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md.c (118467) md.c (118607)
1/*
2 * ----------------------------------------------------------------------------
3 * "THE BEER-WARE LICENSE" (Revision 42):
4 * <phk@FreeBSD.ORG> wrote this file. As long as you retain this notice you
5 * can do whatever you want with this stuff. If we meet some day, and you think
6 * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
7 * ----------------------------------------------------------------------------
8 *
1/*
2 * ----------------------------------------------------------------------------
3 * "THE BEER-WARE LICENSE" (Revision 42):
4 * <phk@FreeBSD.ORG> wrote this file. As long as you retain this notice you
5 * can do whatever you want with this stuff. If we meet some day, and you think
6 * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
7 * ----------------------------------------------------------------------------
8 *
9 * $FreeBSD: head/sys/dev/md/md.c 118467 2003-08-05 06:54:44Z phk $
9 * $FreeBSD: head/sys/dev/md/md.c 118607 2003-08-07 15:04:27Z jhb $
10 *
11 */
12
13/*
14 * The following functions are based in the vn(4) driver: mdstart_swap(),
15 * mdstart_vnode(), mdcreate_swap(), mdcreate_vnode() and mddestroy(),
16 * and as such under the following copyright:
17 *

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

127static LIST_HEAD(, md_s) md_softc_list = LIST_HEAD_INITIALIZER(&md_softc_list);
128
129#define NINDIR (PAGE_SIZE / sizeof(uintptr_t))
130#define NMASK (NINDIR-1)
131static int nshift;
132
133struct indir {
134 uintptr_t *array;
10 *
11 */
12
13/*
14 * The following functions are based in the vn(4) driver: mdstart_swap(),
15 * mdstart_vnode(), mdcreate_swap(), mdcreate_vnode() and mddestroy(),
16 * and as such under the following copyright:
17 *

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

127static LIST_HEAD(, md_s) md_softc_list = LIST_HEAD_INITIALIZER(&md_softc_list);
128
129#define NINDIR (PAGE_SIZE / sizeof(uintptr_t))
130#define NMASK (NINDIR-1)
131static int nshift;
132
133struct indir {
134 uintptr_t *array;
135 uint total;
136 uint used;
137 uint shift;
135 u_int total;
136 u_int used;
137 u_int shift;
138};
139
140struct md_s {
141 int unit;
142 LIST_ENTRY(md_s) list;
143 struct bio_queue_head bio_queue;
144 struct mtx queue_mtx;
145 dev_t dev;

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

169
170 /* MD_SWAP related fields */
171 vm_object_t object;
172};
173
174static int mddestroy(struct md_s *sc, struct thread *td);
175
176static struct indir *
138};
139
140struct md_s {
141 int unit;
142 LIST_ENTRY(md_s) list;
143 struct bio_queue_head bio_queue;
144 struct mtx queue_mtx;
145 dev_t dev;

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

169
170 /* MD_SWAP related fields */
171 vm_object_t object;
172};
173
174static int mddestroy(struct md_s *sc, struct thread *td);
175
176static struct indir *
177new_indir(uint shift)
177new_indir(u_int shift)
178{
179 struct indir *ip;
180
181 ip = malloc(sizeof *ip, M_MD, M_NOWAIT | M_ZERO);
182 if (ip == NULL)
183 return (NULL);
184 ip->array = malloc(sizeof(uintptr_t) * NINDIR,
185 M_MDSECT, M_NOWAIT | M_ZERO);

--- 1058 unchanged lines hidden --- 		178{
179 struct indir *ip;
180
181 ip = malloc(sizeof *ip, M_MD, M_NOWAIT | M_ZERO);
182 if (ip == NULL)
183 return (NULL);
184 ip->array = malloc(sizeof(uintptr_t) * NINDIR,
185 M_MDSECT, M_NOWAIT | M_ZERO);

--- 1058 unchanged lines hidden ---