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| author | Chuck Lever <chuck.lever@oracle.com> | 2020-07-17 22:05:51 +0300 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2020-11-30 21:00:23 +0300 |
| commit | bafe9c27d537e7bcfacb227413bdaff2dce53d09 (patch) | |
| tree | 3f9cfb330a2c243cf48bf21235a5e3855c0ff45b /net/sunrpc/xprtrdma | |
| parent | b704be09dccf00b14e0b22a4e849e3ce7a10acd2 (diff) | |
| download | linux-bafe9c27d537e7bcfacb227413bdaff2dce53d09.tar.xz | |
svcrdma: Rename info::ri_chunklen
I'm about to change the purpose of ri_chunklen: Instead of tracking
the number of bytes in one Read chunk, it will track the total
number of bytes in the Read list. Rename it for clarity.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'net/sunrpc/xprtrdma')
| -rw-r--r-- | net/sunrpc/xprtrdma/svc_rdma_rw.c | 31 |
1 files changed, 15 insertions, 16 deletions
diff --git a/net/sunrpc/xprtrdma/svc_rdma_rw.c b/net/sunrpc/xprtrdma/svc_rdma_rw.c index b04c700862e9..3154c7ab1ca8 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_rw.c +++ b/net/sunrpc/xprtrdma/svc_rdma_rw.c @@ -262,7 +262,7 @@ struct svc_rdma_read_info { unsigned int ri_position; unsigned int ri_pageno; unsigned int ri_pageoff; - unsigned int ri_chunklen; + unsigned int ri_totalbytes; struct svc_rdma_chunk_ctxt ri_cc; }; @@ -726,7 +726,6 @@ static int svc_rdma_build_read_chunk(struct svc_rqst *rqstp, int ret; ret = -EINVAL; - info->ri_chunklen = 0; while (*p++ != xdr_zero && be32_to_cpup(p++) == info->ri_position) { u32 handle, length; u64 offset; @@ -737,7 +736,7 @@ static int svc_rdma_build_read_chunk(struct svc_rqst *rqstp, if (ret < 0) break; - info->ri_chunklen += length; + info->ri_totalbytes += length; } return ret; } @@ -754,6 +753,8 @@ static int svc_rdma_build_normal_read_chunk(struct svc_rqst *rqstp, __be32 *p) { struct svc_rdma_recv_ctxt *head = info->ri_readctxt; + struct xdr_buf *buf = &head->rc_arg; + unsigned int length; int ret; ret = svc_rdma_build_read_chunk(rqstp, info, p); @@ -782,11 +783,10 @@ static int svc_rdma_build_normal_read_chunk(struct svc_rqst *rqstp, * Currently these chunks always start at page offset 0, * thus the rounded-up length never crosses a page boundary. */ - info->ri_chunklen = XDR_QUADLEN(info->ri_chunklen) << 2; - - head->rc_arg.page_len = info->ri_chunklen; - head->rc_arg.len += info->ri_chunklen; - head->rc_arg.buflen += info->ri_chunklen; + length = XDR_QUADLEN(info->ri_totalbytes) << 2; + buf->page_len = length; + buf->len += length; + buf->buflen += length; out: return ret; @@ -808,22 +808,20 @@ static int svc_rdma_build_pz_read_chunk(struct svc_rqst *rqstp, __be32 *p) { struct svc_rdma_recv_ctxt *head = info->ri_readctxt; + struct xdr_buf *buf = &head->rc_arg; int ret; ret = svc_rdma_build_read_chunk(rqstp, info, p); if (ret < 0) goto out; - head->rc_arg.len += info->ri_chunklen; - head->rc_arg.buflen += info->ri_chunklen; + buf->len += info->ri_totalbytes; + buf->buflen += info->ri_totalbytes; head->rc_hdr_count = 1; - head->rc_arg.head[0].iov_base = page_address(head->rc_pages[0]); - head->rc_arg.head[0].iov_len = min_t(size_t, PAGE_SIZE, - info->ri_chunklen); - - head->rc_arg.page_len = info->ri_chunklen - - head->rc_arg.head[0].iov_len; + buf->head[0].iov_base = page_address(head->rc_pages[0]); + buf->head[0].iov_len = min_t(size_t, PAGE_SIZE, info->ri_totalbytes); + buf->page_len = info->ri_totalbytes - buf->head[0].iov_len; out: return ret; @@ -892,6 +890,7 @@ int svc_rdma_recv_read_chunk(struct svcxprt_rdma *rdma, struct svc_rqst *rqstp, info->ri_readctxt = head; info->ri_pageno = 0; info->ri_pageoff = 0; + info->ri_totalbytes = 0; info->ri_position = be32_to_cpup(p + 1); if (info->ri_position) |