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diff --git a/share/man/man9/vn_deallocate.9 b/share/man/man9/vn_deallocate.9
--- a/share/man/man9/vn_deallocate.9
+++ b/share/man/man9/vn_deallocate.9
@@ -27,7 +27,7 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
-.Dd Jul 30, 2021
+.Dd August 11, 2021
.Dt VN_DEALLOCATE 9
.Os
.Sh NAME
@@ -42,7 +42,7 @@
.Fa "off_t *offset"
.Fa "off_t *length"
.Fa "int flags"
-.Fa "int ioflg"
+.Fa "int ioflag"
.Fa "struct ucred *active_cred"
.Fa "struct ucred *file_cred"
.Fc
@@ -66,7 +66,7 @@
.It Fa flags
The control flags of the operation.
This should be set to 0 for now.
-.It Fa ioflg
+.It Fa ioflag
The control flags of vnode locking.
.It Fa active_cred
The user credentials of the calling thread.
@@ -75,7 +75,7 @@
.El
.Pp
The
-.Fn ioflg
+.Fn ioflag
argument may be one or more of the following flags:
.Bl -tag -width IO_RANGELOCKED
.It Dv IO_NODELOCKED
diff --git a/sys/kern/vfs_vnops.c b/sys/kern/vfs_vnops.c
--- a/sys/kern/vfs_vnops.c
+++ b/sys/kern/vfs_vnops.c
@@ -3447,7 +3447,7 @@
static int
vn_deallocate_impl(struct vnode *vp, off_t *offset, off_t *length, int flags,
- int ioflg, struct ucred *active_cred, struct ucred *file_cred)
+ int ioflag, struct ucred *active_cred, struct ucred *file_cred)
{
struct mount *mp;
void *rl_cookie;
@@ -3463,7 +3463,7 @@
off = *offset;
len = *length;
- if ((ioflg & (IO_NODELOCKED|IO_RANGELOCKED)) == 0)
+ if ((ioflag & (IO_NODELOCKED | IO_RANGELOCKED)) == 0)
rl_cookie = vn_rangelock_wlock(vp, off, off + len);
while (len > 0 && error == 0) {
/*
@@ -3473,7 +3473,7 @@
* pass.
*/
- if ((ioflg & IO_NODELOCKED) == 0) {
+ if ((ioflag & IO_NODELOCKED) == 0) {
bwillwrite();
if ((error = vn_start_write(vp, &mp,
V_WAIT | PCATCH)) != 0)
@@ -3488,7 +3488,7 @@
#endif
#ifdef MAC
- if ((ioflg & IO_NOMACCHECK) == 0)
+ if ((ioflag & IO_NOMACCHECK) == 0)
error = mac_vnode_check_write(active_cred, file_cred,
vp);
#endif
@@ -3496,7 +3496,7 @@
error = VOP_DEALLOCATE(vp, &off, &len, flags,
active_cred);
- if ((ioflg & IO_NODELOCKED) == 0) {
+ if ((ioflag & IO_NODELOCKED) == 0) {
VOP_UNLOCK(vp);
if (mp != NULL) {
vn_finished_write(mp);
@@ -3514,7 +3514,7 @@
int
vn_deallocate(struct vnode *vp, off_t *offset, off_t *length, int flags,
- int ioflg, struct ucred *active_cred, struct ucred *file_cred)
+ int ioflag, struct ucred *active_cred, struct ucred *file_cred)
{
if (*offset < 0 || *length <= 0 || *length > OFF_MAX - *offset ||
flags != 0)
@@ -3522,7 +3522,7 @@
if (vp->v_type != VREG)
return (ENODEV);
- return (vn_deallocate_impl(vp, offset, length, flags, ioflg,
+ return (vn_deallocate_impl(vp, offset, length, flags, ioflag,
active_cred, file_cred));
}

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