LU-9771 flr: Send write intent RPC to mdt

[fs/lustre-release.git] / lustre / include / cl_object.h

diff --git a/lustre/include/cl_object.h b/lustre/include/cl_object.h
index d8ed065..61338cd 100644 (file)
--- a/lustre/include/cl_object.h
+++ b/lustre/include/cl_object.h
@@ -1796,6 +1796,8 @@ struct cl_io {
         struct cl_lockset              ci_lockset;
         /** lock requirements, this is just a help info for sublayers. */
         enum cl_io_lock_dmd            ci_lockreq;
+       /** layout version when this IO occurs */
+       __u32                           ci_layout_version;
         union {
                struct cl_rw_io {
                        struct iov_iter          rw_iter;
@@ -1871,8 +1873,10 @@ struct cl_io {
         */
                             ci_ignore_layout:1,
        /**
-        * Need MDS intervention to complete a write. This usually means the
-        * corresponding component is not initialized for the writing extent.
+        * Need MDS intervention to complete a write.
+        * Write intent is required for the following cases:
+        * 1. component being written is not initialized, or
+        * 2. the mirrored files are NOT in WRITE_PENDING state.
         */
                             ci_need_write_intent:1,
        /**