Hi prasad, On 12/24/05, prasad Musale <prasad.musale@xxxxxxxxx> wrote:>>>> On 12/24/05, Parag N(पराग़) <panemade@xxxxxxxxx> wrote:> > Hi prasad,> > On 12/23/05, prasad Musale <prasad.musale@xxxxxxxxx > wrote:> > > Friends,> > > I am doing my final year project on filesystem RAIF(Redundant array of> > > independent file systems). I want to study the basic design of file> system> > > using ramfs. I am inserting functions step by step & also inserting> printk ,> > > so that i can find the flow of particular commands like mkdir or> functions> > > like open,read etc. Even though i can use these functions from> fs/inode.c i> > > don't want to disturb kernel code every time, which will require to> compile> > > kernel every time. By using only specific code in my file i can> precisely> > > understand the working. But now i am stuck at this point. Do u know any> > > better solution? Plz convey me.> >> > why dont you try strace commad? i dont know how much it will help> > you but its very good command to find which C library functions are> > called by any command on linux.> > and if you want in kernel, tracing the flow of any function/command> > you can use http://lxr.linux.no/ and easily check which functions are> > calling which other functions.> >> > >> > >> > >> > >> > > On 12/23/05, Parag N(पराग़) <panemade@xxxxxxxxx > wrote:> > > > Hi,> > > > You added 2 functions alloc_inode and new_inode from> > > > /usr/src/linux/fs/inode.c to /usr/src/linux/fs/ramfs . You add> > > > alloc_inode because new_inode requires it ok.> > > > but why you want to do that as i think already new_inode in> > > > /usr/src/linux/fs/ramfs/inode.c calling its function definition from> > > > /usr/src/linux/fs/inode.c> > > > so you can directly recompile kernel with ramfs support(which is> > > > default in 2.6.14.3) and insert module.> > > > regards,> > > > Parag.> > > >> > > > On 12/22/05, prasad Musale < prasad.musale@xxxxxxxxx> wrote:> > > > > Hello friends,> > > > > I have problem with inserting a ramfs module.> I> > > > > have changed the inode.c file in /usr/src/linux/fs/ramfs. I am> > > > > inserting the alloc_inode & new_inode function from the> > > > > /usr/src/linux/fs/inode.c file. I am just checking how ramfs work.> > > > > Though compilation works, insertion of modul gives error:> > > > > Error inserting module: -1 unknown variable.> > > > > I have run ramfs code without those 2 functions. But now it's giving> > > > > problem.It shows no error at compilation. I have even tried to> > > > > recompile kernel, but no use. Will u plz help me as early as> possible.> > > > >> > > > > Thanks.> > > > >> > > > > --> > > > > Kernelnewbies: Help each other learn about the Linux kernel.> > > > > Archive:> http://mail.nl.linux.org/kernelnewbies/> > > > > FAQ: http://kernelnewbies.org/faq/> > > > >> > > > >> > > >> > >> > >> > Regards,> > Parag.> >>>>> Thanks for ur suggestions. I already have LXR on my comp & i am also reading> from it. But to verify run time behaviour I have to run the module. I have> completed the original ramfs code with printk in it & it runs successfully.> But for understanding purpose I want to go down in code hierarchy by> insering the various functions, which is not possible when I tries to insert> new_inode & alloc_inode. Even I get warning when I inserted> init_special_inode(). It's giving warning for> def_chr_fops,def_blk_fops,def_fifo_fops not defined, which is present in> file fs/inode.c. If I tries to insert those specific files which contains> above declaration like fs/char_dev.c it's creating more problems of multiple> declaration.> If there is no solution I will study it from LXR.But plz tell me what that> error tells.Means if it's compiled successfully, why it's giving error at> the time of inserting module?>> Thanks.> Can you give ur source of module or atleast paste output of errors sothat i can check it. without knowing that thing how can anybody cometo any conclusion?regards,Parag.��������!���W��v������ޗ��{��f���� ��ޖw�n'�������Y�����
