Re: [GSoC] inotify and fs indexing service status

[Vishesh Yadav <vishesh3y@xxxxxxxxx>]

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@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@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@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@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/
>>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>>
>>>
>>
>