tree 153d8c114f65a8fb5d8c01dea04189db01a8351d
parent a7a3b1e971cd806b81ecea3a234d8dae9de0add0
author Benjamin Coddington <bcodding@redhat.com> 1497625980 -0400
committer Anna Schumaker <Anna.Schumaker@Netapp.com> 1499975884 -0400

NFS: nfs_rename() - revalidate directories on -ERESTARTSYS

An interrupted rename will leave the old dentry behind if the rename
succeeds.  Fix this by forcing a lookup the next time through
->d_revalidate.

A previous attempt at solving this problem took the approach to complete
the work of the rename asynchronously, however that approach was wrong
since it would allow the d_move() to occur after the directory's i_mutex
had been dropped by the original process.

Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>