btrfs: remove unused parameter from extent_write_cache_pages

The 'tree' was used to call locking hook that does not exist anymore.

Reviewed-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>

1 files changed, 2 insertions, 4 deletions

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index a546495fc18e..d15b5ddb6732 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -3911,8 +3911,7 @@ retry:
  * WB_SYNC_ALL then we were called for data integrity and we must wait for
  * existing IO to complete.
  */
-static int extent_write_cache_pages(struct extent_io_tree *tree,
-                             struct address_space *mapping,
+static int extent_write_cache_pages(struct address_space *mapping,
                              struct writeback_control *wbc,
                              writepage_t writepage, void *data,
                              void (*flush_fn)(void *))
@@ -4153,8 +4152,7 @@ int extent_writepages(struct extent_io_tree *tree,
                 .bio_flags = 0,
         };
 
-        ret = extent_write_cache_pages(tree, mapping, wbc,
-                                       __extent_writepage, &epd,
+        ret = extent_write_cache_pages(mapping, wbc, __extent_writepage, &epd,
                                        flush_write_bio);
         flush_epd_write_bio(&epd);
         return ret;