[PATCH 04/26] afs: Convert to release_folio

["Matthew Wilcox (Oracle)" <willy@infradead.org>]

A straightforward conversion as they already work in terms of folios.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
 fs/afs/dir.c      |  7 +++----
 fs/afs/file.c     | 11 +++++------
 fs/afs/internal.h |  2 +-
 3 files changed, 9 insertions(+), 11 deletions(-)

diff --git a/fs/afs/dir.c b/fs/afs/dir.c
index 932e61e28e5d..94aa7356248e 100644
--- a/fs/afs/dir.c
+++ b/fs/afs/dir.c
@@ -41,7 +41,7 @@ static int afs_symlink(struct user_namespace *mnt_userns, struct inode *dir,
 static int afs_rename(struct user_namespace *mnt_userns, struct inode *old_dir,
 		      struct dentry *old_dentry, struct inode *new_dir,
 		      struct dentry *new_dentry, unsigned int flags);
-static int afs_dir_releasepage(struct page *page, gfp_t gfp_flags);
+static bool afs_dir_release_folio(struct folio *folio, gfp_t gfp_flags);
 static void afs_dir_invalidate_folio(struct folio *folio, size_t offset,
 				   size_t length);
 
@@ -75,7 +75,7 @@ const struct inode_operations afs_dir_inode_operations = {
 
 const struct address_space_operations afs_dir_aops = {
 	.dirty_folio	= afs_dir_dirty_folio,
-	.releasepage	= afs_dir_releasepage,
+	.release_folio	= afs_dir_release_folio,
 	.invalidate_folio = afs_dir_invalidate_folio,
 };
 
@@ -2002,9 +2002,8 @@ static int afs_rename(struct user_namespace *mnt_userns, struct inode *old_dir,
  * Release a directory folio and clean up its private state if it's not busy
  * - return true if the folio can now be released, false if not
  */
-static int afs_dir_releasepage(struct page *subpage, gfp_t gfp_flags)
+static bool afs_dir_release_folio(struct folio *folio, gfp_t gfp_flags)
 {
-	struct folio *folio = page_folio(subpage);
 	struct afs_vnode *dvnode = AFS_FS_I(folio_inode(folio));
 
 	_enter("{{%llx:%llu}[%lu]}", dvnode->fid.vid, dvnode->fid.vnode, folio_index(folio));
diff --git a/fs/afs/file.c b/fs/afs/file.c
index 65ef69a1f78e..a8e8832179e4 100644
--- a/fs/afs/file.c
+++ b/fs/afs/file.c
@@ -22,7 +22,7 @@ static int afs_file_mmap(struct file *file, struct vm_area_struct *vma);
 static int afs_symlink_read_folio(struct file *file, struct folio *folio);
 static void afs_invalidate_folio(struct folio *folio, size_t offset,
 			       size_t length);
-static int afs_releasepage(struct page *page, gfp_t gfp_flags);
+static bool afs_release_folio(struct folio *folio, gfp_t gfp_flags);
 
 static ssize_t afs_file_read_iter(struct kiocb *iocb, struct iov_iter *iter);
 static void afs_vm_open(struct vm_area_struct *area);
@@ -54,7 +54,7 @@ const struct address_space_operations afs_file_aops = {
 	.readahead	= netfs_readahead,
 	.dirty_folio	= afs_dirty_folio,
 	.launder_folio	= afs_launder_folio,
-	.releasepage	= afs_releasepage,
+	.release_folio	= afs_release_folio,
 	.invalidate_folio = afs_invalidate_folio,
 	.write_begin	= afs_write_begin,
 	.write_end	= afs_write_end,
@@ -64,7 +64,7 @@ const struct address_space_operations afs_file_aops = {
 
 const struct address_space_operations afs_symlink_aops = {
 	.read_folio	= afs_symlink_read_folio,
-	.releasepage	= afs_releasepage,
+	.release_folio	= afs_release_folio,
 	.invalidate_folio = afs_invalidate_folio,
 };
 
@@ -481,16 +481,15 @@ static void afs_invalidate_folio(struct folio *folio, size_t offset,
  * release a page and clean up its private state if it's not busy
  * - return true if the page can now be released, false if not
  */
-static int afs_releasepage(struct page *page, gfp_t gfp)
+static bool afs_release_folio(struct folio *folio, gfp_t gfp)
 {
-	struct folio *folio = page_folio(page);
 	struct afs_vnode *vnode = AFS_FS_I(folio_inode(folio));
 
 	_enter("{{%llx:%llu}[%lu],%lx},%x",
 	       vnode->fid.vid, vnode->fid.vnode, folio_index(folio), folio->flags,
 	       gfp);
 
-	/* deny if page is being written to the cache and the caller hasn't
+	/* deny if folio is being written to the cache and the caller hasn't
 	 * elected to wait */
 #ifdef CONFIG_AFS_FSCACHE
 	if (folio_test_fscache(folio)) {
diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index 7a72e9c60423..a30995901266 100644
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -311,7 +311,7 @@ struct afs_net {
 	atomic_t		n_lookup;	/* Number of lookups done */
 	atomic_t		n_reval;	/* Number of dentries needing revalidation */
 	atomic_t		n_inval;	/* Number of invalidations by the server */
-	atomic_t		n_relpg;	/* Number of invalidations by releasepage */
+	atomic_t		n_relpg;	/* Number of invalidations by release_folio */
 	atomic_t		n_read_dir;	/* Number of directory pages read */
 	atomic_t		n_dir_cr;	/* Number of directory entry creation edits */
 	atomic_t		n_dir_rm;	/* Number of directory entry removal edits */
-- 
2.34.1