diff options
author | Joel Stanley <joel@jms.id.au> | 2020-08-31 03:46:52 +0300 |
---|---|---|
committer | Joel Stanley <joel@jms.id.au> | 2020-08-31 03:46:57 +0300 |
commit | 0dd0c8c492fa70707ca4f0d36dcb2e3c64105b16 (patch) | |
tree | a420abd8f26264544246602c60d161a7cc4de390 /net/sunrpc | |
parent | 31d8605658d37d9197a989838508481d5dc1d8bc (diff) | |
parent | 9ece50d8a470ca7235ffd6ac0f9c5f0f201fe2c8 (diff) | |
download | linux-dev-5.8.tar.xz |
Merge tag 'v5.8.5' into dev-5.8dev-5.8
This is the 5.8.5 stable release
Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'net/sunrpc')
-rw-r--r-- | net/sunrpc/auth_gss/gss_krb5_wrap.c | 2 | ||||
-rw-r--r-- | net/sunrpc/auth_gss/svcauth_gss.c | 1 | ||||
-rw-r--r-- | net/sunrpc/xprtrdma/svc_rdma_recvfrom.c | 2 | ||||
-rw-r--r-- | net/sunrpc/xprtrdma/svc_rdma_rw.c | 28 |
4 files changed, 24 insertions, 9 deletions
diff --git a/net/sunrpc/auth_gss/gss_krb5_wrap.c b/net/sunrpc/auth_gss/gss_krb5_wrap.c index cf0fd170ac18..90b8329fef82 100644 --- a/net/sunrpc/auth_gss/gss_krb5_wrap.c +++ b/net/sunrpc/auth_gss/gss_krb5_wrap.c @@ -584,7 +584,7 @@ gss_unwrap_kerberos_v2(struct krb5_ctx *kctx, int offset, int len, buf->head[0].iov_len); memmove(ptr, ptr + GSS_KRB5_TOK_HDR_LEN + headskip, movelen); buf->head[0].iov_len -= GSS_KRB5_TOK_HDR_LEN + headskip; - buf->len = len - GSS_KRB5_TOK_HDR_LEN + headskip; + buf->len = len - (GSS_KRB5_TOK_HDR_LEN + headskip); /* Trim off the trailing "extra count" and checksum blob */ xdr_buf_trim(buf, ec + GSS_KRB5_TOK_HDR_LEN + tailskip); diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c index 46027d0c903f..c28051f7d217 100644 --- a/net/sunrpc/auth_gss/svcauth_gss.c +++ b/net/sunrpc/auth_gss/svcauth_gss.c @@ -958,7 +958,6 @@ unwrap_priv_data(struct svc_rqst *rqstp, struct xdr_buf *buf, u32 seq, struct gs maj_stat = gss_unwrap(ctx, 0, priv_len, buf); pad = priv_len - buf->len; - buf->len -= pad; /* The upper layers assume the buffer is aligned on 4-byte boundaries. * In the krb5p case, at least, the data ends up offset, so we need to * move it around. */ diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c index e426fedb9524..ac16d83f2d26 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c +++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c @@ -265,6 +265,8 @@ static int svc_rdma_post_recv(struct svcxprt_rdma *rdma) { struct svc_rdma_recv_ctxt *ctxt; + if (test_bit(XPT_CLOSE, &rdma->sc_xprt.xpt_flags)) + return 0; ctxt = svc_rdma_recv_ctxt_get(rdma); if (!ctxt) return -ENOMEM; diff --git a/net/sunrpc/xprtrdma/svc_rdma_rw.c b/net/sunrpc/xprtrdma/svc_rdma_rw.c index 5eb35309ecef..83806fa94def 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_rw.c +++ b/net/sunrpc/xprtrdma/svc_rdma_rw.c @@ -684,7 +684,6 @@ static int svc_rdma_build_read_chunk(struct svc_rqst *rqstp, struct svc_rdma_read_info *info, __be32 *p) { - unsigned int i; int ret; ret = -EINVAL; @@ -707,12 +706,6 @@ static int svc_rdma_build_read_chunk(struct svc_rqst *rqstp, info->ri_chunklen += rs_length; } - /* Pages under I/O have been copied to head->rc_pages. - * Prevent their premature release by svc_xprt_release() . - */ - for (i = 0; i < info->ri_readctxt->rc_page_count; i++) - rqstp->rq_pages[i] = NULL; - return ret; } @@ -807,6 +800,26 @@ out: return ret; } +/* Pages under I/O have been copied to head->rc_pages. Ensure they + * are not released by svc_xprt_release() until the I/O is complete. + * + * This has to be done after all Read WRs are constructed to properly + * handle a page that is part of I/O on behalf of two different RDMA + * segments. + * + * Do this only if I/O has been posted. Otherwise, we do indeed want + * svc_xprt_release() to clean things up properly. + */ +static void svc_rdma_save_io_pages(struct svc_rqst *rqstp, + const unsigned int start, + const unsigned int num_pages) +{ + unsigned int i; + + for (i = start; i < num_pages + start; i++) + rqstp->rq_pages[i] = NULL; +} + /** * svc_rdma_recv_read_chunk - Pull a Read chunk from the client * @rdma: controlling RDMA transport @@ -860,6 +873,7 @@ int svc_rdma_recv_read_chunk(struct svcxprt_rdma *rdma, struct svc_rqst *rqstp, ret = svc_rdma_post_chunk_ctxt(&info->ri_cc); if (ret < 0) goto out_err; + svc_rdma_save_io_pages(rqstp, 0, head->rc_page_count); return 0; out_err: |