Re: [PATCH 01/17] pramfs: documentation

2011-01-11 Thread Roberto A. Foglietta
2011/1/8 Marco Stornelli marco.storne...@gmail.com: On 07/01/2011 22:59, Tony Luck wrote: On Fri, Jan 7, 2011 at 12:30 PM, Marco Stornelli marco.storne...@gmail.com wrote: constraint). About the errors: pramfs does not maintain file data in the page caches for normal file I/O, so no

Re: [PATCH 01/17] pramfs: documentation

2011-01-10 Thread Pavel Machek
On 07/01/2011 22:59, Tony Luck wrote: On Fri, Jan 7, 2011 at 12:30 PM, Marco Stornelli marco.storne...@gmail.com wrote: constraint). About the errors: pramfs does not maintain file data in the page caches for normal file I/O, so no writeback, the read/write operation are done with

Re: [PATCH 01/17] pramfs: documentation

2011-01-10 Thread Marco Stornelli
2011/1/10 Pavel Machek pa...@ucw.cz: On 07/01/2011 22:59, Tony Luck wrote: On Fri, Jan 7, 2011 at 12:30 PM, Marco Stornelli marco.storne...@gmail.com wrote: constraint). About the errors: pramfs does not maintain file data in the page caches for normal file I/O, so no writeback, the

RE: [PATCH 01/17] pramfs: documentation

2011-01-10 Thread Luck, Tony
You'd be better running ext2 over special block device, it is quite simple. Marco, You might want to spend some more time answering this question (it is a particularly good one). What are the reasons to use pramfs, rather than a ext2 over a mem-block driver. You covered some in your part 0

Re: [PATCH 01/17] pramfs: documentation

2011-01-10 Thread Marco Stornelli
Il 10/01/2011 18:35, Luck, Tony ha scritto: You'd be better running ext2 over special block device, it is quite simple. Marco, You might want to spend some more time answering this question (it is a particularly good one). What are the reasons to use pramfs, rather than a ext2 over a

Re: [PATCH 01/17] pramfs: documentation

2011-01-08 Thread Marco Stornelli
On 07/01/2011 22:59, Tony Luck wrote: On Fri, Jan 7, 2011 at 12:30 PM, Marco Stornelli marco.storne...@gmail.com wrote: constraint). About the errors: pramfs does not maintain file data in the page caches for normal file I/O, so no writeback, the read/write operation are done with direct io

Re: [PATCH 01/17] pramfs: documentation

2011-01-07 Thread Tony Luck
On Thu, Jan 6, 2011 at 4:01 AM, Marco Stornelli marco.storne...@gmail.com wrote: +accessed data that must survive system reboots and power cycles. An +example usage might be system logs under /var/log, or a user address +book in a cell phone or PDA. Some usage model questions: How do you

Re: [PATCH 01/17] pramfs: documentation

2011-01-07 Thread Marco Stornelli
Il 07/01/2011 19:42, Tony Luck ha scritto: On Thu, Jan 6, 2011 at 4:01 AM, Marco Stornelli marco.storne...@gmail.com wrote: +accessed data that must survive system reboots and power cycles. An +example usage might be system logs under /var/log, or a user address +book in a cell phone or PDA.

Re: [PATCH 01/17] pramfs: documentation

2011-01-07 Thread Tony Luck
On Fri, Jan 7, 2011 at 12:30 PM, Marco Stornelli marco.storne...@gmail.com wrote: constraint). About the errors: pramfs does not maintain file data in the page caches for normal file I/O, so no writeback, the read/write operation are done with direct io and they are always sync. The data are

[PATCH 01/17] pramfs: documentation

2011-01-06 Thread Marco Stornelli
From: Marco Stornelli marco.storne...@gmail.com Documentation for PRAMFS. Signed-off-by: Marco Stornelli marco.storne...@gmail.com --- diff --git a/Documentation/filesystems/pramfs.txt b/Documentation/filesystems/pramfs.txt new file mode 100644 index 000..2ad536f --- /dev/null +++