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authorLinus Torvalds <torvalds@linux-foundation.org>2021-11-10 16:45:54 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2021-11-10 16:45:54 -0800
commit38764c734028bf0ae4cf262f3eb7d965c86298bd (patch)
treede5f7c46f71e34d14bea89aaa95ecf3032285ce3 /fs/lockd
parent2ec20f489591962db8ff1718aa6055c08d88d0cc (diff)
parent80479eb862102f9513e93fcf726c78cc0be2e3b2 (diff)
Merge tag 'nfsd-5.16' of git://linux-nfs.org/~bfields/linux
Pull nfsd updates from Bruce Fields: "A slow cycle for nfsd: mainly cleanup, including Neil's patch dropping support for a filehandle format deprecated 20 years ago, and further xdr-related cleanup from Chuck" * tag 'nfsd-5.16' of git://linux-nfs.org/~bfields/linux: (26 commits) nfsd4: remove obselete comment nfsd: document server-to-server-copy parameters NFSD:fix boolreturn.cocci warning nfsd: update create verifier comment SUNRPC: Change return value type of .pc_encode SUNRPC: Replace the "__be32 *p" parameter to .pc_encode NFSD: Save location of NFSv4 COMPOUND status SUNRPC: Change return value type of .pc_decode SUNRPC: Replace the "__be32 *p" parameter to .pc_decode SUNRPC: De-duplicate .pc_release() call sites SUNRPC: Simplify the SVC dispatch code path SUNRPC: Capture value of xdr_buf::page_base SUNRPC: Add trace event when alloc_pages_bulk() makes no progress svcrdma: Split svcrmda_wc_{read,write} tracepoints svcrdma: Split the svcrdma_wc_send() tracepoint svcrdma: Split the svcrdma_wc_receive() tracepoint NFSD: Have legacy NFSD WRITE decoders use xdr_stream_subsegment() SUNRPC: xdr_stream_subsegment() must handle non-zero page_bases NFSD: Initialize pointer ni with NULL and not plain integer 0 NFSD: simplify struct nfsfh ...
Diffstat (limited to 'fs/lockd')
-rw-r--r--fs/lockd/svc.c6
-rw-r--r--fs/lockd/xdr.c152
-rw-r--r--fs/lockd/xdr4.c153
3 files changed, 145 insertions, 166 deletions
diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c
index b632be3ad57b..b220e1b91726 100644
--- a/fs/lockd/svc.c
+++ b/fs/lockd/svc.c
@@ -780,11 +780,9 @@ module_exit(exit_nlm);
static int nlmsvc_dispatch(struct svc_rqst *rqstp, __be32 *statp)
{
const struct svc_procedure *procp = rqstp->rq_procinfo;
- struct kvec *argv = rqstp->rq_arg.head;
- struct kvec *resv = rqstp->rq_res.head;
svcxdr_init_decode(rqstp);
- if (!procp->pc_decode(rqstp, argv->iov_base))
+ if (!procp->pc_decode(rqstp, &rqstp->rq_arg_stream))
goto out_decode_err;
*statp = procp->pc_func(rqstp);
@@ -794,7 +792,7 @@ static int nlmsvc_dispatch(struct svc_rqst *rqstp, __be32 *statp)
return 1;
svcxdr_init_encode(rqstp);
- if (!procp->pc_encode(rqstp, resv->iov_base + resv->iov_len))
+ if (!procp->pc_encode(rqstp, &rqstp->rq_res_stream))
goto out_encode_err;
return 1;
diff --git a/fs/lockd/xdr.c b/fs/lockd/xdr.c
index 9235e60b1769..2fb5748dae0c 100644
--- a/fs/lockd/xdr.c
+++ b/fs/lockd/xdr.c
@@ -145,137 +145,131 @@ svcxdr_encode_testrply(struct xdr_stream *xdr, const struct nlm_res *resp)
* Decode Call arguments
*/
-int
-nlmsvc_decode_void(struct svc_rqst *rqstp, __be32 *p)
+bool
+nlmsvc_decode_void(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{
- return 1;
+ return true;
}
-int
-nlmsvc_decode_testargs(struct svc_rqst *rqstp, __be32 *p)
+bool
+nlmsvc_decode_testargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{
