directory entry

[Manish Katiyar]

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
>
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>



-- 
Thanks -
Manish