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From: David Howells <dhowells@redhat.com>
To: Trond Myklebust <trondmy@hammerspace.com>,
	Anna Schumaker <anna.schumaker@netapp.com>,
	Steve French <sfrench@samba.org>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Matthew Wilcox <willy@infradead.org>
Cc: Jeff Layton <jlayton@redhat.com>,
	Dave Wysochanski <dwysocha@redhat.com>,
	dhowells@redhat.com, linux-cachefs@redhat.com,
	linux-afs@lists.infradead.org, linux-nfs@vger.kernel.org,
	linux-cifs@vger.kernel.org, ceph-devel@vger.kernel.org,
	v9fs-developer@lists.sourceforge.net,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 03/13] afs: Don't truncate iter during data fetch
Date: Mon, 13 Jul 2020 17:37:30 +0100	[thread overview]
Message-ID: <159465825061.1377938.14403904452300909320.stgit@warthog.procyon.org.uk> (raw)
In-Reply-To: <159465821598.1377938.2046362270225008168.stgit@warthog.procyon.org.uk>

Don't truncate the iterator to correspond to the actual data size when
fetching the data from the server - rather, pass the length we want to read
to rxrpc.

This will allow the clear-after-read code in future to simply clear the
remaining iterator capacity rather than having to reinitialise the
iterator.

Signed-off-by: David Howells <dhowells@redhat.com>
---

 fs/afs/fsclient.c      |    6 ++++--
 fs/afs/internal.h      |    6 ++++++
 fs/afs/rxrpc.c         |   13 +++++++++----
 fs/afs/yfsclient.c     |    6 ++++--
 include/net/af_rxrpc.h |    2 +-
 net/rxrpc/recvmsg.c    |    9 +++++----
 6 files changed, 29 insertions(+), 13 deletions(-)

diff --git a/fs/afs/fsclient.c b/fs/afs/fsclient.c
index acb4d0ca2649..3ed95f3e47be 100644
--- a/fs/afs/fsclient.c
+++ b/fs/afs/fsclient.c
@@ -305,8 +305,9 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call)
 	unsigned int size;
 	int ret;
 
-	_enter("{%u,%zu/%llu}",
-	       call->unmarshall, iov_iter_count(call->iter), req->actual_len);
+	_enter("{%u,%zu,%zu/%llu}",
+	       call->unmarshall, call->iov_len, iov_iter_count(call->iter),
+	       req->actual_len);
 
 	switch (call->unmarshall) {
 	case 0:
@@ -343,6 +344,7 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call)
 			size = PAGE_SIZE - req->offset;
 		else
 			size = req->remain;
+		call->iov_len = size;
 		call->bvec[0].bv_len = size;
 		call->bvec[0].bv_offset = req->offset;
 		call->bvec[0].bv_page = req->pages[req->index];
diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index 644a04ce83a3..bf26fd28ccbd 100644
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -104,6 +104,7 @@ struct afs_call {
 	struct afs_server	*server;	/* The fileserver record if fs op (pins ref) */
 	struct afs_vlserver	*vlserver;	/* The vlserver record if vl op */
 	void			*request;	/* request data (first part) */
+	size_t			iov_len;	/* Size of *iter to be used */
 	struct iov_iter		def_iter;	/* Default buffer/data iterator */
 	struct iov_iter		*iter;		/* Iterator currently in use */
 	union {	/* Convenience for ->def_iter */
@@ -1194,6 +1195,7 @@ static inline void afs_make_op_call(struct afs_operation *op, struct afs_call *c
 
 static inline void afs_extract_begin(struct afs_call *call, void *buf, size_t size)
 {
+	call->iov_len = size;
 	call->kvec[0].iov_base = buf;
 	call->kvec[0].iov_len = size;
 	iov_iter_kvec(&call->def_iter, READ, call->kvec, 1, size);
@@ -1201,21 +1203,25 @@ static inline void afs_extract_begin(struct afs_call *call, void *buf, size_t si
 
 static inline void afs_extract_to_tmp(struct afs_call *call)
 {
+	call->iov_len = sizeof(call->tmp);
 	afs_extract_begin(call, &call->tmp, sizeof(call->tmp));
 }
 
