[PATCH 5/6] leases: break leases on any attribute modification

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NFSv4 uses leases to guarantee that clients can cash metadata as well as
data.

(I suspect the same is true for Samba.)

This covers chmod, chown, etc.

Signed-off-by: J. Bruce Fields <bfields@xxxxxxxxxx>
---
 fs/attr.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/fs/attr.c b/fs/attr.c
index 538e279..4ce31cb 100644
--- a/fs/attr.c
+++ b/fs/attr.c
@@ -231,6 +231,9 @@ int notify_change(struct dentry * dentry, struct iattr * attr)
 	error = security_inode_setattr(dentry, attr);
 	if (error)
 		return error;
+	error = break_lease(inode, O_WRONLY);
+	if (error)
+		return error;
 
 	if (inode->i_op->setattr)
 		error = inode->i_op->setattr(dentry, attr);
-- 
1.7.4.1

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