Author: kib Date: Thu Feb 23 09:30:37 2017 New Revision: 314133 URL: https://svnweb.freebsd.org/changeset/base/314133
Log: MFC r313496: Increase a chance of devfs_close() calling d_close cdevsw method. Modified: stable/11/sys/kern/vfs_vnops.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/kern/vfs_vnops.c ============================================================================== --- stable/11/sys/kern/vfs_vnops.c Thu Feb 23 08:17:42 2017 (r314132) +++ stable/11/sys/kern/vfs_vnops.c Thu Feb 23 09:30:37 2017 (r314133) @@ -422,12 +422,9 @@ vn_writechk(vp) /* * Vnode close call */ -int -vn_close(vp, flags, file_cred, td) - register struct vnode *vp; - int flags; - struct ucred *file_cred; - struct thread *td; +static int +vn_close1(struct vnode *vp, int flags, struct ucred *file_cred, + struct thread *td, bool keep_ref) { struct mount *mp; int error, lock_flags; @@ -449,11 +446,22 @@ vn_close(vp, flags, file_cred, td) __func__, vp, vp->v_writecount); } error = VOP_CLOSE(vp, flags, file_cred, td); - vput(vp); + if (keep_ref) + VOP_UNLOCK(vp, 0); + else + vput(vp); vn_finished_write(mp); return (error); } +int +vn_close(struct vnode *vp, int flags, struct ucred *file_cred, + struct thread *td) +{ + + return (vn_close1(vp, flags, file_cred, td, false)); +} + /* * Heuristic to detect sequential operation. */ @@ -1569,16 +1577,15 @@ vn_closefile(fp, td) struct vnode *vp; struct flock lf; int error; + bool ref; vp = fp->f_vnode; fp->f_ops = &badfileops; + ref= (fp->f_flag & FHASLOCK) != 0 && fp->f_type == DTYPE_VNODE; - if (fp->f_type == DTYPE_VNODE && fp->f_flag & FHASLOCK) - vref(vp); - - error = vn_close(vp, fp->f_flag, fp->f_cred, td); + error = vn_close1(vp, fp->f_flag, fp->f_cred, td, ref); - if (fp->f_type == DTYPE_VNODE && fp->f_flag & FHASLOCK) { + if (__predict_false(ref)) { lf.l_whence = SEEK_SET; lf.l_start = 0; lf.l_len = 0; _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"