version 1.104, 2004/05/13 15:44:04 |
version 1.113, 2005/11/02 12:38:59 |
Line 90 const struct kern_target kern_targets[] |
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Line 90 const struct kern_target kern_targets[] |
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{ DT_DIR, N("."), 0, KFSkern, VDIR, DIR_MODE }, |
{ DT_DIR, N("."), 0, KFSkern, VDIR, DIR_MODE }, |
{ DT_DIR, N(".."), 0, KFSroot, VDIR, DIR_MODE }, |
{ DT_DIR, N(".."), 0, KFSroot, VDIR, DIR_MODE }, |
{ DT_REG, N("boottime"), &boottime.tv_sec, KFSint, VREG, READ_MODE }, |
{ DT_REG, N("boottime"), &boottime.tv_sec, KFSint, VREG, READ_MODE }, |
/* XXX cast away const */ |
/* XXXUNCONST */ |
{ DT_REG, N("copyright"), (void *)copyright, |
{ DT_REG, N("copyright"), __UNCONST(copyright), |
KFSstring, VREG, READ_MODE }, |
KFSstring, VREG, READ_MODE }, |
{ DT_REG, N("hostname"), 0, KFShostname, VREG, WRITE_MODE }, |
{ DT_REG, N("hostname"), 0, KFShostname, VREG, WRITE_MODE }, |
{ DT_REG, N("hz"), &hz, KFSint, VREG, READ_MODE }, |
{ DT_REG, N("hz"), &hz, KFSint, VREG, READ_MODE }, |
Line 109 const struct kern_target kern_targets[] |
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Line 109 const struct kern_target kern_targets[] |
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{ DT_BLK, N("rootdev"), &rootdev, KFSdevice, VBLK, READ_MODE }, |
{ DT_BLK, N("rootdev"), &rootdev, KFSdevice, VBLK, READ_MODE }, |
{ DT_CHR, N("rrootdev"), &rrootdev, KFSdevice, VCHR, READ_MODE }, |
{ DT_CHR, N("rrootdev"), &rrootdev, KFSdevice, VCHR, READ_MODE }, |
{ DT_REG, N("time"), 0, KFStime, VREG, READ_MODE }, |
{ DT_REG, N("time"), 0, KFStime, VREG, READ_MODE }, |
/* XXX cast away const */ |
/* XXXUNCONST */ |
{ DT_REG, N("version"), (void *)version, |
{ DT_REG, N("version"), __UNCONST(version), |
KFSstring, VREG, READ_MODE }, |
KFSstring, VREG, READ_MODE }, |
}; |
}; |
const struct kern_target subdir_targets[] = { |
const struct kern_target subdir_targets[] = { |
Line 164 const struct kernfs_fileop kernfs_defaul |
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Line 164 const struct kernfs_fileop kernfs_defaul |
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{ .kf_fileop = KERNFS_FILEOP_GETATTR, |
{ .kf_fileop = KERNFS_FILEOP_GETATTR, |
.kf_genop = {kernfs_default_fileop_getattr} }, |
.kf_genop = {kernfs_default_fileop_getattr} }, |
{ .kf_fileop = KERNFS_FILEOP_IOCTL }, |
{ .kf_fileop = KERNFS_FILEOP_IOCTL }, |
{ .kf_fileop = KERNFS_FILEOP_MMAP }, |
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{ .kf_fileop = KERNFS_FILEOP_CLOSE }, |
{ .kf_fileop = KERNFS_FILEOP_CLOSE }, |
{ .kf_fileop = KERNFS_FILEOP_WRITE, .kf_genop = {kernfs_default_xwrite} }, |
{ .kf_fileop = KERNFS_FILEOP_WRITE, .kf_genop = {kernfs_default_xwrite} }, |
}; |
}; |
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int kernfs_lookup __P((void *)); |
int kernfs_lookup(void *); |
#define kernfs_create genfs_eopnotsupp |
#define kernfs_create genfs_eopnotsupp |
#define kernfs_mknod genfs_eopnotsupp |
#define kernfs_mknod genfs_eopnotsupp |
int kernfs_open __P((void *)); |
int kernfs_open(void *); |
int kernfs_close __P((void *)); |
int kernfs_close(void *); |
int kernfs_access __P((void *)); |
int kernfs_access(void *); |
int kernfs_getattr __P((void *)); |
int kernfs_getattr(void *); |
int kernfs_setattr __P((void *)); |
int kernfs_setattr(void *); |
int kernfs_read __P((void *)); |
int kernfs_read(void *); |
int kernfs_write __P((void *)); |
int kernfs_write(void *); |
#define kernfs_fcntl genfs_fcntl |
