lfs_vnops.c revision 1.31.2.2
1 1.31.2.2 perseant /* $NetBSD: lfs_vnops.c,v 1.31.2.2 1999/11/06 20:33:07 perseant Exp $ */ 2 1.31.2.2 perseant 3 1.31.2.2 perseant /*- 4 1.31.2.2 perseant * Copyright (c) 1999 The NetBSD Foundation, Inc. 5 1.31.2.2 perseant * All rights reserved. 6 1.31.2.2 perseant * 7 1.31.2.2 perseant * This code is derived from software contributed to The NetBSD Foundation 8 1.31.2.2 perseant * by Konrad E. Schroder <perseant (at) hhhh.org>. 9 1.31.2.2 perseant * 10 1.31.2.2 perseant * Redistribution and use in source and binary forms, with or without 11 1.31.2.2 perseant * modification, are permitted provided that the following conditions 12 1.31.2.2 perseant * are met: 13 1.31.2.2 perseant * 1. Redistributions of source code must retain the above copyright 14 1.31.2.2 perseant * notice, this list of conditions and the following disclaimer. 15 1.31.2.2 perseant * 2. Redistributions in binary form must reproduce the above copyright 16 1.31.2.2 perseant * notice, this list of conditions and the following disclaimer in the 17 1.31.2.2 perseant * documentation and/or other materials provided with the distribution. 18 1.31.2.2 perseant * 3. All advertising materials mentioning features or use of this software 19 1.31.2.2 perseant * must display the following acknowledgement: 20 1.31.2.2 perseant * This product includes software developed by the NetBSD 21 1.31.2.2 perseant * Foundation, Inc. and its contributors. 22 1.31.2.2 perseant * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.31.2.2 perseant * contributors may be used to endorse or promote products derived 24 1.31.2.2 perseant * from this software without specific prior written permission. 25 1.31.2.2 perseant * 26 1.31.2.2 perseant * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.31.2.2 perseant * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.31.2.2 perseant * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.31.2.2 perseant * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.31.2.2 perseant * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.31.2.2 perseant * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.31.2.2 perseant * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.31.2.2 perseant * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.31.2.2 perseant * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.31.2.2 perseant * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.31.2.2 perseant * POSSIBILITY OF SUCH DAMAGE. 37 1.31.2.2 perseant */ 38 1.31.2.2 perseant /* 39 1.31.2.2 perseant * Copyright (c) 1986, 1989, 1991, 1993, 1995 40 1.31.2.2 perseant * The Regents of the University of California. All rights reserved. 41 1.31.2.2 perseant * 42 1.31.2.2 perseant * Redistribution and use in source and binary forms, with or without 43 1.31.2.2 perseant * modification, are permitted provided that the following conditions 44 1.31.2.2 perseant * are met: 45 1.31.2.2 perseant * 1. Redistributions of source code must retain the above copyright 46 1.31.2.2 perseant * notice, this list of conditions and the following disclaimer. 47 1.31.2.2 perseant * 2. Redistributions in binary form must reproduce the above copyright 48 1.31.2.2 perseant * notice, this list of conditions and the following disclaimer in the 49 1.31.2.2 perseant * documentation and/or other materials provided with the distribution. 50 1.31.2.2 perseant * 3. All advertising materials mentioning features or use of this software 51 1.31.2.2 perseant * must display the following acknowledgement: 52 1.31.2.2 perseant * This product includes software developed by the University of 53 1.31.2.2 perseant * California, Berkeley and its contributors. 54 1.31.2.2 perseant * 4. Neither the name of the University nor the names of its contributors 55 1.31.2.2 perseant * may be used to endorse or promote products derived from this software 56 1.31.2.2 perseant * without specific prior written permission. 57 1.31.2.2 perseant * 58 1.31.2.2 perseant * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 59 1.31.2.2 perseant * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 60 1.31.2.2 perseant * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 61 1.31.2.2 perseant * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 62 1.31.2.2 perseant * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 63 1.31.2.2 perseant * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 64 1.31.2.2 perseant * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 65 1.31.2.2 perseant * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 66 1.31.2.2 perseant * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 67 1.31.2.2 perseant * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 68 1.31.2.2 perseant * SUCH DAMAGE. 