Arne Jansen 5b25f70f42 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>

2012-01-04 16:12:29 +01:00

6.9 KiB

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