LU-4198 clio: AIO support for direct IO

[fs/lustre-release.git] / lustre / llite / vvp_page.c

diff --git a/lustre/llite/vvp_page.c b/lustre/llite/vvp_page.c
index 7fb019c..0c9d552 100644 (file)
--- a/lustre/llite/vvp_page.c
+++ b/lustre/llite/vvp_page.c
@@ -89,6 +89,8 @@ static int vvp_page_own(const struct lu_env *env,
        struct vvp_page *vpg    = cl2vvp_page(slice);
        struct page     *vmpage = vpg->vpg_page;
 
+       ENTRY;
+
        LASSERT(vmpage != NULL);
        if (nonblock) {
                if (!trylock_page(vmpage))
@@ -105,7 +107,7 @@ static int vvp_page_own(const struct lu_env *env,
        lock_page(vmpage);
        wait_on_page_writeback(vmpage);
 
-       return 0;
+       RETURN(0);
 }
 
 static void vvp_page_assume(const struct lu_env *env,
@@ -134,10 +136,14 @@ static void vvp_page_disown(const struct lu_env *env,
 {
        struct page *vmpage = cl2vm_page(slice);
 
+       ENTRY;
+
        LASSERT(vmpage != NULL);
        LASSERT(PageLocked(vmpage));
 
        unlock_page(cl2vm_page(slice));
+
+       EXIT;
 }
 
 static void vvp_page_discard(const struct lu_env *env,