From: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
Rather than adjusting the index+offset after the call to
nfs_create_request(), add a function nfs_page_create_from_page() that
takes an offset.
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
---
fs/nfs/direct.c | 12 ++++--------
fs/nfs/pagelist.c | 15 +++++++++------
include/linux/nfs_page.h | 9 +++++----
3 files changed, 18 insertions(+), 18 deletions(-)
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index 1707f46b1335..9a18c5a69ace 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -343,14 +343,12 @@ static ssize_t nfs_direct_read_schedule_iovec(struct nfs_direct_req *dreq,
struct nfs_page *req;
unsigned int req_len = min_t(size_t, bytes, PAGE_SIZE - pgbase);
/* XXX do we need to do the eof zeroing found in async_filler? */
- req = nfs_create_request(dreq->ctx, pagevec[i],
- pgbase, req_len);
+ req = nfs_page_create_from_page(dreq->ctx, pagevec[i],
+ pgbase, pos, req_len);
if (IS_ERR(req)) {
result = PTR_ERR(req);
break;
}
- req->wb_index = pos >> PAGE_SHIFT;
- req->wb_offset = pos & ~PAGE_MASK;
if (!nfs_pageio_add_request(&desc, req)) {
result = desc.pg_error;
nfs_release_request(req);
@@ -802,8 +800,8 @@ static ssize_t nfs_direct_write_schedule_iovec(struct nfs_direct_req *dreq,
struct nfs_page *req;
unsigned int req_len = min_t(size_t, bytes, PAGE_SIZE - pgbase);
- req = nfs_create_request(dreq->ctx, pagevec[i],
- pgbase, req_len);
+ req = nfs_page_create_from_page(dreq->ctx, pagevec[i],
+ pgbase, pos, req_len);
if (IS_ERR(req)) {
result = PTR_ERR(req);
break;
@@ -816,8 +814,6 @@ static ssize_t nfs_direct_write_schedule_iovec(struct nfs_direct_req *dreq,
}
nfs_lock_request(req);
- req->wb_index = pos >> PAGE_SHIFT;
- req->wb_offset = pos & ~PAGE_MASK;
if (!nfs_pageio_add_request(&desc, req)) {
result = desc.pg_error;
nfs_unlock_and_release_request(req);
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index 7a622263a9fc..0b4c07c93a52 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -514,26 +514,29 @@ static void nfs_page_assign_page(struct nfs_page *req, struct page *page)
}
/**
- * nfs_create_request - Create an NFS read/write request.
+ * nfs_page_create_from_page - Create an NFS read/write request.
* @ctx: open context to use
* @page: page to write
- * @offset: starting offset within the page for the write
+ * @pgbase: starting offset within the page for the write
+ * @offset: file offset for the write
* @count: number of bytes to read/write
*
* The page must be locked by the caller. This makes sure we never
* create two different requests for the same page.
* User should ensure it is safe to sleep in this function.
*/
-struct nfs_page *
-nfs_create_request(struct nfs_open_context *ctx, struct page *page,
- unsigned int offset, unsigned int count)
+struct nfs_page *nfs_page_create_from_page(struct nfs_open_context *ctx,
+ struct page *page,
+ unsigned int pgbase, loff_t offset,
+ unsigned int count)
{
struct nfs_lock_context *l_ctx = nfs_get_lock_context(ctx);
struct nfs_page *ret;
if (IS_ERR(l_ctx))
return ERR_CAST(l_ctx);
- ret = nfs_page_create(l_ctx, offset, page_index(page), offset, count);
+ ret = nfs_page_create(l_ctx, pgbase, offset >> PAGE_SHIFT,
+ offset_in_page(offset), count);
if (!IS_ERR(ret)) {
nfs_page_assign_page(ret, page);
nfs_page_group_init(ret, NULL);
diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h
index 3c71493d5cc3..a2f1ca657623 100644
--- a/include/linux/nfs_page.h
+++ b/include/linux/nfs_page.h
@@ -121,10 +121,11 @@ struct nfs_pageio_descriptor {
#define NFS_WBACK_BUSY(req) (test_bit(PG_BUSY,&(req)->wb_flags))
-extern struct nfs_page *nfs_create_request(struct nfs_open_context *ctx,
- struct page *page,
- unsigned int offset,
- unsigned int count);
+extern struct nfs_page *nfs_page_create_from_page(struct nfs_open_context *ctx,
+ struct page *page,
+ unsigned int pgbase,
+ loff_t offset,
+ unsigned int count);
extern struct nfs_page *nfs_page_create_from_folio(struct nfs_open_context *ctx,
struct folio *folio,
unsigned int offset,
--
2.39.0
