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NFS: Clean up the (commit|read|write)_setup() callback routines

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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>
This commit is contained in:
Trond Myklebust
2007-07-14 15:40:00 -04:00
parent b3ef8b3bb9
commit bdc7f021f3
7 changed files with 113 additions and 143 deletions
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51
fs/nfs/write.c
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@ -764,6 +764,16 @@ static int flush_task_priority(int how)
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 @@ static void nfs_write_rpcsetup(struct nfs_page *req,
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 @@ static void nfs_write_rpcsetup(struct nfs_page *req,
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 @@ static void nfs_write_rpcsetup(struct nfs_page *req,
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 @@ static void nfs_write_rpcsetup(struct nfs_page *req,
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 @@ static void nfs_write_rpcsetup(struct nfs_page *req,
(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 @@ static int nfs_flush_multi(struct inode *inode, struct list_head *head, unsigned
wsize, offset, how);
offset += wsize;
nbytes -= wsize;
nfs_execute_write(data);
} while (nbytes != 0);
return 0;
@ -918,7 +931,6 @@ static int nfs_flush_one(struct inode *inode, struct list_head *head, unsigned i
/* 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 @@ static void nfs_commit_rpcsetup(struct list_head *head,
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 @@ static void nfs_commit_rpcsetup(struct list_head *head,
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 @@ static void nfs_commit_rpcsetup(struct list_head *head,
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 @@ nfs_commit_list(struct inode *inode, struct list_head *head, int how)
/* Set up the argument struct */
nfs_commit_rpcsetup(head, data, how);
nfs_execute_write(data);
return 0;
out_bad:
while (!list_empty(head)) {