#define kernfs_fcntl genfs_fcntl |
int kernfs_ioctl __P((void *)); |
int kernfs_ioctl(void *); |
#define kernfs_poll genfs_poll |
#define kernfs_poll genfs_poll |
#define kernfs_revoke genfs_revoke |
#define kernfs_revoke genfs_revoke |
int kernfs_mmap __P((void *)); |
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#define kernfs_fsync genfs_nullop |
#define kernfs_fsync genfs_nullop |
#define kernfs_seek genfs_nullop |
#define kernfs_seek genfs_nullop |
#define kernfs_remove genfs_eopnotsupp |
#define kernfs_remove genfs_eopnotsupp |
int kernfs_link __P((void *)); |
int kernfs_link(void *); |
#define kernfs_rename genfs_eopnotsupp |
#define kernfs_rename genfs_eopnotsupp |
#define kernfs_mkdir genfs_eopnotsupp |
#define kernfs_mkdir genfs_eopnotsupp |
#define kernfs_rmdir genfs_eopnotsupp |
#define kernfs_rmdir genfs_eopnotsupp |
int kernfs_symlink __P((void *)); |
int kernfs_symlink(void *); |
int kernfs_readdir __P((void *)); |
int kernfs_readdir(void *); |
#define kernfs_readlink genfs_eopnotsupp |
#define kernfs_readlink genfs_eopnotsupp |
#define kernfs_abortop genfs_abortop |
#define kernfs_abortop genfs_abortop |
int kernfs_inactive __P((void *)); |
int kernfs_inactive(void *); |
int kernfs_reclaim __P((void *)); |
int kernfs_reclaim(void *); |
#define kernfs_lock genfs_lock |
#define kernfs_lock genfs_lock |
#define kernfs_unlock genfs_unlock |
#define kernfs_unlock genfs_unlock |
#define kernfs_bmap genfs_badop |
#define kernfs_bmap genfs_badop |
#define kernfs_strategy genfs_badop |
#define kernfs_strategy genfs_badop |
int kernfs_print __P((void *)); |
int kernfs_print(void *); |
#define kernfs_islocked genfs_islocked |
#define kernfs_islocked genfs_islocked |
int kernfs_pathconf __P((void *)); |
int kernfs_pathconf(void *); |
#define kernfs_advlock genfs_einval |
#define kernfs_advlock genfs_einval |
#define kernfs_blkatoff genfs_eopnotsupp |
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#define kernfs_valloc genfs_eopnotsupp |
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#define kernfs_vfree genfs_nullop |
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#define kernfs_truncate genfs_eopnotsupp |
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#define kernfs_update genfs_nullop |
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#define kernfs_bwrite genfs_eopnotsupp |
#define kernfs_bwrite genfs_eopnotsupp |
#define kernfs_putpages genfs_putpages |
#define kernfs_putpages genfs_putpages |
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static int kernfs_xread __P((struct kernfs_node *, int, char **, size_t, size_t *)); |
static int kernfs_xread(struct kernfs_node *, int, char **, |
static int kernfs_xwrite __P((const struct kernfs_node *, char *, size_t)); |
size_t, size_t *); |
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static int kernfs_xwrite(const struct kernfs_node *, char *, size_t); |
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int (**kernfs_vnodeop_p) __P((void *)); |
int (**kernfs_vnodeop_p)(void *); |
const struct vnodeopv_entry_desc kernfs_vnodeop_entries[] = { |
const struct vnodeopv_entry_desc kernfs_vnodeop_entries[] = { |
{ &vop_default_desc, vn_default_error }, |
{ &vop_default_desc, vn_default_error }, |
{ &vop_lookup_desc, kernfs_lookup }, /* lookup */ |
{ &vop_lookup_desc, kernfs_lookup }, /* lookup */ |
Line 233 const struct vnodeopv_entry_desc kernfs_ |
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Line 227 const struct vnodeopv_entry_desc kernfs_ |