69 1.31.2.2 perseant * 70 1.31.2.2 perseant * @(#)lfs_vnops.c 8.13 (Berkeley) 6/10/95 71 1.31.2.2 perseant */ 72 1.31.2.2 perseant 73 1.31.2.2 perseant #include <sys/param.h> 74 1.31.2.2 perseant #include <sys/systm.h> 75 1.31.2.2 perseant #include <sys/namei.h> 76 1.31.2.2 perseant #include <sys/resourcevar.h> 77 1.31.2.2 perseant #include <sys/kernel.h> 78 1.31.2.2 perseant #include <sys/file.h> 79 1.31.2.2 perseant #include <sys/stat.h> 80 1.31.2.2 perseant #include <sys/buf.h> 81 1.31.2.2 perseant #include <sys/proc.h> 82 1.31.2.2 perseant #include <sys/conf.h> 83 1.31.2.2 perseant #include <sys/mount.h> 84 1.31.2.2 perseant #include <sys/vnode.h> 85 1.31.2.2 perseant #include <sys/malloc.h> 86 1.31.2.2 perseant #include <sys/pool.h> 87 1.31.2.2 perseant #include <sys/signalvar.h> 88 1.31.2.2 perseant 89 1.31.2.2 perseant #include <vm/vm.h> 90 1.31.2.2 perseant 91 1.31.2.2 perseant #include <miscfs/fifofs/fifo.h> 92 1.31.2.2 perseant #include <miscfs/genfs/genfs.h> 93 1.31.2.2 perseant #include <miscfs/specfs/specdev.h> 94 1.31.2.2 perseant 95 1.31.2.2 perseant #include <ufs/ufs/quota.h> 96 1.31.2.2 perseant #include <ufs/ufs/inode.h> 97 1.31.2.2 perseant #include <ufs/ufs/dir.h> 98 1.31.2.2 perseant #include <ufs/ufs/ufsmount.h> 99 1.31.2.2 perseant #include <ufs/ufs/ufs_extern.h> 100 1.31.2.2 perseant 101 1.31.2.2 perseant #include <ufs/lfs/lfs.h> 102 1.31.2.2 perseant #include <ufs/lfs/lfs_extern.h> 103 1.31.2.2 perseant 104 1.31.2.2 perseant /* Global vfs data structures for lfs. */ 105 1.31.2.2 perseant int (**lfs_vnodeop_p) __P((void *)); 106 1.31.2.2 perseant struct vnodeopv_entry_desc lfs_vnodeop_entries[] = { 107 1.31.2.2 perseant { &vop_default_desc, vn_default_error }, 108 1.31.2.2 perseant { &vop_lookup_desc, ufs_lookup }, /* lookup */ 109 1.31.2.2 perseant { &vop_create_desc, lfs_create }, /* create */ 110 1.31.2.2 perseant { &vop_whiteout_desc, lfs_whiteout }, /* whiteout */ 111 1.31.2.2 perseant { &vop_mknod_desc, lfs_mknod }, /* mknod */ 112 1.31.2.2 perseant { &vop_open_desc, ufs_open }, /* open */ 113 1.31.2.2 perseant { &vop_close_desc, lfs_close }, /* close */ 114 1.31.2.2 perseant { &vop_access_desc, ufs_access }, /* access */ 115 1.31.2.2 perseant { &vop_getattr_desc, lfs_getattr }, /* getattr */ 116 1.31.2.2 perseant { &vop_setattr_desc, ufs_setattr }, /* setattr */ 117 1.31.2.2 perseant { &vop_read_desc, lfs_read }, /* read */ 118 1.31.2.2 perseant { &vop_write_desc, lfs_write }, /* write */ 119 1.31.2.2 perseant { &vop_lease_desc, ufs_lease_check }, /* lease */ 120 1.31.2.2 perseant { &vop_ioctl_desc, ufs_ioctl }, /* ioctl */ 121 1.31.2.2 perseant { &vop_fcntl_desc, ufs_fcntl }, /* fcntl */ 122 1.31.2.2 perseant { &vop_poll_desc, ufs_poll }, /* poll */ 123 1.31.2.2 perseant { &vop_revoke_desc, ufs_revoke }, /* revoke */ 124 1.31.2.2 perseant { &vop_mmap_desc, ufs_mmap }, /* mmap */ 125 1.31.2.2 perseant { &vop_fsync_desc, lfs_fsync }, /* fsync */ 126 1.31.2.2 perseant { &vop_seek_desc, ufs_seek }, /* seek */ 127 1.31.2.2 perseant { &vop_remove_desc, lfs_remove }, /* remove */ 128 1.31.2.2 perseant { &vop_link_desc, lfs_link }, /* link */ 129 1.31.2.2 perseant { &vop_rename_desc, lfs_rename }, /* rename */ 130 1.31.2.2 perseant { &vop_mkdir_desc, lfs_mkdir }, /* mkdir */ 131 1.31.2.2 perseant { &vop_rmdir_desc, lfs_rmdir }, /* rmdir */ 132 1.31.2.2 perseant { &vop_symlink_desc, lfs_symlink }, /* symlink */ 133 1.31.2.2 perseant { &vop_readdir_desc, ufs_readdir }, /* readdir */ 134 1.31.2.2 perseant { &vop_readlink_desc, ufs_readlink }, /* readlink */ 135 1.31.2.2 perseant { &vop_abortop_desc, ufs_abortop }, /* abortop */ 136 1.31.2.2 perseant { &vop_inactive_desc, ufs_inactive }, /* inactive */ 137 1.31.2.2 perseant { &vop_reclaim_desc, lfs_reclaim }, /* reclaim */ 138 1.31.2.2 perseant { &vop_lock_desc, ufs_lock }, /* lock */ 139 1.31.2.2 perseant { &vop_unlock_desc, ufs_unlock }, /* unlock */ 140 1.31.2.2 perseant { &vop_bmap_desc, ufs_bmap }, /* bmap */ 141 1.31.2.2 perseant { &vop_strategy_desc, ufs_strategy }, /* strategy */ 142 1.31.2.2 perseant { &vop_print_desc, ufs_print }, /* print */ 143 1.31.2.2 perseant { &vop_islocked_desc, ufs_islocked }, /* islocked */ 144 1.31.2.2 perseant { &vop_pathconf_desc, ufs_pathconf }, /* pathconf */ 145 1.31.2.2 perseant { &vop_advlock_desc, ufs_advlock }, /* advlock */ 146 1.31.2.2 perseant { &vop_blkatoff_desc, lfs_blkatoff }, /* blkatoff */ 147 1.31.2.2 perseant { &vop_valloc_desc, lfs_valloc }, /* valloc */ 148 1.31.2.2 perseant { &vop_vfree_desc, lfs_vfree }, /* vfree */ 149 1.31.2.2 perseant { &vop_truncate_desc, lfs_truncate }, /* truncate */ 150 1.31.2.2 perseant { &vop_update_desc, lfs_update }, /* update */ 151 1.31.2.2 perseant { &vop_bwrite_desc, lfs_bwrite }, /* bwrite */ 152 1.31.2.2 perseant { (struct vnodeop_desc*)NULL, (int(*) __P((void *)))NULL } 153 1.31.2.2 perseant }; 154 1.31.2.2 perseant struct vnodeopv_desc lfs_vnodeop_opv_desc = 155 1.31.2.2 perseant { &lfs_vnodeop_p, lfs_vnodeop_entries }; 156 1.31.2.2 perseant 157 1.31.2.2 perseant int (**lfs_specop_p) __P((void *)); 158 1.31.2.2 perseant struct vnodeopv_entry_desc lfs_specop_entries[] = { 159 1.31.2.2 perseant { &vop_default_desc, vn_default_error }, 160 1.31.2.2 perseant { &vop_lookup_desc, spec_lookup }, /* lookup */ 161 1.31.2.2 perseant { &vop_create_desc, spec_create }, /* create */ 162 1.31.2.2 perseant { &vop_mknod_desc, spec_mknod }, /* mknod */ 163 1.31.2.2 perseant { &vop_open_desc, spec_open }, /* open */ 164 1.31.2.2 perseant { &vop_close_desc, ufsspec_close }, /* close */ 165 1.31.2.2 perseant { &vop_access_desc, ufs_access }, /* access */ 166 1.31.2.2 perseant { &vop_getattr_desc, lfs_getattr }, /* getattr */ 167 1.31.2.2 perseant { &vop_setattr_desc, ufs_setattr }, /* setattr */ 168 1.31.2.2 perseant { &vop_read_desc, ufsspec_read }, /* read */ 169 1.31.2.2 perseant { &vop_write_desc, ufsspec_write }, /* write */ 170 1.31.2.2 perseant { &vop_lease_desc, spec_lease_check }, /* lease */ 171 1.31.2.2 perseant { &vop_ioctl_desc, spec_ioctl }, /* ioctl */ 172 1.31.2.2 perseant { &vop_fcntl_desc, ufs_fcntl }, /* fcntl */ 173 1.31.2.2 perseant { &vop_poll_desc, spec_poll }, /* poll */ 174 1.31.2.2 perseant { &vop_revoke_desc, spec_revoke }, /* revoke */ 175 1.31.2.2 perseant { &vop_mmap_desc, spec_mmap }, /* mmap */ 176 1.31.2.2 perseant { &vop_fsync_desc, spec_fsync }, /* fsync */ 177 1.31.2.2 perseant { &vop_seek_desc, spec_seek }, /* seek */ 178 1.31.2.2 perseant { &vop_remove_desc, spec_remove }, /* remove */ 179 1.31.2.2 perseant { &vop_link_desc, spec_link }, /* link */ 180 1.31.2.2 perseant { &vop_rename_desc, spec_rename }, /* rename */ 181 1.31.2.2 perseant { &vop_mkdir_desc, spec_mkdir }, /* mkdir */ 182 1.31.2.2 perseant { &vop_rmdir_desc, spec_rmdir }, /* rmdir */ 183 1.31.2.2 perseant { &vop_symlink_desc, spec_symlink }, /* symlink */ 184 1.31.2.2 perseant { &vop_readdir_desc, spec_readdir }, /* readdir */ 185 1.31.2.2 perseant { &vop_readlink_desc, spec_readlink }, /* readlink */ 186 1.31.2.2 perseant { &vop_abortop_desc, spec_abortop }, /* abortop */ 187 1.31.2.2 perseant { &vop_inactive_desc, ufs_inactive }, /* inactive */ 188 1.31.2.2 perseant { &vop_reclaim_desc, lfs_reclaim }, /* reclaim */ 189 1.31.2.2 perseant { &vop_lock_desc, ufs_lock }, /* lock */ 190 1.31.2.2 perseant { &vop_unlock_desc, ufs_unlock }, /* unlock */ 191 1.31.2.2 perseant { &vop_bmap_desc, spec_bmap }, /* bmap */ 192 1.31.2.2 perseant { &vop_strategy_desc, spec_strategy }, /* strategy */ 193 1.31.2.2 perseant { &vop_print_desc, ufs_print }, /* print */ 194 1.31.2.2 perseant { &vop_islocked_desc, ufs_islocked }, /* islocked */ 195 1.31.2.2 perseant { &vop_pathconf_desc, spec_pathconf }, /* pathconf */ 196 1.31.2.2 perseant { &vop_advlock_desc, spec_advlock }, /* advlock */ 197 1.31.2.2 perseant { &vop_blkatoff_desc, spec_blkatoff }, /* blkatoff */ 198 1.31.2.2 perseant { &vop_valloc_desc, spec_valloc }, /* valloc */ 199 1.31.2.2 perseant { &vop_vfree_desc, lfs_vfree }, /* vfree */ 200 1.31.2.2 perseant { &vop_truncate_desc, spec_truncate }, /* truncate */ 201 1.31.2.2 perseant { &vop_update_desc, lfs_update }, /* update */ 202 1.31.2.2 perseant { &vop_bwrite_desc, vn_bwrite }, /* bwrite */ 203 1.31.2.2 perseant { (struct vnodeop_desc*)NULL, (int(*) __P((void *)))NULL } 204 1.31.2.2 perseant }; 205 1.31.2.2 perseant struct vnodeopv_desc lfs_specop_opv_desc = 206 1.31.2.2 perseant { &lfs_specop_p, lfs_specop_entries }; 207 1.31.2.2 perseant 208 1.31.2.2 perseant int (**lfs_fifoop_p) __P((void *)); 209 1.31.2.2 perseant struct vnodeopv_entry_desc lfs_fifoop_entries[] = { 210 1.31.2.2 perseant { &vop_default_desc, vn_default_error }, 211 1.31.2.2 perseant { &vop_lookup_desc, fifo_lookup }, /* lookup */ 212 1.31.2.2 perseant { &vop_create_desc, fifo_create }, /* create */ 213 1.31.2.2 perseant { &vop_mknod_desc, fifo_mknod }, /* mknod */ 214 1.31.2.2 perseant { &vop_open_desc, fifo_open }, /* open */ 215 1.31.2.2 perseant { &vop_close_desc, ufsfifo_close }, /* close */ 216 1.31.2.2 perseant { &vop_access_desc, ufs_access }, /* access */ 217 1.31.2.2 perseant { &vop_getattr_desc, lfs_getattr }, /* getattr */ 218 1.31.2.2 perseant { &vop_setattr_desc, ufs_setattr }, /* setattr */ 219 1.31.2.2 perseant { &vop_read_desc, ufsfifo_read }, /* read */ 220 1.31.2.2 perseant { &vop_write_desc, ufsfifo_write }, /* write */ 221 1.31.2.2 perseant { &vop_lease_desc, fifo_lease_check }, /* lease */ 222 1.31.2.2 perseant { &vop_ioctl_desc, fifo_ioctl }, /* ioctl */ 223 1.31.2.2 perseant { &vop_fcntl_desc, ufs_fcntl }, /* fcntl */ 224 1.31.2.2 perseant { &vop_poll_desc, fifo_poll }, /* poll */ 225 1.31.2.2 perseant { &vop_revoke_desc, fifo_revoke }, /* revoke */ 226 1.31.2.2 perseant { &vop_mmap_desc, fifo_mmap }, /* mmap */ 227 1.31.2.2 perseant { &vop_fsync_desc, fifo_fsync }, /* fsync */ 228 1.31.2.2 perseant { &vop_seek_desc, fifo_seek }, /* seek */ 229 1.31.2.2 perseant { &vop_remove_desc, fifo_remove }, /* remove */ 230 1.31.2.2 perseant { &vop_link_desc, fifo_link }, /* link */ 231 1.31.2.2 perseant { &vop_rename_desc, fifo_rename }, /* rename */ 232 1.31.2.2 perseant { &vop_mkdir_desc, fifo_mkdir }, /* mkdir */ 233 1.31.2.2 perseant { &vop_rmdir_desc, fifo_rmdir }, /* rmdir */ 234 1.31.2.2 perseant { &vop_symlink_desc, fifo_symlink }, /* symlink */ 235 1.31.2.2 perseant { &vop_readdir_desc, fifo_readdir }, /* readdir */ 236 1.31.2.2 perseant { &vop_readlink_desc, fifo_readlink }, /* readlink */ 237 1.31.2.2 perseant { &vop_abortop_desc, fifo_abortop }, /* abortop */ 238 1.31.2.2 perseant { &vop_inactive_desc, ufs_inactive }, /* inactive */ 239 1.31.2.2 perseant { &vop_reclaim_desc, lfs_reclaim }, /* reclaim */ 240 1.31.2.2 perseant { &vop_lock_desc, ufs_lock }, /* lock */ 241 1.31.2.2 perseant { &vop_unlock_desc, ufs_unlock }, /* unlock */ 242 1.31.2.2 perseant { &vop_bmap_desc, fifo_bmap }, /* bmap */ 243 1.31.2.2 perseant { &vop_strategy_desc, fifo_strategy }, /* strategy */ 244 1.31.2.2 perseant { &vop_print_desc, ufs_print }, /* print */ 245 1.31.2.2 perseant { &vop_islocked_desc, ufs_islocked }, /* islocked */ 246 1.31.2.2 perseant { &vop_pathconf_desc, fifo_pathconf }, /* pathconf */ 247 1.31.2.2 perseant { &vop_advlock_desc, fifo_advlock }, /* advlock */ 248 1.31.2.2 perseant { &vop_blkatoff_desc, fifo_blkatoff }, /* blkatoff */ 249 1.31.2.2 perseant { &vop_valloc_desc, fifo_valloc }, /* valloc */ 250 1.31.2.2 perseant { &vop_vfree_desc, lfs_vfree }, /* vfree */ 251 1.31.2.2 perseant { &vop_truncate_desc, fifo_truncate }, /* truncate */ 252 1.31.2.2 perseant { &vop_update_desc, lfs_update }, /* update */ 253 1.31.2.2 perseant { &vop_bwrite_desc, lfs_bwrite }, /* bwrite */ 254 1.31.2.2 perseant { (struct vnodeop_desc*)NULL, (int(*) __P((void *)))NULL } 255 1.31.2.2 perseant }; 256 1.31.2.2 perseant struct vnodeopv_desc lfs_fifoop_opv_desc = 257 1.31.2.2 perseant { &lfs_fifoop_p, lfs_fifoop_entries }; 258 1.31.2.2 perseant 259 1.31.2.2 perseant #define LFS_READWRITE 260 1.31.2.2 perseant #include <ufs/ufs/ufs_readwrite.c> 261 1.31.2.2 perseant #undef LFS_READWRITE 262 1.31.2.2 perseant 263 1.31.2.2 perseant /* 264 1.31.2.2 perseant * Synch an open file. 265 1.31.2.2 perseant */ 266 1.31.2.2 perseant /* ARGSUSED */ 267 1.31.2.2 perseant int 268 1.31.2.2 perseant lfs_fsync(v) 269 1.31.2.2 perseant void *v; 270 1.31.2.2 perseant { 271 1.31.2.2 perseant struct vop_fsync_args /* { 272 1.31.2.2 perseant struct vnode *a_vp; 273 1.31.2.2 perseant struct ucred *a_cred; 274 1.31.2.2 perseant int a_flags; 275 1.31.2.2 perseant struct proc *a_p; 276 1.31.2.2 perseant } */ *ap = v; 277 1.31.2.2 perseant 278 1.31.2.2 perseant return (VOP_UPDATE(ap->a_vp, NULL, NULL, 279 1.31.2.2 perseant (ap->a_flags & FSYNC_WAIT) != 0 ? LFS_SYNC : 0)); /* XXX */ 280 1.31.2.2 perseant } 281 1.31.2.2 perseant 282 1.31.2.2 perseant /* 283 1.31.2.2 perseant * These macros are used to bracket UFS directory ops, so that we can 284 1.31.2.2 perseant * identify all the pages touched during directory ops which need to 285 1.31.2.2 perseant * be ordered and flushed atomically, so that they may be recovered. 286 1.31.2.2 perseant */ 287 1.31.2.2 perseant /* 288 1.31.2.2 perseant * XXX KS - Because we have to mark nodes VDIROP in order to prevent 289 1.31.2.2 perseant * the cache from reclaiming them while a dirop is in progress, we must 290 1.31.2.2 perseant * also manage the number of nodes so marked (otherwise we can run out). 