export __set_page_dirty
XFS currently contains a copy-and-paste of __set_page_dirty(). Export
it from buffer.c instead.
Link: http://lkml.kernel.org/r/20180313132639.17387-6-willy@infradead.org
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Acked-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Cc: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 436a1de..0ab824f 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -1467,19 +1467,8 @@ xfs_vm_set_page_dirty(
newly_dirty = !TestSetPageDirty(page);
spin_unlock(&mapping->private_lock);
- if (newly_dirty) {
- /* sigh - __set_page_dirty() is static, so copy it here, too */
- unsigned long flags;
-
- spin_lock_irqsave(&mapping->tree_lock, flags);
- if (page->mapping) { /* Race with truncate? */
- WARN_ON_ONCE(!PageUptodate(page));
- account_page_dirtied(page, mapping);
- radix_tree_tag_set(&mapping->page_tree,
- page_index(page), PAGECACHE_TAG_DIRTY);
- }
- spin_unlock_irqrestore(&mapping->tree_lock, flags);
- }
+ if (newly_dirty)
+ __set_page_dirty(page, mapping, 1);
unlock_page_memcg(page);
if (newly_dirty)
__mark_inode_dirty(mapping->host, I_DIRTY_PAGES);