X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=fs%2Fext3%2Fioctl.c;h=82c325f55397af1c5d3b61f479dd07968d501194;hb=a8e794ca871505c8ea96cc102f4ad555c5231d7f;hp=3681474e57d97d664d8537aae0060943b3c38892;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git

diff --git a/fs/ext3/ioctl.c b/fs/ext3/ioctl.c
index 3681474e5..82c325f55 100644
--- a/fs/ext3/ioctl.c
+++ b/fs/ext3/ioctl.c
@@ -12,6 +12,7 @@
 #include <linux/ext3_fs.h>
 #include <linux/ext3_jbd.h>
 #include <linux/time.h>
+#include <linux/vserver/xid.h>
 #include <asm/uaccess.h>
 
 
@@ -150,6 +151,38 @@ flags_err:
 			remove_wait_queue(&EXT3_SB(sb)->ro_wait_queue, &wait);
 			return ret;
 		}
+#endif
+#if defined(CONFIG_VSERVER_LEGACY) && !defined(CONFIG_INOXID_NONE)
+	case EXT3_IOC_SETXID: {
+		handle_t *handle;
+		struct ext3_iloc iloc;
+		int xid;
+		int err;
+
+		/* fixme: if stealth, return -ENOTTY */
+		if (!capable(CAP_CONTEXT))
+			return -EPERM;
+		if (IS_RDONLY(inode))
+			return -EROFS;
+		if (!(inode->i_sb->s_flags & MS_TAGXID))
+			return -ENOSYS;
+		if (get_user(xid, (int *) arg))
+			return -EFAULT;	
+
+		handle = ext3_journal_start(inode, 1);
+		if (IS_ERR(handle))
+			return PTR_ERR(handle);
+		err = ext3_reserve_inode_write(handle, inode, &iloc);
+		if (err)
+			return err;
+
+		inode->i_xid = (xid & 0xFFFF);
+		inode->i_ctime = CURRENT_TIME;
+
+		err = ext3_mark_iloc_dirty(handle, inode, &iloc);
+		ext3_journal_stop(handle);
+		return err;
+	}
 #endif
 	default:
 		return -ENOTTY;