pNFS: Ensure we check layout validity before marking it for return



pnfs_error_mark_layout_for_return needs to check that the layout is
valid before calling pnfs_set_plh_return_info().

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>

parent 88bd4f86

fs/nfs/pnfs.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -2049,6 +2049,10 @@ void pnfs_error_mark_layout_for_return(struct inode *inode,
		bool return_now = false;

		spin_lock(&inode->i_lock);
		if (!pnfs_layout_is_valid(lo)) {
		spin_unlock(&inode->i_lock);
		return;
		}
		pnfs_set_plh_return_info(lo, range.iomode, 0);
		/* Block LAYOUTGET */
		set_bit(NFS_LAYOUT_RETURN, &lo->plh_flags);