 static inline void afs_extract_to_tmp64(struct afs_call *call)
 {
+	call->iov_len = sizeof(call->tmp64);
 	afs_extract_begin(call, &call->tmp64, sizeof(call->tmp64));
 }
 
 static inline void afs_extract_discard(struct afs_call *call, size_t size)
 {
+	call->iov_len = size;
 	iov_iter_discard(&call->def_iter, READ, size);
 }
 
 static inline void afs_extract_to_buf(struct afs_call *call, size_t size)
 {
+	call->iov_len = size;
 	afs_extract_begin(call, call->buffer, size);
 }
 
diff --git a/fs/afs/rxrpc.c b/fs/afs/rxrpc.c
index 8fc8fb406a5a..3b90ecf7958d 100644
--- a/fs/afs/rxrpc.c
+++ b/fs/afs/rxrpc.c
@@ -363,6 +363,7 @@ void afs_make_call(struct afs_addr_cursor *ac, struct afs_call *call, gfp_t gfp)
 	struct rxrpc_call *rxcall;
 	struct msghdr msg;
 	struct kvec iov[1];
+	size_t len;
 	s64 tx_total_len;
 	int ret;
 
@@ -466,9 +467,10 @@ void afs_make_call(struct afs_addr_cursor *ac, struct afs_call *call, gfp_t gfp)
 		rxrpc_kernel_abort_call(call->net->socket, rxcall,
 					RX_USER_ABORT, ret, "KSD");
 	} else {
+		len = 0;
 		iov_iter_kvec(&msg.msg_iter, READ, NULL, 0, 0);
 		rxrpc_kernel_recv_data(call->net->socket, rxcall,
-				       &msg.msg_iter, false,
+				       &msg.msg_iter, &len, false,
 				       &call->abort_code, &call->service_id);
 		ac->abort_code = call->abort_code;
 		ac->responded = true;
@@ -504,6 +506,7 @@ void afs_make_call(struct afs_addr_cursor *ac, struct afs_call *call, gfp_t gfp)
 static void afs_deliver_to_call(struct afs_call *call)
 {
 	enum afs_call_state state;
+	size_t len;
 	u32 abort_code, remote_abort = 0;
 	int ret;
 
@@ -516,10 +519,11 @@ static void afs_deliver_to_call(struct afs_call *call)
 	       state == AFS_CALL_SV_AWAIT_ACK
 	       ) {
 		if (state == AFS_CALL_SV_AWAIT_ACK) {
+			len = 0;
 			iov_iter_kvec(&call->def_iter, READ, NULL, 0, 0);
 			ret = rxrpc_kernel_recv_data(call->net->socket,
 						     call->rxcall, &call->def_iter,
-						     false, &remote_abort,
+						     &len, false, &remote_abort,
 						     &call->service_id);
 			trace_afs_receive_data(call, &call->def_iter, false, ret);
 
@@ -929,10 +933,11 @@ int afs_extract_data(struct afs_call *call, bool want_more)
 	u32 remote_abort = 0;
 	int ret;
 
-	_enter("{%s,%zu},%d", call->type->name, iov_iter_count(iter), want_more);
+	_enter("{%s,%zu,%zu},%d",
+	       call->type->name, call->iov_len, iov_iter_count(iter), want_more);
 
 	ret = rxrpc_kernel_recv_data(net->socket, call->rxcall, iter,
-				     want_more, &remote_abort,
+				     &call->iov_len, want_more, &remote_abort,
 				     &call->service_id);
 	if (ret == 0 || ret == -EAGAIN)
 		return ret;
diff --git a/fs/afs/yfsclient.c b/fs/afs/yfsclient.c
index 8c24fdc899e3..a53bcea8740c 100644
--- a/fs/afs/yfsclient.c
+++ b/fs/afs/yfsclient.c
@@ -363,8 +363,9 @@ static int yfs_deliver_fs_fetch_data64(struct afs_call *call)
 	unsigned int size;
 	int ret;
 
