Commit 8127d827 authored by Trond Myklebust's avatar Trond Myklebust

NFS: Don't recoalesce on error in nfs_pageio_complete_mirror()

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: a7d42ddb ("nfs: add mirroring support to pgio layer")
Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
Cc: stable@vger.kernel.org # v4.0+
parent 4d91969e
...@@ -1209,7 +1209,7 @@ static void nfs_pageio_complete_mirror(struct nfs_pageio_descriptor *desc, ...@@ -1209,7 +1209,7 @@ static void nfs_pageio_complete_mirror(struct nfs_pageio_descriptor *desc,
desc->pg_mirror_idx = mirror_idx; desc->pg_mirror_idx = mirror_idx;
for (;;) { for (;;) {
nfs_pageio_doio(desc); nfs_pageio_doio(desc);
if (!mirror->pg_recoalesce) if (desc->pg_error < 0 || !mirror->pg_recoalesce)
break; break;
if (!nfs_do_recoalesce(desc)) if (!nfs_do_recoalesce(desc))
break; break;
......
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