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Code Issues Releases Activity

Use the f_vnode field to tell which file descriptors have a vnode.

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This commit is contained in:
Poul-Henning Kamp 2003-07-04 12:20:27 +00:00
parent b941a2beb7
commit 1226914c17
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=117222
3 changed files with 15 additions and 19 deletions
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28
sys/kern/kern_descrip.c
View File

@ -1016,28 +1016,22 @@ fpathconf(td, uap)
td->td_retval[0] = async_io_version;
goto out;
}
switch (fp->f_type) {
case DTYPE_PIPE:
case DTYPE_SOCKET:
if (uap->name != _PC_PIPE_BUF) {
error = EINVAL;
} else {
td->td_retval[0] = PIPE_BUF;
error = 0;
}
break;
case DTYPE_FIFO:
case DTYPE_VNODE:
vp = fp->f_vnode;
vp = fp->f_vnode;
if (vp != NULL) {
mtx_lock(&Giant);
vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, td);
error = VOP_PATHCONF(vp, uap->name, td->td_retval);
VOP_UNLOCK(vp, 0, td);
mtx_unlock(&Giant);
break;
default:
} else if (fp->f_type == DTYPE_PIPE || fp->f_type == DTYPE_SOCKET) {
if (uap->name != _PC_PIPE_BUF) {
error = EINVAL;
} else {
td->td_retval[0] = PIPE_BUF;
error = 0;
}
} else {
error = EOPNOTSUPP;
break;
}
out:
fdrop(fp, td);
@ -1917,7 +1911,7 @@ _fgetvp(struct thread *td, int fd, struct vnode **vpp, int flags)
*vpp = NULL;
if ((error = _fget(td, fd, &fp, 0, 0)) != 0)
return (error);
if (fp->f_type != DTYPE_VNODE && fp->f_type != DTYPE_FIFO) {
if (fp->f_vnode == NULL) {
error = EINVAL;
} else {
*vpp = fp->f_vnode;

3
sys/kern/vfs_extattr.c
View File

@ -3442,7 +3442,7 @@ getvnode(fdp, fd, fpp)
if ((u_int)fd >= fdp->fd_nfiles ||
(fp = fdp->fd_ofiles[fd]) == NULL)
error = EBADF;
else if (fp->f_type != DTYPE_VNODE && fp->f_type != DTYPE_FIFO) {
else if (fp->f_vnode == NULL) {
fp = NULL;
error = EINVAL;
} else {
@ -3454,6 +3454,7 @@ getvnode(fdp, fd, fpp)
*fpp = fp;
return (error);
}
/*
* Get (NFS) file handle
*/

3
sys/kern/vfs_syscalls.c
View File

@ -3442,7 +3442,7 @@ getvnode(fdp, fd, fpp)
if ((u_int)fd >= fdp->fd_nfiles ||
(fp = fdp->fd_ofiles[fd]) == NULL)
error = EBADF;
else if (fp->f_type != DTYPE_VNODE && fp->f_type != DTYPE_FIFO) {
else if (fp->f_vnode == NULL) {
fp = NULL;
error = EINVAL;
} else {
@ -3454,6 +3454,7 @@ getvnode(fdp, fd, fpp)
*fpp = fp;
return (error);
}
/*
* Get (NFS) file handle
*/