Merge tag 'nfsd-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux

Pull nfsd updates from Chuck Lever:

 - Clean-ups in the READ path in anticipation of MSG_SPLICE_PAGES

 - Better NUMA awareness when allocating pages and other objects

 - A number of minor clean-ups to XDR encoding

 - Elimination of a race when accepting a TCP socket

 - Numerous observability enhancements

* tag 'nfsd-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: (46 commits)
  nfsd: remove redundant assignments to variable len
  svcrdma: Fix stale comment
  NFSD: Distinguish per-net namespace initialization
  nfsd: move init of percpu reply_cache_stats counters back to nfsd_init_net
  SUNRPC: Address RCU warning in net/sunrpc/svc.c
  SUNRPC: Use sysfs_emit in place of strlcpy/sprintf
  SUNRPC: Remove transport class dprintk call sites
  SUNRPC: Fix comments for transport class registration
  svcrdma: Remove an unused argument from __svc_rdma_put_rw_ctxt()
  svcrdma: trace cc_release calls
  svcrdma: Convert "might sleep" comment into a code annotation
  NFSD: Add an nfsd4_encode_nfstime4() helper
  SUNRPC: Move initialization of rq_stime
  SUNRPC: Optimize page release in svc_rdma_sendto()
  svcrdma: Prevent page release when nothing was received
  svcrdma: Revert 2a1e4f21d841 ("svcrdma: Normalize Send page handling")
  SUNRPC: Revert 579900670ac7 ("svcrdma: Remove unused sc_pages field")
  SUNRPC: Revert cc93ce9529a6 ("svcrdma: Retain the page backing rq_res.head[0].iov_base")
  NFSD: add encoding of op_recall flag for write delegation
  NFSD: Add "official" reviewers for this subsystem
  ...

1 files changed, 1 insertions, 13 deletions

diff --git a/fs/nfsd/nfsproc.c b/fs/nfsd/nfsproc.c
index c37195572fd0..a7315928a760 100644
--- a/fs/nfsd/nfsproc.c
+++ b/fs/nfsd/nfsproc.c
@@ -176,9 +176,7 @@ nfsd_proc_read(struct svc_rqst *rqstp)
 {
 	struct nfsd_readargs *argp = rqstp->rq_argp;
 	struct nfsd_readres *resp = rqstp->rq_resp;
-	unsigned int len;
 	u32 eof;
-	int v;
 
 	dprintk("nfsd: READ    %s %d bytes at %d\n",
 		SVCFH_fmt(&argp->fh),
@@ -187,17 +185,7 @@ nfsd_proc_read(struct svc_rqst *rqstp)
 	argp->count = min_t(u32, argp->count, NFSSVC_MAXBLKSIZE_V2);
 	argp->count = min_t(u32, argp->count, rqstp->rq_res.buflen);
 
-	v = 0;
-	len = argp->count;
 	resp->pages = rqstp->rq_next_page;
-	while (len > 0) {
-		struct page *page = *(rqstp->rq_next_page++);
-
-		rqstp->rq_vec[v].iov_base = page_address(page);
-		rqstp->rq_vec[v].iov_len = min_t(unsigned int, len, PAGE_SIZE);
-		len -= rqstp->rq_vec[v].iov_len;
-		v++;
-	}
 
 	/* Obtain buffer pointer for payload. 19 is 1 word for
 	 * status, 17 words for fattr, and 1 word for the byte count.
@@ -207,7 +195,7 @@ nfsd_proc_read(struct svc_rqst *rqstp)
 	resp->count = argp->count;
 	fh_copy(&resp->fh, &argp->fh);
 	resp->status = nfsd_read(rqstp, &resp->fh, argp->offset,
-				 rqstp->rq_vec, v, &resp->count, &eof);
+				 &resp->count, &eof);
 	if (resp->status == nfs_ok)
 		resp->status = fh_getattr(&resp->fh, &resp->stat);
 	else if (resp->status == nfserr_jukebox)