Re: block discard.

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Fri, 2008-08-08 at 15:05 +0100, David Woodhouse wrote:
> On Fri, 2008-08-08 at 09:56 -0400, Chris Mason wrote:
> > So you mkfs ; dd large file ; rm large file ; look for discards?
> > 
> > Try rm large file ; sync ; sync; look for discards
> 
> Yeah, I did that. The actual data extent isn't getting removed.

Oh, you really did mean _two_ syncs. And then yes, I see why it isn't
working; mea culpa.

__free_extent for 0xc00000-0xc65000
num_bytes 413696, map_length 8388608, stripes 1
Discard from stripe 0: 24576-808
bio too big device ftla (808 > 255)

-- 
David Woodhouse                            Open Source Technology Centre
David.Woodhouse@xxxxxxxxx                              Intel Corporation



--
To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Linux Filesystem Development]     [Linux NFS]     [Linux NILFS]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux