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authorKinglong Mee <kinglongmee@gmail.com>2015-09-20 23:03:28 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-10-22 14:43:18 -0700
commit953c972242a0772d938b391bc9d70b3c0591c20f (patch)
tree4fc443867cb5719f9b31228fa472434af57916ac /fs
parent25cbde3442a1fd07fc233bd881ded2f5bc8f4e26 (diff)
NFS: Do cleanup before resetting pageio read/write to mds
commit 6f29b9bba7b08c6b1d6f2cc4cf750b342fc1946c upstream. There is a reference leak of layout segment after resetting pageio read/write to mds. Signed-off-by: Kinglong Mee <kinglongmee@gmail.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/nfs/read.c3
-rw-r--r--fs/nfs/write.c3
2 files changed, 6 insertions, 0 deletions
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index ae0ff7a11b40..01b8cc8e8cfc 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 07115b9b1ad2..1fe9cbe6445a 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -1331,6 +1331,9 @@ 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);