NFS: Clean up the (commit|read|write)_setup() callback routines
Move the common code for setting up the nfs_write_data and nfs_read_data
structures into fs/nfs/read.c, fs/nfs/write.c and fs/nfs/direct.c.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index 5bcc764..244d1bd 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -272,8 +272,12 @@
unsigned long user_addr = (unsigned long)iov->iov_base;
size_t count = iov->iov_len;
size_t rsize = NFS_SERVER(inode)->rsize;
+ struct rpc_message msg = {
+ .rpc_cred = ctx->cred,
+ };
struct rpc_task_setup task_setup_data = {
.rpc_client = NFS_CLIENT(inode),
+ .rpc_message = &msg,
.callback_ops = &nfs_read_direct_ops,
.flags = RPC_TASK_ASYNC,
};
@@ -316,7 +320,7 @@
data->req = (struct nfs_page *) dreq;
data->inode = inode;
- data->cred = ctx->cred;
+ data->cred = msg.rpc_cred;
data->args.fh = NFS_FH(inode);
data->args.context = ctx;
data->args.offset = pos;
@@ -326,10 +330,12 @@
data->res.fattr = &data->fattr;
data->res.eof = 0;
data->res.count = bytes;
+ msg.rpc_argp = &data->args;
+ msg.rpc_resp = &data->res;
task_setup_data.callback_data = data;
+ NFS_PROTO(inode)->read_setup(data, &msg);
rpc_init_task(&data->task, &task_setup_data);
- NFS_PROTO(inode)->read_setup(data);
rpc_execute(&data->task);
@@ -434,6 +440,9 @@
struct inode *inode = dreq->inode;
struct list_head *p;
struct nfs_write_data *data;
+ struct rpc_message msg = {
+ .rpc_cred = dreq->ctx->cred,
+ };
struct rpc_task_setup task_setup_data = {
.rpc_client = NFS_CLIENT(inode),
.callback_ops = &nfs_write_direct_ops,
@@ -448,6 +457,9 @@
get_dreq(dreq);
+ /* Use stable writes */
+ data->args.stable = NFS_FILE_SYNC;
+
/*
* Reset data->res.
*/
@@ -460,8 +472,10 @@
* since the original request was sent.
*/
task_setup_data.callback_data = data;
+ msg.rpc_argp = &data->args;
+ msg.rpc_resp = &data->res;
+ NFS_PROTO(inode)->write_setup(data, &msg);
rpc_init_task(&data->task, &task_setup_data);
- NFS_PROTO(inode)->write_setup(data, FLUSH_STABLE);
/*
* We're called via an RPC callback, so BKL is already held.
@@ -509,15 +523,21 @@
static void nfs_direct_commit_schedule(struct nfs_direct_req *dreq)
{
struct nfs_write_data *data = dreq->commit_data;
+ struct rpc_message msg = {
+ .rpc_argp = &data->args,
+ .rpc_resp = &data->res,
+ .rpc_cred = dreq->ctx->cred,
+ };
struct rpc_task_setup task_setup_data = {
.rpc_client = NFS_CLIENT(dreq->inode),
+ .rpc_message = &msg,
.callback_ops = &nfs_commit_direct_ops,
.callback_data = data,
.flags = RPC_TASK_ASYNC,
};
data->inode = dreq->inode;
- data->cred = dreq->ctx->cred;
+ data->cred = msg.rpc_cred;
data->args.fh = NFS_FH(data->inode);
data->args.offset = 0;
@@ -526,8 +546,8 @@
data->res.fattr = &data->fattr;
data->res.verf = &data->verf;
+ NFS_PROTO(data->inode)->commit_setup(data, &msg);
rpc_init_task(&data->task, &task_setup_data);
- NFS_PROTO(data->inode)->commit_setup(data, 0);
/* Note: task.tk_ops->rpc_release will free dreq->commit_data */
dreq->commit_data = NULL;
@@ -649,8 +669,12 @@
struct inode *inode = ctx->path.dentry->d_inode;
unsigned long user_addr = (unsigned long)iov->iov_base;
size_t count = iov->iov_len;
+ struct rpc_message msg = {
+ .rpc_cred = ctx->cred,
+ };
struct rpc_task_setup task_setup_data = {
