--- zzzz-none-000/linux-3.10.107/fs/ext2/namei.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/fs/ext2/namei.c	2021-02-04 17:41:59.000000000 +0000
@@ -35,7 +35,6 @@
 #include "ext2.h"
 #include "xattr.h"
 #include "acl.h"
-#include "xip.h"
 
 static inline int ext2_add_nondir(struct dentry *dentry, struct inode *inode)
 {
@@ -80,10 +79,10 @@
 struct dentry *ext2_get_parent(struct dentry *child)
 {
 	struct qstr dotdot = QSTR_INIT("..", 2);
-	unsigned long ino = ext2_inode_by_name(child->d_inode, &dotdot);
+	unsigned long ino = ext2_inode_by_name(d_inode(child), &dotdot);
 	if (!ino)
 		return ERR_PTR(-ENOENT);
-	return d_obtain_alias(ext2_iget(child->d_inode->i_sb, ino));
+	return d_obtain_alias(ext2_iget(d_inode(child)->i_sb, ino));
 } 
 
 /*
@@ -97,18 +96,18 @@
 static int ext2_create (struct inode * dir, struct dentry * dentry, umode_t mode, bool excl)
 {
 	struct inode *inode;
+	int err;
 
-	dquot_initialize(dir);
+	err = dquot_initialize(dir);
+	if (err)
+		return err;
 
 	inode = ext2_new_inode(dir, mode, &dentry->d_name);
 	if (IS_ERR(inode))
 		return PTR_ERR(inode);
 
 	inode->i_op = &ext2_file_inode_operations;
-	if (ext2_use_xip(inode->i_sb)) {
-		inode->i_mapping->a_ops = &ext2_aops_xip;
-		inode->i_fop = &ext2_xip_file_operations;
-	} else if (test_opt(inode->i_sb, NOBH)) {
+	if (test_opt(inode->i_sb, NOBH)) {
 		inode->i_mapping->a_ops = &ext2_nobh_aops;
 		inode->i_fop = &ext2_file_operations;
 	} else {
@@ -119,15 +118,34 @@
 	return ext2_add_nondir(dentry, inode);
 }
 
+static int ext2_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)
+{
+	struct inode *inode = ext2_new_inode(dir, mode, NULL);
+	if (IS_ERR(inode))
+		return PTR_ERR(inode);
+
+	inode->i_op = &ext2_file_inode_operations;
+	if (test_opt(inode->i_sb, NOBH)) {
+		inode->i_mapping->a_ops = &ext2_nobh_aops;
+		inode->i_fop = &ext2_file_operations;
+	} else {
+		inode->i_mapping->a_ops = &ext2_aops;
+		inode->i_fop = &ext2_file_operations;
+	}
+	mark_inode_dirty(inode);
+	d_tmpfile(dentry, inode);
+	unlock_new_inode(inode);
+	return 0;
+}
+
 static int ext2_mknod (struct inode * dir, struct dentry *dentry, umode_t mode, dev_t rdev)
 {
 	struct inode * inode;
 	int err;
 
-	if (!new_valid_dev(rdev))
-		return -EINVAL;
-
-	dquot_initialize(dir);
+	err = dquot_initialize(dir);
+	if (err)
+		return err;
 
 	inode = ext2_new_inode (dir, mode, &dentry->d_name);
 	err = PTR_ERR(inode);
@@ -153,7 +171,9 @@
 	if (l > sb->s_blocksize)
 		goto out;
 
-	dquot_initialize(dir);
+	err = dquot_initialize(dir);
+	if (err)
+		goto out;
 
 	inode = ext2_new_inode (dir, S_IFLNK | S_IRWXUGO, &dentry->d_name);
 	err = PTR_ERR(inode);
@@ -173,7 +193,8 @@
 	} else {
 		/* fast symlink */
 		inode->i_op = &ext2_fast_symlink_inode_operations;
-		memcpy((char*)(EXT2_I(inode)->i_data),symname,l);
+		inode->i_link = (char*)EXT2_I(inode)->i_data;
+		memcpy(inode->i_link, symname, l);
 		inode->i_size = l-1;
 	}
 	mark_inode_dirty(inode);
@@ -192,10 +213,12 @@
 static int ext2_link (struct dentry * old_dentry, struct inode * dir,
 	struct dentry *dentry)
 {
-	struct inode *inode = old_dentry->d_inode;
+	struct inode *inode = d_inode(old_dentry);
 	int err;
 
-	dquot_initialize(dir);
+	err = dquot_initialize(dir);
+	if (err)
+		return err;
 
 	inode->i_ctime = CURRENT_TIME_SEC;
 	inode_inc_link_count(inode);
@@ -216,7 +239,9 @@
 	struct inode * inode;
 	int err;
 
-	dquot_initialize(dir);
+	err = dquot_initialize(dir);
+	if (err)
+		return err;
 
 	inode_inc_link_count(dir);
 
@@ -259,16 +284,20 @@
 
 static int ext2_unlink(struct inode * dir, struct dentry *dentry)
 {
-	struct inode * inode = dentry->d_inode;
+	struct inode * inode = d_inode(dentry);
 	struct ext2_dir_entry_2 * de;
 	struct page * page;
-	int err = -ENOENT;
+	int err;
 
-	dquot_initialize(dir);
+	err = dquot_initialize(dir);
+	if (err)
+		goto out;
 
 	de = ext2_find_entry (dir, &dentry->d_name, &page);
-	if (!de)
+	if (!de) {
+		err = -ENOENT;
 		goto out;
+	}
 
 	err = ext2_delete_entry (de, page);
 	if (err)
@@ -283,7 +312,7 @@
 
 static int ext2_rmdir (struct inode * dir, struct dentry *dentry)
 {
-	struct inode * inode = dentry->d_inode;
+	struct inode * inode = d_inode(dentry);
 	int err = -ENOTEMPTY;
 
 	if (ext2_empty_dir(inode)) {
@@ -300,20 +329,27 @@
 static int ext2_rename (struct inode * old_dir, struct dentry * old_dentry,
 	struct inode * new_dir,	struct dentry * new_dentry )
 {
-	struct inode * old_inode = old_dentry->d_inode;
-	struct inode * new_inode = new_dentry->d_inode;
+	struct inode * old_inode = d_inode(old_dentry);
+	struct inode * new_inode = d_inode(new_dentry);
 	struct page * dir_page = NULL;
 	struct ext2_dir_entry_2 * dir_de = NULL;
 	struct page * old_page;
 	struct ext2_dir_entry_2 * old_de;
-	int err = -ENOENT;
+	int err;
 
-	dquot_initialize(old_dir);
-	dquot_initialize(new_dir);
+	err = dquot_initialize(old_dir);
+	if (err)
+		goto out;
+
+	err = dquot_initialize(new_dir);
+	if (err)
+		goto out;
 
 	old_de = ext2_find_entry (old_dir, &old_dentry->d_name, &old_page);
-	if (!old_de)
+	if (!old_de) {
+		err = -ENOENT;
 		goto out;
+	}
 
 	if (S_ISDIR(old_inode->i_mode)) {
 		err = -EIO;
@@ -398,6 +434,8 @@
 #endif
 	.setattr	= ext2_setattr,
 	.get_acl	= ext2_get_acl,
+	.set_acl	= ext2_set_acl,
+	.tmpfile	= ext2_tmpfile,
 };
 
 const struct inode_operations ext2_special_inode_operations = {
@@ -409,4 +447,5 @@
 #endif
 	.setattr	= ext2_setattr,
 	.get_acl	= ext2_get_acl,
+	.set_acl	= ext2_set_acl,
 };