directory entry

[mohit verma]

thanks guys....

On Tue, Feb 15, 2011 at 10:56 PM, Manish Katiyar <mkatiyar at gmail.com> wrote:

> On Tue, Feb 15, 2011 at 3:47 AM, mohit verma <mohit89mlnc at gmail.com>
> wrote:
> >
> > thanks rajat  but i need it in kernel space.
>
> In the kernel space too idea would be same. You get the directory's
> page and depending on the filesystem you advance by a particular
> offset in that page. For example look at ext2_readdir() and how it
> finds the next entry by
> incrementing offsets by ext2_rec_len_from_disk() .
>
>
> > On Tue, Feb 15, 2011 at 5:00 PM, Rajat Sharma <fs.rajat at gmail.com>
> wrote:
> >>
> >> well just do a readdir and count yourself where you find a match!!
> >>
> >> -Rajat
> >>
> >> On Tue, Feb 15, 2011 at 4:44 PM, mohit verma <mohit89mlnc at gmail.com>
> >> wrote:
> >> > hi all,
> >> > is there any way to find out the offset or the directory entry number
> of
> >> > a
> >> > file in the directory ?
> >> >
> >> > let me explain a bit more:
> >> >
> >> > when we open a drectory via open(2) and find out the directory entry
> by
> >> > readdir(2,3) or getdents(2) it automatically increases to the next
> >> > directory entry and fills in the dirent structure.
> >> > but in kernel space , let we have the parent directory name and child
> of
> >> > it
> >> > . so is there any way to figure out at what  offset or what number
> >> > (exactly)
> >> > that perticular child will occur in the directory contains?
> >> >
> >> > --
> >> > ........................
> >> > MOHIT VERMA
> >> >
> >> > _______________________________________________
> >> > Kernelnewbies mailing list
> >> > Kernelnewbies at kernelnewbies.org
> >> > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
> >> >
> >> >
> >
> >
> >
> > --
> > ........................
> > MOHIT VERMA
> >
> > _______________________________________________
> > Kernelnewbies mailing list
> > Kernelnewbies at kernelnewbies.org
> > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
> >
> >
>
>
>
> --
> Thanks -
> Manish
>



-- 
........................
*MOHIT VERMA*
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.kernelnewbies.org/pipermail/kernelnewbies/attachments/20110215/6189e677/attachment.html