LU-3285 mds: add IO locking to the MDC and MDT

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

diff --git a/lustre/include/uapi/linux/lustre/lustre_idl.h b/lustre/include/uapi/linux/lustre/lustre_idl.h
index 8730351..71c77e0 100644 (file)
--- a/lustre/include/uapi/linux/lustre/lustre_idl.h
+++ b/lustre/include/uapi/linux/lustre/lustre_idl.h
@@ -1608,6 +1608,8 @@ typedef enum {
 #define MDS_INODELOCK_MAXSHIFT 6
 /* This FULL lock is useful to take on unlink sort of operations */
 #define MDS_INODELOCK_FULL ((1<<(MDS_INODELOCK_MAXSHIFT+1))-1)
+/* DOM lock shouldn't be canceled early, use this macro for ELC */
+#define MDS_INODELOCK_ELC (MDS_INODELOCK_FULL & ~MDS_INODELOCK_DOM)
 
 /* NOTE: until Lustre 1.8.7/2.1.1 the fid_ver() was packed into name[2],
  * but was moved into name[1] along with the OID to avoid consuming the
@@ -2360,6 +2362,8 @@ enum ldlm_intent_flags {
        IT_QUOTA_DQACQ = 0x00000800,
        IT_QUOTA_CONN  = 0x00001000,
        IT_SETXATTR    = 0x00002000,
+       IT_GLIMPSE     = 0x00004000,
+       IT_BRW         = 0x00008000,
 };
 
 struct ldlm_intent {