[PATCH] btrfs: Evaluate io_tree in find_lock_delalloc_range()

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Simplification.
No point passing the tree variable when it can be evaluated
from inode.

Signed-off-by: Goldwyn Rodrigues <rgoldwyn@xxxxxxxx>
---
 fs/btrfs/extent_io.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index db337e53aab3..e9475d7e11bf 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -1719,10 +1719,10 @@ static noinline int lock_delalloc_pages(struct inode *inode,
  */
 EXPORT_FOR_TESTS
 noinline_for_stack bool find_lock_delalloc_range(struct inode *inode,
-				    struct extent_io_tree *tree,
 				    struct page *locked_page, u64 *start,
 				    u64 *end)
 {
+	struct extent_io_tree *tree = &BTRFS_I(inode)->io_tree;
 	u64 max_bytes = BTRFS_MAX_EXTENT_SIZE;
 	u64 delalloc_start;
 	u64 delalloc_end;
@@ -3290,7 +3290,6 @@ static noinline_for_stack int writepage_delalloc(struct inode *inode,
 		struct page *page, struct writeback_control *wbc,
 		u64 delalloc_start, unsigned long *nr_written)
 {
-	struct extent_io_tree *tree = &BTRFS_I(inode)->io_tree;
 	u64 page_end = delalloc_start + PAGE_SIZE - 1;
 	bool found;
 	u64 delalloc_to_write = 0;
@@ -3300,8 +3299,7 @@ static noinline_for_stack int writepage_delalloc(struct inode *inode,
 
 
 	while (delalloc_end < page_end) {
-		found = find_lock_delalloc_range(inode, tree,
-					       page,
+		found = find_lock_delalloc_range(inode, page,
 					       &delalloc_start,
 					       &delalloc_end);
 		if (!found) {
-- 
2.16.4




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