[XFS] mark inodes for reclaim via a tag in the inode radix tree

[~andy/linux] / fs / xfs / linux-2.6 / xfs_sync.c

diff --git a/fs/xfs/linux-2.6/xfs_sync.c b/fs/xfs/linux-2.6/xfs_sync.c
index 34413ceaea9f8c9424d2088c1fca22984a7c6972..9e7f4dccab728bdb8e700689c6ce5c40108fec30 100644 (file)
--- a/fs/xfs/linux-2.6/xfs_sync.c
+++ b/fs/xfs/linux-2.6/xfs_sync.c
@@ -644,6 +644,47 @@ xfs_reclaim_inode(
        return 0;
 }
 
+void
+xfs_inode_set_reclaim_tag(
+       xfs_inode_t     *ip)
+{
+       xfs_mount_t     *mp = ip->i_mount;
+       xfs_perag_t     *pag = xfs_get_perag(mp, ip->i_ino);
+
+       read_lock(&pag->pag_ici_lock);
+       spin_lock(&ip->i_flags_lock);
+       radix_tree_tag_set(&pag->pag_ici_root,
+                       XFS_INO_TO_AGINO(mp, ip->i_ino), XFS_ICI_RECLAIM_TAG);
+       spin_unlock(&ip->i_flags_lock);
+       read_unlock(&pag->pag_ici_lock);
+       xfs_put_perag(mp, pag);
+}
+
+void
+__xfs_inode_clear_reclaim_tag(
+       xfs_mount_t     *mp,
+       xfs_perag_t     *pag,
+       xfs_inode_t     *ip)
+{
+       radix_tree_tag_clear(&pag->pag_ici_root,
+                       XFS_INO_TO_AGINO(mp, ip->i_ino), XFS_ICI_RECLAIM_TAG);
+}
+
+void
+xfs_inode_clear_reclaim_tag(
+       xfs_inode_t     *ip)
+{
+       xfs_mount_t     *mp = ip->i_mount;
+       xfs_perag_t     *pag = xfs_get_perag(mp, ip->i_ino);
+
+       read_lock(&pag->pag_ici_lock);
+       spin_lock(&ip->i_flags_lock);
+       __xfs_inode_clear_reclaim_tag(mp, pag, ip);
+       spin_unlock(&ip->i_flags_lock);
+       read_unlock(&pag->pag_ici_lock);
+       xfs_put_perag(mp, pag);
+}
+
 int
 xfs_reclaim_inodes(
        xfs_mount_t     *mp,