xfs: remove the incorrect comment about the b_pag field

The rbtree root is long gone.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>

diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h
index 3d56bc7a35cc51b4167264f7632221eddacb061e..da80399c745743e6fa7ba6fe8b53cc8486bd93a2 100644 (file)
--- a/fs/xfs/xfs_buf.h
+++ b/fs/xfs/xfs_buf.h
@@ -187,7 +187,7 @@ struct xfs_buf {
        int                     b_io_error;     /* internal IO error state */
        wait_queue_head_t       b_waiters;      /* unpin waiters */
        struct list_head        b_list;
-       struct xfs_perag        *b_pag;         /* contains rbtree root */
+       struct xfs_perag        *b_pag;
        struct xfs_mount        *b_mount;
        struct xfs_buftarg      *b_target;      /* buffer target (device) */
        void                    *b_addr;        /* virtual address of buffer */