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authorBenjamin Coddington <bcodding@redhat.com>2017-06-16 11:13:00 -0400
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2017-07-13 15:58:04 -0400
commit818a8dbe83fddff534b814a7d4e0c75b511dff2e (patch)
tree153d8c114f65a8fb5d8c01dea04189db01a8351d /include
parenta7a3b1e971cd806b81ecea3a234d8dae9de0add0 (diff)
downloadlinux-818a8dbe83fddff534b814a7d4e0c75b511dff2e.tar.bz2
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>
Diffstat (limited to 'include')
-rw-r--r--include/linux/nfs_xdr.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 9b42bffbe07b..9463eeff9e3c 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -1533,6 +1533,7 @@ struct nfs_renamedata {
struct nfs_fattr new_fattr;
void (*complete)(struct rpc_task *, struct nfs_renamedata *);
long timeout;
+ bool cancelled;
};
struct nfs_access_entry;