoph Hellwig wrote: > On Mon, Jun 29, 2020 at 02:23:49PM -0500, Goldwyn Rodrigues wrote: > > From: Goldwyn Rodrigues > > > > For direct I/O, add the flag IOMAP_DIO_RWF_NO_STALE_PAGECACHE to indicate > > that if the page invalidation fails, return back control to the > >

Re: [Cluster-devel] always fall back to buffered I/O after invalidation failures, was: Re: [PATCH 2/6] iomap: IOMAP_DIO_RWF_NO_STALE_PAGECACHE return if page invalidation fails

2020-07-07 Thread Christoph Hellwig
On Tue, Jul 07, 2020 at 01:57:05PM +0100, Matthew Wilcox wrote: > On Tue, Jul 07, 2020 at 07:43:46AM -0500, Goldwyn Rodrigues wrote: > > On 9:53 01/07, Christoph Hellwig wrote: > > > On Mon, Jun 29, 2020 at 02:23:49PM -0500, Goldwyn Rodrigues wrote: > > > > From: Goldwyn Rodrigues > > > > > > >