-	_enter("{%u,%zu/%llu}",
-	       call->unmarshall, iov_iter_count(call->iter), req->actual_len);
+	_enter("{%u,%zu, %zu/%llu}",
+	       call->unmarshall, call->iov_len, iov_iter_count(call->iter),
+	       req->actual_len);
 
 	switch (call->unmarshall) {
 	case 0:
@@ -396,6 +397,7 @@ static int yfs_deliver_fs_fetch_data64(struct afs_call *call)
 			size = PAGE_SIZE - req->offset;
 		else
 			size = req->remain;
+		call->iov_len = size;
 		call->bvec[0].bv_len = size;
 		call->bvec[0].bv_offset = req->offset;
 		call->bvec[0].bv_page = req->pages[req->index];
diff --git a/include/net/af_rxrpc.h b/include/net/af_rxrpc.h
index 91eacbdcf33d..076bf895be1d 100644
--- a/include/net/af_rxrpc.h
+++ b/include/net/af_rxrpc.h
@@ -53,7 +53,7 @@ int rxrpc_kernel_send_data(struct socket *, struct rxrpc_call *,
 			   struct msghdr *, size_t,
 			   rxrpc_notify_end_tx_t);
 int rxrpc_kernel_recv_data(struct socket *, struct rxrpc_call *,
-			   struct iov_iter *, bool, u32 *, u16 *);
+			   struct iov_iter *, size_t *, bool, u32 *, u16 *);
 bool rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *,
 			     u32, int, const char *);
 void rxrpc_kernel_end_call(struct socket *, struct rxrpc_call *);
diff --git a/net/rxrpc/recvmsg.c b/net/rxrpc/recvmsg.c
index 2989742a4aa1..ea3c42c417b3 100644
--- a/net/rxrpc/recvmsg.c
+++ b/net/rxrpc/recvmsg.c
@@ -703,6 +703,7 @@ int rxrpc_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
  * @sock: The socket that the call exists on
  * @call: The call to send data through
  * @iter: The buffer to receive into
+ * @_len: The amount of data we want to receive (decreased on return)
  * @want_more: True if more data is expected to be read
  * @_abort: Where the abort code is stored if -ECONNABORTED is returned
  * @_service: Where to store the actual service ID (may be upgraded)
@@ -718,7 +719,7 @@ int rxrpc_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
  * *_abort should also be initialised to 0.
  */
 int rxrpc_kernel_recv_data(struct socket *sock, struct rxrpc_call *call,
-			   struct iov_iter *iter,
+			   struct iov_iter *iter, size_t *_len,
 			   bool want_more, u32 *_abort, u16 *_service)
 {
 	size_t offset = 0;
@@ -726,7 +727,7 @@ int rxrpc_kernel_recv_data(struct socket *sock, struct rxrpc_call *call,
 
 	_enter("{%d,%s},%zu,%d",
 	       call->debug_id, rxrpc_call_states[call->state],
-	       iov_iter_count(iter), want_more);
+	       *_len, want_more);
 
 	ASSERTCMP(call->state, !=, RXRPC_CALL_SERVER_ACCEPTING);
 
@@ -737,8 +738,8 @@ int rxrpc_kernel_recv_data(struct socket *sock, struct rxrpc_call *call,
 	case RXRPC_CALL_SERVER_RECV_REQUEST:
 	case RXRPC_CALL_SERVER_ACK_REQUEST:
 		ret = rxrpc_recvmsg_data(sock, call, NULL, iter,
-					 iov_iter_count(iter), 0,
-					 &offset);
+					 *_len, 0, &offset);
+		*_len -= offset;
 		if (ret < 0)
 			goto out;
 



WARNING: multiple messages have this Message-ID
From: David Howells <dhowells@redhat.com>
To: Trond Myklebust <trondmy@hammerspace.com>,
	Anna Schumaker <anna.schumaker@netapp.com>,
	Steve French <sfrench@samba.org>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Matthew Wilcox <willy@infradead.org>
Cc: linux-cifs@vger.kernel.org, linux-nfs@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-cachefs@redhat.com,
	linux-fsdevel@vger.kernel.org,
	v9fs-developer@lists.sourceforge.net, ceph-devel@vger.kernel.org,
	linux-afs@lists.infradead.org
Subject: [PATCH 03/13] afs: Don't truncate iter during data fetch
Date: Mon, 13 Jul 2020 17:37:30 +0100	[thread overview]
Message-ID: <159465825061.1377938.14403904452300909320.stgit@warthog.procyon.org.uk> (raw)
In-Reply-To: <159465821598.1377938.2046362270225008168.stgit@warthog.procyon.org.uk>

Don't truncate the iterator to correspond to the actual data size when
fetching the data from the server - rather, pass the length we want to read
to rxrpc.

