Commit d45b9d8b authored by Trond Myklebust's avatar Trond Myklebust
Browse files

NFS: Handle -ENOENT errors in unlink()/rmdir()/rename() 



If the server returns an ENOENT error, we still need to do a d_delete() in
order to ensure that the dentry is deleted.

Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent 609005c3

fs/nfs/dir.c

+13 −2
Original line number Diff line number Diff line
@@ -1267,6 +1267,12 @@ static int nfs_mkdir(struct inode *dir, struct dentry *dentry, int mode) 
	return error;

}



static void nfs_dentry_handle_enoent(struct dentry *dentry)

{

	if (dentry->d_inode != NULL && !d_unhashed(dentry))

		d_delete(dentry);

}



static int nfs_rmdir(struct inode *dir, struct dentry *dentry)

{

	int error;
@@ -1279,6 +1285,8 @@ static int nfs_rmdir(struct inode *dir, struct dentry *dentry) 
	/* Ensure the VFS deletes this inode */

	if (error == 0 && dentry->d_inode != NULL)

		clear_nlink(dentry->d_inode);

	else if (error == -ENOENT)

		nfs_dentry_handle_enoent(dentry);

	unlock_kernel();



	return error;
@@ -1385,6 +1393,8 @@ static int nfs_safe_remove(struct dentry *dentry) 
		nfs_mark_for_revalidate(inode);

	} else

		error = NFS_PROTO(dir)->remove(dir, &dentry->d_name);

	if (error == -ENOENT)

		nfs_dentry_handle_enoent(dentry);

out:

	return error;

}
@@ -1421,7 +1431,7 @@ static int nfs_unlink(struct inode *dir, struct dentry *dentry) 
	spin_unlock(&dentry->d_lock);

	spin_unlock(&dcache_lock);

	error = nfs_safe_remove(dentry);

	if (!error) {

	if (!error || error == -ENOENT) {

		nfs_set_verifier(dentry, nfs_save_change_attribute(dir));

	} else if (need_rehash)

		d_rehash(dentry);
@@ -1634,7 +1644,8 @@ static int nfs_rename(struct inode *old_dir, struct dentry *old_dentry, 
		d_move(old_dentry, new_dentry);

		nfs_set_verifier(new_dentry,

					nfs_save_change_attribute(new_dir));

	}

	} else if (error == -ENOENT)

		nfs_dentry_handle_enoent(old_dentry);



	/* new dentry created? */

	if (dentry)