From: Marco Stornelli marco.storne...@gmail.com
Inode operations for directories.
Signed-off-by: Marco Stornelli marco.storne...@gmail.com
---
diff -Nurp linux-2.6.36-orig/fs/pramfs/namei.c linux-2.6.36/fs/pramfs/namei.c
--- linux-2.6.36-orig/fs/pramfs/namei.c 1970-01-01 01:00:00.0 +0100
From: Marco Stornelli marco.storne...@gmail.com
Symlink operations.
Signed-off-by: Marco Stornelli marco.storne...@gmail.com
---
diff -Nurp linux-2.6.36-orig/fs/pramfs/symlink.c
linux-2.6.36/fs/pramfs/symlink.c
--- linux-2.6.36-orig/fs/pramfs/symlink.c 1970-01-01 01:00:00.0
+0100
From: Marco Stornelli marco.storne...@gmail.com
Definitions for the PRAMFS filesystem.
Signed-off-by: Marco Stornelli marco.storne...@gmail.com
---
diff -Nurp linux-2.6.36-orig/fs/pramfs/pram.h linux-2.6.36/fs/pramfs/pram.h
--- linux-2.6.36-orig/fs/pramfs/pram.h 1970-01-01 01:00:00.0
From: Marco Stornelli marco.storne...@gmail.com
File operations for directories.
Signed-off-by: Marco Stornelli marco.storne...@gmail.com
---
diff -Nurp linux-2.6.36-orig/fs/pramfs/dir.c linux-2.6.36/fs/pramfs/dir.c
--- linux-2.6.36-orig/fs/pramfs/dir.c 1970-01-01 01:00:00.0 +0100
From: Marco Stornelli marco.storne...@gmail.com
XIP operations.
Signed-off-by: Marco Stornelli marco.storne...@gmail.com
---
diff -Nurp linux-2.6.36-orig/fs/pramfs/xip.c linux-2.6.36/fs/pramfs/xip.c
--- linux-2.6.36-orig/fs/pramfs/xip.c 1970-01-01 01:00:00.0 +0100
+++ linux-2.6.36/fs
From: Marco Stornelli marco.storne...@gmail.com
ACL operations.
Signed-off-by: Marco Stornelli marco.storne...@gmail.com
---
diff -Nurp linux-2.6.36-orig/fs/pramfs/acl.c linux-2.6.36/fs/pramfs/acl.c
--- linux-2.6.36-orig/fs/pramfs/acl.c 1970-01-01 01:00:00.0 +0100
+++ linux-2.6.36/fs
From: Marco Stornelli marco.storne...@gmail.com
Extended attributes block descriptors tree.
Signed-off-by: Marco Stornelli marco.storne...@gmail.com
---
diff -Nurp linux-2.6.36-orig/fs/pramfs/desctree.c
linux-2.6.36/fs/pramfs/desctree.c
--- linux-2.6.36-orig/fs/pramfs/desctree.c 1970-01-01
From: Marco Stornelli marco.storne...@gmail.com
Memory write protection.
Signed-off-by: Marco Stornelli marco.storne...@gmail.com
---
diff -Nurp linux-2.6.36-orig/fs/pramfs/wprotect.c
linux-2.6.36/fs/pramfs/wprotect.c
--- linux-2.6.36-orig/fs/pramfs/wprotect.c 1970-01-01 01:00:00.0
From: Marco Stornelli marco.storne...@gmail.com
Test module.
Signed-off-by: Marco Stornelli marco.storne...@gmail.com
---
diff -Nurp linux-2.6.36-orig/fs/pramfs/pramfs_test.c
linux-2.6.36/fs/pramfs/pramfs_test.c
--- linux-2.6.36-orig/fs/pramfs/pramfs_test.c 1970-01-01 01:00:00.0
From: Marco Stornelli marco.storne...@gmail.com
Makefile and Kconfig.
