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NFS: Fix up return value on fatal errors in nfs_page_async_flush()

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Ensure that we return the fatal error value that caused us to exit
nfs_page_async_flush().

Fixes: c373fff7bd ("NFSv4: Don't special case "launder"")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Cc: stable@vger.kernel.org # v4.12+
Reviewed-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Trond Myklebust 2019-01-29 15:52:55 -05:00 committed by Anna Schumaker
parent 80ff001724
commit 8fc75bed96
1 changed files with 5 additions and 4 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

9
fs/nfs/write.c
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@ -621,11 +621,12 @@ static int nfs_page_async_flush(struct nfs_pageio_descriptor *pgio,
nfs_set_page_writeback(page);
WARN_ON_ONCE(test_bit(PG_CLEAN, &req->wb_flags));
ret = 0;
ret = req->wb_context->error;
/* If there is a fatal error that covers this write, just exit */
if (nfs_error_is_fatal_on_server(req->wb_context->error))
if (nfs_error_is_fatal_on_server(ret))
goto out_launder;
ret = 0;
if (!nfs_pageio_add_request(pgio, req)) {
ret = pgio->pg_error;
/*
@ -635,9 +636,9 @@ static int nfs_page_async_flush(struct nfs_pageio_descriptor *pgio,
nfs_context_set_write_error(req->wb_context, ret);
if (nfs_error_is_fatal_on_server(ret))
goto out_launder;
}
} else
ret = -EAGAIN;
nfs_redirty_request(req);
ret = -EAGAIN;
} else
nfs_add_stats(page_file_mapping(page)->host,
NFSIOS_WRITEPAGES, 1);