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Commit 8e0acf90 authored by Trond Myklebust's avatar Trond Myklebust
Browse files

pNFS: Clear the layout return tracking on layout reinitialisation 



Ensure that we don't carry over layoutreturn info from a previous
incarnation of this layout.

Signed-off-by: default avatarTrond Myklebust <trond.myklebust@primarydata.com>
parent 45fcc7bc

fs/nfs/pnfs.c

+14 −5
Original line number Diff line number Diff line
@@ -873,15 +873,21 @@ void pnfs_clear_layoutreturn_waitbit(struct pnfs_layout_hdr *lo) 
	rpc_wake_up(&NFS_SERVER(lo->plh_inode)->roc_rpcwaitq);

}



static void

pnfs_clear_layoutreturn_info(struct pnfs_layout_hdr *lo)

{

	lo->plh_return_iomode = 0;

	lo->plh_return_seq = 0;

	clear_bit(NFS_LAYOUT_RETURN_REQUESTED, &lo->plh_flags);

}



static bool

pnfs_prepare_layoutreturn(struct pnfs_layout_hdr *lo)

{

	if (test_and_set_bit(NFS_LAYOUT_RETURN, &lo->plh_flags))

		return false;

	lo->plh_return_iomode = 0;

	lo->plh_return_seq = 0;

	pnfs_get_layout_hdr(lo);

	clear_bit(NFS_LAYOUT_RETURN_REQUESTED, &lo->plh_flags);

	pnfs_clear_layoutreturn_info(lo);

	return true;

}
@@ -1764,10 +1770,13 @@ pnfs_layout_process(struct nfs4_layoutget *lgp) 
		lo->plh_barrier = be32_to_cpu(res->stateid.seqid);

	}



	clear_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags);



	pnfs_get_lseg(lseg);

	pnfs_layout_insert_lseg(lo, lseg, &free_me);

	if (!pnfs_layout_is_valid(lo)) {

		pnfs_clear_layoutreturn_info(lo);

		clear_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags);

	}





	if (res->return_on_close)

		set_bit(NFS_LSEG_ROC, &lseg->pls_flags);