.rpc_client = NFS_CLIENT(inode),
+ .rpc_message = &msg,
.callback_ops = &nfs_write_direct_ops,
.flags = RPC_TASK_ASYNC,
};
@@ -696,20 +720,23 @@
data->req = (struct nfs_page *) dreq;
data->inode = inode;
- data->cred = ctx->cred;
+ data->cred = msg.rpc_cred;
data->args.fh = NFS_FH(inode);
data->args.context = ctx;
data->args.offset = pos;
data->args.pgbase = pgbase;
data->args.pages = data->pagevec;
data->args.count = bytes;
+ data->args.stable = sync;
data->res.fattr = &data->fattr;
data->res.count = bytes;
data->res.verf = &data->verf;
task_setup_data.callback_data = data;
+ msg.rpc_argp = &data->args;
+ msg.rpc_resp = &data->res;
+ NFS_PROTO(inode)->write_setup(data, &msg);
rpc_init_task(&data->task, &task_setup_data);
- NFS_PROTO(inode)->write_setup(data, sync);
rpc_execute(&data->task);
@@ -782,7 +809,7 @@
struct rpc_clnt *clnt = NFS_CLIENT(inode);
struct nfs_direct_req *dreq;
size_t wsize = NFS_SERVER(inode)->wsize;
- int sync = 0;
+ int sync = NFS_UNSTABLE;
dreq = nfs_direct_req_alloc();
if (!dreq)
@@ -790,7 +817,7 @@
nfs_alloc_commit_data(dreq);
if (dreq->commit_data == NULL || count < wsize)
- sync = FLUSH_STABLE;
+ sync = NFS_FILE_SYNC;
dreq->inode = inode;
dreq->ctx = get_nfs_open_context(nfs_file_open_context(iocb->ki_filp));
diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c
index 4cdc236..e68580e 100644
--- a/fs/nfs/nfs3proc.c
+++ b/fs/nfs/nfs3proc.c
@@ -732,16 +732,9 @@
return 0;
}
-static void nfs3_proc_read_setup(struct nfs_read_data *data)
+static void nfs3_proc_read_setup(struct nfs_read_data *data, struct rpc_message *msg)
{
- struct rpc_message msg = {
- .rpc_proc = &nfs3_procedures[NFS3PROC_READ],
- .rpc_argp = &data->args,
- .rpc_resp = &data->res,
- .rpc_cred = data->cred,
- };
-
- rpc_call_setup(&data->task, &msg, 0);
+ msg->rpc_proc = &nfs3_procedures[NFS3PROC_READ];
}
static int nfs3_write_done(struct rpc_task *task, struct nfs_write_data *data)
@@ -753,24 +746,9 @@
return 0;
}
-static void nfs3_proc_write_setup(struct nfs_write_data *data, int how)
+static void nfs3_proc_write_setup(struct nfs_write_data *data, struct rpc_message *msg)
{
- struct rpc_message msg = {
- .rpc_proc = &nfs3_procedures[NFS3PROC_WRITE],
- .rpc_argp = &data->args,
- .rpc_resp = &data->res,
- .rpc_cred = data->cred,
- };
-
- data->args.stable = NFS_UNSTABLE;
- if (how & FLUSH_STABLE) {
- data->args.stable = NFS_FILE_SYNC;
- if (NFS_I(data->inode)->ncommit)
- data->args.stable = NFS_DATA_SYNC;
- }
-
- /* Finalize the task. */
- rpc_call_setup(&data->task, &msg, 0);
+ msg->rpc_proc = &nfs3_procedures[NFS3PROC_WRITE];
}
static int nfs3_commit_done(struct rpc_task *task, struct nfs_write_data *data)
@@ -781,16 +759,9 @@
return 0;
}
-static void nfs3_proc_commit_setup(struct nfs_write_data *data, int how)
+static void nfs3_proc_commit_setup(struct nfs_write_data *data, struct rpc_message *msg)
{
- struct rpc_message msg = {
- .rpc_proc = &nfs3_procedures[NFS3PROC_COMMIT],
- .rpc_argp = &data->args,
- .rpc_resp = &data->res,
- .rpc_cred = data->cred,
- };
-
- rpc_call_setup(&data->task, &msg, 0);
+ msg->rpc_proc = &nfs3_procedures[NFS3PROC_COMMIT];
}
static int
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index ff2c5f8..7c0baf2 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2432,18 +2432,10 @@
