From: Martin Brandenburg <martin@omnibond.com>
Date: Thu, 22 Feb 2018 18:15:56 +0000 (+0000)
Subject: orangefs: skip inode writeout if nothing to write
X-Git-Tag: v5.2-rc1~113^2~8
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=8a88bbce6f83430a737a97bb72d0912a6a103945;p=linux.git

orangefs: skip inode writeout if nothing to write

Would happen if an inode is dirty but whatever happened is not something
that can be written out to OrangeFS.

Signed-off-by: Martin Brandenburg <martin@omnibond.com>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
---

diff --git a/fs/orangefs/orangefs-utils.c b/fs/orangefs/orangefs-utils.c
index d6093a468db9..d4b7ae763186 100644
--- a/fs/orangefs/orangefs-utils.c
+++ b/fs/orangefs/orangefs-utils.c
@@ -431,6 +431,11 @@ int orangefs_inode_setattr(struct inode *inode)
 	copy_attributes_from_inode(inode,
 	    &new_op->upcall.req.setattr.attributes);
 	orangefs_inode->attr_valid = 0;
+	if (!new_op->upcall.req.setattr.attributes.mask) {
+		spin_unlock(&inode->i_lock);
+		op_release(new_op);
+		return 0;
+	}
 	spin_unlock(&inode->i_lock);
 
 	ret = service_operation(new_op, __func__,