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xprtrdma: Remove stale comment

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The comment hasn't been accurate for several years.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Chuck Lever
2019-04-24 09:40:41 -04:00
committed by Anna Schumaker
parent b8fe677fd0
commit 2cfd11f16f
1 changed files with 0 additions and 7 deletions
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7
net/sunrpc/xprtrdma/xprt_rdma.h
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@ -239,13 +239,6 @@ struct rpcrdma_sendctx {
* *
* An external memory region is any buffer or page that is registered * An external memory region is any buffer or page that is registered
* on the fly (ie, not pre-registered). * on the fly (ie, not pre-registered).
*
* Each rpcrdma_buffer has a list of free MWs anchored in rb_mrs. During
* call_allocate, rpcrdma_buffer_get() assigns one to each segment in
* an rpcrdma_req. Then rpcrdma_register_external() grabs these to keep
* track of registration metadata while each RPC is pending.
* rpcrdma_deregister_external() uses this metadata to unmap and
* release these resources when an RPC is complete.
*/ */
enum rpcrdma_frwr_state { enum rpcrdma_frwr_state {
FRWR_IS_INVALID, /* ready to be used */ FRWR_IS_INVALID, /* ready to be used */