Commit 70d45cdb authored by Al Viro's avatar Al Viro
Browse files

ufs: don't touch mtime/ctime of directory being moved 



See "ext2: Do not update mtime of a moved directory" (and followup in
"ext2: fix unbalanced kmap()/kunmap()") for background; this is UFS
equivalent - the same problem exists here.

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent a50e4a02

fs/ufs/dir.c

+4 −2
Original line number Diff line number Diff line
@@ -87,7 +87,8 @@ ino_t ufs_inode_by_name(struct inode *dir, const struct qstr *qstr) 


/* Releases the page */

void ufs_set_link(struct inode *dir, struct ufs_dir_entry *de,

		  struct page *page, struct inode *inode)

		  struct page *page, struct inode *inode,

		  bool update_times)

{

	loff_t pos = page_offset(page) +

			(char *) de - (char *) page_address(page);
@@ -103,6 +104,7 @@ void ufs_set_link(struct inode *dir, struct ufs_dir_entry *de, 


	err = ufs_commit_chunk(page, pos, len);

	ufs_put_page(page);

	if (update_times)

		dir->i_mtime = dir->i_ctime = CURRENT_TIME_SEC;

	mark_inode_dirty(dir);

}

fs/ufs/namei.c

+7 −2
Original line number Diff line number Diff line
@@ -276,7 +276,7 @@ static int ufs_rename(struct inode *old_dir, struct dentry *old_dentry, 
		new_de = ufs_find_entry(new_dir, &new_dentry->d_name, &new_page);

		if (!new_de)

			goto out_dir;

		ufs_set_link(new_dir, new_de, new_page, old_inode);

		ufs_set_link(new_dir, new_de, new_page, old_inode, 1);

		new_inode->i_ctime = CURRENT_TIME_SEC;

		if (dir_de)

			drop_nlink(new_inode);
@@ -299,7 +299,12 @@ static int ufs_rename(struct inode *old_dir, struct dentry *old_dentry, 
	mark_inode_dirty(old_inode);



	if (dir_de) {

		ufs_set_link(old_inode, dir_de, dir_page, new_dir);

		if (old_dir != new_dir)

			ufs_set_link(old_inode, dir_de, dir_page, new_dir, 0);

		else {

			kunmap(dir_page);

			page_cache_release(dir_page);

		}

		inode_dec_link_count(old_dir);

	}

	return 0;

fs/ufs/ufs.h

+1 −1
Original line number Diff line number Diff line
@@ -106,7 +106,7 @@ extern int ufs_delete_entry(struct inode *, struct ufs_dir_entry *, struct page 
extern int ufs_empty_dir (struct inode *);

extern struct ufs_dir_entry *ufs_dotdot(struct inode *, struct page **);

extern void ufs_set_link(struct inode *dir, struct ufs_dir_entry *de,

			 struct page *page, struct inode *inode);

			 struct page *page, struct inode *inode, bool update_times);



/* file.c */

extern const struct inode_operations ufs_file_inode_operations;

CRA Git | Maintained and supported by SUSTech CRA and CCSE