set S_DEAD on unlink() and non-directory rename() victims

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

set S_DEAD on unlink() and non-directory rename() victims
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Al Viro
1 parent db1f05bb85
Showing 1 changed file with 6 additions and 1 deletions Side-by-side Diff
fs/namei.c
@@ -2262,8 +2262,11 @@
 		error = -EBUSY;
 	else {
 		error = security_inode_unlink(dir, dentry);
-		if (!error)
+		if (!error) {
 			error = dir->i_op->unlink(dir, dentry);
+			if (!error)
+				dentry->d_inode->i_flags |= S_DEAD;
+		}
 	}
 	mutex_unlock(&dentry->d_inode->i_mutex);
  
@@ -2616,6 +2619,8 @@
 	else
 		error = old_dir->i_op->rename(old_dir, old_dentry, new_dir, new_dentry);
 	if (!error) {
+		if (target)
+			target->i_flags |= S_DEAD;
 		if (!(old_dir->i_sb->s_type->fs_flags & FS_RENAME_DOES_D_MOVE))
 			d_move(old_dentry, new_dentry);
 	}
...	...	@@ -2262,8 +2262,11 @@
2262	2262	error = -EBUSY;
2263	2263	else {
2264	2264	error = security_inode_unlink(dir, dentry);
2265		- if (!error)
	2265	+ if (!error) {
2266	2266	error = dir->i_op->unlink(dir, dentry);
	2267	+ if (!error)
	2268	+ dentry->d_inode->i_flags \|= S_DEAD;
	2269	+ }
2267	2270	}
2268	2271	mutex_unlock(&dentry->d_inode->i_mutex);
2269	2272
...	...	@@ -2616,6 +2619,8 @@
2616	2619	else
2617	2620	error = old_dir->i_op->rename(old_dir, old_dentry, new_dir, new_dentry);
2618	2621	if (!error) {
	2622	+ if (target)
	2623	+ target->i_flags \|= S_DEAD;
2619	2624	if (!(old_dir->i_sb->s_type->fs_flags & FS_RENAME_DOES_D_MOVE))
2620	2625	d_move(old_dentry, new_dentry);
2621	2626	}