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{ &vop_ioctl_desc, kernfs_ioctl }, /* ioctl */ |
{ &vop_ioctl_desc, kernfs_ioctl }, /* ioctl */ |
{ &vop_poll_desc, kernfs_poll }, /* poll */ |
{ &vop_poll_desc, kernfs_poll }, /* poll */ |
{ &vop_revoke_desc, kernfs_revoke }, /* revoke */ |
{ &vop_revoke_desc, kernfs_revoke }, /* revoke */ |
{ &vop_mmap_desc, kernfs_mmap }, /* mmap */ |
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{ &vop_fsync_desc, kernfs_fsync }, /* fsync */ |
{ &vop_fsync_desc, kernfs_fsync }, /* fsync */ |
{ &vop_seek_desc, kernfs_seek }, /* seek */ |
{ &vop_seek_desc, kernfs_seek }, /* seek */ |
{ &vop_remove_desc, kernfs_remove }, /* remove */ |
{ &vop_remove_desc, kernfs_remove }, /* remove */ |
Line 255 const struct vnodeopv_entry_desc kernfs_ |
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Line 248 const struct vnodeopv_entry_desc kernfs_ |
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{ &vop_islocked_desc, kernfs_islocked }, /* islocked */ |
{ &vop_islocked_desc, kernfs_islocked }, /* islocked */ |
{ &vop_pathconf_desc, kernfs_pathconf }, /* pathconf */ |
{ &vop_pathconf_desc, kernfs_pathconf }, /* pathconf */ |
{ &vop_advlock_desc, kernfs_advlock }, /* advlock */ |
{ &vop_advlock_desc, kernfs_advlock }, /* advlock */ |
{ &vop_blkatoff_desc, kernfs_blkatoff }, /* blkatoff */ |
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{ &vop_valloc_desc, kernfs_valloc }, /* valloc */ |
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{ &vop_vfree_desc, kernfs_vfree }, /* vfree */ |
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{ &vop_truncate_desc, kernfs_truncate }, /* truncate */ |
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{ &vop_update_desc, kernfs_update }, /* update */ |
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{ &vop_bwrite_desc, kernfs_bwrite }, /* bwrite */ |
{ &vop_bwrite_desc, kernfs_bwrite }, /* bwrite */ |
{ &vop_putpages_desc, kernfs_putpages }, /* putpages */ |
{ &vop_putpages_desc, kernfs_putpages }, /* putpages */ |
{ NULL, NULL } |
{ NULL, NULL } |
Line 328 kernfs_try_fileop(kfstype type, kfsfileo |
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Line 316 kernfs_try_fileop(kfstype type, kfsfileo |
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} |
} |
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int |
int |
kernfs_try_xwrite(kfstype type, const struct kernfs_node *kfs, char *buf, |
kernfs_try_xwrite(kfstype type, const struct kernfs_node *kfs, char *bf, |
size_t len, int error) |
size_t len, int error) |
{ |
{ |
struct kernfs_fileop *kf, skf; |
struct kernfs_fileop *kf, skf; |
Line 337 kernfs_try_xwrite(kfstype type, const st |
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Line 325 kernfs_try_xwrite(kfstype type, const st |
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skf.kf_fileop = KERNFS_XWRITE; |
skf.kf_fileop = KERNFS_XWRITE; |
if ((kf = SPLAY_FIND(kfsfileoptree, &kfsfileoptree, &skf))) |
if ((kf = SPLAY_FIND(kfsfileoptree, &kfsfileoptree, &skf))) |
if (kf->kf_xwrite) |
if (kf->kf_xwrite) |
return kf->kf_xwrite(kfs, buf, len); |
return kf->kf_xwrite(kfs, bf, len); |
return error; |
return error; |
} |
} |
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Line 531 kernfs_xread(kfs, off, bufp, len, wrlen) |
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Line 519 kernfs_xread(kfs, off, bufp, len, wrlen) |
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} |
