[PATCH v2 13/18] NFS: Fix up nfs_vm_page_mkwrite() for folios
From: trondmy@kernel.org
Date: 2023-01-19 22:03:20
Subsystem:
filesystems (vfs and infrastructure), nfs, sunrpc, and lockd clients, the rest · Maintainers:
Alexander Viro, Christian Brauner, Trond Myklebust, Anna Schumaker, Linus Torvalds
From: Trond Myklebust <redacted> Mechanical conversion of struct page and functions into the folio equivalents. Signed-off-by: Trond Myklebust <redacted> --- 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