1 files changed, 17 insertions, 9 deletions

diff --git a/include/linux/shmem_fs.h b/include/linux/shmem_fs.h
index 3fb18f7eb73e..0b273a7b9f01 100644
--- a/include/linux/shmem_fs.h
+++ b/include/linux/shmem_fs.h
@@ -42,10 +42,10 @@ struct shmem_inode_info {
 	struct inode		vfs_inode;
 };
 
-#define SHMEM_FL_USER_VISIBLE		FS_FL_USER_VISIBLE
+#define SHMEM_FL_USER_VISIBLE		(FS_FL_USER_VISIBLE | FS_CASEFOLD_FL)
 #define SHMEM_FL_USER_MODIFIABLE \
-	(FS_IMMUTABLE_FL | FS_APPEND_FL | FS_NODUMP_FL | FS_NOATIME_FL)
-#define SHMEM_FL_INHERITED		(FS_NODUMP_FL | FS_NOATIME_FL)
+	(FS_IMMUTABLE_FL | FS_APPEND_FL | FS_NODUMP_FL | FS_NOATIME_FL | FS_CASEFOLD_FL)
+#define SHMEM_FL_INHERITED		(FS_NODUMP_FL | FS_NOATIME_FL | FS_CASEFOLD_FL)
 
 struct shmem_quota_limits {
 	qsize_t usrquota_bhardlimit; /* Default user quota block hard limit */
@@ -111,11 +111,19 @@ extern void shmem_truncate_range(struct inode *inode, loff_t start, loff_t end);
 int shmem_unuse(unsigned int type);
 
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
-extern bool shmem_is_huge(struct inode *inode, pgoff_t index, bool shmem_huge_force,
-			  struct mm_struct *mm, unsigned long vm_flags);
+unsigned long shmem_allowable_huge_orders(struct inode *inode,
+				struct vm_area_struct *vma, pgoff_t index,
+				loff_t write_end, bool shmem_huge_force);
+bool shmem_hpage_pmd_enabled(void);
 #else
-static __always_inline bool shmem_is_huge(struct inode *inode, pgoff_t index, bool shmem_huge_force,
-					  struct mm_struct *mm, unsigned long vm_flags)
+static inline unsigned long shmem_allowable_huge_orders(struct inode *inode,
+				struct vm_area_struct *vma, pgoff_t index,
+				loff_t write_end, bool shmem_huge_force)
+{
+	return 0;
+}
+
+static inline bool shmem_hpage_pmd_enabled(void)
 {
 	return false;
 }
@@ -141,8 +149,8 @@ enum sgp_type {
 	SGP_FALLOC,	/* like SGP_WRITE, but make existing page Uptodate */
 };
 
-int shmem_get_folio(struct inode *inode, pgoff_t index, struct folio **foliop,
-		enum sgp_type sgp);
+int shmem_get_folio(struct inode *inode, pgoff_t index, loff_t write_end,
+		struct folio **foliop, enum sgp_type sgp);
 struct folio *shmem_read_folio_gfp(struct address_space *mapping,
 		pgoff_t index, gfp_t gfp);