From: Yan Zheng Date: Thu, 30 Oct 2008 18:20:02 +0000 (-0400) Subject: Btrfs: update nodatacow code v2 X-Git-Tag: v2.6.29-rc1~27^2~9^2~55^2~44 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=80ff385665b7fca29fefe358a60ab0d09f9b8e87;p=pandora-kernel.git Btrfs: update nodatacow code v2 This patch simplifies the nodatacow checker. If all references were created after the latest snapshot, then we can avoid COW safely. This patch also updates run_delalloc_nocow to do more fine-grained checking. Signed-off-by: Yan Zheng --- Reading git-diff-tree failed