291 1.31.2.2 perseant * We do this by setting lfs_dirvcount to the number of marked vnodes; it 292 1.31.2.2 perseant * is decremented during segment write, when VDIROP is taken off. 293 1.31.2.2 perseant */ 294 1.31.2.2 perseant #define SET_DIROP(fs) lfs_set_dirop(fs) 295 1.31.2.2 perseant static int lfs_set_dirop __P((struct lfs *)); 296 1.31.2.2 perseant extern int lfs_dirvcount; 297 1.31.2.2 perseant 298 1.31.2.2 perseant static int lfs_set_dirop(fs) 299 1.31.2.2 perseant struct lfs *fs; 300 1.31.2.2 perseant { 301 1.31.2.2 perseant int error; 302 1.31.2.2 perseant 303 1.31.2.2 perseant while (fs->lfs_writer || lfs_dirvcount>LFS_MAXDIROP) { 304 1.31.2.2 perseant if(fs->lfs_writer) 305 1.31.2.2 perseant tsleep(&fs->lfs_dirops, PRIBIO + 1, "lfs_dirop", 0); 306 1.31.2.2 perseant if(lfs_dirvcount > LFS_MAXDIROP) { 307 1.31.2.2 perseant #ifdef DEBUG_LFS 308 1.31.2.2 perseant printf("(dirvcount=%d)\n",lfs_dirvcount); 309 1.31.2.2 perseant #endif 310 1.31.2.2 perseant if((error=tsleep(&lfs_dirvcount, PCATCH|PUSER, "lfs_maxdirop", 0))!=0) 311 1.31.2.2 perseant return error; 312 1.31.2.2 perseant } 313 1.31.2.2 perseant } 314 1.31.2.2 perseant ++fs->lfs_dirops; 315 1.31.2.2 perseant fs->lfs_doifile = 1; 316 1.31.2.2 perseant 317 1.31.2.2 perseant return 0; 318 1.31.2.2 perseant } 319 1.31.2.2 perseant 320 1.31.2.2 perseant #define SET_ENDOP(fs,vp,str) { \ 321 1.31.2.2 perseant --(fs)->lfs_dirops; \ 322 1.31.2.2 perseant if (!(fs)->lfs_dirops) { \ 323 1.31.2.2 perseant wakeup(&(fs)->lfs_writer); \ 324 1.31.2.2 perseant lfs_check((vp),LFS_UNUSED_LBN,0); \ 325 1.31.2.2 perseant } \ 326 1.31.2.2 perseant } 327 1.31.2.2 perseant 328 1.31.2.2 perseant #define MARK_VNODE(dvp) do { \ 329 1.31.2.2 perseant if(!((dvp)->v_flag & VDIROP)) { \ 330 1.31.2.2 perseant lfs_vref(dvp); \ 331 1.31.2.2 perseant ++lfs_dirvcount; \ 332 1.31.2.2 perseant } \ 333 1.31.2.2 perseant (dvp)->v_flag |= VDIROP; \ 334 1.31.2.2 perseant } while(0) 335 1.31.2.2 perseant 336 1.31.2.2 perseant #define MAYBE_INACTIVE(fs,vp) do { \ 337 1.31.2.2 perseant if((vp) && ((vp)->v_flag & VDIROP) && (vp)->v_usecount == 1 \ 338 1.31.2.2 perseant && VTOI(vp) && VTOI(vp)->i_ffs_nlink == 0) \ 339 1.31.2.2 perseant { \ 340 1.31.2.2 perseant if (VOP_LOCK((vp), LK_EXCLUSIVE) == 0) { \ 341 1.31.2.2 perseant VOP_INACTIVE((vp),curproc); \ 342 1.31.2.2 perseant } \ 343 1.31.2.2 perseant } \ 344 1.31.2.2 perseant } while(0) 345 1.31.2.2 perseant 346 1.31.2.2 perseant int 347 1.31.2.2 perseant lfs_symlink(v) 348 1.31.2.2 perseant void *v; 349 1.31.2.2 perseant { 350 1.31.2.2 perseant struct vop_symlink_args /* { 351 1.31.2.2 perseant struct vnode *a_dvp; 352 1.31.2.2 perseant struct vnode **a_vpp; 353 1.31.2.2 perseant struct componentname *a_cnp; 354 1.31.2.2 perseant struct vattr *a_vap; 355 1.31.2.2 perseant char *a_target; 356 1.31.2.2 perseant } */ *ap = v; 357 1.31.2.2 perseant int ret; 358 1.31.2.2 perseant 359 1.31.2.2 perseant if((ret=SET_DIROP(VTOI(ap->a_dvp)->i_lfs))!=0) 360 1.31.2.2 perseant return ret; 361 1.31.2.2 perseant MARK_VNODE(ap->a_dvp); 362 1.31.2.2 perseant ret = ufs_symlink(ap); 363 1.31.2.2 perseant MAYBE_INACTIVE(VTOI(ap->a_dvp)->i_lfs,*(ap->a_vpp)); /* XXX KS */ 364 1.31.2.2 perseant SET_ENDOP(VTOI(ap->a_dvp)->i_lfs,ap->a_dvp,"symilnk"); 365 1.31.2.2 perseant return (ret); 366 1.31.2.2 perseant } 367 1.31.2.2 perseant 368 1.31.2.2 perseant int 369 1.31.2.2 perseant lfs_mknod(v) 370 1.31.2.2 perseant void *v; 371 1.31.2.2 perseant { 372 1.31.2.2 perseant struct vop_mknod_args /* { 373 1.31.2.2 perseant struct vnode *a_dvp; 374 1.31.2.2 perseant struct vnode **a_vpp; 375 1.31.2.2 perseant struct componentname *a_cnp; 376 1.31.2.2 perseant struct vattr *a_vap; 377 1.31.2.2 perseant } */ *ap = v; 378 1.31.2.2 perseant struct vattr *vap = ap->a_vap; 379 1.31.2.2 perseant struct vnode **vpp = ap->a_vpp; 380 1.31.2.2 perseant struct inode *ip; 381 1.31.2.2 perseant int error; 382 1.31.2.2 perseant 383 1.31.2.2 perseant if((error=SET_DIROP(VTOI(ap->a_dvp)->i_lfs))!=0) 384 1.31.2.2 perseant return error; 385 1.31.2.2 perseant MARK_VNODE(ap->a_dvp); 386 1.31.2.2 perseant error = ufs_makeinode(MAKEIMODE(vap->va_type, vap->va_mode), 387 1.31.2.2 perseant ap->a_dvp, vpp, ap->a_cnp); 388 1.31.2.2 perseant 389 1.31.2.2 perseant /* Either way we're done with the dirop at this point */ 390 1.31.2.2 perseant SET_ENDOP(VTOI(ap->a_dvp)->i_lfs,ap->a_dvp,"mknod"); 391 1.31.2.2 perseant 392 1.31.2.2 perseant if (error) 393 1.31.2.2 perseant return (error); 394 1.31.2.2 perseant 395 1.31.2.2 perseant ip = VTOI(*vpp); 396 1.31.2.2 perseant ip->i_flag |= IN_ACCESS | IN_CHANGE | IN_UPDATE; 397 1.31.2.2 perseant if (vap->va_rdev != VNOVAL) { 398 1.31.2.2 perseant /* 399 1.31.2.2 perseant * Want to be able to use this to make badblock 400 1.31.2.2 perseant * inodes, so don't truncate the dev number. 