- struct xdr_stream *xdr = &rqstp->rq_arg_stream;
struct nlm_args *argp = rqstp->rq_argp;
u32 exclusive;
if (!svcxdr_decode_cookie(xdr, &argp->cookie))
- return 0;
+ return false;
if (xdr_stream_decode_bool(xdr, &exclusive) < 0)
- return 0;
+ return false;
if (!svcxdr_decode_lock(xdr, &argp->lock))
- return 0;
+ return false;
if (exclusive)
argp->lock.fl.fl_type = F_WRLCK;
- return 1;
+ return true;
}
-int
-nlmsvc_decode_lockargs(struct svc_rqst *rqstp, __be32 *p)
+bool
+nlmsvc_decode_lockargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{
- struct xdr_stream *xdr = &rqstp->rq_arg_stream;
struct nlm_args *argp = rqstp->rq_argp;
u32 exclusive;
if (!svcxdr_decode_cookie(xdr, &argp->cookie))
- return 0;
+ return false;
if (xdr_stream_decode_bool(xdr, &argp->block) < 0)
- return 0;
+ return false;
if (xdr_stream_decode_bool(xdr, &exclusive) < 0)
- return 0;
+ return false;
if (!svcxdr_decode_lock(xdr, &argp->lock))
- return 0;
+ return false;
if (exclusive)
argp->lock.fl.fl_type = F_WRLCK;
if (xdr_stream_decode_bool(xdr, &argp->reclaim) < 0)
- return 0;
+ return false;
if (xdr_stream_decode_u32(xdr, &argp->state) < 0)
- return 0;
+ return false;
argp->monitor = 1; /* monitor client by default */
- return 1;
+ return true;
}
-int
-nlmsvc_decode_cancargs(struct svc_rqst *rqstp, __be32 *p)
+bool
+nlmsvc_decode_cancargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{
- struct xdr_stream *xdr = &rqstp->rq_arg_stream;
struct nlm_args *argp = rqstp->rq_argp;
u32 exclusive;
if (!svcxdr_decode_cookie(xdr, &argp->cookie))
- return 0;
+ return false;
if (xdr_stream_decode_bool(xdr, &argp->block) < 0)
- return 0;
+ return false;
if (xdr_stream_decode_bool(xdr, &exclusive) < 0)
- return 0;
+ return false;
if (!svcxdr_decode_lock(xdr, &argp->lock))
- return 0;
+ return false;
if (exclusive)
argp->lock.fl.fl_type = F_WRLCK;
- return 1;
+ return true;
}
-int
-nlmsvc_decode_unlockargs(struct svc_rqst *rqstp, __be32 *p)
+bool
+nlmsvc_decode_unlockargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{
- struct xdr_stream *xdr = &rqstp->rq_arg_stream;
struct nlm_args *argp = rqstp->rq_argp;
if (!svcxdr_decode_cookie(xdr, &argp->cookie))
- return 0;
+ return false;
if (!svcxdr_decode_lock(xdr, &argp->lock))
- return 0;
+ return false;
argp->lock.fl.fl_type = F_UNLCK;
- return 1;
+ return true;
}
-int
-nlmsvc_decode_res(struct svc_rqst *rqstp, __be32 *p)
+bool
+nlmsvc_decode_res(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{
- struct xdr_stream *xdr = &rqstp->rq_arg_stream;
struct nlm_res *resp = rqstp->rq_argp;
if (!svcxdr_decode_cookie(xdr, &resp->cookie))
- return 0;
+ return false;
if (!svcxdr_decode_stats(xdr, &resp->status))
- return 0;
+ return false;
- return 1;
+ return true;
}
-int
-nlmsvc_decode_reboot(struct svc_rqst *rqstp, __be32 *p)
+bool
+nlmsvc_decode_reboot(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{
- struct xdr_stream *xdr = &rqstp->rq_arg_stream;
struct nlm_reboot *argp = rqstp->rq_argp;
+ __be32 *p;
u32 len;
if (xdr_stream_decode_u32(xdr, &len) < 0)
- return 0;
+ return false;
if (len > SM_MAXSTRLEN)
- return 0;
+ return false;
p = xdr_inline_decode(xdr, len);
if (!p)
- return 0;
+ return false;
argp->len = len;
argp->mon = (char *)p;
if (xdr_stream_decode_u32(xdr, &argp->state) < 0)
