| commit | 5b25f70f4200766355cdabda604e131d2fb6010d | [log] [tgz] |
|---|---|---|
| author | Arne Jansen <sensille@gmx.net> | Tue Sep 13 10:55:48 2011 +0200 |
| committer | Jan Schmidt <list.btrfs@jan-o-sch.net> | Wed Jan 04 16:12:29 2012 +0100 |
| tree | 20749d5e90763e8c1746d36b00c5beec5e3660b9 | |
| parent | eebe063b7f916087cd5c61de57b20a3a30894a96 [diff] |
Btrfs: add nested locking mode for paths This patch adds the possibilty to read-lock an extent even if it is already write-locked from the same thread. btrfs_find_all_roots() needs this capability. Signed-off-by: Arne Jansen <sensille@gmx.net> Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>