From: Trond Myklebust <[email protected]>
Signed-off-by: Trond Myklebust <[email protected]>
---
fs/nfs/file.c | 21 ++++++++++-----------
1 file changed, 10 insertions(+), 11 deletions(-)
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 39ee7fb3f79f..563c5e0c55e8 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -556,23 +556,22 @@ const struct address_space_operations nfs_file_aops = {
*/
static vm_fault_t nfs_vm_page_mkwrite(struct vm_fault *vmf)
{
- struct page *page = vmf->page;
struct file *filp = vmf->vma->vm_file;
struct inode *inode = file_inode(filp);
unsigned pagelen;
vm_fault_t ret = VM_FAULT_NOPAGE;
struct address_space *mapping;
- struct folio *folio = page_folio(page);
+ struct folio *folio = page_folio(vmf->page);
dfprintk(PAGECACHE, "NFS: vm_page_mkwrite(%pD2(%lu), offset %lld)\n",
- filp, filp->f_mapping->host->i_ino,
- (long long)page_offset(page));
+ filp, filp->f_mapping->host->i_ino,
+ (long long)folio_file_pos(folio));
sb_start_pagefault(inode->i_sb);
/* make sure the cache has finished storing the page */
- if (PageFsCache(page) &&
- wait_on_page_fscache_killable(vmf->page) < 0) {
+ if (folio_test_fscache(folio) &&
+ folio_wait_fscache_killable(folio) < 0) {
ret = VM_FAULT_RETRY;
goto out;
}
@@ -581,14 +580,14 @@ static vm_fault_t nfs_vm_page_mkwrite(struct vm_fault *vmf)
nfs_wait_bit_killable,
TASK_KILLABLE|TASK_FREEZABLE_UNSAFE);
- lock_page(page);
- mapping = page_file_mapping(page);
+ folio_lock(folio);
+ mapping = folio_file_mapping(folio);
if (mapping != inode->i_mapping)
goto out_unlock;
- wait_on_page_writeback(page);
+ folio_wait_writeback(folio);
- pagelen = nfs_page_length(page);
+ pagelen = nfs_folio_length(folio);
if (pagelen == 0)
goto out_unlock;
@@ -599,7 +598,7 @@ static vm_fault_t nfs_vm_page_mkwrite(struct vm_fault *vmf)
ret = VM_FAULT_SIGBUS;
out_unlock:
- unlock_page(page);
+ folio_unlock(folio);
out:
sb_end_pagefault(inode->i_sb);
return ret;
--
2.39.0
From: Trond Myklebust <[email protected]>
Signed-off-by: Trond Myklebust <[email protected]>
---
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 6706e0df1963..27fe7c07ec72 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