This will allow the clear-after-read code in future to simply clear the
remaining iterator capacity rather than having to reinitialise the
iterator.

Signed-off-by: David Howells <dhowells@redhat.com>
---

 fs/afs/fsclient.c      |    6 ++++--
 fs/afs/internal.h      |    6 ++++++
 fs/afs/rxrpc.c         |   13 +++++++++----
 fs/afs/yfsclient.c     |    6 ++++--
 include/net/af_rxrpc.h |    2 +-
 net/rxrpc/recvmsg.c    |    9 +++++----
 6 files changed, 29 insertions(+), 13 deletions(-)

diff --git a/fs/afs/fsclient.c b/fs/afs/fsclient.c
index acb4d0ca2649..3ed95f3e47be 100644
--- a/fs/afs/fsclient.c
+++ b/fs/afs/fsclient.c
@@ -305,8 +305,9 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call)
 	unsigned int size;
 	int ret;
 
-	_enter("{%u,%zu/%llu}",
-	       call->unmarshall, iov_iter_count(call->iter), req->actual_len);
+	_enter("{%u,%zu,%zu/%llu}",
+	       call->unmarshall, call->iov_len, iov_iter_count(call->iter),
+	       req->actual_len);
 
 	switch (call->unmarshall) {
 	case 0:
@@ -343,6 +344,7 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call)
 			size = PAGE_SIZE - req->offset;
 		else
 			size = req->remain;
+		call->iov_len = size;
 		call->bvec[0].bv_len = size;
 		call->bvec[0].bv_offset = req->offset;
 		call->bvec[0].bv_page = req->pages[req->index];
diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index 644a04ce83a3..bf26fd28ccbd 100644
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -104,6 +104,7 @@ struct afs_call {
 	struct afs_server	*server;	/* The fileserver record if fs op (pins ref) */
 	struct afs_vlserver	*vlserver;	/* The vlserver record if vl op */
 	void			*request;	/* request data (first part) */
+	size_t			iov_len;	/* Size of *iter to be used */
 	struct iov_iter		def_iter;	/* Default buffer/data iterator */
 	struct iov_iter		*iter;		/* Iterator currently in use */
 	union {	/* Convenience for ->def_iter */
@@ -1194,6 +1195,7 @@ static inline void afs_make_op_call(struct afs_operation *op, struct afs_call *c
 
 static inline void afs_extract_begin(struct afs_call *call, void *buf, size_t size)
 {
+	call->iov_len = size;
 	call->kvec[0].iov_base = buf;
 	call->kvec[0].iov_len = size;
 	iov_iter_kvec(&call->def_iter, READ, call->kvec, 1, size);
@@ -1201,21 +1203,25 @@ static inline void afs_extract_begin(struct afs_call *call, void *buf, size_t si
 
 static inline void afs_extract_to_tmp(struct afs_call *call)
 {
+	call->iov_len = sizeof(call->tmp);
 	afs_extract_begin(call, &call->tmp, sizeof(call->tmp));
 }
 
 static inline void afs_extract_to_tmp64(struct afs_call *call)
 {
+	call->iov_len = sizeof(call->tmp64);
 	afs_extract_begin(call, &call->tmp64, sizeof(call->tmp64));
 }
 
 static inline void afs_extract_discard(struct afs_call *call, size_t size)
 {
+	call->iov_len = size;
 	iov_iter_discard(&call->def_iter, READ, size);
 }
 
 static inline void afs_extract_to_buf(struct afs_call *call, size_t size)
 {
+	call->iov_len = size;
 	afs_extract_begin(call, call->buffer, size);
 }
 
diff --git a/fs/afs/rxrpc.c b/fs/afs/rxrpc.c
index 8fc8fb406a5a..3b90ecf7958d 100644
--- a/fs/afs/rxrpc.c
+++ b/fs/afs/rxrpc.c
@@ -363,6 +363,7 @@ void afs_make_call(struct afs_addr_cursor *ac, struct afs_call *call, gfp_t gfp)
 	struct rxrpc_call *rxcall;
 	struct msghdr msg;
 	struct kvec iov[1];
+	size_t len;
 	s64 tx_total_len;
 	int ret;
 