} |
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static int |
static int |
kernfs_xwrite(kfs, buf, len) |
kernfs_xwrite(kfs, bf, len) |
const struct kernfs_node *kfs; |
const struct kernfs_node *kfs; |
char *buf; |
char *bf; |
size_t len; |
size_t len; |
{ |
{ |
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switch (kfs->kfs_type) { |
switch (kfs->kfs_type) { |
case KFShostname: |
case KFShostname: |
if (buf[len-1] == '\n') |
if (bf[len-1] == '\n') |
--len; |
--len; |
memcpy(hostname, buf, len); |
memcpy(hostname, bf, len); |
hostname[len] = '\0'; |
hostname[len] = '\0'; |
hostnamelen = (size_t) len; |
hostnamelen = (size_t) len; |
return (0); |
return (0); |
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default: |
default: |
return kernfs_try_xwrite(kfs->kfs_type, kfs, buf, len, EIO); |
return kernfs_try_xwrite(kfs->kfs_type, kfs, bf, len, EIO); |
} |
} |
} |
} |
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Line 819 kernfs_getattr(v) |
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Line 807 kernfs_getattr(v) |
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struct kernfs_subdir *ks; |
struct kernfs_subdir *ks; |
struct vattr *vap = ap->a_vap; |
struct vattr *vap = ap->a_vap; |
int error = 0; |
int error = 0; |
char strbuf[KSTRING], *buf; |
char strbuf[KSTRING], *bf; |
size_t nread, total; |
size_t nread, total; |
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VATTR_NULL(vap); |
VATTR_NULL(vap); |
Line 835 kernfs_getattr(v) |
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Line 823 kernfs_getattr(v) |
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* Make all times be current TOD, except for the "boottime" node. |
* Make all times be current TOD, except for the "boottime" node. |
* Avoid microtime(9), it's slow. |
* Avoid microtime(9), it's slow. |
* We don't guard the read from time(9) with splclock(9) since we |
* We don't guard the read from time(9) with splclock(9) since we |
* don't actually need to be THAT sure the access is atomic. |
* don't actually need to be THAT sure the access is atomic. |
*/ |
*/ |
if (kfs->kfs_kt && kfs->kfs_kt->kt_namlen == 8 && |
if (kfs->kfs_kt && kfs->kfs_kt->kt_namlen == 8 && |
!memcmp(kfs->kfs_kt->kt_name, "boottime", 8)) { |
!memcmp(kfs->kfs_kt->kt_name, "boottime", 8)) { |
TIMEVAL_TO_TIMESPEC(&boottime, &vap->va_ctime); |
TIMEVAL_TO_TIMESPEC(&boottime, &vap->va_ctime); |
} else { |
} else { |
Line 881 kernfs_getattr(v) |
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Line 869 kernfs_getattr(v) |
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vap->va_nlink = 1; |
vap->va_nlink = 1; |
total = 0; |
total = 0; |
do { |
do { |
buf = strbuf; |
bf = strbuf; |
error = kernfs_xread(kfs, total, &buf, |
error = kernfs_xread(kfs, total, &bf, |
sizeof(strbuf), &nread); |
sizeof(strbuf), &nread); |
total += nread; |
total += nread; |
} while (error == 0 && nread != 0); |
} while (error == 0 && nread != 0); |
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} */ *ap = v; |
} */ *ap = v; |
struct uio *uio = ap->a_uio; |
struct uio *uio = ap->a_uio; |
struct kernfs_node *kfs = VTOKERN(ap->a_vp); |
struct kernfs_node *kfs = VTOKERN(ap->a_vp); |
char strbuf[KSTRING], *buf; |
char strbuf[KSTRING], *bf; |
off_t off; |
off_t off; |
size_t len; |
size_t len; |
int error; |
int error; |
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if (ap->a_vp->v_type == VDIR) |
if (ap->a_vp->v_type == VDIR) |
return (EOPNOTSUPP); |
return (EOPNOTSUPP); |
