geom_kern.c (ef607a6aa3e2ac6fef93a68a5804b6799c516428) geom_kern.c (1b2cb2b3f048a68ee632bc586642e3bc86e6bbe4)
1/*-
2 * Copyright (c) 2002 Poul-Henning Kamp
3 * Copyright (c) 2002 Networks Associates Technology, Inc.
4 * All rights reserved.
5 *
6 * This software was developed for the FreeBSD Project by Poul-Henning Kamp
7 * and NAI Labs, the Security Research Division of Network Associates, Inc.
8 * under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the

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61static struct proc *g_proc;
62static struct thread *g_up_td;
63static struct thread *g_down_td;
64static struct thread *g_event_td;
65
66int g_debugflags;
67int g_collectstats = 1;
68int g_shutdown;
1/*-
2 * Copyright (c) 2002 Poul-Henning Kamp
3 * Copyright (c) 2002 Networks Associates Technology, Inc.
4 * All rights reserved.
5 *
6 * This software was developed for the FreeBSD Project by Poul-Henning Kamp
7 * and NAI Labs, the Security Research Division of Network Associates, Inc.
8 * under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the

--- 52 unchanged lines hidden (view full) ---

61static struct proc *g_proc;
62static struct thread *g_up_td;
63static struct thread *g_down_td;
64static struct thread *g_event_td;
65
66int g_debugflags;
67int g_collectstats = 1;
68int g_shutdown;
69int g_notaste;
69
70/*
71 * G_UP and G_DOWN are the two threads which push I/O through the
72 * stack.
73 *
74 * Things are procesed in a FIFO order, but these threads could be
75 * part of I/O prioritization by deciding which bios/bioqs to service
76 * in what order.

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203SYSCTL_PROC(_kern_geom, OID_AUTO, conftxt, CTLTYPE_STRING|CTLFLAG_RD,
204 0, 0, sysctl_kern_geom_conftxt, "",
205 "Dump the GEOM config in txt");
206
207TUNABLE_INT("kern.geom.debugflags", &g_debugflags);
208SYSCTL_INT(_kern_geom, OID_AUTO, debugflags, CTLFLAG_RW,
209 &g_debugflags, 0, "Set various trace levels for GEOM debugging");
210
70
71/*
72 * G_UP and G_DOWN are the two threads which push I/O through the
73 * stack.
74 *
75 * Things are procesed in a FIFO order, but these threads could be
76 * part of I/O prioritization by deciding which bios/bioqs to service
77 * in what order.

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204SYSCTL_PROC(_kern_geom, OID_AUTO, conftxt, CTLTYPE_STRING|CTLFLAG_RD,
205 0, 0, sysctl_kern_geom_conftxt, "",
206 "Dump the GEOM config in txt");
207
208TUNABLE_INT("kern.geom.debugflags", &g_debugflags);
209SYSCTL_INT(_kern_geom, OID_AUTO, debugflags, CTLFLAG_RW,
210 &g_debugflags, 0, "Set various trace levels for GEOM debugging");
211
212SYSCTL_INT(_kern_geom, OID_AUTO, notaste, CTLFLAG_RW,
213 &g_notaste, 0, "Prevent GEOM tasting");
214
211SYSCTL_INT(_kern_geom, OID_AUTO, collectstats, CTLFLAG_RW,
212 &g_collectstats, 0,
213 "Control statistics collection on GEOM providers and consumers");
214
215SYSCTL_INT(_debug_sizeof, OID_AUTO, g_class, CTLFLAG_RD,
216 0, sizeof(struct g_class), "sizeof(struct g_class)");
217SYSCTL_INT(_debug_sizeof, OID_AUTO, g_geom, CTLFLAG_RD,
218 0, sizeof(struct g_geom), "sizeof(struct g_geom)");
219SYSCTL_INT(_debug_sizeof, OID_AUTO, g_provider, CTLFLAG_RD,
220 0, sizeof(struct g_provider), "sizeof(struct g_provider)");
221SYSCTL_INT(_debug_sizeof, OID_AUTO, g_consumer, CTLFLAG_RD,
222 0, sizeof(struct g_consumer), "sizeof(struct g_consumer)");
223SYSCTL_INT(_debug_sizeof, OID_AUTO, g_bioq, CTLFLAG_RD,
224 0, sizeof(struct g_bioq), "sizeof(struct g_bioq)");
215SYSCTL_INT(_kern_geom, OID_AUTO, collectstats, CTLFLAG_RW,
216 &g_collectstats, 0,
217 "Control statistics collection on GEOM providers and consumers");
218
219SYSCTL_INT(_debug_sizeof, OID_AUTO, g_class, CTLFLAG_RD,
220 0, sizeof(struct g_class), "sizeof(struct g_class)");
221SYSCTL_INT(_debug_sizeof, OID_AUTO, g_geom, CTLFLAG_RD,
222 0, sizeof(struct g_geom), "sizeof(struct g_geom)");
223SYSCTL_INT(_debug_sizeof, OID_AUTO, g_provider, CTLFLAG_RD,
224 0, sizeof(struct g_provider), "sizeof(struct g_provider)");
225SYSCTL_INT(_debug_sizeof, OID_AUTO, g_consumer, CTLFLAG_RD,
226 0, sizeof(struct g_consumer), "sizeof(struct g_consumer)");
227SYSCTL_INT(_debug_sizeof, OID_AUTO, g_bioq, CTLFLAG_RD,
228 0, sizeof(struct g_bioq), "sizeof(struct g_bioq)");