btrfs: sink extent_write_full_page tree argument

The tree argument passed to extent_write_full_page is referenced from
the page being passed to the same function. Since we already have
enough information to get the reference, remove the function parameter.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index c0b2bf6..6cd3da1 100644 (file)
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -4056,13 +4056,12 @@ static noinline void flush_write_bio(void *data)
        flush_epd_write_bio(epd);
 }
 
-int extent_write_full_page(struct extent_io_tree *tree, struct page *page,
-                         struct writeback_control *wbc)
+int extent_write_full_page(struct page *page, struct writeback_control *wbc)
 {
        int ret;
        struct extent_page_data epd = {
                .bio = NULL,
-               .tree = tree,
+               .tree = &BTRFS_I(page->mapping->host)->io_tree,
                .extent_locked = 0,
                .sync_io = wbc->sync_mode == WB_SYNC_ALL,
        };

diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index f2cbabb..db2558b 100644 (file)
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -403,8 +403,7 @@ int find_first_extent_bit(struct extent_io_tree *tree, u64 start,
                          struct extent_state **cached_state);
 int extent_invalidatepage(struct extent_io_tree *tree,
                          struct page *page, unsigned long offset);
-int extent_write_full_page(struct extent_io_tree *tree, struct page *page,
-                         struct writeback_control *wbc);
+int extent_write_full_page(struct page *page, struct writeback_control *wbc);
 int extent_write_locked_range(struct inode *inode, u64 start, u64 end,
                              int mode);
 int extent_writepages(struct extent_io_tree *tree,

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 8a7da59..46df5e2 100644 (file)
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -8855,7 +8855,6 @@ int btrfs_readpage(struct file *file, struct page *page)
 
 static int btrfs_writepage(struct page *page, struct writeback_control *wbc)
 {
-       struct extent_io_tree *tree;
        struct inode *inode = page->mapping->host;
        int ret;
 
@@ -8874,8 +8873,7 @@ static int btrfs_writepage(struct page *page, struct writeback_control *wbc)
                redirty_page_for_writepage(wbc, page);
                return AOP_WRITEPAGE_ACTIVATE;
        }
-       tree = &BTRFS_I(page->mapping->host)->io_tree;
-       ret = extent_write_full_page(tree, page, wbc);
+       ret = extent_write_full_page(page, wbc);
        btrfs_add_delayed_iput(inode);
        return ret;
 }