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| author | jlemon <jlemon@FreeBSD.org> | 2001-02-23 20:06:01 +0000 |
|---|---|---|
| committer | jlemon <jlemon@FreeBSD.org> | 2001-02-23 20:06:01 +0000 |
| commit | 58f9dcd6ced7e1926fc1dae75119651b0913fca2 (patch) | |
| tree | f038a4ecc3cbcbcd9165f41d13c01ce15885d48c /sys/kern/vfs_export.c | |
| parent | 256c4acb0bc88fef2e92bd0e4598774aa206e63c (diff) | |
| download | FreeBSD-src-58f9dcd6ced7e1926fc1dae75119651b0913fca2.zip FreeBSD-src-58f9dcd6ced7e1926fc1dae75119651b0913fca2.tar.gz | |
Add a NOTE_REVOKE flag for vnodes, which is triggered from within vclean().
Use this to tell a filter attached to a vnode that the underlying vnode is
no longer valid, by returning EV_EOF.
PR: kern/25309, kern/25206
Diffstat (limited to 'sys/kern/vfs_export.c')
| -rw-r--r-- | sys/kern/vfs_export.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/kern/vfs_export.c b/sys/kern/vfs_export.c index 3c99779..f10edb2 100644 --- a/sys/kern/vfs_export.c +++ b/sys/kern/vfs_export.c @@ -53,6 +53,7 @@ #include <sys/dirent.h> #include <sys/domain.h> #include <sys/eventhandler.h> +#include <sys/event.h> #include <sys/fcntl.h> #include <sys/kernel.h> #include <sys/kthread.h> @@ -2745,6 +2746,9 @@ vn_pollevent(vp, events) mtx_unlock(&vp->v_pollinfo.vpi_lock); } +#define VN_KNOTE(vp, b) \ + KNOTE((struct klist *)&vp->v_pollinfo.vpi_selinfo.si_note, (b)) + /* * Wake up anyone polling on vp because it is being revoked. * This depends on dead_poll() returning POLLHUP for correct @@ -2755,6 +2759,7 @@ vn_pollgone(vp) struct vnode *vp; { mtx_lock(&vp->v_pollinfo.vpi_lock); + VN_KNOTE(vp, NOTE_REVOKE); if (vp->v_pollinfo.vpi_events) { vp->v_pollinfo.vpi_events = 0; selwakeup(&vp->v_pollinfo.vpi_selinfo); |
