| devfs_vnops.c (130585) | devfs_vnops.c (130640) |
|---|---|
| 1/* 2 * Copyright (c) 1992, 1993 3 * The Regents of the University of California. All rights reserved. 4 * Copyright (c) 2000 5 * Poul-Henning Kamp. All rights reserved. 6 * 7 * This code is derived from software donated to Berkeley by 8 * Jan-Simon Pendry. --- 17 unchanged lines hidden (view full) --- 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)kernfs_vnops.c 8.15 (Berkeley) 5/21/95 32 * From: FreeBSD: src/sys/miscfs/kernfs/kernfs_vnops.c 1.43 33 * | 1/* 2 * Copyright (c) 1992, 1993 3 * The Regents of the University of California. All rights reserved. 4 * Copyright (c) 2000 5 * Poul-Henning Kamp. All rights reserved. 6 * 7 * This code is derived from software donated to Berkeley by 8 * Jan-Simon Pendry. --- 17 unchanged lines hidden (view full) --- 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)kernfs_vnops.c 8.15 (Berkeley) 5/21/95 32 * From: FreeBSD: src/sys/miscfs/kernfs/kernfs_vnops.c 1.43 33 * |
| 34 * $FreeBSD: head/sys/fs/devfs/devfs_vnops.c 130585 2004-06-16 09:47:26Z phk $ | 34 * $FreeBSD: head/sys/fs/devfs/devfs_vnops.c 130640 2004-06-17 17:16:53Z phk $ |
| 35 */ 36 37/* 38 * TODO: 39 * remove empty directories 40 * mknod: hunt down DE_DELETED, compare name, reinstantiate. 41 * mkdir: want it ? 42 */ --- 92 unchanged lines hidden (view full) --- 135 *vpp = vp; 136 return (0); 137 } 138 if (de->de_dirent->d_type == DT_CHR) { 139 dev = *devfs_itod(de->de_inode); 140 if (dev == NULL) 141 return (ENOENT); 142 } else { | 35 */ 36 37/* 38 * TODO: 39 * remove empty directories 40 * mknod: hunt down DE_DELETED, compare name, reinstantiate. 41 * mkdir: want it ? 42 */ --- 92 unchanged lines hidden (view full) --- 135 *vpp = vp; 136 return (0); 137 } 138 if (de->de_dirent->d_type == DT_CHR) { 139 dev = *devfs_itod(de->de_inode); 140 if (dev == NULL) 141 return (ENOENT); 142 } else { |
| 143 dev = NODEV; | 143 dev = NULL; |
| 144 } 145 error = getnewvnode("devfs", mp, devfs_vnodeop_p, &vp); 146 if (error != 0) { 147 printf("devfs_allocv: failed to allocate new vnode\n"); 148 return (error); 149 } 150 151 if (de->de_dirent->d_type == DT_CHR) { --- 225 unchanged lines hidden (view full) --- 377 /* 378 * OK, we didn't have an entry for the name we were asked for 379 * so we try to see if anybody can create it on demand. 380 */ 381 pname = devfs_fqpn(specname, dvp, cnp); 382 if (pname == NULL) 383 goto notfound; 384 | 144 } 145 error = getnewvnode("devfs", mp, devfs_vnodeop_p, &vp); 146 if (error != 0) { 147 printf("devfs_allocv: failed to allocate new vnode\n"); 148 return (error); 149 } 150 151 if (de->de_dirent->d_type == DT_CHR) { --- 225 unchanged lines hidden (view full) --- 377 /* 378 * OK, we didn't have an entry for the name we were asked for 379 * so we try to see if anybody can create it on demand. 380 */ 381 pname = devfs_fqpn(specname, dvp, cnp); 382 if (pname == NULL) 383 goto notfound; 384 |
| 385 cdev = NODEV; | 385 cdev = NULL; |
| 386 EVENTHANDLER_INVOKE(dev_clone, pname, strlen(pname), &cdev); | 386 EVENTHANDLER_INVOKE(dev_clone, pname, strlen(pname), &cdev); |
| 387 if (cdev == NODEV) | 387 if (cdev == NULL) |
| 388 goto notfound; 389 390 devfs_populate(dmp); 391 392 dde = devfs_itode(dmp, cdev->si_inode); 393 394 if (dde == NULL || *dde == NULL || *dde == DE_DELETED) 395 goto notfound; --- 259 unchanged lines hidden (view full) --- 655 struct vnode *vp = ap->a_vp; 656 struct devfs_dirent *de; 657 int i; 658 659 de = vp->v_data; 660 if (de != NULL) 661 de->de_vnode = NULL; 662 vp->v_data = NULL; | 388 goto notfound; 389 390 devfs_populate(dmp); 391 392 dde = devfs_itode(dmp, cdev->si_inode); 393 394 if (dde == NULL || *dde == NULL || *dde == DE_DELETED) 395 goto notfound; --- 259 unchanged lines hidden (view full) --- 655 struct vnode *vp = ap->a_vp; 656 struct devfs_dirent *de; 657 int i; 658 659 de = vp->v_data; 660 if (de != NULL) 661 de->de_vnode = NULL; 662 vp->v_data = NULL; |
| 663 if (vp->v_rdev != NODEV && vp->v_rdev != NULL) { | 663 if (vp->v_rdev != NULL && vp->v_rdev != NULL) { |
| 664 i = vcount(vp); 665 if ((vp->v_rdev->si_flags & SI_CHEAPCLONE) && i == 0 && 666 (vp->v_rdev->si_flags & SI_NAMED)) 667 destroy_dev(vp->v_rdev); 668 } 669 return (0); 670} 671 --- 249 unchanged lines hidden --- | 664 i = vcount(vp); 665 if ((vp->v_rdev->si_flags & SI_CHEAPCLONE) && i == 0 && 666 (vp->v_rdev->si_flags & SI_NAMED)) 667 destroy_dev(vp->v_rdev); 668 } 669 return (0); 670} 671 --- 249 unchanged lines hidden --- |