401 1.31.2.2 perseant */ 402 1.31.2.2 perseant #if 0 403 1.31.2.2 perseant ip->i_ffs_rdev = ufs_rw32(vap->va_rdev, 404 1.31.2.2 perseant UFS_MPNEEDSWAP((*vpp)->v_mount)); 405 1.31.2.2 perseant #else 406 1.31.2.2 perseant ip->i_ffs_rdev = vap->va_rdev; 407 1.31.2.2 perseant #endif 408 1.31.2.2 perseant } 409 1.31.2.2 perseant /* 410 1.31.2.2 perseant * Call fsync to write the vnode so that we don't have to deal with 411 1.31.2.2 perseant * flushing it when it's marked VDIROP|VXLOCK. 412 1.31.2.2 perseant * 413 1.31.2.2 perseant * XXX KS - If we can't flush we also can't call vgone(), so must 414 1.31.2.2 perseant * return. But, that leaves this vnode in limbo, also not good. 415 1.31.2.2 perseant * Can this ever happen (barring hardware failure)? 416 1.31.2.2 perseant */ 417 1.31.2.2 perseant if ((error = VOP_FSYNC(*vpp, NOCRED, FSYNC_WAIT, curproc)) != 0) 418 1.31.2.2 perseant return (error); 419 1.31.2.2 perseant /* 420 1.31.2.2 perseant * Remove inode so that it will be reloaded by VFS_VGET and 421 1.31.2.2 perseant * checked to see if it is an alias of an existing entry in 422 1.31.2.2 perseant * the inode cache. 423 1.31.2.2 perseant */ 424 1.31.2.2 perseant /* Used to be vput, but that causes us to call VOP_INACTIVE twice. */ 425 1.31.2.2 perseant VOP_UNLOCK(*vpp,0); 426 1.31.2.2 perseant lfs_vunref(*vpp); 427 1.31.2.2 perseant (*vpp)->v_type = VNON; 428 1.31.2.2 perseant vgone(*vpp); 429 1.31.2.2 perseant *vpp = 0; 430 1.31.2.2 perseant return (0); 431 1.31.2.2 perseant } 432 1.31.2.2 perseant 433 1.31.2.2 perseant int 434 1.31.2.2 perseant lfs_create(v) 435 1.31.2.2 perseant void *v; 436 1.31.2.2 perseant { 437 1.31.2.2 perseant struct vop_create_args /* { 438 1.31.2.2 perseant struct vnode *a_dvp; 439 1.31.2.2 perseant struct vnode **a_vpp; 440 1.31.2.2 perseant struct componentname *a_cnp; 441 1.31.2.2 perseant struct vattr *a_vap; 442 1.31.2.2 perseant } */ *ap = v; 443 1.31.2.2 perseant int ret; 444 1.31.2.2 perseant 445 1.31.2.2 perseant if((ret=SET_DIROP(VTOI(ap->a_dvp)->i_lfs))!=0) 446 1.31.2.2 perseant return ret; 447 1.31.2.2 perseant MARK_VNODE(ap->a_dvp); 448 1.31.2.2 perseant ret = ufs_create(ap); 449 1.31.2.2 perseant MAYBE_INACTIVE(VTOI(ap->a_dvp)->i_lfs,*(ap->a_vpp)); /* XXX KS */ 450 1.31.2.2 perseant SET_ENDOP(VTOI(ap->a_dvp)->i_lfs,ap->a_dvp,"create"); 451 1.31.2.2 perseant return (ret); 452 1.31.2.2 perseant } 453 1.31.2.2 perseant 454 1.31.2.2 perseant int 455 1.31.2.2 perseant lfs_whiteout(v) 456 1.31.2.2 perseant void *v; 457 1.31.2.2 perseant { 458 1.31.2.2 perseant struct vop_whiteout_args /* { 459 1.31.2.2 perseant struct vnode *a_dvp; 460 1.31.2.2 perseant struct componentname *a_cnp; 461 1.31.2.2 perseant int a_flags; 462 1.31.2.2 perseant } */ *ap = v; 463 1.31.2.2 perseant int ret; 464 1.31.2.2 perseant 465 1.31.2.2 perseant if((ret=SET_DIROP(VTOI(ap->a_dvp)->i_lfs))!=0) 466 1.31.2.2 perseant return ret; 467 1.31.2.2 perseant MARK_VNODE(ap->a_dvp); 468 1.31.2.2 perseant ret = ufs_whiteout(ap); 469 1.31.2.2 perseant SET_ENDOP(VTOI(ap->a_dvp)->i_lfs,ap->a_dvp,"whiteout"); 470 1.31.2.2 perseant return (ret); 471 1.31.2.2 perseant } 472 1.31.2.2 perseant 473 1.31.2.2 perseant int 474 1.31.2.2 perseant lfs_mkdir(v) 475 1.31.2.2 perseant void *v; 476 1.31.2.2 perseant { 477 1.31.2.2 perseant struct vop_mkdir_args /* { 478 1.31.2.2 perseant struct vnode *a_dvp; 479 1.31.2.2 perseant struct vnode **a_vpp; 480 1.31.2.2 perseant struct componentname *a_cnp; 481 1.31.2.2 perseant struct vattr *a_vap; 482 1.31.2.2 perseant } */ *ap = v; 483 1.31.2.2 perseant int ret; 484 1.31.2.2 perseant 485 1.31.2.2 perseant if((ret=SET_DIROP(VTOI(ap->a_dvp)->i_lfs))!=0) 486 1.31.2.2 perseant return ret; 487 1.31.2.2 perseant MARK_VNODE(ap->a_dvp); 488 1.31.2.2 perseant ret = ufs_mkdir(ap); 489 1.31.2.2 perseant MAYBE_INACTIVE(VTOI(ap->a_dvp)->i_lfs,*(ap->a_vpp)); /* XXX KS */ 490 1.31.2.2 perseant SET_ENDOP(VTOI(ap->a_dvp)->i_lfs,ap->a_dvp,"mkdir"); 491 1.31.2.2 perseant return (ret); 492 1.31.2.2 perseant } 493 1.31.2.2 perseant 494 1.31.2.2 perseant int 495 1.31.2.2 perseant lfs_remove(v) 496 1.31.2.2 perseant void *v; 497 1.31.2.2 perseant { 498 1.31.2.2 perseant struct vop_remove_args /* { 499 1.31.2.2 perseant struct vnode *a_dvp; 500 1.31.2.2 perseant struct vnode *a_vp; 501 1.31.2.2 perseant struct componentname *a_cnp; 502 1.31.2.2 perseant } */ *ap = v; 503 1.31.2.2 perseant int ret; 504 1.31.2.2 perseant if((ret=SET_DIROP(VTOI(ap->a_dvp)->i_lfs))!