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| author | Trond Myklebust <trondmy@gmail.com> | 2019-01-29 21:52:55 +0100 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2019-01-29 22:33:24 +0100 |
| commit | 8fc75bed96bb94e23ca51bd9be4daf65c57697bf (patch) | |
| tree | 1141c7be7a3e0a012b1d65726c2d80806a0f9505 /fs/nfs/write.c | |
| parent | nfs: Fix NULL pointer dereference of dev_name (diff) | |
| download | linux-8fc75bed96bb94e23ca51bd9be4daf65c57697bf.tar.xz linux-8fc75bed96bb94e23ca51bd9be4daf65c57697bf.zip | |
NFS: Fix up return value on fatal errors in nfs_page_async_flush()
Ensure that we return the fatal error value that caused us to exit
nfs_page_async_flush().
Fixes: c373fff7bd25 ("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>
Diffstat (limited to '')
| -rw-r--r-- | fs/nfs/write.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/fs/nfs/write.c b/fs/nfs/write.c index 5a0bbf917a32..f12cb31a41e5 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -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); |