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Make Linux stat(2) et al distinguish between block and character

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devices.  It's required for LTP, among other things.  It's not
complete, but good enough for now.

Reviewed by:	kib
MFC after:	2 weeks
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D22950
This commit is contained in:
Edward Tomasz Napierala 2019-12-29 13:54:02 +00:00
parent dc04811c2c
commit 273ce4ae1b
1 changed files with 9 additions and 0 deletions
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9
sys/compat/linux/linux_stats.c
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@ -65,6 +65,11 @@ translate_vnhook_major_minor(struct vnode *vp, struct stat *sb)
{
int major, minor;
if (vn_isdisk(vp, NULL)) {
sb->st_mode &= ~S_IFMT;
sb->st_mode |= S_IFBLK;
}
if (vp->v_type == VCHR && vp->v_rdev != NULL &&
linux_driver_get_major_minor(devtoname(vp->v_rdev),
&major, &minor) == 0) {
@ -114,6 +119,10 @@ translate_fd_major_minor(struct thread *td, int fd, struct stat *buf)
fget(td, fd, &cap_no_rights, &fp) != 0)
return;
vp = fp->f_vnode;
if (vp != NULL && vn_isdisk(vp, NULL)) {
buf->st_mode &= ~S_IFMT;
buf->st_mode |= S_IFBLK;
}
if (vp != NULL && vp->v_rdev != NULL &&
linux_driver_get_major_minor(devtoname(vp->v_rdev),
&major, &minor) == 0) {