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General tidy up: remove more unused code, update comments, simplify some

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routines a little.
This commit is contained in:
Peter Wemm 1998-11-04 03:18:10 +00:00
parent 12b2c0d82e
commit ee9d248c5f
1 changed files with 16 additions and 34 deletions
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50
sys/kern/vfs_init.c
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@ -36,7 +36,7 @@
* SUCH DAMAGE.
*
* @(#)vfs_init.c 8.3 (Berkeley) 1/4/94
* $Id: vfs_init.c,v 1.36 1998/10/25 10:52:34 bde Exp $
* $Id: vfs_init.c,v 1.37 1998/10/25 17:44:52 phk Exp $
*/
@ -109,11 +109,13 @@ struct vm_zone *namei_zone;
void
vfs_opv_init(struct vnodeopv_desc *opv)
{
int j, k;
int j;
vop_t ***opv_desc_vector_p;
vop_t **opv_desc_vector;
struct vnodeopv_entry_desc *opve_descp;
int default_vector;
default_vector = VOFFSET(vop_default);
/*
* Allocate the dynamic vectors and fill them in.
*/
@ -125,8 +127,7 @@ vfs_opv_init(struct vnodeopv_desc *opv)
if (*opv_desc_vector_p == NULL) {
/* XXX - shouldn't be M_VNODE */
MALLOC(*opv_desc_vector_p, vop_t **,
vfs_opv_numops * sizeof(vop_t *), M_VNODE,
M_WAITOK);
vfs_opv_numops * sizeof(vop_t *), M_VNODE, M_WAITOK);
bzero(*opv_desc_vector_p,
vfs_opv_numops * sizeof(vop_t *));
DODEBUG(printf("vector at %x allocated\n",
@ -154,11 +155,9 @@ vfs_opv_init(struct vnodeopv_desc *opv)
* list of supported operations.
*/
if (opve_descp->opve_op->vdesc_offset == 0 &&
opve_descp->opve_op->vdesc_offset !=
VOFFSET(vop_default)) {
printf("operation %s not listed in %s.\n",
opve_descp->opve_op->vdesc_name,
"vfs_op_descs");
opve_descp->opve_op->vdesc_offset != default_vector) {
printf("operation %s not listed in vfs_op_descs[].\n",
opve_descp->opve_op->vdesc_name);
panic ("vfs_opv_init: bad operation");
}
/*
@ -168,21 +167,14 @@ vfs_opv_init(struct vnodeopv_desc *opv)
opve_descp->opve_impl;
}
/*
* Finally, go back and replace unfilled routines
* with their default. (Sigh, an O(n^3) algorithm. I
* could make it better, but that'd be work, and n is small.)
* Finally, go back and replace unfilled routines with their default.
*/
opv_desc_vector = *(opv->opv_desc_vector_p);
/*
* Force every operations vector to have a default routine.
*/
if (opv_desc_vector[VOFFSET(vop_default)]==NULL) {
panic("vfs_opv_init: operation vector without default routine.");
}
for (k = 0; k<vfs_opv_numops; k++)
if (opv_desc_vector[k] == NULL)
opv_desc_vector[k] =
opv_desc_vector[VOFFSET(vop_default)];
if (opv_desc_vector[default_vector] == NULL)
panic("vfs_opv_init: operation vector without a default.");
for (j = 0; j < vfs_opv_numops; j++)
if (opv_desc_vector[j] == NULL)
opv_desc_vector[j] = opv_desc_vector[default_vector];
}
/*
@ -195,13 +187,6 @@ vfs_op_init()
DODEBUG(printf("Vnode_interface_init.\n"));
DODEBUG(printf ("vfs_opv_numops=%d\n", vfs_opv_numops));
#ifdef unused
/*
* Set all vnode vectors to a well known value.
*/
for (i = 0; vfs_opv_descs[i]; i++)
*(vfs_opv_descs[i]->opv_desc_vector_p) = NULL;
#endif
/*
* assign each op to its offset
*
@ -214,11 +199,6 @@ vfs_op_init()
*/
for (i = 0; i < vfs_opv_numops; i++)
vfs_op_descs[i]->vdesc_offset = i;
#ifdef unused
/* Finish the job */
for (i = 0; vfs_opv_descs[i]; i++)
vfs_opv_init(vfs_opv_descs[i]);
#endif
}
/*
@ -331,6 +311,8 @@ vfs_mod_opv_init(handle)
opv = (struct vnodeopv_desc *)handle;
*(opv->opv_desc_vector_p) = NULL;
/* XXX there is a memory leak on unload here */
vfs_opv_init(opv);
}