Signed-off-by: Marco Stornelli marco.storne...@gmail.com
---
diff -Nurp linux-2.6.36-orig/fs/Makefile linux-2.6.36/fs/Makefile
--- linux-2.6.36-orig/fs/Makefile 2010-09-13 01:07:37.0 +0200
+++ linux-2.6.36/fs
2010/11/24 Paul Mundt let...@linux-sh.org:
On Sat, Nov 20, 2010 at 10:58:40AM +0100, Marco Stornelli wrote:
diff -Nurp linux-2.6.36-orig/fs/pramfs/file.c linux-2.6.36/fs/pramfs/file.c
--- linux-2.6.36-orig/fs/pramfs/file.c 1970-01-01 01:00:00.0
+0100
+++ linux-2.6.36/fs/pramfs
2010/11/24 Paul Mundt let...@linux-sh.org:
On Wed, Nov 24, 2010 at 09:11:13AM +0100, Marco Stornelli wrote:
2010/11/24 Paul Mundt let...@linux-sh.org:
most of this from ext2, I'm curious why you opted to hardcode this
instead of maintaining the flexibility that ext2 XIP has over
Hi all,
fifth round for the patch series. I summarize here the changes to
improve the review:
v5:
- removed the changelog from documentation file
- added the function pram_check_flags in the file operations
- added a check when the user uses XIP and the blocksize is different
from page size
-
From: Marco Stornelli marco.storne...@gmail.com
Inode methods (allocate/free/read/write).
Signed-off-by: Marco Stornelli marco.storne...@gmail.com
---
diff -Nurp linux-2.6.36-orig/fs/pramfs/inode.c linux-2.6.36/fs/pramfs/inode.c
--- linux-2.6.36-orig/fs/pramfs/inode.c 1970-01-01 01:00
From: Marco Stornelli marco.storne...@gmail.com
Block allocation operations.
Signed-off-by: Marco Stornelli marco.storne...@gmail.com
---
diff -Nurp linux-2.6.36-orig/fs/pramfs/balloc.c linux-2.6.36/fs/pramfs/balloc.c
--- linux-2.6.36-orig/fs/pramfs/balloc.c1970-01-01 01:00:00.0
From: Marco Stornelli marco.storne...@gmail.com
Extended attributes operations.
Signed-off-by: Marco Stornelli marco.storne...@gmail.com
---
diff -Nurp linux-2.6.36-orig/fs/pramfs/xattr.c linux-2.6.36/fs/pramfs/xattr.c
--- linux-2.6.36-orig/fs/pramfs/xattr.c 1970-01-01 01:00:00.0 +0100
From: Marco Stornelli marco.storne...@gmail.com
Makefile and Kconfig.
Signed-off-by: Marco Stornelli marco.storne...@gmail.com
---
diff -Nurp linux-2.6.36-orig/fs/Makefile linux-2.6.36/fs/Makefile
--- linux-2.6.36-orig/fs/Makefile 2010-09-13 01:07:37.0 +0200
+++ linux-2.6.36/fs
From: Marco Stornelli marco.storne...@gmail.com
Memory write protection.
Signed-off-by: Marco Stornelli marco.storne...@gmail.com
---
diff -Nurp linux-2.6.36-orig/fs/pramfs/wprotect.c
linux-2.6.36/fs/pramfs/wprotect.c
--- linux-2.6.36-orig/fs/pramfs/wprotect.c 1970-01-01 01:00:00.0
From: Marco Stornelli marco.storne...@gmail.com
Extended attributes block descriptors tree.
Signed-off-by: Marco Stornelli marco.storne...@gmail.com
---
diff -Nurp linux-2.6.36-orig/fs/pramfs/desctree.c
linux-2.6.36/fs/pramfs/desctree.c
--- linux-2.6.36-orig/fs/pramfs/desctree.c 1970-01-01
From: Marco Stornelli marco.storne...@gmail.com
Inode operations for directories.
Signed-off-by: Marco Stornelli marco.storne...@gmail.com
---
diff -Nurp linux-2.6.36-orig/fs/pramfs/namei.c linux-2.6.36/fs/pramfs/namei.c
--- linux-2.6.36-orig/fs/pramfs/namei.c 1970-01-01 01:00:00.0 +0100
From: Marco Stornelli marco.storne...@gmail.com
ACL operations.
