/*
* ioctl commands
*/
-#define EXT2_IOC_GETFLAGS FS_IOC_GETFLAGS
-#define EXT2_IOC_SETFLAGS FS_IOC_SETFLAGS
#define EXT2_IOC_GETVERSION FS_IOC_GETVERSION
#define EXT2_IOC_SETVERSION FS_IOC_SETVERSION
#define EXT2_IOC_GETRSVSZ _IOR('f', 5, long)
/*
* ioctl commands in 32 bit emulation
*/
-#define EXT2_IOC32_GETFLAGS FS_IOC32_GETFLAGS
-#define EXT2_IOC32_SETFLAGS FS_IOC32_SETFLAGS
#define EXT2_IOC32_GETVERSION FS_IOC32_GETVERSION
#define EXT2_IOC32_SETVERSION FS_IOC32_SETVERSION
extern int ext2_inode_by_name(struct inode *dir,
const struct qstr *child, ino_t *ino);
extern int ext2_make_empty(struct inode *, struct inode *);
- extern struct ext2_dir_entry_2 * ext2_find_entry (struct inode *,const struct qstr *, struct page **);
+ extern struct ext2_dir_entry_2 *ext2_find_entry(struct inode *, const struct qstr *,
+ struct page **, void **res_page_addr);
extern int ext2_delete_entry (struct ext2_dir_entry_2 *, struct page *);
extern int ext2_empty_dir (struct inode *);
- extern struct ext2_dir_entry_2 * ext2_dotdot (struct inode *, struct page **);
- extern void ext2_set_link(struct inode *, struct ext2_dir_entry_2 *, struct page *, struct inode *, int);
- static inline void ext2_put_page(struct page *page)
+ extern struct ext2_dir_entry_2 *ext2_dotdot(struct inode *dir, struct page **p, void **pa);
+ extern void ext2_set_link(struct inode *, struct ext2_dir_entry_2 *, struct page *, void *,
+ struct inode *, int);
+ static inline void ext2_put_page(struct page *page, void *page_addr)
{
- kunmap(page);
+ kunmap_local(page_addr);
put_page(page);
}
u64 start, u64 len);
/* ioctl.c */
+extern int ext2_fileattr_get(struct dentry *dentry, struct fileattr *fa);
+extern int ext2_fileattr_set(struct user_namespace *mnt_userns,
+ struct dentry *dentry, struct fileattr *fa);
extern long ext2_ioctl(struct file *, unsigned int, unsigned long);
extern long ext2_compat_ioctl(struct file *, unsigned int, unsigned long);
struct inode * inode = d_inode(dentry);
struct ext2_dir_entry_2 * de;
struct page * page;
+ void *page_addr;
int err;
err = dquot_initialize(dir);
if (err)
goto out;
- de = ext2_find_entry(dir, &dentry->d_name, &page);
+ de = ext2_find_entry(dir, &dentry->d_name, &page, &page_addr);
if (IS_ERR(de)) {
err = PTR_ERR(de);
goto out;
}
err = ext2_delete_entry (de, page);
+ ext2_put_page(page, page_addr);
if (err)
goto out;
struct inode * old_inode = d_inode(old_dentry);
struct inode * new_inode = d_inode(new_dentry);
struct page * dir_page = NULL;
+ void *dir_page_addr;
struct ext2_dir_entry_2 * dir_de = NULL;
struct page * old_page;
+ void *old_page_addr;
struct ext2_dir_entry_2 * old_de;
int err;
if (err)
goto out;
- old_de = ext2_find_entry(old_dir, &old_dentry->d_name, &old_page);
+ old_de = ext2_find_entry(old_dir, &old_dentry->d_name, &old_page,
+ &old_page_addr);
if (IS_ERR(old_de)) {
err = PTR_ERR(old_de);
goto out;
if (S_ISDIR(old_inode->i_mode)) {
err = -EIO;
- dir_de = ext2_dotdot(old_inode, &dir_page);
+ dir_de = ext2_dotdot(old_inode, &dir_page, &dir_page_addr);
if (!dir_de)
goto out_old;
}
if (new_inode) {
+ void *page_addr;
struct page *new_page;
struct ext2_dir_entry_2 *new_de;
if (dir_de && !ext2_empty_dir (new_inode))
goto out_dir;
- new_de = ext2_find_entry(new_dir, &new_dentry->d_name, &new_page);
+ new_de = ext2_find_entry(new_dir, &new_dentry->d_name,
+ &new_page, &page_addr);
if (IS_ERR(new_de)) {
err = PTR_ERR(new_de);
goto out_dir;
}
- ext2_set_link(new_dir, new_de, new_page, old_inode, 1);
+ ext2_set_link(new_dir, new_de, new_page, page_addr, old_inode, 1);
+ ext2_put_page(new_page, page_addr);
new_inode->i_ctime = current_time(new_inode);
if (dir_de)
drop_nlink(new_inode);
old_inode->i_ctime = current_time(old_inode);
mark_inode_dirty(old_inode);
- ext2_delete_entry (old_de, old_page);
+ ext2_delete_entry(old_de, old_page);
if (dir_de) {
if (old_dir != new_dir)
- ext2_set_link(old_inode, dir_de, dir_page, new_dir, 0);
- else
- ext2_put_page(dir_page);
+ ext2_set_link(old_inode, dir_de, dir_page,
+ dir_page_addr, new_dir, 0);
+
+ ext2_put_page(dir_page, dir_page_addr);
inode_dec_link_count(old_dir);
}
- return 0;
+ ext2_put_page(old_page, old_page_addr);
+ return 0;
out_dir:
if (dir_de)
- ext2_put_page(dir_page);
+ ext2_put_page(dir_page, dir_page_addr);
out_old:
- ext2_put_page(old_page);
+ ext2_put_page(old_page, old_page_addr);
out:
return err;
}
.get_acl = ext2_get_acl,
.set_acl = ext2_set_acl,
.tmpfile = ext2_tmpfile,
+ .fileattr_get = ext2_fileattr_get,
+ .fileattr_set = ext2_fileattr_set,
};
const struct inode_operations ext2_special_inode_operations = {