diff options
Diffstat (limited to 'usr/src/uts/common/os/share.c')
| -rw-r--r-- | usr/src/uts/common/os/share.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/usr/src/uts/common/os/share.c b/usr/src/uts/common/os/share.c index 55a7422868..6a06be2d9c 100644 --- a/usr/src/uts/common/os/share.c +++ b/usr/src/uts/common/os/share.c @@ -24,7 +24,7 @@ */ /* - * Copyright 2016 Nexenta Systems, Inc. All rights reserved. + * Copyright 2019 Nexenta by DDN, Inc. All rights reserved. */ #include <sys/types.h> @@ -125,6 +125,8 @@ add_share(struct vnode *vp, struct shrlock *shr) (shr->s_deny & F_RDDNY) || (shrl->shr->s_access & F_WRACC)) { mutex_exit(&vp->v_lock); + DTRACE_PROBE1(conflict_shrlock, + struct shrlock *, shrl->shr); return (EAGAIN); } /* @@ -135,6 +137,8 @@ add_share(struct vnode *vp, struct shrlock *shr) if (isreadonly(vp)) break; mutex_exit(&vp->v_lock); + DTRACE_PROBE1(conflict_shrlock, + struct shrlock *, shrl->shr); return (EAGAIN); } /* @@ -147,6 +151,8 @@ add_share(struct vnode *vp, struct shrlock *shr) (shrl->shr->s_access == F_RDACC)) break; mutex_exit(&vp->v_lock); + DTRACE_PROBE1(conflict_shrlock, + struct shrlock *, shrl->shr); return (EAGAIN); } @@ -171,6 +177,8 @@ add_share(struct vnode *vp, struct shrlock *shr) (shrl->shr->s_deny & F_RDDNY) || (shrl->shr->s_access & F_WRACC)) { mutex_exit(&vp->v_lock); + DTRACE_PROBE1(conflict_shrlock, + struct shrlock *, shrl->shr); return (EAGAIN); } /* @@ -183,6 +191,8 @@ add_share(struct vnode *vp, struct shrlock *shr) break; } mutex_exit(&vp->v_lock); + DTRACE_PROBE1(conflict_shrlock, + struct shrlock *, shrl->shr); return (EAGAIN); } /* @@ -199,6 +209,8 @@ add_share(struct vnode *vp, struct shrlock *shr) if ((shr->s_access & shrl->shr->s_deny) || (shr->s_deny & shrl->shr->s_access)) { mutex_exit(&vp->v_lock); + DTRACE_PROBE1(conflict_shrlock, + struct shrlock *, shrl->shr); return (EAGAIN); } } @@ -609,8 +621,11 @@ nbl_share_conflict(vnode_t *vp, nbl_op_t op, caller_context_t *ct) break; #endif } - if (conflict) + if (conflict) { + DTRACE_PROBE1(conflict_shrlock, + struct shrlock *, shrl->shr); break; + } } mutex_exit(&vp->v_lock); |