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98bbc8d
2012 Sep 17
0
[PATCH] Btrfs: do not hold the write_lock on the extent tree while logging V2
...o.com>
---
V1->V2: drop our ref if we had an error
fs/btrfs/extent_map.c | 3 ++-
fs/btrfs/extent_map.h | 1 +
fs/btrfs/tree-log.c | 20 ++++++++++++++++----
3 files changed, 19 insertions(+), 5 deletions(-)
diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c
index 8d1364d..b8cbc8d 100644
--- a/fs/btrfs/extent_map.c
+++ b/fs/btrfs/extent_map.c
@@ -407,7 +407,8 @@ int remove_extent_mapping(struct extent_map_tree *tree, struct extent_map *em)
WARN_ON(test_bit(EXTENT_FLAG_PINNED, &em->flags));
rb_erase(&em->rb_node, &tree->map);
- list_del_init(&em...