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| author |   Chuck Lever <chuck.lever@oracle.com> | 2018-12-19 11:00:37 -0500 |
|---|---|---|
| committer |   Anna Schumaker <Anna.Schumaker@Netapp.com> | 2019-01-02 12:05:18 -0500 |
| commit | af65ed404c437684c9f58d0c37495abedcdfa3fc (patch) | |
| tree | 8c7b83553869c9a76f7fc6433a0fd5de2dc6ed7b /net/sunrpc/xprtrdma | |
| parent | xprtrdma: Replace outdated comment for rpcrdma_ep_post (diff) | |
| download | linux-dev-af65ed404c437684c9f58d0c37495abedcdfa3fc.tar.xz linux-dev-af65ed404c437684c9f58d0c37495abedcdfa3fc.zip | |
xprtrdma: Add documenting comment for rpcrdma_buffer_destroy
Make a note of the function's dependency on an earlier ib_drain_qp.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net/sunrpc/xprtrdma')
| -rw-r--r-- | net/sunrpc/xprtrdma/verbs.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index 11976c31ba93..7749a2bf6887 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -1177,6 +1177,14 @@ rpcrdma_mrs_destroy(struct rpcrdma_buffer *buf) dprintk("RPC: %s: released %u MRs\n", __func__, count); } +/** + * rpcrdma_buffer_destroy - Release all hw resources + * @buf: root control block for resources + * + * ORDERING: relies on a prior ib_drain_qp : + * - No more Send or Receive completions can occur + * - All MRs, reps, and reqs are returned to their free lists + */ void rpcrdma_buffer_destroy(struct rpcrdma_buffer *buf) { |