4 files changed, 11 insertions, 10 deletions

diff --git a/fs/exfat/Kconfig b/fs/exfat/Kconfig
index 5a65071b5ecf..147edeb04469 100644
--- a/fs/exfat/Kconfig
+++ b/fs/exfat/Kconfig
@@ -3,6 +3,7 @@
 config EXFAT_FS
 	tristate "exFAT filesystem support"
 	select NLS
+	select LEGACY_DIRECT_IO
 	help
 	  This allows you to mount devices formatted with the exFAT file system.
 	  exFAT is typically used on SD-Cards or USB sticks.
diff --git a/fs/exfat/exfat_fs.h b/fs/exfat/exfat_fs.h
index 8a399e234aab..729ada9e26e8 100644
--- a/fs/exfat/exfat_fs.h
+++ b/fs/exfat/exfat_fs.h
@@ -452,9 +452,9 @@ int exfat_trim_fs(struct inode *inode, struct fstrim_range *range);
 extern const struct file_operations exfat_file_operations;
 int __exfat_truncate(struct inode *inode);
 void exfat_truncate(struct inode *inode);
-int exfat_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+int exfat_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
 		  struct iattr *attr);
-int exfat_getattr(struct user_namespace *mnt_userns, const struct path *path,
+int exfat_getattr(struct mnt_idmap *idmap, const struct path *path,
 		  struct kstat *stat, unsigned int request_mask,
 		  unsigned int query_flags);
 int exfat_file_fsync(struct file *file, loff_t start, loff_t end, int datasync);
diff --git a/fs/exfat/file.c b/fs/exfat/file.c
index b33431c74c8a..e99183a74611 100644
--- a/fs/exfat/file.c
+++ b/fs/exfat/file.c
@@ -225,14 +225,14 @@ write_size:
 	mutex_unlock(&sbi->s_lock);
 }
 
-int exfat_getattr(struct user_namespace *mnt_uerns, const struct path *path,
+int exfat_getattr(struct mnt_idmap *idmap, const struct path *path,
 		  struct kstat *stat, unsigned int request_mask,
 		  unsigned int query_flags)
 {
 	struct inode *inode = d_backing_inode(path->dentry);
 	struct exfat_inode_info *ei = EXFAT_I(inode);
 
-	generic_fillattr(&init_user_ns, inode, stat);
+	generic_fillattr(&nop_mnt_idmap, inode, stat);
 	exfat_truncate_atime(&stat->atime);
 	stat->result_mask |= STATX_BTIME;
 	stat->btime.tv_sec = ei->i_crtime.tv_sec;
@@ -241,7 +241,7 @@ int exfat_getattr(struct user_namespace *mnt_uerns, const struct path *path,
 	return 0;
 }
 
-int exfat_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+int exfat_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
 		  struct iattr *attr)
 {
 	struct exfat_sb_info *sbi = EXFAT_SB(dentry->d_sb);
@@ -265,7 +265,7 @@ int exfat_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
 				ATTR_TIMES_SET);
 	}
 
-	error = setattr_prepare(&init_user_ns, dentry, attr);
+	error = setattr_prepare(&nop_mnt_idmap, dentry, attr);
 	attr->ia_valid = ia_valid;
 	if (error)
 		goto out;
@@ -292,7 +292,7 @@ int exfat_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
 	if (attr->ia_valid & ATTR_SIZE)
 		inode->i_mtime = inode->i_ctime = current_time(inode);
 
-	setattr_copy(&init_user_ns, inode, attr);
+	setattr_copy(&nop_mnt_idmap, inode, attr);
 	exfat_truncate_atime(&inode->i_atime);
 
 	if (attr->ia_valid & ATTR_SIZE) {
diff --git a/fs/exfat/namei.c b/fs/exfat/namei.c
index 7442fead0279..e0ff9d156f6f 100644
--- a/fs/exfat/namei.c
+++ b/fs/exfat/namei.c
@@ -551,7 +551,7 @@ out:
 	return ret;
 }
 
-static int exfat_create(struct user_namespace *mnt_userns, struct inode *dir,
+static int exfat_create(struct mnt_idmap *idmap, struct inode *dir,
 			struct dentry *dentry, umode_t mode, bool excl)
 {
 	struct super_block *sb = dir->i_sb;
@@ -834,7 +834,7 @@ unlock:
 	return err;
 }
 
-static int exfat_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+static int exfat_mkdir(struct mnt_idmap *idmap, struct inode *dir,
 		       struct dentry *dentry, umode_t mode)
 {
 	struct super_block *sb = dir->i_sb;
@@ -1285,7 +1285,7 @@ out:
 	return ret;
 }
 
-static int exfat_rename(struct user_namespace *mnt_userns,
+static int exfat_rename(struct mnt_idmap *idmap,
 			struct inode *old_dir, struct dentry *old_dentry,
 			struct inode *new_dir, struct dentry *new_dentry,
 			unsigned int flags)