Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso...

[platform/kernel/linux-rpi.git] / fs / block_dev.c

diff --git a/fs/block_dev.c b/fs/block_dev.c
index ca8bf18..7e83c3e 100644 (file)
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1673,20 +1673,6 @@ ssize_t blkdev_read_iter(struct kiocb *iocb, struct iov_iter *to)
 }
 EXPORT_SYMBOL_GPL(blkdev_read_iter);
 
-/*
- * Try to release a page associated with block device when the system
- * is under memory pressure.
- */
-static int blkdev_releasepage(struct page *page, gfp_t wait)
-{
-       struct super_block *super = BDEV_I(page->mapping->host)->bdev.bd_super;
-
-       if (super && super->s_op->bdev_try_to_free_page)
-               return super->s_op->bdev_try_to_free_page(super, page, wait);
-
-       return try_to_free_buffers(page);
-}
-
 static int blkdev_writepages(struct address_space *mapping,
                             struct writeback_control *wbc)
 {
@@ -1701,7 +1687,6 @@ static const struct address_space_operations def_blk_aops = {
        .write_begin    = blkdev_write_begin,
        .write_end      = blkdev_write_end,
        .writepages     = blkdev_writepages,
-       .releasepage    = blkdev_releasepage,
        .direct_IO      = blkdev_direct_IO,
        .migratepage    = buffer_migrate_page_norefs,
        .is_dirty_writeback = buffer_check_dirty_writeback,