Re: [PATCH] allow strictatime to be set as a global default

2015-12-18 Thread Mandeep Sandhu
Ah yes...now it makes sense! :) The current 'word of caution' (about increased I/O load on block devices), seems mild IMHO. Maybe we should we have a stricter warning...something like enabling this option might be harmful to the life of your block device (due to excessive writes) and will also lea

Re: [PATCH] allow strictatime to be set as a global default

2015-12-18 Thread Raymond Jennings
On Fri, Dec 18, 2015 at 10:50 AM, Mandeep Sandhu wrote: > You've removed the strictatime option altogether. So how does that > satisfy people who _do_ want it? ...actually it looks like I was an idiot and got my diff backwards when I pulled it out of git :P Here's the correct version. diff --

Re: [PATCH] allow strictatime to be set as a global default

2015-12-18 Thread Mandeep Sandhu
You've removed the strictatime option altogether. So how does that satisfy people who _do_ want it? Is there some other option that will enable it? Just curious. -mandeep On Fri, Dec 18, 2015 at 6:42 AM, Raymond Jennings wrote: > I'm aware of a little tiff regarding strictatime in the past, an

Re: Customizing UIO mmap'ing

2015-12-18 Thread Kenneth Adam Miller
On Fri, Dec 18, 2015 at 9:20 AM, Henry Gomersall < henry.gomers...@smartacoustics.co.uk> wrote: > On 18/12/15 14:15, Kenneth Adam Miller wrote: > > > On Fri, Dec 18, 2015 at 7:05 AM, Henry Gomersall < > henry.gomers...@smartacoustics.co.uk> wrote: > >> On 17/12/15 21:35, Kenneth Adam Miller wrote:

[PATCH] allow strictatime to be set as a global default

2015-12-18 Thread Raymond Jennings
I'm aware of a little tiff regarding strictatime in the past, and I think I came up with a patch that might help everyone get what they want. I'm already using it myself. I've had some review on #kernelnewbies for technical issues, how does this look? --- diff --git a/fs/Kconfig b/fs/Kconfig

Re: Customizing UIO mmap'ing

2015-12-18 Thread Henry Gomersall
On 18/12/15 14:15, Kenneth Adam Miller wrote: > > On Fri, Dec 18, 2015 at 7:05 AM, Henry Gomersall > > wrote: > > On 17/12/15 21:35, Kenneth Adam Miller wrote: >> Generally uio_dmem_genirq.c builds on top of uio.c, which >> provides a common

Re: Customizing UIO mmap'ing

2015-12-18 Thread Kenneth Adam Miller
On Fri, Dec 18, 2015 at 7:05 AM, Henry Gomersall < henry.gomers...@smartacoustics.co.uk> wrote: > On 17/12/15 21:35, Kenneth Adam Miller wrote: > > Generally uio_dmem_genirq.c builds on top of uio.c, which provides a > common module basis for isolating code common to the other specific > modules.

Re: Customizing UIO mmap'ing

2015-12-18 Thread Henry Gomersall
On 17/12/15 21:35, Kenneth Adam Miller wrote: > Generally uio_dmem_genirq.c builds on top of uio.c, which provides a > common module basis for isolating code common to the other specific > modules. But for a specific purpose, uio_dmem_genirq.c has be either > customized or extended in order that sp