Re: [PATCH] Btrfs: export btrfs space shared info to userspace

2013-09-19 Thread Liu Bo
On Wed, Sep 18, 2013 at 04:53:04PM -0400, Josef Bacik wrote: On Mon, Sep 16, 2013 at 03:40:12PM +0800, Liu Bo wrote: Similar to ocfs2, btrfs also supports that extents can be shared by different inodes, and there are some userspace tools requesting for this kind of 'space shared

Re: [PATCH] Btrfs: export btrfs space shared info to userspace

2013-09-18 Thread Josef Bacik
On Mon, Sep 16, 2013 at 03:40:12PM +0800, Liu Bo wrote: Similar to ocfs2, btrfs also supports that extents can be shared by different inodes, and there are some userspace tools requesting for this kind of 'space shared infomation'.[1] ocfs2 uses flag FIEMAP_EXTENT_SHARED, so does btrfs.

[PATCH] Btrfs: export btrfs space shared info to userspace

2013-09-16 Thread Liu Bo
Similar to ocfs2, btrfs also supports that extents can be shared by different inodes, and there are some userspace tools requesting for this kind of 'space shared infomation'.[1] ocfs2 uses flag FIEMAP_EXTENT_SHARED, so does btrfs. [1]:

[RFC PATCH] Btrfs: export btrfs space shared info to userspace

2013-08-16 Thread Liu Bo
Similar to ocfs2, btrfs also supports that extents can be shared by different inodes, and there are some userspace tools requesting for this kind of 'space shared infomation'.[1] ocfs2 uses flag FIEMAP_EXTENT_SHARED, so does btrfs. [1]: