Re: fiemap is broken for sparse file in ext4?

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From: Eric Sandeen

Subject: Re: fiemap is broken for sparse file in ext4?

Date: Friday, June 11, 2010 - 8:46 am

Tao Ma wrote:

quoted text>> What are you using to call fiemap?  Here it seems to be working:
> I just wrote a simple test program by calling ioctl. It is attached.
> btw, you need to call it immediately after dd so that we have a chance
> that ext4 don't have time to allocate extents. ;)

OK I take it back, I do see it.  *cough* too many different filesystems
on this box ... ;)

Yes, it does look like a bug.

-Eric

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Messages in current thread:

fiemap is broken for sparse file in ext4?, Tao Ma, (Thu Jun 10, 7:15 pm)

Re: fiemap is broken for sparse file in ext4?, Eric Sandeen, (Thu Jun 10, 9:08 pm)

Re: fiemap is broken for sparse file in ext4?, Tao Ma, (Thu Jun 10, 10:05 pm)

Re: fiemap is broken for sparse file in ext4?, Eric Sandeen, (Fri Jun 11, 6:43 am)

Re: fiemap is broken for sparse file in ext4?, Eric Sandeen, (Fri Jun 11, 8:46 am)

Re: fiemap is broken for sparse file in ext4?, Greg Freemyer, (Fri Jun 11, 9:46 am)

Re: fiemap is broken for sparse file in ext4?, Eric Sandeen, (Fri Jun 11, 9:56 am)

Re: fiemap is broken for sparse file in ext4?, Tao Ma, (Fri Jun 11, 4:46 pm)


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