free_some_buffer() should not free dirty extent buffers. They should be
left for later commit.
Signed-off-by: Naohiro Aota <naota@xxxxxxxxx>
---
extent_io.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/extent_io.c b/extent_io.c
index a127e54..8a668be 100644
--- a/extent_io.c
+++ b/extent_io.c
@@ -552,7 +552,7 @@ static int free_some_buffers(struct extent_io_tree *tree)
list_for_each_safe(node, next, &tree->lru) {
eb = list_entry(node, struct extent_buffer, lru);
- if (eb->refs == 1) {
+ if (eb->refs == 1 && !(eb->flags && EXTENT_DIRTY)) {
free_extent_buffer(eb);
if (tree->cache_size < cache_hard_max)
break;
--
2.0.4
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