Author: mjg
Date: Sun May 20 04:45:05 2018
New Revision: 333916
URL: https://svnweb.freebsd.org/changeset/base/333916
Log:
vfs: simplify vop_stdlock/unlock
The interlock pointer is non-NULL by definition and the compiler see through
that and eliminates the NULL checks. Just remove them from the code as they
play no role.
No difference in generated assembly.
Modified:
head/sys/kern/vfs_default.c
Modified: head/sys/kern/vfs_default.c
==============================================================================
--- head/sys/kern/vfs_default.c Sun May 20 04:38:04 2018 (r333915)
+++ head/sys/kern/vfs_default.c Sun May 20 04:45:05 2018 (r333916)
@@ -505,7 +505,7 @@ vop_stdlock(ap)
ilk = VI_MTX(vp);
return (lockmgr_lock_fast_path(vp->v_vnlock, ap->a_flags,
- (ilk != NULL) ? &ilk->lock_object : NULL, ap->a_file, ap->a_line));
+ &ilk->lock_object, ap->a_file, ap->a_line));
}
/* See above. */
@@ -521,7 +521,7 @@ vop_stdunlock(ap)
ilk = VI_MTX(vp);
return (lockmgr_unlock_fast_path(vp->v_vnlock, ap->a_flags,
- (ilk != NULL) ? &ilk->lock_object : NULL));
+ &ilk->lock_object));
}
/* See above. */
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