Re: Classic confusion: initrd-initramfs

2009-10-08 Thread ajit mote
On Thu, Oct 8, 2009 at 8:49 AM, Rajat Jain wrote: > > Hi, > > OK, I know enough has already been discussed on this topic and I think > that I'm just not able to put pieces in place. So I understand the basic > difference between an initrd (having a filesystem on a block /loopback > device and mou

Re: ext3 structure mapping to block device

2009-08-16 Thread ajit mote
On Mon, Aug 17, 2009 at 11:38 AM, Manish Katiyar wrote: > On Mon, Aug 17, 2009 at 11:06 AM, ajit mote > wrote: > > > > Hello, > > > > I would like to know how file system structures are mapped to hard disk > > sector. > > Each filesystem deals i

ext3 structure mapping to block device

2009-08-16 Thread ajit mote
Hello, I would like to know how file system structures are mapped to hard disk sector. My goal is to understand how file system is created on block device and how superblocks are mapped to hard disk sectors. I am not sure whether I stated the problem precisely or not but if I did not described it

Re: determine SCSI HBA

2009-07-19 Thread ajit mote
Along with /proc/scsi/scsi , /var/log/dmesg file will help U ... you can also use systool to get more detailed information the HBA cards present on system On Sun, Jul 19, 2009 at 8:27 PM, Pranav Sawargaonkar < pranav.sawargaon...@gmail.com> wrote: > > > On Sat, Jul 18, 2009 at 11:57 AM, Lee

Re: what are the differences between rootfs, romfs and tmpfs?

2009-01-20 Thread ajit mote
~/Documentation/filesystems directory has romfs.txt and tmpfs.txt , may you find them useful ... On Wed, Jan 21, 2009 at 10:12 AM, loody wrote: > Dear all: > while tracing the kernel about initrd and google any information about > this topic, there are some terms like rootfs, romfs and tmpfs?

Re: doubt in USB

2009-01-20 Thread ajit mote
Hello, > What is usbcore module? > > what is uhci-hcd module? > go through following : http://www.lrr.in.tum.de/Par/arch/usb/usbdoc/node14.html > in this two which is the usb device driver? > > why this two drivers are needed to make usb port work...? > After reading above article , yo wi

Re: Happy New Year 2009!

2009-01-01 Thread ajit mote
-- Happy New Year -- Hope Linux will bring more innovative idea this year -- Happy New Year -- 2009/1/1 Wang Yu > Happy 牛 Year to all of the world! > > > On Thu, Jan 1, 2009 at 10:25 AM, StephanT wrote: > >> >> __To all of you and your low

Re: Freezing File Systems

2008-12-31 Thread ajit mote
Hello, I want to freeze a file system. I have seen a field in vfs superblock > s_frozen. > > But i am clue less about freezing the file system using that. > freeze_bdev function ( fs/buffer.c) lock a filesystem and force it into a consistent state ... Above function use s_frozen flag to freez th

Re: Kernel development environment

2008-12-30 Thread ajit mote
Hello, On Wed, Dec 31, 2008 at 9:11 AM, pradeep singh wrote: > On Wed, Dec 31, 2008 at 4:20 AM, Stephen Roberts > wrote: > > Hi guys, > > I'm interested to hear about your development environments. Do you use a > > seperate PC to your development one for to use for testing your kernel? > Or > >

Re: Where is the mkinitrd command ?

2008-12-30 Thread ajit mote
Can you elaborate the question with more details On Tue, Dec 30, 2008 at 6:57 PM, Mark Ryden wrote: > Hello, > Sorry, it seems to me that I was misunderstood. > > I also made that grep and got these results. > This does not explain a simple question: > when running "make modules_install",

Re: what different btw the owner uid and creator id of semaphore

2008-12-25 Thread ajit mote
> > How can I know who own the semaphore at one moment? > ipcs -s >>> 'cat /proc/sysvipc/sem' should be same. >>> >>> > On Thu, Dec 25, 2008 at 12:26 AM, shark huang wrote: > >> Hi: is the value of cuid and uid always same? Looks like they only >>

Re: what different btw the owner uid and creator id of semaphore

2008-12-25 Thread ajit mote
On Fri, Dec 26, 2008 at 10:34 AM, shark huang wrote: > Hi: > Thanks. > > On Fri, Dec 26, 2008 at 12:05 PM, ajit mote wrote: > >> >> >> On Thu, Dec 25, 2008 at 7:39 AM, shark huang wrote: >> >>> How can I know who own the semaphore at one moment

Re: what different btw the owner uid and creator id of semaphore

2008-12-25 Thread ajit mote
On Thu, Dec 25, 2008 at 7:39 AM, shark huang wrote: > How can I know who own the semaphore at one moment? > ipcs -s > On Thu, Dec 25, 2008 at 12:26 AM, shark huang wrote: > >> Hi: is the value of cuid and uid always same? Looks like they only are >> given a same value in function "ipc_addid"

Re: Problem with Modules

2008-12-24 Thread ajit mote
On Wed, Dec 24, 2008 at 1:42 PM, Erik Mouw wrote: > On Wed, 24 Dec 2008 06:44:25 +0530 (IST) niamathullah sharief > wrote: > > Please break lines at about 72 characters, that makes your message so > much easier to read. > > > Hi friends This is Dilip...i tried to install the below modules b

Re: change DMA size

2008-12-22 Thread ajit mote
On Thu, Dec 18, 2008 at 11:56 AM, ajit mote wrote: > Hello, > > How can I increase the size of the memory that is allocated by the kernel > for DMA transfers? > after googling and greping through kernel source code , i guess this value is hard coded and can be changed afte

change DMA size

2008-12-17 Thread ajit mote
Hello, How can I increase the size of the memory that is allocated by the kernel for DMA transfers? Thanks Ajit Mote

Re: A interesting problem of C programming

2008-06-18 Thread ajit mote
Hello all, i tried the given code snippet and found 'null' output both the time ... compiled and run using gcc (GCC) 3.4.3 20041212 (Red Hat 3.4.3-9.EL4) ... Regards, Ajit Mote. On Wed, Jun 18, 2008 at 3:22 PM, Wang Yu <[EMAIL PROTECTED]> wrote: > Hi, all >