btrfs: let writepage_end_io_hook return void

There's no error path in any of the instances, always return 0.

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

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index c3abf84..94beb75 100644 (file)
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2437,12 +2437,9 @@ void end_extent_writepage(struct page *page, int err, u64 start, u64 end)
 
        tree = &BTRFS_I(page->mapping->host)->io_tree;
 
-       if (tree->ops && tree->ops->writepage_end_io_hook) {
-               ret = tree->ops->writepage_end_io_hook(page, start,
-                                              end, NULL, uptodate);
-               if (ret)
-                       uptodate = 0;
-       }
+       if (tree->ops && tree->ops->writepage_end_io_hook)
+               tree->ops->writepage_end_io_hook(page, start, end, NULL,
+                               uptodate);
 
        if (!uptodate) {
                ClearPageUptodate(page);

diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index c16260c..78bb4d7 100644 (file)
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -104,7 +104,7 @@ struct extent_io_ops {
        int (*readpage_end_io_hook)(struct btrfs_io_bio *io_bio, u64 phy_offset,
                                    struct page *page, u64 start, u64 end,
                                    int mirror);
-       int (*writepage_end_io_hook)(struct page *page, u64 start, u64 end,
+       void (*writepage_end_io_hook)(struct page *page, u64 start, u64 end,
                                      struct extent_state *state, int uptodate);
        void (*set_bit_hook)(struct inode *inode, struct extent_state *state,
                             unsigned *bits);

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 0d932b9..b904c74 100644 (file)
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2972,7 +2972,7 @@ static void finish_ordered_fn(struct btrfs_work *work)
        btrfs_finish_ordered_io(ordered_extent);
 }
 
-static int btrfs_writepage_end_io_hook(struct page *page, u64 start, u64 end,
+static void btrfs_writepage_end_io_hook(struct page *page, u64 start, u64 end,
                                struct extent_state *state, int uptodate)
 {
        struct inode *inode = page->mapping->host;
@@ -2986,7 +2986,7 @@ static int btrfs_writepage_end_io_hook(struct page *page, u64 start, u64 end,
        ClearPagePrivate2(page);
        if (!btrfs_dec_test_ordered_pending(inode, &ordered_extent, start,
                                            end - start + 1, uptodate))
-               return 0;
+               return;
 
        if (btrfs_is_free_space_inode(BTRFS_I(inode))) {
                wq = fs_info->endio_freespace_worker;
@@ -2999,8 +2999,6 @@ static int btrfs_writepage_end_io_hook(struct page *page, u64 start, u64 end,
        btrfs_init_work(&ordered_extent->work, func, finish_ordered_fn, NULL,
                        NULL);
        btrfs_queue_work(wq, &ordered_extent->work);
-
-       return 0;
 }
 
 static int __readpage_endio_check(struct inode *inode,