From: Long Li <longli@xxxxxxxxxxxxx>
Memory registration failure doesn't mean this I/O has failed, it means the
transport is hitting I/O error or needs reconnect. This error is not from
the server.
Indicate this error to upper layer, and let upper layer decide how to
reconnect and proceed with this I/O.
Signed-off-by: Long Li <longli@xxxxxxxxxxxxx>
---
fs/cifs/smb2pdu.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 09ca098..c72d1fa 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -2617,7 +2617,7 @@ smb2_new_read_req(void **buf, unsigned int *total_len,
true, need_invalidate);
rcu_read_unlock();
if (!rdata->mr)
- return -ENOBUFS;
+ return -EAGAIN;
req->Channel = SMB2_CHANNEL_RDMA_V1_INVALIDATE;
if (need_invalidate)
@@ -2997,7 +2997,7 @@ smb2_async_writev(struct cifs_writedata *wdata,
false, need_invalidate);
rcu_read_unlock();
if (!wdata->mr) {
- rc = -ENOBUFS;
+ rc = -EAGAIN;
goto async_writev_out;
}
req->Length = 0;
--
2.7.4
--
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