@@ -466,9 +467,10 @@ void afs_make_call(struct afs_addr_cursor *ac, struct afs_call *call, gfp_t gfp)
 		rxrpc_kernel_abort_call(call->net->socket, rxcall,
 					RX_USER_ABORT, ret, "KSD");
 	} else {
+		len = 0;
 		iov_iter_kvec(&msg.msg_iter, READ, NULL, 0, 0);
 		rxrpc_kernel_recv_data(call->net->socket, rxcall,
-				       &msg.msg_iter, false,
+				       &msg.msg_iter, &len, false,
 				       &call->abort_code, &call->service_id);
 		ac->abort_code = call->abort_code;
 		ac->responded = true;
@@ -504,6 +506,7 @@ void afs_make_call(struct afs_addr_cursor *ac, struct afs_call *call, gfp_t gfp)
 static void afs_deliver_to_call(struct afs_call *call)
 {
 	enum afs_call_state state;
+	size_t len;
 	u32 abort_code, remote_abort = 0;
 	int ret;
 
@@ -516,10 +519,11 @@ static void afs_deliver_to_call(struct afs_call *call)
 	       state == AFS_CALL_SV_AWAIT_ACK
 	       ) {
 		if (state == AFS_CALL_SV_AWAIT_ACK) {
+			len = 0;
 			iov_iter_kvec(&call->def_iter, READ, NULL, 0, 0);
 			ret = rxrpc_kernel_recv_data(call->net->socket,
 						     call->rxcall, &call->def_iter,
-						     false, &remote_abort,
+						     &len, false, &remote_abort,
 						     &call->service_id);
 			trace_afs_receive_data(call, &call->def_iter, false, ret);
 
@@ -929,10 +933,11 @@ int afs_extract_data(struct afs_call *call, bool want_more)
 	u32 remote_abort = 0;
 	int ret;
 
-	_enter("{%s,%zu},%d", call->type->name, iov_iter_count(iter), want_more);
+	_enter("{%s,%zu,%zu},%d",
+	       call->type->name, call->iov_len, iov_iter_count(iter), want_more);
 
 	ret = rxrpc_kernel_recv_data(net->socket, call->rxcall, iter,
-				     want_more, &remote_abort,
+				     &call->iov_len, want_more, &remote_abort,
 				     &call->service_id);
 	if (ret == 0 || ret == -EAGAIN)
 		return ret;
diff --git a/fs/afs/yfsclient.c b/fs/afs/yfsclient.c
index 8c24fdc899e3..a53bcea8740c 100644
--- a/fs/afs/yfsclient.c
+++ b/fs/afs/yfsclient.c
@@ -363,8 +363,9 @@ static int yfs_deliver_fs_fetch_data64(struct afs_call *call)
 	unsigned int size;
 	int ret;
 
-	_enter("{%u,%zu/%llu}",
-	       call->unmarshall, iov_iter_count(call->iter), req->actual_len);
+	_enter("{%u,%zu, %zu/%llu}",
+	       call->unmarshall, call->iov_len, iov_iter_count(call->iter),
+	       req->actual_len);
 
