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-rw-r--r--fs/btrfs/extent_io.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index b5b9282..20ddb28 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2192,6 +2192,8 @@ static int __extent_writepage(struct page *page, struct writeback_control *wbc,
else
write_flags = WRITE;
+ trace___extent_writepage(page, inode, wbc);
+
WARN_ON(!PageLocked(page));
pg_offset = i_size & (PAGE_CACHE_SIZE - 1);
if (page->index > end_index ||
@@ -3690,6 +3692,7 @@ int map_private_extent_buffer(struct extent_buffer *eb, unsigned long start,
"wanted %lu %lu\n", (unsigned long long)eb->start,
eb->len, start, min_len);
WARN_ON(1);
+ return -EINVAL;
}
p = extent_buffer_page(eb, i);
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