* [PATCH 1/2] NFS: Do cleanup before resetting pageio read/write to mds
@ 2015-09-20 15:03 Kinglong Mee
0 siblings, 0 replies; only message in thread
From: Kinglong Mee @ 2015-09-20 15:03 UTC (permalink / raw)
To: Trond Myklebust
Cc: linux-nfs@vger.kernel.org, Weston Andros Adamson, kinglongmee
There is a reference leak of layout segment after resetting
pageio read/write to mds.
Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
---
fs/nfs/read.c | 3 +++
fs/nfs/write.c | 3 +++
2 files changed, 6 insertions(+)
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index ae0ff7a..01b8cc8 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 388f480..72624dc 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);
--
2.5.0
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2015-09-20 15:03 [PATCH 1/2] NFS: Do cleanup before resetting pageio read/write to mds Kinglong Mee
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