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/* Don't allow negative offsets */ |
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if (uio->uio_offset < 0) |
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return EINVAL; |
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off = uio->uio_offset; |
off = uio->uio_offset; |
buf = strbuf; |
bf = strbuf; |
if ((error = kernfs_xread(kfs, off, &buf, sizeof(strbuf), &len)) == 0) |
if ((error = kernfs_xread(kfs, off, &bf, sizeof(strbuf), &len)) == 0) |
error = uiomove(buf, len, uio); |
error = uiomove(bf, len, uio); |
return (error); |
return (error); |
} |
} |
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Line 1012 kernfs_ioctl(v) |
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Line 1004 kernfs_ioctl(v) |
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EPASSTHROUGH); |
EPASSTHROUGH); |
} |
} |
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int |
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kernfs_mmap(v) |
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void *v; |
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{ |
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struct vop_mmap_args /* { |
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const struct vnodeop_desc *a_desc; |
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struct vnode *a_vp; |
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int a_fflags; |
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struct ucred *a_cred; |
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struct proc *a_p; |
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} */ *ap = v; |
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struct kernfs_node *kfs = VTOKERN(ap->a_vp); |
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return kernfs_try_fileop(kfs->kfs_type, KERNFS_FILEOP_MMAP, v, 0); |
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} |
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static int |
static int |
kernfs_setdirentfileno_kt(struct dirent *d, const struct kern_target *kt, |
kernfs_setdirentfileno_kt(struct dirent *d, const struct kern_target *kt, |
u_int32_t value, struct vop_readdir_args *ap) |
u_int32_t value, struct vop_readdir_args *ap) |
Line 1507 kernfs_print(v) |
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Line 1483 kernfs_print(v) |
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} |
} |
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int |
int |
kernfs_link(v) |
kernfs_link(v) |
void *v; |
void *v; |
{ |
{ |
struct vop_link_args /* { |
struct vop_link_args /* { |
struct vnode *a_dvp; |
struct vnode *a_dvp; |
struct vnode *a_vp; |
struct vnode *a_vp; |
struct componentname *a_cnp; |
struct componentname *a_cnp; |
} */ *ap = v; |
} */ *ap = v; |
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VOP_ABORTOP(ap->a_dvp, ap->a_cnp); |
VOP_ABORTOP(ap->a_dvp, ap->a_cnp); |
vput(ap->a_dvp); |
vput(ap->a_dvp); |
return (EROFS); |
return (EROFS); |
Line 1532 kernfs_symlink(v) |
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Line 1508 kernfs_symlink(v) |
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struct vattr *a_vap; |
struct vattr *a_vap; |
char *a_target; |
char *a_target; |
} */ *ap = v; |
} */ *ap = v; |
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VOP_ABORTOP(ap->a_dvp, ap->a_cnp); |
VOP_ABORTOP(ap->a_dvp, ap->a_cnp); |
vput(ap->a_dvp); |
vput(ap->a_dvp); |
return (EROFS); |
return (EROFS); |