From: Kinglong Mee Date: Sun, 20 Sep 2015 15:03:28 +0000 (+0800) Subject: NFS: Do cleanup before resetting pageio read/write to mds X-Git-Tag: v4.3-rc3~16^2~5 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=6f29b9bba7b08c6b1d6f2cc4cf750b342fc1946c;p=thirdparty%2Fkernel%2Flinux.git 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: Kinglong Mee Cc: stable@vger.kernel.org # v4.0+ Signed-off-by: Trond Myklebust --- diff --git a/fs/nfs/read.c b/fs/nfs/read.c index ae0ff7a11b403..01b8cc8e8cfc4 100644 --- a/fs/nfs/read.c +++ b/fs/nfs/read.c @@ -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 */ diff --git a/fs/nfs/write.c b/fs/nfs/write.c index 388f48079c438..72624dc4a623b 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -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);