return 0;
}
-static void nfs4_proc_read_setup(struct nfs_read_data *data)
+static void nfs4_proc_read_setup(struct nfs_read_data *data, struct rpc_message *msg)
{
- struct rpc_message msg = {
- .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_READ],
- .rpc_argp = &data->args,
- .rpc_resp = &data->res,
- .rpc_cred = data->cred,
- };
-
data->timestamp = jiffies;
-
- rpc_call_setup(&data->task, &msg, 0);
+ msg->rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_READ];
}
static int nfs4_write_done(struct rpc_task *task, struct nfs_write_data *data)
@@ -2461,33 +2453,15 @@
return 0;
}
-static void nfs4_proc_write_setup(struct nfs_write_data *data, int how)
+static void nfs4_proc_write_setup(struct nfs_write_data *data, struct rpc_message *msg)
{
- struct rpc_message msg = {
- .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_WRITE],
- .rpc_argp = &data->args,
- .rpc_resp = &data->res,
- .rpc_cred = data->cred,
- };
- struct inode *inode = data->inode;
- struct nfs_server *server = NFS_SERVER(inode);
- int stable;
-
- if (how & FLUSH_STABLE) {
- if (!NFS_I(inode)->ncommit)
- stable = NFS_FILE_SYNC;
- else
- stable = NFS_DATA_SYNC;
- } else
- stable = NFS_UNSTABLE;
- data->args.stable = stable;
+ struct nfs_server *server = NFS_SERVER(data->inode);
+
data->args.bitmask = server->attr_bitmask;
data->res.server = server;
-
data->timestamp = jiffies;
- /* Finalize the task. */
- rpc_call_setup(&data->task, &msg, 0);
+ msg->rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_WRITE];
}
static int nfs4_commit_done(struct rpc_task *task, struct nfs_write_data *data)
@@ -2502,20 +2476,13 @@
return 0;
}
-static void nfs4_proc_commit_setup(struct nfs_write_data *data, int how)
+static void nfs4_proc_commit_setup(struct nfs_write_data *data, struct rpc_message *msg)
{
- struct rpc_message msg = {
- .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_COMMIT],
- .rpc_argp = &data->args,
- .rpc_resp = &data->res,
- .rpc_cred = data->cred,
- };
struct nfs_server *server = NFS_SERVER(data->inode);
data->args.bitmask = server->attr_bitmask;
data->res.server = server;
-
- rpc_call_setup(&data->task, &msg, 0);
+ msg->rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_COMMIT];
}
/*
diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c
index 4f80d88..c9f46a2 100644
--- a/fs/nfs/proc.c
+++ b/fs/nfs/proc.c
@@ -565,16 +565,9 @@
return 0;
}
-static void nfs_proc_read_setup(struct nfs_read_data *data)
+static void nfs_proc_read_setup(struct nfs_read_data *data, struct rpc_message *msg)
{
- struct rpc_message msg = {
- .rpc_proc = &nfs_procedures[NFSPROC_READ],
- .rpc_argp = &data->args,
- .rpc_resp = &data->res,
- .rpc_cred = data->cred,
- };
-
- rpc_call_setup(&data->task, &msg, 0);
+ msg->rpc_proc = &nfs_procedures[NFSPROC_READ];
}
static int nfs_write_done(struct rpc_task *task, struct nfs_write_data *data)
@@ -584,24 +577,15 @@
return 0;
}
-static void nfs_proc_write_setup(struct nfs_write_data *data, int how)
+static void nfs_proc_write_setup(struct nfs_write_data *data, struct rpc_message *msg)
{
- struct rpc_message msg = {
- .rpc_proc = &nfs_procedures[NFSPROC_WRITE],
- .rpc_argp = &data->args,
- .rpc_resp = &data->res,
