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-rw-r--r--fs/btrfs/extent_io.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index d418164a35f1..7d5e55632809 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2136,6 +2136,7 @@ static int __extent_writepage(struct page *page, struct writeback_control *wbc,
int compressed;
int write_flags;
unsigned long nr_written = 0;
+ bool fill_delalloc = true;
if (wbc->sync_mode == WB_SYNC_ALL)
write_flags = WRITE_SYNC;
@@ -2166,10 +2167,13 @@ static int __extent_writepage(struct page *page, struct writeback_control *wbc,
set_page_extent_mapped(page);
+ if (!tree->ops || !tree->ops->fill_delalloc)
+ fill_delalloc = false;
+
delalloc_start = start;
delalloc_end = 0;
page_started = 0;
- if (!epd->extent_locked) {
+ if (!epd->extent_locked && fill_delalloc) {
u64 delalloc_to_write = 0;
/*
* make sure the wbc mapping index is at least updated
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