Signed-off-by: Marco Stornelli marco.storne...@gmail.com
---
diff -Nurp linux-2.6.36-orig/fs/pramfs/acl.c linux-2.6.36/fs/pramfs/acl.c
--- linux-2.6.36-orig/fs/pramfs/acl.c 1970-01-01 01:00:00.0 +0100
+++ linux-2.6.36/fs
Hi all,
after several reviews is time to submit the code for mainline. Thanks to
CELF to believe and support actively the project and thanks to Tim Bird.
Here the stats:
Documentation/filesystems/pramfs.txt | 179 ++
Documentation/filesystems/xip.txt|2 +
arch/Kconfig
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
+++ b
From: Marco Stornelli marco.storne...@gmail.com
Super block operations.
Signed-off-by: Marco Stornelli marco.storne...@gmail.com
---
diff --git a/fs/pramfs/super.c b/fs/pramfs/super.c
new file mode 100644
index 000..0157b35
--- /dev/null
+++ b/fs/pramfs/super.c
@@ -0,0 +1,940
From: Marco Stornelli marco.storne...@gmail.com
Inode methods (allocate/free/read/write).
Signed-off-by: Marco Stornelli marco.storne...@gmail.com
---
diff --git a/fs/pramfs/inode.c b/fs/pramfs/inode.c
new file mode 100644
index 000..e5ee072
--- /dev/null
+++ b/fs/pramfs/inode.c
@@ -0,0
From: Marco Stornelli marco.storne...@gmail.com
File operations.
Signed-off-by: Marco Stornelli marco.storne...@gmail.com
---
diff --git a/fs/pramfs/file.c b/fs/pramfs/file.c
new file mode 100644
index 000..05a4af4
--- /dev/null
+++ b/fs/pramfs/file.c
@@ -0,0 +1,326 @@
+/*
+ * BRIEF
From: Marco Stornelli marco.storne...@gmail.com
Inode operations for directories.
Signed-off-by: Marco Stornelli marco.storne...@gmail.com
---
diff --git a/fs/pramfs/namei.c b/fs/pramfs/namei.c
new file mode 100644
index 000..bedc43a
--- /dev/null
+++ b/fs/pramfs/namei.c
@@ -0,0 +1,371
From: Marco Stornelli marco.storne...@gmail.com
Definitions for the PRAMFS filesystem.
Signed-off-by: Marco Stornelli marco.storne...@gmail.com
---
diff --git a/fs/pramfs/pram.h b/fs/pramfs/pram.h
new file mode 100644
index 000..85169c4
--- /dev/null
+++ b/fs/pramfs/pram.h
@@ -0,0 +1,269
From: Marco Stornelli marco.storne...@gmail.com
File operations for directories.
Signed-off-by: Marco Stornelli marco.storne...@gmail.com
---
diff --git a/fs/pramfs/dir.c b/fs/pramfs/dir.c
new file mode 100644
index 000..cf0bcba
--- /dev/null
+++ b/fs/pramfs/dir.c
@@ -0,0 +1,208
From: Marco Stornelli marco.storne...@gmail.com
ACL operations.
Signed-off-by: Marco Stornelli marco.storne...@gmail.com
---
diff --git a/fs/pramfs/acl.c b/fs/pramfs/acl.c
new file mode 100644
index 000..53090a5
--- /dev/null
+++ b/fs/pramfs/acl.c
@@ -0,0 +1,433 @@
+/*
+ * BRIEF DESCRIPTION
From: Marco Stornelli marco.storne...@gmail.com
Extended attributes operations.
Signed-off-by: Marco Stornelli marco.storne...@gmail.com
---
diff --git a/fs/pramfs/xattr.c b/fs/pramfs/xattr.c
new file mode 100644
index 000..44d158e
--- /dev/null
+++ b/fs/pramfs/xattr.c
@@ -0,0 +1,1104
From: Marco Stornelli marco.storne...@gmail.com
Extended attributes block descriptors tree.
Signed-off-by: Marco Stornelli marco.storne...@gmail.com
---
diff --git a/fs/pramfs/desctree.c b/fs/pramfs/desctree.c
new file mode 100644
index 000..4508e70
--- /dev/null
+++ b/fs/pramfs/desctree.c
From: Marco Stornelli marco.storne...@gmail.com
Memory write protection.
