LU-12526 pcc: Auto attach for PCC during IO

[fs/lustre-release.git] / lustre / include / uapi / linux / lustre / lustre_user.h

diff --git a/lustre/include/uapi/linux/lustre/lustre_user.h b/lustre/include/uapi/linux/lustre/lustre_user.h
index a71d6f8..d7d8d48 100644 (file)
--- a/lustre/include/uapi/linux/lustre/lustre_user.h
+++ b/lustre/include/uapi/linux/lustre/lustre_user.h
@@ -2571,6 +2571,14 @@ enum lu_pcc_state_flags {
        PCC_STATE_FL_ATTACHING          = 0x02,
        /* Allow to auto attach at open */
        PCC_STATE_FL_OPEN_ATTACH        = 0x04,
+       /* Allow to auto attach during I/O after layout lock revocation */
+       PCC_STATE_FL_IO_ATTACH          = 0x08,
+       /* Allow to auto attach at stat */
+       PCC_STATE_FL_STAT_ATTACH        = 0x10,
+       /* Allow to auto attach at the next open or layout refresh */
+       PCC_STATE_FL_AUTO_ATTACH        = PCC_STATE_FL_OPEN_ATTACH |
+                                         PCC_STATE_FL_IO_ATTACH |
+                                         PCC_STATE_FL_STAT_ATTACH,
 };
 
 struct lu_pcc_state {