[GSoC] inotify and fs indexing service status

[Vishesh Yadav]

Hello,

inotify now supports all the flags and works. There is an issue with
ordering of IN_MOVED_TO and IN_MOVED_FROM events which isn't similar to
Linux behaviour. I will be spending this week testing and improving
existing work.

Vishesh

On 07/30/2012 09:01 PM, Vishesh Yadav wrote:
> Hello,
> 
> This week I worked on idr library and it now seems ready to work and is
> Linux compatible (except idr_pre_get() which takes one less argument than
> and the return codes.).
> 
> Vishesh
> 
> On Mon, Jul 23, 2012 at 2:50 PM, Vishesh Yadav <vishesh3y at gmail.com> wrote:
> 
>> Hello,
>>
>> This week I worked on finding and fixing few pending issues, and worked
>> on IN_MOVED_TO/IN_MOVED_FROM flags. I'm currertly working on binding
>> these two together using cookie parament in inotify_event which I'm
>> hoping should be completed by today or tomorrow.
>>
>> Vishesh
>>
>> On Mon, Jul 16, 2012 at 08:32:00AM +0530, Vishesh Yadav wrote:
>>> Date: Mon, 16 Jul 2012 08:32:00 +0530
>>> From: Vishesh Yadav <vishesh3y at gmail.com>
>>> To: kernel at crater.dragonflybsd.org
>>> Subject: Re: [GSoC] inotify and fs indexing service status
>>>
>>> Hello,
>>>
>>> This week I completed work on IN_CREATE and did some testing on inotify
>>> and found few bugs. IN_CREATE created some new bugs too on which I'm
>>> currently working on.
>>>
>>> Vishesh
>>>
>>> On 07/08/2012 09:41 PM, Vishesh Yadav wrote:
>>>> Hello,
>>>>
>>>> This week I worked on NOTE_CREATE and IN_MOVED_* flags. These flags
>>>> required some workaround as their behavior required a little more
>>>> information than what is offered by kevent. There were few more
>> problems
>>>> with this including the merging of events in kqueue for which I'm
>> trying to
>>>> find a viable solution.
>>>>
>>>> Vishesh
>>>>
>>>> On Tue, Jul 3, 2012 at 12:10 PM, Vishesh Yadav <vishesh3y at gmail.com>
>> wrote:
>>>>
>>>>> Hello,
>>>>>
>>>>> I wasn't able to put much work on code last week. Did some work on man
>>>>> pages.
>>>>>
>>>>> Vishesh
>>>>>
>>>>>
>>>>> On Tue, Jun 26, 2012 at 10:13 AM, Vishesh Yadav <vishesh3y at gmail.com
>>> wrote:
>>>>>
>>>>>> Hello,
>>>>>>
>>>>>> In fifth week I implement idr - integer management library using
>> code of
>>>>>> file descriptor allocators in kern_descrip.c. Worked to use the new
>> library
>>>>>> to be used with filedesc, however something or other didn't work
>> out. Will
>>>>>> be trying that again after looking at code more properly. Rest tested
>>>>>> existing work done till now which seems to work quite fine. There are
>>>>>> mainly two events left to handle IN_MOVED_TO and IN_MOVED_FROM,
>> which I'm
>>>>>> being able to detect however have to synchronise them both using
>> cookie
>>>>>> argument.
>>>>>>
>>>>>> Vishesh
>>>>>>
>>>>>>
>>>>>> On Mon, Jun 18, 2012 at 2:54 AM, Vishesh Yadav <vishesh3y at gmail.com
>>> wrote:
>>>>>>
>>>>>>> Hello,
>>>>>>>
>>>>>>> This week's status -
>>>>>>>
>>>>>>> * Added following notes for EVFILT_VNODE - NOTE_OPEN, NOTE_ACCESS,
>>>>>>> NOTE_CLOSE_WRITE, NOTE_CLOSE_NOWRITE, NOTE_CREATE. They work with
>> Hammer
>>>>>>> and UFS.
>>>>>>>
>>>>>>> * Implemented inotify_read() and have the most important masks
>> working.
>>>>>>> Hence now we have a working inotify system.
>>>>>>>
>>>>>>> Vishesh
>>>>>>>
>>>>>>> On 06/10/2012 11:42 PM, Vishesh Yadav wrote:
>>>>>>>> Hello,
>>>>>>>>
>>>>>>>> Not much new code this week. Improved and tested existing code,
>> exposed
>>>>>>>> watch/instance limits through sysctl and made the system respect
>> the
>>>>>>> limits.
>>>>>>>>
>>>>>>>> Rest studied kernel kqueue interface and its usage to be used in
>>>>>>>> inotify_read. Planned to add few knotes like NOTE_ACCESS,
>> NOTE_CLOSE
>>>>>>> and
>>>>>>>> linux like idr integer management that can be used in fdalloc and
>> watch
>>>>>>>> descriptors.
>>>>>>>>
>>>>>>>> Regards,
>>>>>>>> Vishesh
>>>>>>>>
>>>>>>>> On 06/03/2012 10:14 PM, Vishesh Yadav wrote:
>>>>>>>>> Hello,
>>>>>>>>>
>>>>>>>>> This week I finished watch management functions. Now watches can
>> be
>>>>>>> added,
>>>>>>>>> removed from into the inotify_instance. Hence inotify_add_watch,
>>>>>>>>> inotify_rm_watch are now almost complete. Just have to check error
>>>>>>> codes
>>>>>>>>> that are being returned. I also implemented fo_close for inotify
>>>>>>> fileops
>>>>>>>>> which cleans up the instance well now.
>>>>>>>>>
>>>>>>>>> Regards,
>>>>>>>>> Vishesh
>>>>>>>>>
>>>>>>>>> On Sat, May 26, 2012 at 7:07 PM, Vishesh Yadav <
>> vishesh3y at gmail.com>
>>>>>>> wrote:
>>>>>>>>>
>>>>>>>>>> Hello everyone,
>>>>>>>>>>
>>>>>>>>>> Current status for first week -
>>>>>>>>>>
>>>>>>>>>> - Repository and wiki setup at Github[1]
>>>>>>>>>> - Made the basic skeleton for inotify interface - system calls,
>>>>>>> helper
>>>>>>>>>> functions, structures, headers and few basic stuff in there.
>>>>>>>>>> - Currently working on management of watches (will be using
>> separate
>>>>>>>>>> file tables for watches). Once this is done, can write some
>> working
>>>>>>> code.
>>>>>>>>>>
>>>>>>>>>> In community bonding period, I setup my working environment,
>> browse
>>>>>>> and
>>>>>>>>>> understood relevant kernel codebase and studied Linux early and
>>>>>>> recent
>>>>>>>>>> inotify implementation.
>>>>>>>>>>
>>>>>>>>>> Now that exams are almost over, I hope I can catch up some pace
>> now.
>>>>>>>>>>
>>>>>>>>>> Regards,
>>>>>>>>>> Vishesh
>>>>>>>>>>
>>>>>>>>>> [1] https://github.com/vishesh/DragonFlyBSD/
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>>
>>
>> --
>>         -Vishesh
>>
>