- .rpc_cred = data->cred,
- };
-
/* Note: NFSv2 ignores @stable and always uses NFS_FILE_SYNC */
data->args.stable = NFS_FILE_SYNC;
-
- /* Finalize the task. */
- rpc_call_setup(&data->task, &msg, 0);
+ msg->rpc_proc = &nfs_procedures[NFSPROC_WRITE];
}
static void
-nfs_proc_commit_setup(struct nfs_write_data *data, int how)
+nfs_proc_commit_setup(struct nfs_write_data *data, struct rpc_message *msg)
{
BUG();
}
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index 8f1eb08..e9dbdc8 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -153,6 +153,16 @@
nfs_release_request(req);
}
+static void nfs_execute_read(struct nfs_read_data *data)
+{
+ struct rpc_clnt *clnt = NFS_CLIENT(data->inode);
+ sigset_t oldset;
+
+ rpc_clnt_sigmask(clnt, &oldset);
+ rpc_execute(&data->task);
+ rpc_clnt_sigunmask(clnt, &oldset);
+}
+
/*
* Set up the NFS read request struct
*/
@@ -162,8 +172,14 @@
{
struct inode *inode = req->wb_context->path.dentry->d_inode;
int swap_flags = IS_SWAPFILE(inode) ? NFS_RPC_SWAPFLAGS : 0;
+ struct rpc_message msg = {
+ .rpc_argp = &data->args,
+ .rpc_resp = &data->res,
+ .rpc_cred = req->wb_context->cred,
+ };
struct rpc_task_setup task_setup_data = {
.rpc_client = NFS_CLIENT(inode),
+ .rpc_message = &msg,
.callback_ops = call_ops,
.callback_data = data,
.flags = RPC_TASK_ASYNC | swap_flags,
@@ -171,7 +187,7 @@
data->req = req;
data->inode = inode;
- data->cred = req->wb_context->cred;
+ data->cred = msg.rpc_cred;
data->args.fh = NFS_FH(inode);
data->args.offset = req_offset(req) + offset;
@@ -186,8 +202,8 @@
nfs_fattr_init(&data->fattr);
/* Set up the initial task struct. */
+ NFS_PROTO(inode)->read_setup(data, &msg);
rpc_init_task(&data->task, &task_setup_data);
- NFS_PROTO(inode)->read_setup(data);
dprintk("NFS: %5u initiated read call (req %s/%Ld, %u bytes @ offset %Lu)\n",
data->task.tk_pid,
@@ -195,6 +211,8 @@
(long long)NFS_FILEID(inode),
count,
(unsigned long long)data->args.offset);
+
+ nfs_execute_read(data);
}
static void
@@ -211,19 +229,6 @@
}
/*
- * Start an async read operation
- */
-static void nfs_execute_read(struct nfs_read_data *data)
-{
- struct rpc_clnt *clnt = NFS_CLIENT(data->inode);
- sigset_t oldset;
-
- rpc_clnt_sigmask(clnt, &oldset);
- rpc_execute(&data->task);
- rpc_clnt_sigunmask(clnt, &oldset);
-}
-
-/*
* Generate multiple requests to fill a single page.
*
* We optimize to reduce the number of read operations on the wire. If we
@@ -277,7 +282,6 @@
rsize, offset);
offset += rsize;
nbytes -= rsize;
- nfs_execute_read(data);
} while (nbytes != 0);
return 0;
@@ -315,8 +319,6 @@
req = nfs_list_entry(data->pages.next);
nfs_read_rpcsetup(req, data, &nfs_read_full_ops, count, 0);
-
- nfs_execute_read(data);
return 0;
out_bad:
nfs_async_read_error(head);
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 8d90e90..9a69469 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -764,6 +764,16 @@
return RPC_PRIORITY_NORMAL;
}
+static void nfs_execute_write(struct nfs_write_data *data)
+{
+ struct rpc_clnt *clnt = NFS_CLIENT(data->inode);
+ sigset_t oldset;
+
+ rpc_clnt_sigmask(clnt, &oldset);
+ rpc_execute(&data->task);
+ rpc_clnt_sigunmask(clnt, &oldset);
+}
+
/*
* Set up the argument/result storage required for the RPC call.
