LU-3321 clio: optimize read ahead code

[fs/lustre-release.git] / lustre / lclient / lcommon_cl.c

diff --git a/lustre/lclient/lcommon_cl.c b/lustre/lclient/lcommon_cl.c
index f69dd87..267797f 100644 (file)
--- a/lustre/lclient/lcommon_cl.c
+++ b/lustre/lclient/lcommon_cl.c
@@ -481,35 +481,6 @@ static void ccc_object_size_unlock(struct cl_object *obj)
  *
  */
 
-int ccc_page_is_under_lock(const struct lu_env *env,
-                           const struct cl_page_slice *slice,
-                           struct cl_io *io)
-{
-        struct ccc_io        *cio  = ccc_env_io(env);
-        struct cl_lock_descr *desc = &ccc_env_info(env)->cti_descr;
-        struct cl_page       *page = slice->cpl_page;
-
-        int result;
-
-        ENTRY;
-
-        if (io->ci_type == CIT_READ || io->ci_type == CIT_WRITE ||
-            io->ci_type == CIT_FAULT) {
-                if (cio->cui_fd->fd_flags & LL_FILE_GROUP_LOCKED)
-                        result = -EBUSY;
-                else {
-                       desc->cld_start = ccc_index(cl2ccc_page(slice));
-                       desc->cld_end   = ccc_index(cl2ccc_page(slice));
-                        desc->cld_obj   = page->cp_obj;
-                        desc->cld_mode  = CLM_READ;
-                        result = cl_queue_match(&io->ci_lockset.cls_done,
-                                                desc) ? -EBUSY : 0;
-                }
-        } else
-                result = 0;
-        RETURN(result);
-}
-
 int ccc_fail(const struct lu_env *env, const struct cl_page_slice *slice)
 {
         /*