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@xxxxxxxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx # v4.0+
---
fs/nfs/pagelist.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index 03bde9a41451..a8951f1f7b4e 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -1209,7 +1209,7 @@ 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;
--
2.20.1
