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authorYan Zheng <zheng.yan@oracle.com>2008-10-30 14:20:02 -0400
committerChris Mason <chris.mason@oracle.com>2008-10-30 14:20:02 -0400
commit80ff385665b7fca29fefe358a60ab0d09f9b8e87 (patch)
tree8a801d3f268d289b62f8dac87df8b757fb3b19d4 /fs/readdir.c
parent6643558db29006825dbb10012b3f8890aca4bcd5 (diff)
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 <zheng.yan@oracle.com>
Diffstat (limited to 'fs/readdir.c')
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