Merge tag 'upstream-5.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs

Pull UBIFS fixes from Richard Weinberger:

 - build errors wrt xattrs

 - mismerge which lead to a wrong Kconfig ifdef

 - missing endianness conversion

* tag 'upstream-5.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs:
  ubifs: Convert xattr inum to host order
  ubifs: Use correct config name for encryption
  ubifs: Fix build error without CONFIG_UBIFS_FS_XATTR

Author: torvalds

fs/ubifs/sb.c

@@ -748,7 +748,7 @@ int ubifs_read_superblock(struct ubifs_info *c)
 		goto out;
 	}
 
-	if (!IS_ENABLED(CONFIG_UBIFS_FS_ENCRYPTION) && c->encrypted) {
+	if (!IS_ENABLED(CONFIG_FS_ENCRYPTION) && c->encrypted) {
 		ubifs_err(c, "file system contains encrypted files but UBIFS"
 			     " was built without crypto support.");
 		err = -EINVAL;
@@ -941,7 +941,7 @@ int ubifs_enable_encryption(struct ubifs_info *c)
 	int err;
 	struct ubifs_sb_node *sup = c->sup_node;
 
-	if (!IS_ENABLED(CONFIG_UBIFS_FS_ENCRYPTION))
+	if (!IS_ENABLED(CONFIG_FS_ENCRYPTION))
 		return -EOPNOTSUPP;
 
 	if (c->encrypted)

fs/ubifs/ubifs.h

@@ -2015,13 +2015,17 @@ int ubifs_xattr_set(struct inode *host, const char *name, const void *value,
 		    size_t size, int flags, bool check_lock);
 ssize_t ubifs_xattr_get(struct inode *host, const char *name, void *buf,
 			size_t size);
-int ubifs_purge_xattrs(struct inode *host);
 
 #ifdef CONFIG_UBIFS_FS_XATTR
 void ubifs_evict_xattr_inode(struct ubifs_info *c, ino_t xattr_inum);
+int ubifs_purge_xattrs(struct inode *host);
 #else
 static inline void ubifs_evict_xattr_inode(struct ubifs_info *c,
 					   ino_t xattr_inum) { }
+static inline int ubifs_purge_xattrs(struct inode *host)
+{
+	return 0;
+}
 #endif
 
 #ifdef CONFIG_UBIFS_FS_SECURITY

fs/ubifs/xattr.c

@@ -527,7 +527,7 @@ int ubifs_purge_xattrs(struct inode *host)
 		fname_name(&nm) = xent->name;
 		fname_len(&nm) = le16_to_cpu(xent->nlen);
 
-		xino = ubifs_iget(c->vfs_sb, xent->inum);
+		xino = ubifs_iget(c->vfs_sb, le64_to_cpu(xent->inum));
 		if (IS_ERR(xino)) {
 			err = PTR_ERR(xino);
 			ubifs_err(c, "dead directory entry '%s', error %d",