LU-3536 lod: write updates to update log

[fs/lustre-release.git] / lustre / target / out_lib.c

diff --git a/lustre/target/out_lib.c b/lustre/target/out_lib.c
index 2a2b2b5..89948cc 100644 (file)
--- a/lustre/target/out_lib.c
+++ b/lustre/target/out_lib.c
@@ -57,6 +57,7 @@ const char *update_op_str(__u16 opc)
                [OUT_WRITE] = "write",
                [OUT_XATTR_DEL] = "xattr_del",
                [OUT_PUNCH] = "punch",
+               [OUT_READ] = "read",
        };
 
        if (opc < ARRAY_SIZE(opc_str) && opc_str[opc] != NULL)
@@ -385,3 +386,18 @@ int out_xattr_get_pack(const struct lu_env *env, struct object_update *update,
                               fid, 1, &size, (const void **)&name);
 }
 EXPORT_SYMBOL(out_xattr_get_pack);
+
+int out_read_pack(const struct lu_env *env, struct object_update *update,
+                 size_t max_update_length, const struct lu_fid *fid,
+                 size_t size, loff_t pos)
+{
+       __u16           sizes[2] = {sizeof(size), sizeof(pos)};
+       const void      *bufs[2] = {&size, &pos};
+
+       size = cpu_to_le64(size);
+       pos = cpu_to_le64(pos);
+
+       return out_update_pack(env, update, max_update_length, OUT_READ, fid,
+                              ARRAY_SIZE(sizes), sizes, bufs);
+}
+EXPORT_SYMBOL(out_read_pack);