- return 0;
+ return false;
p = xdr_inline_decode(xdr, SM_PRIV_SIZE);
if (!p)
- return 0;
+ return false;
memcpy(&argp->priv.data, p, sizeof(argp->priv.data));
- return 1;
+ return true;
}
-int
-nlmsvc_decode_shareargs(struct svc_rqst *rqstp, __be32 *p)
+bool
+nlmsvc_decode_shareargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{
- struct xdr_stream *xdr = &rqstp->rq_arg_stream;
struct nlm_args *argp = rqstp->rq_argp;
struct nlm_lock *lock = &argp->lock;
@@ -284,35 +278,34 @@ nlmsvc_decode_shareargs(struct svc_rqst *rqstp, __be32 *p)
lock->svid = ~(u32)0;
if (!svcxdr_decode_cookie(xdr, &argp->cookie))
- return 0;
+ return false;
if (!svcxdr_decode_string(xdr, &lock->caller, &lock->len))
- return 0;
+ return false;
if (!svcxdr_decode_fhandle(xdr, &lock->fh))
- return 0;
+ return false;
if (!svcxdr_decode_owner(xdr, &lock->oh))
- return 0;
+ return false;
/* XXX: Range checks are missing in the original code */
if (xdr_stream_decode_u32(xdr, &argp->fsm_mode) < 0)
- return 0;
+ return false;
if (xdr_stream_decode_u32(xdr, &argp->fsm_access) < 0)
- return 0;
+ return false;
- return 1;
+ return true;
}
-int
-nlmsvc_decode_notify(struct svc_rqst *rqstp, __be32 *p)
+bool
+nlmsvc_decode_notify(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{
- struct xdr_stream *xdr = &rqstp->rq_arg_stream;
struct nlm_args *argp = rqstp->rq_argp;
struct nlm_lock *lock = &argp->lock;
if (!svcxdr_decode_string(xdr, &lock->caller, &lock->len))
- return 0;
+ return false;
if (xdr_stream_decode_u32(xdr, &argp->state) < 0)
- return 0;
+ return false;
- return 1;
+ return true;
}
@@ -320,45 +313,42 @@ nlmsvc_decode_notify(struct svc_rqst *rqstp, __be32 *p)
* Encode Reply results
*/
-int
-nlmsvc_encode_void(struct svc_rqst *rqstp, __be32 *p)
+bool
+nlmsvc_encode_void(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{
- return 1;
+ return true;
}
-int
-nlmsvc_encode_testres(struct svc_rqst *rqstp, __be32 *p)
+bool
+nlmsvc_encode_testres(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{
- struct xdr_stream *xdr = &rqstp->rq_res_stream;
struct nlm_res *resp = rqstp->rq_resp;
return svcxdr_encode_cookie(xdr, &resp->cookie) &&
svcxdr_encode_testrply(xdr, resp);
}
-int
-nlmsvc_encode_res(struct svc_rqst *rqstp, __be32 *p)
+bool
+nlmsvc_encode_res(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{
- struct xdr_stream *xdr = &rqstp->rq_res_stream;
struct nlm_res *resp = rqstp->rq_resp;
return svcxdr_encode_cookie(xdr, &resp->cookie) &&
svcxdr_encode_stats(xdr, resp->status);
}
-int
-nlmsvc_encode_shareres(struct svc_rqst *rqstp, __be32 *p)
+bool
+nlmsvc_encode_shareres(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{
- struct xdr_stream *xdr = &rqstp->rq_res_stream;
struct nlm_res *resp = rqstp->rq_resp;
if (!svcxdr_encode_cookie(xdr, &resp->cookie))
- return 0;
+ return false;
if (!svcxdr_encode_stats(xdr, resp->status))
- return 0;
+ return false;
/* sequence */
if (xdr_stream_encode_u32(xdr, 0) < 0)
- return 0;
+ return false;
- return 1;
+ return true;
}
diff --git a/fs/lockd/xdr4.c b/fs/lockd/xdr4.c
index 98e957e4566c..856267c0864b 100644
--- a/fs/lockd/xdr4.c
+++ b/fs/lockd/xdr4.c
@@ -144,136 +144,131 @@ svcxdr_encode_testrply(struct xdr_stream *xdr, const struct nlm_res *resp)
* Decode Call arguments
*/
-int
-nlm4svc_decode_void(struct svc_rqst *rqstp, __be32 *p)
