svn commit: r363939 - head/sys/kern

[Mateusz Guzik]

Author: mjg
Date: Thu Aug  6 04:20:14 2020
New Revision: 363939
URL: https://svnweb.freebsd.org/changeset/base/363939

Log:
  cache: add more predicts for failing conditions

Modified:
  head/sys/kern/vfs_cache.c

Modified: head/sys/kern/vfs_cache.c
==============================================================================
--- head/sys/kern/vfs_cache.c	Thu Aug  6 04:19:47 2020	(r363938)
+++ head/sys/kern/vfs_cache.c	Thu Aug  6 04:20:14 2020	(r363939)
@@ -3389,7 +3389,7 @@ cache_fplookup_final_child(struct cache_fpl *fpl, enum
 		if ((cnp->cn_flags & LOCKSHARED) == 0)
 			lkflags = LK_EXCLUSIVE;
 		error = vget_finish(tvp, lkflags, tvs);
-		if (error != 0) {
+		if (__predict_false(error != 0)) {
 			return (cache_fpl_aborted(fpl));
 		}
 	} else {
@@ -3442,7 +3442,7 @@ cache_fplookup_final_withparent(struct cache_fpl *fpl)
 
 	if ((cnp->cn_flags & LOCKPARENT) != 0) {
 		error = vget_finish(dvp, LK_EXCLUSIVE, dvs);
-		if (error != 0) {
+		if (__predict_false(error != 0)) {
 			vget_abort(tvp, tvs);
 			return (cache_fpl_aborted(fpl));
 		}
@@ -3460,7 +3460,7 @@ cache_fplookup_final_withparent(struct cache_fpl *fpl)
 	}
 
 	error = cache_fplookup_final_child(fpl, tvs);
-	if (error != 0) {
+	if (__predict_false(error != 0)) {
 		MPASS(fpl->status == CACHE_FPL_STATUS_ABORTED);
 		if ((cnp->cn_flags & LOCKPARENT) != 0)
 			vput(dvp);