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Get rid of calls to vfinddev() by ripping out code for vnode type

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This commit is contained in:
Poul-Henning Kamp 1999-11-20 13:18:24 +00:00
parent 1fe96d232a
commit e2ec74be4c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=53458
1 changed files with 0 additions and 26 deletions
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26
sys/miscfs/kernfs/kernfs_vnops.c
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@ -75,7 +75,6 @@ static struct kern_target {
#define KTT_HOSTNAME 47
#define KTT_BOOTFILE 49
#define KTT_AVENRUN 53
#define KTT_DEVICE 71
u_char kt_tag;
u_char kt_vtype;
mode_t kt_mode;
@ -93,11 +92,6 @@ static struct kern_target {
{ DT_REG, N("loadavg"), 0, KTT_AVENRUN, VREG, READ_MODE },
{ DT_REG, N("pagesize"), &cnt.v_page_size, KTT_INT, VREG, READ_MODE },
{ DT_REG, N("physmem"), &physmem, KTT_INT, VREG, READ_MODE },
#if 0
{ DT_DIR, N("root"), 0, KTT_NULL, VDIR, DIR_MODE },
{ DT_BLK, N("rootdev"), &rootdev, KTT_DEVICE, VBLK, READ_MODE },
{ DT_CHR, N("rrootdev"), &rrootdev, KTT_DEVICE, VCHR, READ_MODE },
#endif
{ DT_REG, N("time"), 0, KTT_TIME, VREG, READ_MODE },
{ DT_REG, N("version"), version, KTT_STRING, VREG, READ_MODE },
#undef N
@ -278,18 +272,6 @@ kernfs_lookup(ap)
return (cnp->cn_nameiop == LOOKUP ? ENOENT : EROFS);
found:
if (kt->kt_tag == KTT_DEVICE) {
dev_t *dp = kt->kt_data;
loop:
if (*dp == NODEV || !vfinddev(*dp, kt->kt_vtype, &fvp)) {
vn_lock(dvp, LK_SHARED | LK_RETRY, p);
return (ENOENT);
}
*vpp = fvp;
if (vget(fvp, LK_EXCLUSIVE, p))
goto loop;
return (0);
}
#ifdef DEBUG
printf("kernfs_lookup: allocate new vnode\n");
@ -541,14 +523,6 @@ kernfs_readdir(ap)
printf("kernfs_readdir: i = %d\n", i);
#endif
if (kt->kt_tag == KTT_DEVICE) {
dev_t *dp = kt->kt_data;
struct vnode *fvp;
if (*dp == NODEV || !vfinddev(*dp, kt->kt_vtype, &fvp))
continue;
}
bzero((caddr_t)dp, UIO_MX);
dp->d_namlen = kt->kt_namlen;
bcopy(kt->kt_name, dp->d_name, kt->kt_namlen+1);