From 3cb3fd6da4e9c810f7d9322fd36a5b39941ce409 Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Mon, 9 Apr 2018 14:11:32 -0400 Subject: [PATCH] NFS: Fix up sillyrename() Ensure that we register the fact that the inode ctime has changed. Signed-off-by: Trond Myklebust --- fs/nfs/unlink.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/fs/nfs/unlink.c b/fs/nfs/unlink.c index 6a73b8c808ea..fd61bf0fce63 100644 --- a/fs/nfs/unlink.c +++ b/fs/nfs/unlink.c @@ -448,6 +448,7 @@ nfs_sillyrename(struct inode *dir, struct dentry *dentry) unsigned char silly[SILLYNAME_LEN + 1]; unsigned long long fileid; struct dentry *sdentry; + struct inode *inode = d_inode(dentry); struct rpc_task *task; int error = -EBUSY; @@ -485,6 +486,8 @@ nfs_sillyrename(struct inode *dir, struct dentry *dentry) goto out; } while (d_inode(sdentry) != NULL); /* need negative lookup */ + ihold(inode); + /* queue unlink first. Can't do this from rpc_release as it * has to allocate memory */ @@ -509,6 +512,12 @@ nfs_sillyrename(struct inode *dir, struct dentry *dentry) case 0: /* The rename succeeded */ nfs_set_verifier(dentry, nfs_save_change_attribute(dir)); + spin_lock(&inode->i_lock); + NFS_I(inode)->attr_gencount = nfs_inc_attr_generation_counter(); + NFS_I(inode)->cache_validity |= NFS_INO_INVALID_CHANGE + | NFS_INO_INVALID_CTIME + | NFS_INO_REVAL_FORCED; + spin_unlock(&inode->i_lock); d_move(dentry, sdentry); break; case -ERESTARTSYS: @@ -519,6 +528,7 @@ nfs_sillyrename(struct inode *dir, struct dentry *dentry) } rpc_put_task(task); out_dput: + iput(inode); dput(sdentry); out: return error;