Re: Idea on compatibility for old distributions

2016-05-12 Thread David Sterba
On Thu, May 12, 2016 at 04:51:22PM +0800, Qu Wenruo wrote: > David Sterba wrote on 2016/05/12 10:37 +0200: > > On Thu, May 12, 2016 at 08:57:47AM +0800, Qu Wenruo wrote: > >> Thanks for the info. > >> > >> I also read the phoronix news yesterday. > >> So for RHEL6 that's meaningless. > >> > >> But

Re: Idea on compatibility for old distributions

2016-05-12 Thread Qu Wenruo
David Sterba wrote on 2016/05/12 10:37 +0200: On Thu, May 12, 2016 at 08:57:47AM +0800, Qu Wenruo wrote: Thanks for the info. I also read the phoronix news yesterday. So for RHEL6 that's meaningless. But I'm not sure whether it's still meaningless for OpenSUSE, maybe David has some plan on

Re: Idea on compatibility for old distributions

2016-05-12 Thread David Sterba
On Thu, May 12, 2016 at 08:57:47AM +0800, Qu Wenruo wrote: > Thanks for the info. > > I also read the phoronix news yesterday. > So for RHEL6 that's meaningless. > > But I'm not sure whether it's still meaningless for OpenSUSE, maybe > David has some plan on it? No plans. -- To unsubscribe

Re: Idea on compatibility for old distributions

2016-05-11 Thread Qu Wenruo
Thanks for the info. I also read the phoronix news yesterday. So for RHEL6 that's meaningless. But I'm not sure whether it's still meaningless for OpenSUSE, maybe David has some plan on it? Thanks, Qu Eric Sandeen wrote on 2016/05/10 15:23 -0500: On 5/9/16 8:16 PM, Qu Wenruo wrote: Hi

Re: Idea on compatibility for old distributions

2016-05-10 Thread Eric Sandeen
On 5/9/16 8:16 PM, Qu Wenruo wrote: > Hi David, Mark, > > In the recent test for new btrfs-convert backward compatibility, I > found that cmds-fi-du.c uses FIEMAP_EXTENT_SHARED bits, which is not > present in kernel of old distributions like RHEL6 (Sorry, didn't test > on openSUSE equivalent).

Re: Idea on compatibility for old distributions

2016-05-09 Thread Qu Wenruo
Mark Fasheh wrote on 2016/05/09 18:52 -0700: On Tue, May 10, 2016 at 09:16:04AM +0800, Qu Wenruo wrote: In the recent test for new btrfs-convert backward compatibility, I found that cmds-fi-du.c uses FIEMAP_EXTENT_SHARED bits, which is not present in kernel of old distributions like RHEL6

Re: Idea on compatibility for old distributions

2016-05-09 Thread Mark Fasheh
On Tue, May 10, 2016 at 09:16:04AM +0800, Qu Wenruo wrote: > In the recent test for new btrfs-convert backward compatibility, I > found that cmds-fi-du.c uses FIEMAP_EXTENT_SHARED bits, which is not > present in kernel of old distributions like RHEL6 (Sorry, didn't > test on openSUSE equivalent).

Idea on compatibility for old distributions

2016-05-09 Thread Qu Wenruo
Hi David, Mark, In the recent test for new btrfs-convert backward compatibility, I found that cmds-fi-du.c uses FIEMAP_EXTENT_SHARED bits, which is not present in kernel of old distributions like RHEL6 (Sorry, didn't test on openSUSE equivalent). Unlike e2fsprogs, we can check its version