3 files changed, 25 insertions, 19 deletions

diff --git a/fs/fuse/acl.c b/fs/fuse/acl.c
index f529075a2ce8..e9c0f916349d 100644
--- a/fs/fuse/acl.c
+++ b/fs/fuse/acl.c
@@ -50,7 +50,8 @@ struct posix_acl *fuse_get_acl(struct inode *inode, int type)
 	return acl;
 }
 
-int fuse_set_acl(struct inode *inode, struct posix_acl *acl, int type)
+int fuse_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
+		 struct posix_acl *acl, int type)
 {
 	struct fuse_conn *fc = get_fuse_conn(inode);
 	const char *name;
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index d2e318ed9b26..06a18700a845 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -605,7 +605,8 @@ out_err:
 	return err;
 }
 
-static int fuse_mknod(struct inode *, struct dentry *, umode_t, dev_t);
+static int fuse_mknod(struct user_namespace *, struct inode *, struct dentry *,
+		      umode_t, dev_t);
 static int fuse_atomic_open(struct inode *dir, struct dentry *entry,
 			    struct file *file, unsigned flags,
 			    umode_t mode)
@@ -645,7 +646,7 @@ out_dput:
 	return err;
 
 mknod:
-	err = fuse_mknod(dir, entry, mode, 0);
+	err = fuse_mknod(&init_user_ns, dir, entry, mode, 0);
 	if (err)
 		goto out_dput;
 no_open:
@@ -715,8 +716,8 @@ static int create_new_entry(struct fuse_mount *fm, struct fuse_args *args,
 	return err;
 }
 
-static int fuse_mknod(struct inode *dir, struct dentry *entry, umode_t mode,
-		      dev_t rdev)
+static int fuse_mknod(struct user_namespace *mnt_userns, struct inode *dir,
+		      struct dentry *entry, umode_t mode, dev_t rdev)
 {
 	struct fuse_mknod_in inarg;
 	struct fuse_mount *fm = get_fuse_mount(dir);
@@ -738,13 +739,14 @@ static int fuse_mknod(struct inode *dir, struct dentry *entry, umode_t mode,
 	return create_new_entry(fm, &args, dir, entry, mode);
 }
 
-static int fuse_create(struct inode *dir, struct dentry *entry, umode_t mode,
-		       bool excl)
+static int fuse_create(struct user_namespace *mnt_userns, struct inode *dir,
+		       struct dentry *entry, umode_t mode, bool excl)
 {
-	return fuse_mknod(dir, entry, mode, 0);
+	return fuse_mknod(&init_user_ns, dir, entry, mode, 0);
 }
 
-static int fuse_mkdir(struct inode *dir, struct dentry *entry, umode_t mode)
+static int fuse_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+		      struct dentry *entry, umode_t mode)
 {
 	struct fuse_mkdir_in inarg;
 	struct fuse_mount *fm = get_fuse_mount(dir);
@@ -765,8 +767,8 @@ static int fuse_mkdir(struct inode *dir, struct dentry *entry, umode_t mode)
 	return create_new_entry(fm, &args, dir, entry, S_IFDIR);
 }
 
-static int fuse_symlink(struct inode *dir, struct dentry *entry,
-			const char *link)
+static int fuse_symlink(struct user_namespace *mnt_userns, struct inode *dir,
+			struct dentry *entry, const char *link)
 {
 	struct fuse_mount *fm = get_fuse_mount(dir);
 	unsigned len = strlen(link) + 1;
@@ -908,9 +910,9 @@ static int fuse_rename_common(struct inode *olddir, struct dentry *oldent,
 	return err;
 }
 
-static int fuse_rename2(struct inode *olddir, struct dentry *oldent,
-			struct inode *newdir, struct dentry *newent,
-			unsigned int flags)
+static int fuse_rename2(struct user_namespace *mnt_userns, struct inode *olddir,
+			struct dentry *oldent, struct inode *newdir,
+			struct dentry *newent, unsigned int flags)
 {
 	struct fuse_conn *fc = get_fuse_conn(olddir);
 	int err;
@@ -1249,7 +1251,8 @@ static int fuse_perm_getattr(struct inode *inode, int mask)
  * access request is sent.  Execute permission is still checked
  * locally based on file mode.
  */
-static int fuse_permission(struct inode *inode, int mask)
+static int fuse_permission(struct user_namespace *mnt_userns,
+			   struct inode *inode, int mask)
 {
 	struct fuse_conn *fc = get_fuse_conn(inode);
 	bool refreshed = false;
@@ -1757,7 +1760,8 @@ error:
 	return err;
 }
 
-static int fuse_setattr(struct dentry *entry, struct iattr *attr)
+static int fuse_setattr(struct user_namespace *mnt_userns, struct dentry *entry,
+			struct iattr *attr)
 {
 	struct inode *inode = d_inode(entry);
 	struct fuse_conn *fc = get_fuse_conn(inode);
@@ -1819,7 +1823,8 @@ static int fuse_setattr(struct dentry *entry, struct iattr *attr)
 	return ret;
 }
 
-static int fuse_getattr(const struct path *path, struct kstat *stat,
+static int fuse_getattr(struct user_namespace *mnt_userns,
+			const struct path *path, struct kstat *stat,
 			u32 request_mask, unsigned int flags)
 {
 	struct inode *inode = d_inode(path->dentry);
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 7c4b8cb93f9f..68cca8d4db6e 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -1180,8 +1180,8 @@ extern const struct xattr_handler *fuse_no_acl_xattr_handlers[];
 
 struct posix_acl;
 struct posix_acl *fuse_get_acl(struct inode *inode, int type);
-int fuse_set_acl(struct inode *inode, struct posix_acl *acl, int type);
-
+int fuse_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
+		 struct posix_acl *acl, int type);
 
 /* readdir.c */
 int fuse_readdir(struct file *file, struct dir_context *ctx);