| devfs_rule.c (227489) | devfs_rule.c (231265) |
|---|---|
| 1/*- 2 * Copyright (c) 2002 Dima Dorfman. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * | 1/*- 2 * Copyright (c) 2002 Dima Dorfman. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * |
| 26 * $FreeBSD: head/sys/fs/devfs/devfs_rule.c 227489 2011-11-13 17:06:33Z eadler $ | 26 * $FreeBSD: head/sys/fs/devfs/devfs_rule.c 231265 2012-02-09 10:09:12Z mm $ |
| 27 */ 28 29/* 30 * DEVFS ruleset implementation. 31 * 32 * A note on terminology: To "run" a rule on a dirent is to take the 33 * prescribed action; to "apply" a rule is to check whether it matches 34 * a dirent and run if if it does. --- 731 unchanged lines hidden (view full) --- 766 767 sx_assert(&dm->dm_lock, SX_XLOCKED); 768 if (dm->dm_ruleset != 0) { 769 ds = devfs_ruleset_bynum(dm->dm_ruleset); 770 --ds->ds_refcount; 771 devfs_ruleset_reap(ds); 772 } 773} | 27 */ 28 29/* 30 * DEVFS ruleset implementation. 31 * 32 * A note on terminology: To "run" a rule on a dirent is to take the 33 * prescribed action; to "apply" a rule is to check whether it matches 34 * a dirent and run if if it does. --- 731 unchanged lines hidden (view full) --- 766 767 sx_assert(&dm->dm_lock, SX_XLOCKED); 768 if (dm->dm_ruleset != 0) { 769 ds = devfs_ruleset_bynum(dm->dm_ruleset); 770 --ds->ds_refcount; 771 devfs_ruleset_reap(ds); 772 } 773} |
| 774 775/* 776 * Make rsnum the active ruleset for dm (locked) 777 */ 778void 779devfs_ruleset_set(devfs_rsnum rsnum, struct devfs_mount *dm) 780{ 781 782 sx_assert(&dm->dm_lock, SX_XLOCKED); 783 784 sx_xlock(&sx_rules); 785 devfs_ruleset_use(rsnum, dm); 786 sx_xunlock(&sx_rules); 787} 788 789/* 790 * Apply the current active ruleset on a mount 791 */ 792void 793devfs_ruleset_apply(struct devfs_mount *dm) 794{ 795 struct devfs_ruleset *ds; 796 797 sx_assert(&dm->dm_lock, SX_XLOCKED); 798 799 sx_xlock(&sx_rules); 800 if (dm->dm_ruleset == 0) { 801 sx_xunlock(&sx_rules); 802 return; 803 } 804 ds = devfs_ruleset_bynum(dm->dm_ruleset); 805 if (ds != NULL) 806 devfs_ruleset_applydm(ds, dm); 807 sx_xunlock(&sx_rules); 808} |
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