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Pick up the inode number using VOP_GETATTR() rather than caching it

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in all vnodes on the off chance that linprocfs needs it.  If we can afford
to call vn_fullpath() we can afford the much cheaper VOP_GETATTR().
This commit is contained in:
Poul-Henning Kamp 2004-11-10 07:25:37 +00:00
parent c13a4e8820
commit 7689860fd5
1 changed files with 6 additions and 4 deletions
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10
sys/compat/linprocfs/linprocfs.c
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@ -830,6 +830,8 @@ linprocfs_doprocmaps(PFS_FILL_ARGS)
ino_t ino;
int ref_count, shadow_count, flags;
int error;
struct vnode *vp;
struct vattr vat;
PROC_LOCK(p);
error = p_candebug(td, p);
@ -858,13 +860,13 @@ linprocfs_doprocmaps(PFS_FILL_ARGS)
lobj = tobj;
ino = 0;
if (lobj) {
vp = lobj->handle;
VM_OBJECT_LOCK(lobj);
off = IDX_TO_OFF(lobj->size);
if (lobj->type == OBJT_VNODE && lobj->handle) {
vn_fullpath(td, (struct vnode *)lobj->handle,
&name, &freename);
ino = ((struct vnode *)
lobj->handle)->v_cachedid;
vn_fullpath(td, vp, &name, &freename);
VOP_GETATTR(vp, &vat, td->td_ucred, td);
ino = vat.va_fileid;
}
flags = obj->flags;
ref_count = obj->ref_count;