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authorTrond Myklebust <trond.myklebust@hammerspace.com>2019-02-15 16:08:25 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-03-23 13:19:52 +0100
commit7ed608268e69c1ed68e48d18440e73fea83145d1 (patch)
treeb12f48f991324f2798f6671f5a637bcb55b41221 /fs/nfs
parent18ae814610c519a1cc7e78b6a2bdd8fed2bd88c7 (diff)
NFS: Don't recoalesce on error in nfs_pageio_complete_mirror()
commit 8127d82705998568b52ac724e28e00941538083d upstream. If the I/O completion failed with a fatal error, then we should just exit nfs_pageio_complete_mirror() rather than try to recoalesce. Fixes: a7d42ddb3099 ("nfs: add mirroring support to pgio layer") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Cc: stable@vger.kernel.org # v4.0+ Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/pagelist.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index e34af0f86657..fad4d5188aaf 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -1200,7 +1200,7 @@ static void nfs_pageio_complete_mirror(struct nfs_pageio_descriptor *desc,
desc->pg_mirror_idx = mirror_idx;
for (;;) {
nfs_pageio_doio(desc);
- if (!mirror->pg_recoalesce)
+ if (desc->pg_error < 0 || !mirror->pg_recoalesce)
break;
if (!nfs_do_recoalesce(desc))
break;