| commit | fefdc55702a5f9f99778b6bdce4c4e1185ff943f | [log] [tgz] |
|---|---|---|
| author | Qu Wenruo <quwenruo@cn.fujitsu.com> | Mon Oct 12 15:35:38 2015 +0800 |
| committer | Chris Mason <clm@fb.com> | Wed Oct 21 18:37:44 2015 -0700 |
| tree | 5200c727ca441747ae8c1d168962749bd25dbe48 | |
| parent | d38ed27f0442c8cd520e093081127949d4bcf9bc [diff] |
btrfs: extent_io: Introduce new function clear_record_extent_bits() Introduce new function clear_record_extent_bits(), which will clear bits for given range and record the details about which ranges are cleared and how many bytes in total it changes. This provides the basis for later qgroup reserve codes. Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: Chris Mason <clm@fb.com>