[PATCH] btrfs: Evaluate io_tree in find_lock_delalloc_range()

[Goldwyn Rodrigues]

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

Signed-off-by: Goldwyn Rodrigues <rgold...@suse.com>
---
 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