+bool
+nlm4svc_decode_void(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{
- return 1;
+ return true;
}
-int
-nlm4svc_decode_testargs(struct svc_rqst *rqstp, __be32 *p)
+bool
+nlm4svc_decode_testargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{
- struct xdr_stream *xdr = &rqstp->rq_arg_stream;
struct nlm_args *argp = rqstp->rq_argp;
u32 exclusive;
if (!svcxdr_decode_cookie(xdr, &argp->cookie))
- return 0;
+ return false;
if (xdr_stream_decode_bool(xdr, &exclusive) < 0)
- return 0;
+ return false;
if (!svcxdr_decode_lock(xdr, &argp->lock))
- return 0;
+ return false;
if (exclusive)
argp->lock.fl.fl_type = F_WRLCK;
- return 1;
+ return true;
}
-int
-nlm4svc_decode_lockargs(struct svc_rqst *rqstp, __be32 *p)
+bool
+nlm4svc_decode_lockargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{
- struct xdr_stream *xdr = &rqstp->rq_arg_stream;
struct nlm_args *argp = rqstp->rq_argp;
u32 exclusive;
if (!svcxdr_decode_cookie(xdr, &argp->cookie))
- return 0;
+ return false;
if (xdr_stream_decode_bool(xdr, &argp->block) < 0)
- return 0;
+ return false;
if (xdr_stream_decode_bool(xdr, &exclusive) < 0)
- return 0;
+ return false;
if (!svcxdr_decode_lock(xdr, &argp->lock))
- return 0;
+ return false;
if (exclusive)
argp->lock.fl.fl_type = F_WRLCK;
if (xdr_stream_decode_bool(xdr, &argp->reclaim) < 0)
- return 0;
+ return false;
if (xdr_stream_decode_u32(xdr, &argp->state) < 0)
- return 0;
+ return false;
argp->monitor = 1; /* monitor client by default */
- return 1;
+ return true;
}
-int
-nlm4svc_decode_cancargs(struct svc_rqst *rqstp, __be32 *p)
+bool
+nlm4svc_decode_cancargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{
- struct xdr_stream *xdr = &rqstp->rq_arg_stream;
struct nlm_args *argp = rqstp->rq_argp;
u32 exclusive;
if (!svcxdr_decode_cookie(xdr, &argp->cookie))
- return 0;
+ return false;
if (xdr_stream_decode_bool(xdr, &argp->block) < 0)
- return 0;
+ return false;
if (xdr_stream_decode_bool(xdr, &exclusive) < 0)
- return 0;
+ return false;
if (!svcxdr_decode_lock(xdr, &argp->lock))
- return 0;
+ return false;
if (exclusive)
argp->lock.fl.fl_type = F_WRLCK;
- return 1;
+
+ return true;
}
-int
-nlm4svc_decode_unlockargs(struct svc_rqst *rqstp, __be32 *p)
+bool
+nlm4svc_decode_unlockargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{
- struct xdr_stream *xdr = &rqstp->rq_arg_stream;
struct nlm_args *argp = rqstp->rq_argp;
if (!svcxdr_decode_cookie(xdr, &argp->cookie))
- return 0;
+ return false;
if (!svcxdr_decode_lock(xdr, &argp->lock))
- return 0;
+ return false;
argp->lock.fl.fl_type = F_UNLCK;
- return 1;
+ return true;
}
-int
-nlm4svc_decode_res(struct svc_rqst *rqstp, __be32 *p)
+bool
+nlm4svc_decode_res(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{
- struct xdr_stream *xdr = &rqstp->rq_arg_stream;
struct nlm_res *resp = rqstp->rq_argp;
if (!svcxdr_decode_cookie(xdr, &resp->cookie))
- return 0;
+ return false;
if (!svcxdr_decode_stats(xdr, &resp->status))
- return 0;
+ return false;
- return 1;
+ return true;
}
-int
-nlm4svc_decode_reboot(struct svc_rqst *rqstp, __be32 *p)
+bool
+nlm4svc_decode_reboot(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{
- struct xdr_stream *xdr = &rqstp->rq_arg_stream;
struct nlm_reboot *argp = rqstp->rq_argp;
+ __be32 *p;
u32 len;
