Commit d2b2a28e authored Feb 05, 2016 by Dmitry Monakhov Committed by Linus Torvalds Feb 05, 2016

dax: dirty inode only if required



Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: Matthew Wilcox <matthew.r.wilcox@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent ae026204

fs/dax.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -358,6 +358,7 @@ static int dax_radix_entry(struct address_space *mapping, pgoff_t index,
		void *entry;

		WARN_ON_ONCE(pmd_entry && !dirty);
		if (dirty)
		__mark_inode_dirty(mapping->host, I_DIRTY_PAGES);

		spin_lock_irq(&mapping->tree_lock);