We no longer track anything in nrexceptional, so remove it, saving 8
bytes per inode.

Signed-off-by: Matthew Wilcox (Oracle) <[email protected]>
Tested-by: Vishal Verma <[email protected]>
---
 fs/inode.c         | 2 +-
 include/linux/fs.h | 2 --
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/fs/inode.c b/fs/inode.c
index 9d78c37b00b8..4531358ae97b 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -530,7 +530,7 @@ void clear_inode(struct inode *inode)
         */
        xa_lock_irq(&inode->i_data.i_pages);
        BUG_ON(inode->i_data.nrpages);
-       BUG_ON(inode->i_data.nrexceptional);
+       BUG_ON(!mapping_empty(&inode->i_data));
        xa_unlock_irq(&inode->i_data.i_pages);
        BUG_ON(!list_empty(&inode->i_data.private_list));
        BUG_ON(!(inode->i_state & I_FREEING));
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 0bd126418bb6..a5d801430040 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -439,7 +439,6 @@ int pagecache_write_end(struct file *, struct address_space 
*mapping,
  * @i_mmap: Tree of private and shared mappings.
  * @i_mmap_rwsem: Protects @i_mmap and @i_mmap_writable.
  * @nrpages: Number of page entries, protected by the i_pages lock.
- * @nrexceptional: Shadow or DAX entries, protected by the i_pages lock.
  * @writeback_index: Writeback starts here.
  * @a_ops: Methods.
  * @flags: Error bits and flags (AS_*).
@@ -460,7 +459,6 @@ struct address_space {
        struct rb_root_cached   i_mmap;
        struct rw_semaphore     i_mmap_rwsem;
        unsigned long           nrpages;
-       unsigned long           nrexceptional;
        pgoff_t                 writeback_index;
        const struct address_space_operations *a_ops;
        unsigned long           flags;
-- 
2.28.0
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