*/
@@ -776,8 +786,14 @@
struct inode *inode = req->wb_context->path.dentry->d_inode;
int flags = (how & FLUSH_SYNC) ? 0 : RPC_TASK_ASYNC;
int priority = flush_task_priority(how);
+ struct rpc_message msg = {
+ .rpc_argp = &data->args,
+ .rpc_resp = &data->res,
+ .rpc_cred = req->wb_context->cred,
+ };
struct rpc_task_setup task_setup_data = {
.rpc_client = NFS_CLIENT(inode),
+ .rpc_message = &msg,
.callback_ops = call_ops,
.callback_data = data,
.flags = flags,
@@ -789,7 +805,7 @@
data->req = req;
data->inode = inode = req->wb_context->path.dentry->d_inode;
- data->cred = req->wb_context->cred;
+ data->cred = msg.rpc_cred;
data->args.fh = NFS_FH(inode);
data->args.offset = req_offset(req) + offset;
@@ -797,6 +813,12 @@
data->args.pages = data->pagevec;
data->args.count = count;
data->args.context = req->wb_context;
+ data->args.stable = NFS_UNSTABLE;
+ if (how & FLUSH_STABLE) {
+ data->args.stable = NFS_DATA_SYNC;
+ if (!NFS_I(inode)->ncommit)
+ data->args.stable = NFS_FILE_SYNC;
+ }
data->res.fattr = &data->fattr;
data->res.count = count;
@@ -804,8 +826,8 @@
nfs_fattr_init(&data->fattr);
/* Set up the initial task struct. */
+ NFS_PROTO(inode)->write_setup(data, &msg);
rpc_init_task(&data->task, &task_setup_data);
- NFS_PROTO(inode)->write_setup(data, how);
dprintk("NFS: %5u initiated write call "
"(req %s/%Ld, %u bytes @ offset %Lu)\n",
@@ -814,16 +836,8 @@
(long long)NFS_FILEID(inode),
count,
(unsigned long long)data->args.offset);
-}
-static void nfs_execute_write(struct nfs_write_data *data)
-{
- struct rpc_clnt *clnt = NFS_CLIENT(data->inode);
- sigset_t oldset;
-
- rpc_clnt_sigmask(clnt, &oldset);
- rpc_execute(&data->task);
- rpc_clnt_sigunmask(clnt, &oldset);
+ nfs_execute_write(data);
}
/*
@@ -870,7 +884,6 @@
wsize, offset, how);
offset += wsize;
nbytes -= wsize;
- nfs_execute_write(data);
} while (nbytes != 0);
return 0;
@@ -918,7 +931,6 @@
/* Set up the argument struct */
nfs_write_rpcsetup(req, data, &nfs_write_full_ops, count, 0, how);
- nfs_execute_write(data);
return 0;
out_bad:
while (!list_empty(head)) {
@@ -1152,8 +1164,14 @@
struct inode *inode = first->wb_context->path.dentry->d_inode;
int flags = (how & FLUSH_SYNC) ? 0 : RPC_TASK_ASYNC;
int priority = flush_task_priority(how);
+ struct rpc_message msg = {
+ .rpc_argp = &data->args,
+ .rpc_resp = &data->res,
+ .rpc_cred = first->wb_context->cred,
+ };
struct rpc_task_setup task_setup_data = {
.rpc_client = NFS_CLIENT(inode),
+ .rpc_message = &msg,
.callback_ops = &nfs_commit_ops,
.callback_data = data,
.flags = flags,
@@ -1166,7 +1184,7 @@
list_splice_init(head, &data->pages);
data->inode = inode;
- data->cred = first->wb_context->cred;
+ data->cred = msg.rpc_cred;
data->args.fh = NFS_FH(data->inode);
/* Note: we always request a commit of the entire inode */
@@ -1178,10 +1196,12 @@
nfs_fattr_init(&data->fattr);
/* Set up the initial task struct. */
+ NFS_PROTO(inode)->commit_setup(data, &msg);
rpc_init_task(&data->task, &task_setup_data);
- NFS_PROTO(inode)->commit_setup(data, how);
dprintk("NFS: %5u initiated commit call\n", data->task.tk_pid);
+
+ nfs_execute_write(data);
}
/*
@@ -1201,7 +1221,6 @@
/* Set up the argument struct */
nfs_commit_rpcsetup(head, data, how);
- nfs_execute_write(data);
return 0;
out_bad:
while (!list_empty(head)) {