=0) 505 1.31.2.2 perseant return ret; 506 1.31.2.2 perseant MARK_VNODE(ap->a_dvp); 507 1.31.2.2 perseant MARK_VNODE(ap->a_vp); 508 1.31.2.2 perseant ret = ufs_remove(ap); 509 1.31.2.2 perseant MAYBE_INACTIVE(VTOI(ap->a_dvp)->i_lfs,ap->a_vp); 510 1.31.2.2 perseant SET_ENDOP(VTOI(ap->a_dvp)->i_lfs,ap->a_dvp,"remove"); 511 1.31.2.2 perseant return (ret); 512 1.31.2.2 perseant } 513 1.31.2.2 perseant 514 1.31.2.2 perseant int 515 1.31.2.2 perseant lfs_rmdir(v) 516 1.31.2.2 perseant void *v; 517 1.31.2.2 perseant { 518 1.31.2.2 perseant struct vop_rmdir_args /* { 519 1.31.2.2 perseant struct vnodeop_desc *a_desc; 520 1.31.2.2 perseant struct vnode *a_dvp; 521 1.31.2.2 perseant struct vnode *a_vp; 522 1.31.2.2 perseant struct componentname *a_cnp; 523 1.31.2.2 perseant } */ *ap = v; 524 1.31.2.2 perseant int ret; 525 1.31.2.2 perseant 526 1.31.2.2 perseant if((ret=SET_DIROP(VTOI(ap->a_dvp)->i_lfs))!=0) 527 1.31.2.2 perseant return ret; 528 1.31.2.2 perseant MARK_VNODE(ap->a_dvp); 529 1.31.2.2 perseant MARK_VNODE(ap->a_vp); 530 1.31.2.2 perseant ret = ufs_rmdir(ap); 531 1.31.2.2 perseant MAYBE_INACTIVE(VTOI(ap->a_dvp)->i_lfs,ap->a_vp); 532 1.31.2.2 perseant SET_ENDOP(VTOI(ap->a_dvp)->i_lfs,ap->a_dvp,"rmdir"); 533 1.31.2.2 perseant return (ret); 534 1.31.2.2 perseant } 535 1.31.2.2 perseant 536 1.31.2.2 perseant int 537 1.31.2.2 perseant lfs_link(v) 538 1.31.2.2 perseant void *v; 539 1.31.2.2 perseant { 540 1.31.2.2 perseant struct vop_link_args /* { 541 1.31.2.2 perseant struct vnode *a_dvp; 542 1.31.2.2 perseant struct vnode *a_vp; 543 1.31.2.2 perseant struct componentname *a_cnp; 544 1.31.2.2 perseant } */ *ap = v; 545 1.31.2.2 perseant int ret; 546 1.31.2.2 perseant 547 1.31.2.2 perseant if((ret=SET_DIROP(VTOI(ap->a_dvp)->i_lfs))!=0) 548 1.31.2.2 perseant return ret; 549 1.31.2.2 perseant MARK_VNODE(ap->a_dvp); 550 1.31.2.2 perseant ret = ufs_link(ap); 551 1.31.2.2 perseant SET_ENDOP(VTOI(ap->a_dvp)->i_lfs,ap->a_dvp,"link"); 552 1.31.2.2 perseant return (ret); 553 1.31.2.2 perseant } 554 1.31.2.2 perseant 555 1.31.2.2 perseant int 556 1.31.2.2 perseant lfs_rename(v) 557 1.31.2.2 perseant void *v; 558 1.31.2.2 perseant { 559 1.31.2.2 perseant struct vop_rename_args /* { 560 1.31.2.2 perseant struct vnode *a_fdvp; 561 1.31.2.2 perseant struct vnode *a_fvp; 562 1.31.2.2 perseant struct componentname *a_fcnp; 563 1.31.2.2 perseant struct vnode *a_tdvp; 564 1.31.2.2 perseant struct vnode *a_tvp; 565 1.31.2.2 perseant struct componentname *a_tcnp; 566 1.31.2.2 perseant } */ *ap = v; 567 1.31.2.2 perseant struct vnode *tvp, *fvp, *tdvp, *fdvp; 568 1.31.2.2 perseant int error; 569 1.31.2.2 perseant struct lfs *fs; 570 1.31.2.2 perseant 571 1.31.2.2 perseant fs = VTOI(ap->a_fdvp)->i_lfs; 572 1.31.2.2 perseant tvp = ap->a_tvp; 573 1.31.2.2 perseant tdvp = ap->a_tdvp; 574 1.31.2.2 perseant fvp = ap->a_fvp; 575 1.31.2.2 perseant fdvp = ap->a_fdvp; 576 1.31.2.2 perseant 577 1.31.2.2 perseant /* 578 1.31.2.2 perseant * Check for cross-device rename. 579 1.31.2.2 perseant * If it is, we don't want to set dirops, just error out. 580 1.31.2.2 perseant * (In particular note that MARK_VNODE(tdvp) will DTWT on 581 1.31.2.2 perseant * a cross-device rename.) 582 1.31.2.2 perseant * 583 1.31.2.2 perseant * Copied from ufs_rename. 584 1.31.2.2 perseant */ 585 1.31.2.2 perseant if ((fvp->v_mount != tdvp->v_mount) || 586 1.31.2.2 perseant (tvp && (fvp->v_mount != tvp->v_mount))) { 587 1.31.2.2 perseant error = EXDEV; 588 1.31.2.2 perseant VOP_ABORTOP(tdvp, ap->a_tcnp); /* XXX, why not in NFS? */ 589 1.31.2.2 perseant if (tdvp == tvp) 590 1.31.2.2 perseant vrele(tdvp); 591 1.31.2.2 perseant else 592 1.31.2.2 perseant vput(tdvp); 593 1.31.2.2 perseant if (tvp) 594 1.31.2.2 perseant vput(tvp); 595 1.31.2.2 perseant VOP_ABORTOP(fdvp, ap->a_fcnp); /* XXX, why not in NFS? */ 596 1.31.2.2 perseant vrele(fdvp); 597 1.31.2.2 perseant vrele(fvp); 598 1.31.2.2 perseant return (error); 599 1.31.2.2 perseant } 600 1.31.2.2 perseant if((error=SET_DIROP(fs))!