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Commit 6f29b9bb authored by Kinglong Mee's avatar Kinglong Mee Committed by Trond Myklebust
Browse files

NFS: Do cleanup before resetting pageio read/write to mds 



There is a reference leak of layout segment after resetting
pageio read/write to mds.

Signed-off-by: default avatarKinglong Mee <kinglongmee@gmail.com>
Cc: stable@vger.kernel.org # v4.0+
Signed-off-by: default avatarTrond Myklebust <trond.myklebust@primarydata.com>
parent 4b0ab51d

fs/nfs/read.c

+3 −0
Original line number Diff line number Diff line
@@ -72,6 +72,9 @@ void nfs_pageio_reset_read_mds(struct nfs_pageio_descriptor *pgio) 
{

	struct nfs_pgio_mirror *mirror;



	if (pgio->pg_ops && pgio->pg_ops->pg_cleanup)

		pgio->pg_ops->pg_cleanup(pgio);



	pgio->pg_ops = &nfs_pgio_rw_ops;



	/* read path should never have more than one mirror */

fs/nfs/write.c

+3 −0
Original line number Diff line number Diff line
@@ -1351,6 +1351,9 @@ void nfs_pageio_reset_write_mds(struct nfs_pageio_descriptor *pgio) 
{

	struct nfs_pgio_mirror *mirror;



	if (pgio->pg_ops && pgio->pg_ops->pg_cleanup)

		pgio->pg_ops->pg_cleanup(pgio);



	pgio->pg_ops = &nfs_pgio_rw_ops;



	nfs_pageio_stop_mirroring(pgio);