Re: [PATCH v2] fstests: generic/018: expand write backwards sync but contiguous to test regression in btrfs

2015-08-18 Thread Liu Bo
Hi, Sorry for the late reply. On Fri, Aug 14, 2015 at 10:19:16AM -0500, Eric Sandeen wrote: On 8/13/15 3:47 AM, Liu Bo wrote: Btrfs has a problem when defraging a file which has a large fragment'ed range, it'd leave the tail extent as a seperate extent instead of merging it with

Re: [PATCH v2] fstests: generic/018: expand write backwards sync but contiguous to test regression in btrfs

2015-08-16 Thread Dave Chinner
On Fri, Aug 14, 2015 at 10:19:16AM -0500, Eric Sandeen wrote: On 8/13/15 3:47 AM, Liu Bo wrote: Btrfs has a problem when defraging a file which has a large fragment'ed range, it'd leave the tail extent as a seperate extent instead of merging it with previous extents. This makes

Re: [PATCH v2] fstests: generic/018: expand write backwards sync but contiguous to test regression in btrfs

2015-08-14 Thread Eric Sandeen
On 8/13/15 3:47 AM, Liu Bo wrote: Btrfs has a problem when defraging a file which has a large fragment'ed range, it'd leave the tail extent as a seperate extent instead of merging it with previous extents. This makes generic/018 recognize the above regression. Sorry for the late review, but

Re: [PATCH v2] fstests: generic/018: expand write backwards sync but contiguous to test regression in btrfs

2015-08-13 Thread Filipe David Manana
On Thu, Aug 13, 2015 at 10:43 AM, Filipe David Manana fdman...@gmail.com wrote: On Thu, Aug 13, 2015 at 9:47 AM, Liu Bo bo.li@oracle.com wrote: Btrfs has a problem when defraging a file which has a large fragment'ed range, it'd leave the tail extent as a seperate extent instead of merging

Re: [PATCH v2] fstests: generic/018: expand write backwards sync but contiguous to test regression in btrfs

2015-08-13 Thread Filipe David Manana
On Thu, Aug 13, 2015 at 9:47 AM, Liu Bo bo.li@oracle.com wrote: Btrfs has a problem when defraging a file which has a large fragment'ed range, it'd leave the tail extent as a seperate extent instead of merging it with previous extents. This makes generic/018 recognize the above