=0) 601 1.31.2.2 perseant return (error); 602 1.31.2.2 perseant MARK_VNODE(fdvp); 603 1.31.2.2 perseant MARK_VNODE(tdvp); 604 1.31.2.2 perseant error = ufs_rename(ap); 605 1.31.2.2 perseant MAYBE_INACTIVE(fs,fvp); 606 1.31.2.2 perseant MAYBE_INACTIVE(fs,tvp); 607 1.31.2.2 perseant SET_ENDOP(fs,fdvp,"rename"); 608 1.31.2.2 perseant return (error); 609 1.31.2.2 perseant } 610 1.31.2.2 perseant 611 1.31.2.2 perseant /* XXX hack to avoid calling ITIMES in getattr */ 612 1.31.2.2 perseant int 613 1.31.2.2 perseant lfs_getattr(v) 614 1.31.2.2 perseant void *v; 615 1.31.2.2 perseant { 616 1.31.2.2 perseant struct vop_getattr_args /* { 617 1.31.2.2 perseant struct vnode *a_vp; 618 1.31.2.2 perseant struct vattr *a_vap; 619 1.31.2.2 perseant struct ucred *a_cred; 620 1.31.2.2 perseant struct proc *a_p; 621 1.31.2.2 perseant } */ *ap = v; 622 1.31.2.2 perseant register struct vnode *vp = ap->a_vp; 623 1.31.2.2 perseant register struct inode *ip = VTOI(vp); 624 1.31.2.2 perseant register struct vattr *vap = ap->a_vap; 625 1.31.2.2 perseant /* 626 1.31.2.2 perseant * Copy from inode table 627 1.31.2.2 perseant */ 628 1.31.2.2 perseant vap->va_fsid = ip->i_dev; 629 1.31.2.2 perseant vap->va_fileid = ip->i_number; 630 1.31.2.2 perseant vap->va_mode = ip->i_ffs_mode & ~IFMT; 631 1.31.2.2 perseant vap->va_nlink = ip->i_ffs_nlink; 632 1.31.2.2 perseant vap->va_uid = ip->i_ffs_uid; 633 1.31.2.2 perseant vap->va_gid = ip->i_ffs_gid; 634 1.31.2.2 perseant vap->va_rdev = (dev_t)ip->i_ffs_rdev; 635 1.31.2.2 perseant vap->va_size = ip->i_ffs_size; 636 1.31.2.2 perseant vap->va_atime.tv_sec = ip->i_ffs_atime; 637 1.31.2.2 perseant vap->va_atime.tv_nsec = ip->i_ffs_atimensec; 638 1.31.2.2 perseant vap->va_mtime.tv_sec = ip->i_ffs_mtime; 639 1.31.2.2 perseant vap->va_mtime.tv_nsec = ip->i_ffs_mtimensec; 640 1.31.2.2 perseant vap->va_ctime.tv_sec = ip->i_ffs_ctime; 641 1.31.2.2 perseant vap->va_ctime.tv_nsec = ip->i_ffs_ctimensec; 642 1.31.2.2 perseant vap->va_flags = ip->i_ffs_flags; 643 1.31.2.2 perseant vap->va_gen = ip->i_ffs_gen; 644 1.31.2.2 perseant /* this doesn't belong here */ 645 1.31.2.2 perseant if (vp->v_type == VBLK) 646 1.31.2.2 perseant vap->va_blocksize = BLKDEV_IOSIZE; 647 1.31.2.2 perseant else if (vp->v_type == VCHR) 648 1.31.2.2 perseant vap->va_blocksize = MAXBSIZE; 649 1.31.2.2 perseant else 650 1.31.2.2 perseant vap->va_blocksize = vp->v_mount->mnt_stat.f_iosize; 651 1.31.2.2 perseant vap->va_bytes = dbtob((u_quad_t)ip->i_ffs_blocks); 652 1.31.2.2 perseant vap->va_type = vp->v_type; 653 1.31.2.2 perseant vap->va_filerev = ip->i_modrev; 654 1.31.2.2 perseant return (0); 655 1.31.2.2 perseant } 656 1.31.2.2 perseant 657 1.31.2.2 perseant /* 658 1.31.2.2 perseant * Close called 659 1.31.2.2 perseant * 660 1.31.2.2 perseant * XXX -- we were using ufs_close, but since it updates the 661 1.31.2.2 perseant * times on the inode, we might need to bump the uinodes 662 1.31.2.2 perseant * count. 663 1.31.2.2 perseant */ 664 1.31.2.2 perseant /* ARGSUSED */ 665 1.31.2.2 perseant int 666 1.31.2.2 perseant lfs_close(v) 667 1.31.2.2 perseant void *v; 668 1.31.2.2 perseant { 669 1.31.2.2 perseant struct vop_close_args /* { 670 1.31.2.2 perseant struct vnode *a_vp; 671 1.31.2.2 perseant int a_fflag; 672 1.31.2.2 perseant struct ucred *a_cred; 673 1.31.2.2 perseant struct proc *a_p; 674 1.31.2.2 perseant } */ *ap = v; 675 1.31.2.2 perseant register struct vnode *vp = ap->a_vp; 676 1.31.2.2 perseant register struct inode *ip = VTOI(vp); 677 1.31.2.2 perseant int mod; 678 1.31.2.2 perseant struct timespec ts; 679 1.31.2.2 perseant 680 1.31.2.2 perseant simple_lock(&vp->v_interlock); 681 1.31.2.2 perseant if (vp->v_usecount > 1) { 682 1.31.2.2 perseant mod = ip->i_flag & IN_MODIFIED; 683 1.31.2.2 perseant TIMEVAL_TO_TIMESPEC(&time, &ts); 684 1.31.2.2 perseant LFS_ITIMES(ip, &ts, &ts, &ts); 685 1.31.2.2 perseant if (!mod && ip->i_flag & IN_MODIFIED) 686 1.31.2.2 perseant ip->i_lfs->lfs_uinodes++; 687 1.31.2.2 perseant } 688 1.31.2.2 perseant simple_unlock(&vp->v_interlock); 689 1.31.2.2 perseant return (0); 690 1.31.2.2 perseant } 691 1.31.2.2 perseant 692 1.31.2.2 perseant /* 693 1.31.2.2 perseant * Reclaim an inode so that it can be used for other purposes. 694 1.31.2.2 perseant */ 695 1.31.2.2 perseant int lfs_no_inactive = 0; 696 1.31.2.2 perseant 697 1.31.2.2 perseant int 698 1.31.2.2 perseant lfs_reclaim(v) 699 1.31.2.2 perseant void *v; 700 1.31.2.2 perseant { 701 1.31.2.2 perseant struct vop_reclaim_args /* { 702 1.31.2.2 perseant struct vnode *a_vp; 703 1.31.2.2 perseant struct proc *a_p; 704 1.31.2.2 perseant } */ *ap = v; 705 1.31.2.2 perseant struct vnode *vp = ap->a_vp; 706 1.31.2.2 perseant int error; 707 1.31.2.2 perseant 708 1.31.2.2 perseant if ((error = ufs_reclaim(vp, ap->a_p))) 709 1.31.2.2 perseant return (error); 710 1.31.2.2 perseant pool_put(&lfs_inode_pool, vp->v_data); 711 1.31.2.2 perseant vp->v_data = NULL; 712 1.31.2.2 perseant return (0); 713 1.31.2.2 perseant } 714
Indexes created Mon Oct 20 20:10:13 GMT 2025