Re: [PATCH V12 03/20] block: remove the "cluster" flag

2018-11-26 Thread Omar Sandoval
On Mon, Nov 26, 2018 at 10:17:03AM +0800, Ming Lei wrote: > From: Christoph Hellwig > > The cluster flag implements some very old SCSI behavior. As far as I > can tell the original intent was to enable or disable any kind of > segment merging. But the actually visible effect to the LLDD is that

[PATCH V12 03/20] block: remove the "cluster" flag

2018-11-25 Thread Ming Lei
From: Christoph Hellwig The cluster flag implements some very old SCSI behavior. As far as I can tell the original intent was to enable or disable any kind of segment merging. But the actually visible effect to the LLDD is that it limits each segments to be inside a single page, which we can al