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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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38
fs/nfs/read.c
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@@ -153,6 +153,16 @@ static void nfs_readpage_release(struct nfs_page *req)
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 @@ static void nfs_read_rpcsetup(struct nfs_page *req, struct nfs_read_data *data,
{
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 @@ static void nfs_read_rpcsetup(struct nfs_page *req, struct nfs_read_data *data,
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 @@ static void nfs_read_rpcsetup(struct nfs_page *req, struct nfs_read_data *data,
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 @@ static void nfs_read_rpcsetup(struct nfs_page *req, struct nfs_read_data *data,
(long long)NFS_FILEID(inode),
count,
(unsigned long long)data->args.offset);
nfs_execute_read(data);
}
static void
@@ -210,19 +228,6 @@ nfs_async_read_error(struct list_head *head)
}
}
/*
* 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.
*
@@ -277,7 +282,6 @@ static int nfs_pagein_multi(struct inode *inode, struct list_head *head, unsigne
rsize, offset);
offset += rsize;
nbytes -= rsize;
nfs_execute_read(data);
} while (nbytes != 0);
return 0;
@@ -315,8 +319,6 @@ static int nfs_pagein_one(struct inode *inode, struct list_head *head, unsigned
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);