LU-3259 clio: cl_lock simplification

[fs/lustre-release.git] / lustre / llite / rw26.c

diff --git a/lustre/llite/rw26.c b/lustre/llite/rw26.c
index 73774ae..5749cf0 100644 (file)
--- a/lustre/llite/rw26.c
+++ b/lustre/llite/rw26.c
@@ -170,8 +170,7 @@ static int ll_releasepage(struct page *vmpage, RELEASEPAGE_ARG_TYPE gfp_mask)
         * If this page holds the last refc of cl_object, the following
         * call path may cause reschedule:
         *   cl_page_put -> cl_page_free -> cl_object_put ->
-        *     lu_object_put -> lu_object_free -> lov_delete_raid0 ->
-        *     cl_locks_prune.
+        *     lu_object_put -> lu_object_free -> lov_delete_raid0.
         *
         * However, the kernel can't get rid of this inode until all pages have
         * been cleaned up. Now that we hold page lock here, it's pretty safe
@@ -542,6 +541,7 @@ static int ll_write_begin(struct file *file, struct address_space *mapping,
 
        /* To avoid deadlock, try to lock page first. */
        vmpage = grab_cache_page_nowait(mapping, index);
+
        if (unlikely(vmpage == NULL ||
                     PageDirty(vmpage) || PageWriteback(vmpage))) {
                struct ccc_io *cio = ccc_env_io(env);