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authorChuck Lever <cel@netapp.com>2006-06-20 16:56:16 (GMT)
committerTrond Myklebust <Trond.Myklebust@netapp.com>2006-06-24 17:11:39 (GMT)
commit51a7bc6caec94bab256b272bffd24d00ea81c698 (patch)
tree29e19b93449e6affb53a737b73ddec847e21cc50 /fs/nfs/direct.c
parentfedb595c66e1fbd5acafe0d43b7e95c13c936d61 (diff)
downloadlinux-51a7bc6caec94bab256b272bffd24d00ea81c698.tar.xz
NFS: remove user_addr, user_count, and pos from nfs_direct_req
Make the user_addr, user_count, and pos parameters explicit to the scheduler routines, and remove the fields from nfs_direct_req. The iovec API will be passing in a series of these, not just one set. Signed-off-by: Chuck Lever <cel@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/direct.c')
-rw-r--r--fs/nfs/direct.c29
1 files changed, 8 insertions, 21 deletions
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index 7101405..e4c9e03 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -73,9 +73,6 @@ struct nfs_direct_req {
struct nfs_open_context *ctx; /* file open context info */
struct kiocb * iocb; /* controlling i/o request */
struct inode * inode; /* target file of i/o */
- unsigned long user_addr; /* location of user's buffer */
- size_t user_count; /* total bytes to move */
- loff_t pos; /* starting offset in file */
struct page ** pages; /* pages in our buffer */
unsigned int npages; /* count of pages */
@@ -327,19 +324,17 @@ static const struct rpc_call_ops nfs_read_direct_ops = {
* For each nfs_read_data struct that was allocated on the list, dispatch
* an NFS READ operation
*/
-static void nfs_direct_read_schedule(struct nfs_direct_req *dreq)
+static void nfs_direct_read_schedule(struct nfs_direct_req *dreq, unsigned long user_addr, size_t count, loff_t pos)
{
struct nfs_open_context *ctx = dreq->ctx;
struct inode *inode = ctx->dentry->d_inode;
struct list_head *list = &dreq->list;
struct page **pages = dreq->pages;
- size_t count = dreq->user_count;
- loff_t pos = dreq->pos;
size_t rsize = NFS_SERVER(inode)->rsize;
unsigned int curpage, pgbase;
curpage = 0;
- pgbase = dreq->user_addr & ~PAGE_MASK;
+ pgbase = user_addr & ~PAGE_MASK;
do {
struct nfs_read_data *data;
size_t bytes;
@@ -403,9 +398,6 @@ static ssize_t nfs_direct_read(struct kiocb *iocb, unsigned long user_addr, size
if (!dreq)
return -ENOMEM;
- dreq->user_addr = user_addr;
- dreq->user_count = count;
- dreq->pos = pos;
dreq->pages = pages;
dreq->npages = nr_pages;
dreq->inode = inode;
@@ -415,7 +407,7 @@ static ssize_t nfs_direct_read(struct kiocb *iocb, unsigned long user_addr, size
nfs_add_stats(inode, NFSIOS_DIRECTREADBYTES, count);
rpc_clnt_sigmask(clnt, &oldset);
- nfs_direct_read_schedule(dreq);
+ nfs_direct_read_schedule(dreq, user_addr, count, pos);
result = nfs_direct_wait(dreq);
rpc_clnt_sigunmask(clnt, &oldset);
@@ -516,8 +508,8 @@ static void nfs_direct_commit_schedule(struct nfs_direct_req *dreq)
data->cred = dreq->ctx->cred;
data->args.fh = NFS_FH(data->inode);
- data->args.offset = dreq->pos;
- data->args.count = dreq->user_count;
+ data->args.offset = 0;
+ data->args.count = 0;
data->res.count = 0;
data->res.fattr = &data->fattr;
data->res.verf = &data->verf;
@@ -675,19 +667,17 @@ static const struct rpc_call_ops nfs_write_direct_ops = {
* For each nfs_write_data struct that was allocated on the list, dispatch
* an NFS WRITE operation
*/
-static void nfs_direct_write_schedule(struct nfs_direct_req *dreq, int sync)
+static void nfs_direct_write_schedule(struct nfs_direct_req *dreq, unsigned long user_addr, size_t count, loff_t pos, int sync)
{
struct nfs_open_context *ctx = dreq->ctx;
struct inode *inode = ctx->dentry->d_inode;
struct list_head *list = &dreq->list;
struct page **pages = dreq->pages;
- size_t count = dreq->user_count;
- loff_t pos = dreq->pos;
size_t wsize = NFS_SERVER(inode)->wsize;
unsigned int curpage, pgbase;
curpage = 0;
- pgbase = dreq->user_addr & ~PAGE_MASK;
+ pgbase = user_addr & ~PAGE_MASK;
do {
struct nfs_write_data *data;
size_t bytes;
@@ -756,9 +746,6 @@ static ssize_t nfs_direct_write(struct kiocb *iocb, unsigned long user_addr, siz
if (dreq->commit_data == NULL || count < wsize)
sync = FLUSH_STABLE;
- dreq->user_addr = user_addr;
- dreq->user_count = count;
- dreq->pos = pos;
dreq->pages = pages;
dreq->npages = nr_pages;
dreq->inode = inode;
@@ -771,7 +758,7 @@ static ssize_t nfs_direct_write(struct kiocb *iocb, unsigned long user_addr, siz
nfs_begin_data_update(inode);
rpc_clnt_sigmask(clnt, &oldset);
- nfs_direct_write_schedule(dreq, sync);
+ nfs_direct_write_schedule(dreq, user_addr, count, pos, sync);
result = nfs_direct_wait(dreq);
rpc_clnt_sigunmask(clnt, &oldset);