geom_io.c (d306122d60b484718888cfbda76b211d3d7767d1) geom_io.c (b1876192f015b1cf392b52b82b124265fc9683a7)
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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48#include <sys/systm.h>
49#include <sys/kernel.h>
50#include <sys/malloc.h>
51#include <sys/bio.h>
52#endif
53
54#include <sys/errno.h>
55#include <geom/geom.h>
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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48#include <sys/systm.h>
49#include <sys/kernel.h>
50#include <sys/malloc.h>
51#include <sys/bio.h>
52#endif
53
54#include <sys/errno.h>
55#include <geom/geom.h>
56#include <geom/geom_int.h>
56
57static struct g_bioq g_bio_run_down;
58static struct g_bioq g_bio_run_up;
59static struct g_bioq g_bio_idle;
60
61#include <machine/atomic.h>
62
63static void

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158{
159
160 g_bioq_init(&g_bio_run_down);
161 g_bioq_init(&g_bio_run_up);
162 g_bioq_init(&g_bio_idle);
163}
164
165int
57
58static struct g_bioq g_bio_run_down;
59static struct g_bioq g_bio_run_up;
60static struct g_bioq g_bio_idle;
61
62#include <machine/atomic.h>
63
64static void

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159{
160
161 g_bioq_init(&g_bio_run_down);
162 g_bioq_init(&g_bio_run_up);
163 g_bioq_init(&g_bio_idle);
164}
165
166int
166g_io_setattr(char *attr, struct g_consumer *cp, int len, void *ptr, struct thread *tp __unused)
167g_io_setattr(char *attr, struct g_consumer *cp, int len, void *ptr)
167{
168 struct bio *bp;
169 int error;
170
171 g_trace(G_T_BIO, "bio_setattr(%s)", attr);
172 do {
173 bp = g_new_bio();
174 bp->bio_cmd = BIO_SETATTR;

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187 if (error == EBUSY)
188 tsleep(&error, 0, "setattr_busy", hz);
189 } while(error == EBUSY);
190 return (error);
191}
192
193
194int
168{
169 struct bio *bp;
170 int error;
171
172 g_trace(G_T_BIO, "bio_setattr(%s)", attr);
173 do {
174 bp = g_new_bio();
175 bp->bio_cmd = BIO_SETATTR;

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188 if (error == EBUSY)
189 tsleep(&error, 0, "setattr_busy", hz);
190 } while(error == EBUSY);
191 return (error);
192}
193
194
195int
195g_io_getattr(char *attr, struct g_consumer *cp, int *len, void *ptr, struct thread *tp __unused)
196g_io_getattr(char *attr, struct g_consumer *cp, int *len, void *ptr)
196{
197 struct bio *bp;
198 int error;
199
200 g_trace(G_T_BIO, "bio_getattr(%s)", attr);
201 do {
202 bp = g_new_bio();
203 bp->bio_cmd = BIO_GETATTR;

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198 struct bio *bp;
199 int error;
200
201 g_trace(G_T_BIO, "bio_getattr(%s)", attr);
202 do {
203 bp = g_new_bio();
204 bp->bio_cmd = BIO_GETATTR;

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