Commit bf9c1387 authored Mar 01, 2011 by Andy Adamson Committed by Trond Myklebust Mar 11, 2011

NFSv4.1: put_layout_hdr can remove nfsi->layout



Prevents an Oops triggered by CB_LAYOUTRECALL and LAYOUTGET race on a
pnfs_layout_hdr first pnfs_layout_segment.

Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

parent 6f78befc

fs/nfs/pnfs.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -768,7 +768,7 @@ pnfs_update_layout(struct inode *ino,
		put_layout_hdr(lo);
		out:
		dprintk("%s end, state 0x%lx lseg %p\n", __func__,
		nfsi->layout->plh_flags, lseg);
		nfsi->layout ? nfsi->layout->plh_flags : -1, lseg);
		return lseg;
		out_unlock:
		spin_unlock(&ino->i_lock);