Signed-off-by: Marco Stornelli marco.storne...@gmail.com
---
diff --git a/fs/pramfs/wprotect.c b/fs/pramfs/wprotect.c
new file mode 100644
index 000..d0f0508
--- /dev/null
+++ b/fs/pramfs/wprotect.c
@@ -0,0 +1,41
From: Marco Stornelli marco.storne...@gmail.com
Test module.
Signed-off-by: Marco Stornelli marco.storne...@gmail.com
---
diff --git a/fs/pramfs/pramfs_test.c b/fs/pramfs/pramfs_test.c
new file mode 100644
index 000..24e016f
--- /dev/null
+++ b/fs/pramfs/pramfs_test.c
@@ -0,0 +1,47
Il 06/01/2011 15:03, Peter Zijlstra ha scritto:
On Thu, 2011-01-06 at 13:00 +0100, Marco Stornelli wrote:
Hi all,
after several reviews is time to submit the code for mainline. Thanks to
CELF to believe and support actively the project and thanks to Tim Bird.
Tony Luck was also playing
Il 06/01/2011 19:22, Luck, Tony ha scritto:
Errata corrige: maybe I used the wrong term, I meant volatile instead
of temporary information, i.e. I'd like to save this info to re-read
it later but I don't want to store it in flash, a simple log, run-time
information for debug like a
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
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
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 read
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
From: Marco Stornelli marco.storne...@gmail.com
XIP doesn't depend on block symbol, then we can reorder the Kconfig.
For ext2 doesn't change the Kconfig behavior but if other fs will use
FS_XIP it won't need to include block support if not needed.
Signed-off-by: Marco Stornelli marco.storne
2011/2/6 Randy Dunlap rdun...@xenotime.net:
On Sun, 06 Feb 2011 16:15:00 +0100 Marco Stornelli wrote:
From: Marco Stornelli marco.storne...@gmail.com
XIP doesn't depend on block symbol, then we can reorder the Kconfig.
For ext2 doesn't change the Kconfig behavior but if other fs will use
Il 11/04/2011 16:02, Constantine Shulyupin ha scritto:
Hello all,
Make Linux Software presents the fastest ever embedded Linux boot for
720 MHz ARM and NAND flash memory. Linux boot time is 300 milliseconds
from boot loader to shell. The first goal of the project is to achieve
a minimal boot
Il 13/04/2011 16:53, Constantine Shulyupin ha scritto:
Thank you Marco for your feedback. I've added summary of used
optimization method:
• Reduction of kernel and filesystem size
• Kernel features: naked boot, initrd without compression
• Optimization of NAND flash interface in boot loader
•
Il 29/08/2012 17:18, Brad Arnold ha scritto:
Hi,
I'm working on an embedded board which uses u-boot + linux. At
manufacturing time, the device serial number will be programmed into OTP
memory on NAND (probably from within u-boot). We'd like the linux kernel
to make this serial number available
Il 29/08/2012 18:57, Brad Arnold ha scritto:
That'll help me move along. I'm currently storing the mac and serial in
the u-boot environment, but I was thinking I might want to move those two
to the OTP. But at least having some level of write protection in u-boot
is nice. I wasn't aware that
Il 02/08/2013 14:13, Michael Schnell ha scritto:
On 08/02/2013 01:42 PM, Robert Schwebel wrote:
Before hacking around (which might also lead to interesting solutions),
I would start using a kernel with preempt-rt support and play with the
cpu affinity:
Il 02/08/2013 17:24, Michael Schnell ha scritto:
On 08/02/2013 04:53 PM, Marco Stornelli wrote:
- how to assign an interrupt (e.g. a dedicated timer) to the
subsystem ?
Interrupt handler are kernel thread, so you can schedule your kernel
thread on your normal cpu.
Sorry. I don't
Il 02/08/2013 18:00, Michael Schnell ha scritto:
On 08/02/2013 05:37 PM, Marco Stornelli wrote:
I don't know your hw so my consideration are really general.
The hardware is not decided yet (it will be some A9 thingy). So for me
really general is just fine.
ISRs in rt kernel doesn't exist
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