提交 2c648caf 编写于 作者: T Trond Myklebust 提交者: Greg Kroah-Hartman

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: a7d42ddb ("nfs: add mirroring support to pgio layer")
Signed-off-by: NTrond Myklebust <trond.myklebust@hammerspace.com>
Cc: stable@vger.kernel.org # v4.0+
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
上级 63b0ee12
......@@ -1214,7 +1214,7 @@ 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;
......
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