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-rw-r--r--fs/nfs/file.c3
-rw-r--r--fs/nfs/nfs4xdr.c2
-rw-r--r--include/linux/sunrpc/bc_xprt.h5
-rw-r--r--net/sunrpc/auth_gss/auth_gss.c5
-rw-r--r--net/sunrpc/bc_svc.c15
-rw-r--r--net/sunrpc/clnt.c1
-rw-r--r--net/sunrpc/rpc_pipe.c2
-rw-r--r--net/sunrpc/xprt.c22
-rw-r--r--net/sunrpc/xprtsock.c3
9 files changed, 22 insertions, 36 deletions
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index ae8d022..ae0d927 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -491,7 +491,8 @@ static int nfs_release_page(struct page *page, gfp_t gfp)
{
dfprintk(PAGECACHE, "NFS: release_page(%p)\n", page);
- if (gfp & __GFP_WAIT)
+ /* Only do I/O if gfp is a superset of GFP_KERNEL */
+ if ((gfp & GFP_KERNEL) == GFP_KERNEL)
nfs_wb_page(page->mapping->host, page);
/* If PagePrivate() is set, then the page is not freeable */
if (PagePrivate(page))
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 4d338be..dd17713 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -5552,6 +5552,8 @@ static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, __be32 *p, struct nf
if (status != 0)
goto out;
status = decode_delegreturn(&xdr);
+ if (status != 0)
+ goto out;
decode_getfattr(&xdr, res->fattr, res->server,
!RPC_IS_ASYNC(rqstp->rq_task));
out:
diff --git a/include/linux/sunrpc/bc_xprt.h b/include/linux/sunrpc/bc_xprt.h
index d7152b4..7c91260 100644
--- a/include/linux/sunrpc/bc_xprt.h
+++ b/include/linux/sunrpc/bc_xprt.h
@@ -36,7 +36,6 @@ struct rpc_rqst *xprt_alloc_bc_request(struct rpc_xprt *xprt);
void xprt_free_bc_request(struct rpc_rqst *req);
int xprt_setup_backchannel(struct rpc_xprt *, unsigned int min_reqs);
void xprt_destroy_backchannel(struct rpc_xprt *, int max_reqs);
-void bc_release_request(struct rpc_task *);
int bc_send(struct rpc_rqst *req);
/*
@@ -59,6 +58,10 @@ static inline int svc_is_backchannel(const struct svc_rqst *rqstp)
{
return 0;
}
+
+static inline void xprt_free_bc_request(struct rpc_rqst *req)
+{
+}
#endif /* CONFIG_NFS_V4_1 */
#endif /* _LINUX_SUNRPC_BC_XPRT_H */
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index 0cfccc2a..c389ccf 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -1280,9 +1280,8 @@ alloc_enc_pages(struct rpc_rqst *rqstp)
rqstp->rq_release_snd_buf = priv_release_snd_buf;
return 0;
out_free:
- for (i--; i >= 0; i--) {
- __free_page(rqstp->rq_enc_pages[i]);
- }
+ rqstp->rq_enc_pages_num = i;
+ priv_release_snd_buf(rqstp);
out:
return -EAGAIN;
}
diff --git a/net/sunrpc/bc_svc.c b/net/sunrpc/bc_svc.c
index 13f214f..f0c05d3 100644
--- a/net/sunrpc/bc_svc.c
+++ b/net/sunrpc/bc_svc.c
@@ -37,21 +37,6 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#define RPCDBG_FACILITY RPCDBG_SVCDSP
-void bc_release_request(struct rpc_task *task)
-{
- struct rpc_rqst *req = task->tk_rqstp;
-
- dprintk("RPC: bc_release_request: task= %p\n", task);
-
- /*
- * Release this request only if it's a backchannel
- * preallocated request
- */
- if (!bc_prealloc(req))
- return;
- xprt_free_bc_request(req);
-}
-
/* Empty callback ops */
static const struct rpc_call_ops nfs41_callback_ops = {
};
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 154034b..19c9983 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -659,6 +659,7 @@ struct rpc_task *rpc_run_bc_task(struct rpc_rqst *req,
task = rpc_new_task(&task_setup_data);
if (!task) {
xprt_free_bc_request(req);
+ task = ERR_PTR(-ENOMEM);
goto out;
}
task->tk_rqstp = req;
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 8d63f8f..20e30c6 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -587,6 +587,8 @@ static struct dentry *__rpc_lookup_create_exclusive(struct dentry *parent,
struct dentry *dentry;
dentry = __rpc_lookup_create(parent, name);
+ if (IS_ERR(dentry))
+ return dentry;
if (dentry->d_inode == NULL)
return dentry;
dput(dentry);
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index 469de29..42f09ad 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -46,6 +46,7 @@
#include <linux/sunrpc/clnt.h>
#include <linux/sunrpc/metrics.h>
+#include <linux/sunrpc/bc_xprt.h>
#include "sunrpc.h"
@@ -1032,21 +1033,16 @@ void xprt_release(struct rpc_task *task)
if (req->rq_release_snd_buf)
req->rq_release_snd_buf(req);
- /*
- * Early exit if this is a backchannel preallocated request.
- * There is no need to have it added to the RPC slot list.
- */
- if (is_bc_request)
- return;
-
- memset(req, 0, sizeof(*req)); /* mark unused */
-
dprintk("RPC: %5u release request %p\n", task->tk_pid, req);
+ if (likely(!is_bc_request)) {
+ memset(req, 0, sizeof(*req)); /* mark unused */
- spin_lock(&xprt->reserve_lock);
- list_add(&req->rq_list, &xprt->free);
- rpc_wake_up_next(&xprt->backlog);
- spin_unlock(&xprt->reserve_lock);
+ spin_lock(&xprt->reserve_lock);
+ list_add(&req->rq_list, &xprt->free);
+ rpc_wake_up_next(&xprt->backlog);
+ spin_unlock(&xprt->reserve_lock);
+ } else
+ xprt_free_bc_request(req);
}
/**
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index e4839c0..9847c30 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -2251,9 +2251,6 @@ static struct rpc_xprt_ops xs_tcp_ops = {
.buf_free = rpc_free,
.send_request = xs_tcp_send_request,
.set_retrans_timeout = xprt_set_retrans_timeout_def,
-#if defined(CONFIG_NFS_V4_1)
- .release_request = bc_release_request,
-#endif /* CONFIG_NFS_V4_1 */
.close = xs_tcp_close,
.destroy = xs_destroy,
.print_stats = xs_tcp_print_stats,
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