X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=fs%2Fxfs%2Fxfs_trans_inode.c;fp=fs%2Fxfs%2Fxfs_trans_inode.c;h=ccb34532768bd65a1c5baa14a4a0a143df1ea2cb;hb=f2ec334db8d14ae3ec2e4bf8d974f75b8f772e26;hp=cdc53a1050c56ac365a2d61114f65d1cc03fbc26;hpb=81e20d4d8d0317ecf1c7d193a52ab26cf74e1737;p=mv-sheeva.git

diff --git a/fs/xfs/xfs_trans_inode.c b/fs/xfs/xfs_trans_inode.c
index cdc53a1050c..ccb34532768 100644
--- a/fs/xfs/xfs_trans_inode.c
+++ b/fs/xfs/xfs_trans_inode.c
@@ -117,6 +117,36 @@ xfs_trans_ijoin_ref(
 	ip->i_itemp->ili_lock_flags = lock_flags;
 }
 
+/*
+ * Transactional inode timestamp update. Requires the inode to be locked and
+ * joined to the transaction supplied. Relies on the transaction subsystem to
+ * track dirty state and update/writeback the inode accordingly.
+ */
+void
+xfs_trans_ichgtime(
+	struct xfs_trans	*tp,
+	struct xfs_inode	*ip,
+	int			flags)
+{
+	struct inode		*inode = VFS_I(ip);
+	timespec_t		tv;
+
+	ASSERT(tp);
+	ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
+	ASSERT(ip->i_transp == tp);
+
+	tv = current_fs_time(inode->i_sb);
+
+	if ((flags & XFS_ICHGTIME_MOD) &&
+	    !timespec_equal(&inode->i_mtime, &tv)) {
+		inode->i_mtime = tv;
+	}
+	if ((flags & XFS_ICHGTIME_CHG) &&
+	    !timespec_equal(&inode->i_ctime, &tv)) {
+		inode->i_ctime = tv;
+	}
+}
+
 /*
  * This is called to mark the fields indicated in fieldmask as needing
  * to be logged when the transaction is committed.  The inode must