NFS: Fix up nfs_vm_page_mkwrite() for folios

Mechanical conversion of struct page and functions into the folio
equivalents.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 39ee7fb3f79f548d9f3643acd9dbe2118c2ed6db..563c5e0c55e8c0979e8ab50bf7df9a7f6f342030 100644 (file)
--- 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;