if (xdr_stream_decode_u32(xdr, &len) < 0)
- return 0;
+ return false;
if (len > SM_MAXSTRLEN)
- return 0;
+ return false;
p = xdr_inline_decode(xdr, len);
if (!p)
- return 0;
+ return false;
argp->len = len;
argp->mon = (char *)p;
if (xdr_stream_decode_u32(xdr, &argp->state) < 0)
- return 0;
+ return false;
p = xdr_inline_decode(xdr, SM_PRIV_SIZE);
if (!p)
- return 0;
+ return false;
memcpy(&argp->priv.data, p, sizeof(argp->priv.data));
- return 1;
+ return true;
}
-int
-nlm4svc_decode_shareargs(struct svc_rqst *rqstp, __be32 *p)
+bool
+nlm4svc_decode_shareargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{
- struct xdr_stream *xdr = &rqstp->rq_arg_stream;
struct nlm_args *argp = rqstp->rq_argp;
struct nlm_lock *lock = &argp->lock;
@@ -282,35 +277,34 @@ nlm4svc_decode_shareargs(struct svc_rqst *rqstp, __be32 *p)
lock->svid = ~(u32)0;
if (!svcxdr_decode_cookie(xdr, &argp->cookie))
- return 0;
+ return false;
if (!svcxdr_decode_string(xdr, &lock->caller, &lock->len))
- return 0;
+ return false;
if (!svcxdr_decode_fhandle(xdr, &lock->fh))
- return 0;
+ return false;
if (!svcxdr_decode_owner(xdr, &lock->oh))
- return 0;
+ return false;
/* XXX: Range checks are missing in the original code */
if (xdr_stream_decode_u32(xdr, &argp->fsm_mode) < 0)
- return 0;
+ return false;
if (xdr_stream_decode_u32(xdr, &argp->fsm_access) < 0)
- return 0;
+ return false;
- return 1;
+ return true;
}
-int
-nlm4svc_decode_notify(struct svc_rqst *rqstp, __be32 *p)
+bool
+nlm4svc_decode_notify(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{
- struct xdr_stream *xdr = &rqstp->rq_arg_stream;
struct nlm_args *argp = rqstp->rq_argp;
struct nlm_lock *lock = &argp->lock;
if (!svcxdr_decode_string(xdr, &lock->caller, &lock->len))
- return 0;
+ return false;
if (xdr_stream_decode_u32(xdr, &argp->state) < 0)
- return 0;
+ return false;
- return 1;
+ return true;
}
@@ -318,45 +312,42 @@ nlm4svc_decode_notify(struct svc_rqst *rqstp, __be32 *p)
* Encode Reply results
*/
-int
-nlm4svc_encode_void(struct svc_rqst *rqstp, __be32 *p)
+bool
+nlm4svc_encode_void(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{
- return 1;
+ return true;
}
-int
-nlm4svc_encode_testres(struct svc_rqst *rqstp, __be32 *p)
+bool
+nlm4svc_encode_testres(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{
- struct xdr_stream *xdr = &rqstp->rq_res_stream;
struct nlm_res *resp = rqstp->rq_resp;
return svcxdr_encode_cookie(xdr, &resp->cookie) &&
svcxdr_encode_testrply(xdr, resp);
}
-int
-nlm4svc_encode_res(struct svc_rqst *rqstp, __be32 *p)
+bool
+nlm4svc_encode_res(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{
- struct xdr_stream *xdr = &rqstp->rq_res_stream;
struct nlm_res *resp = rqstp->rq_resp;
return svcxdr_encode_cookie(xdr, &resp->cookie) &&
svcxdr_encode_stats(xdr, resp->status);
}
-int
-nlm4svc_encode_shareres(struct svc_rqst *rqstp, __be32 *p)
+bool
+nlm4svc_encode_shareres(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{
- struct xdr_stream *xdr = &rqstp->rq_res_stream;
struct nlm_res *resp = rqstp->rq_resp;
if (!svcxdr_encode_cookie(xdr, &resp->cookie))
- return 0;
+ return false;
if (!svcxdr_encode_stats(xdr, resp->status))
- return 0;
+ return false;
/* sequence */
if (xdr_stream_encode_u32(xdr, 0) < 0)
- return 0;
+ return false;
- return 1;
+ return true;
}