 	switch (call->unmarshall) {
 	case 0:
@@ -396,6 +397,7 @@ static int yfs_deliver_fs_fetch_data64(struct afs_call *call)
 			size = PAGE_SIZE - req->offset;
 		else
 			size = req->remain;
+		call->iov_len = size;
 		call->bvec[0].bv_len = size;
 		call->bvec[0].bv_offset = req->offset;
 		call->bvec[0].bv_page = req->pages[req->index];
diff --git a/include/net/af_rxrpc.h b/include/net/af_rxrpc.h
index 91eacbdcf33d..076bf895be1d 100644
--- a/include/net/af_rxrpc.h
+++ b/include/net/af_rxrpc.h
@@ -53,7 +53,7 @@ int rxrpc_kernel_send_data(struct socket *, struct rxrpc_call *,
 			   struct msghdr *, size_t,
 			   rxrpc_notify_end_tx_t);
 int rxrpc_kernel_recv_data(struct socket *, struct rxrpc_call *,
-			   struct iov_iter *, bool, u32 *, u16 *);
+			   struct iov_iter *, size_t *, bool, u32 *, u16 *);
 bool rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *,
 			     u32, int, const char *);
 void rxrpc_kernel_end_call(struct socket *, struct rxrpc_call *);
diff --git a/net/rxrpc/recvmsg.c b/net/rxrpc/recvmsg.c
index 2989742a4aa1..ea3c42c417b3 100644
--- a/net/rxrpc/recvmsg.c
+++ b/net/rxrpc/recvmsg.c
@@ -703,6 +703,7 @@ int rxrpc_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
  * @sock: The socket that the call exists on
  * @call: The call to send data through
  * @iter: The buffer to receive into
+ * @_len: The amount of data we want to receive (decreased on return)
  * @want_more: True if more data is expected to be read
  * @_abort: Where the abort code is stored if -ECONNABORTED is returned
  * @_service: Where to store the actual service ID (may be upgraded)
@@ -718,7 +719,7 @@ int rxrpc_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
  * *_abort should also be initialised to 0.
  */
 int rxrpc_kernel_recv_data(struct socket *sock, struct rxrpc_call *call,
-			   struct iov_iter *iter,
+			   struct iov_iter *iter, size_t *_len,
 			   bool want_more, u32 *_abort, u16 *_service)
 {
 	size_t offset = 0;
@@ -726,7 +727,7 @@ int rxrpc_kernel_recv_data(struct socket *sock, struct rxrpc_call *call,
 
 	_enter("{%d,%s},%zu,%d",
 	       call->debug_id, rxrpc_call_states[call->state],
-	       iov_iter_count(iter), want_more);
+	       *_len, want_more);
 
 	ASSERTCMP(call->state, !=, RXRPC_CALL_SERVER_ACCEPTING);
 
@@ -737,8 +738,8 @@ int rxrpc_kernel_recv_data(struct socket *sock, struct rxrpc_call *call,
 	case RXRPC_CALL_SERVER_RECV_REQUEST:
 	case RXRPC_CALL_SERVER_ACK_REQUEST:
 		ret = rxrpc_recvmsg_data(sock, call, NULL, iter,
-					 iov_iter_count(iter), 0,
-					 &offset);
+					 *_len, 0, &offset);
+		*_len -= offset;
 		if (ret < 0)
 			goto out;
 

  parent reply	other threads:[~2020-07-13 16:37 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-13 16:36 [PATCH 00/13] fscache: Rewrite 3: Make AFS use it David Howells
2020-07-13 16:37 ` [PATCH 01/13] afs: Fix interruption of operations David Howells
2020-07-13 16:37 ` [PATCH 02/13] afs: Move key to afs_read struct David Howells
2020-07-13 16:37   ` David Howells
2020-07-13 16:37 ` David Howells [this message]
2020-07-13 16:37   ` [PATCH 03/13] afs: Don't truncate iter during data fetch David Howells
2020-07-13 16:37 ` [PATCH 04/13] afs: Log remote unmarshalling errors David Howells
2020-07-13 16:37   ` David Howells
2020-07-13 16:37 ` [PATCH 05/13] afs: Set up the iov_iter before calling afs_extract_data() David Howells
2020-07-13 16:37   ` David Howells
2020-07-13 16:38 ` [PATCH 06/13] afs: Use ITER_MAPPING for writing David Howells
2020-07-13 16:38   ` David Howells
2020-07-13 16:38 ` [PATCH 07/13] afs: Interpose struct fscache_io_request into struct afs_read David Howells
2020-07-13 16:38   ` David Howells
2020-07-13 16:38 ` [PATCH 08/13] afs: Note the amount transferred in fetch-data delivery David Howells
2020-07-13 16:38   ` David Howells
2020-07-13 16:38 ` [PATCH 09/13] afs: Wait on PG_fscache before modifying/releasing a page David Howells
2020-07-13 16:38 ` [PATCH 10/13] afs: Use new fscache I/O API David Howells
2020-07-13 16:38   ` David Howells
2020-07-13 16:39 ` [PATCH 11/13] afs: Copy local writes to the cache when writing to the server David Howells
2020-07-13 16:39 ` [PATCH 12/13] afs: Invoke fscache_resize_cookie() when handling ATTR_SIZE for setattr David Howells
2020-07-13 16:39 ` [PATCH 13/13] afs: Add O_DIRECT read support David Howells
2020-07-13 16:39   ` David Howells

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