LU-3259 clio: Revise read ahead implementation

[fs/lustre-release.git] / lustre / osc / osc_page.c

diff --git a/lustre/osc/osc_page.c b/lustre/osc/osc_page.c
index 9f9f2d0..08eb661 100644 (file)
--- a/lustre/osc/osc_page.c
+++ b/lustre/osc/osc_page.c
@@ -232,26 +232,6 @@ void osc_index2policy(ldlm_policy_data_t *policy, const struct cl_object *obj,
         policy->l_extent.end   = cl_offset(obj, end + 1) - 1;
 }
 
-static int osc_page_is_under_lock(const struct lu_env *env,
-                                 const struct cl_page_slice *slice,
-                                 struct cl_io *unused, pgoff_t *max_index)
-{
-       struct osc_page         *opg = cl2osc_page(slice);
-       struct ldlm_lock        *dlmlock;
-       int                     result = -ENODATA;
-
-       ENTRY;
-       dlmlock = osc_dlmlock_at_pgoff(env, cl2osc(slice->cpl_obj),
-                                      osc_index(opg), 1, 0);
-       if (dlmlock != NULL) {
-               *max_index = cl_index(slice->cpl_obj,
-                                     dlmlock->l_policy_data.l_extent.end);
-               LDLM_LOCK_PUT(dlmlock);
-               result = 0;
-       }
-       RETURN(result);
-}
-
 static const char *osc_list(struct list_head *head)
 {
        return list_empty(head) ? "-" : "+";
@@ -406,7 +386,6 @@ static int osc_page_flush(const struct lu_env *env,
 static const struct cl_page_operations osc_page_ops = {
        .cpo_print         = osc_page_print,
        .cpo_delete        = osc_page_delete,
-       .cpo_is_under_lock = osc_page_is_under_lock,
        .cpo_clip           = osc_page_clip,
        .cpo_cancel         = osc_page_cancel,
        .cpo_flush          = osc_page_flush