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| author | kib <kib@FreeBSD.org> | 2016-05-16 02:35:33 +0000 |
|---|---|---|
| committer | kib <kib@FreeBSD.org> | 2016-05-16 02:35:33 +0000 |
| commit | 1dad0c227ac26ad77961f062129537b9bceefc2f (patch) | |
| tree | 594a6a37165d44b80893f985e8c799e9f5a55520 /sys/kern/vfs_subr.c | |
| parent | ee7dae36d2e61b409a02a5ac1c35d4061b447438 (diff) | |
| download | FreeBSD-src-1dad0c227ac26ad77961f062129537b9bceefc2f.zip FreeBSD-src-1dad0c227ac26ad77961f062129537b9bceefc2f.tar.gz | |
MFC r287831 (by cem):
Note DOOMED vnodes with NOTE_REVOKE.
Diffstat (limited to 'sys/kern/vfs_subr.c')
| -rw-r--r-- | sys/kern/vfs_subr.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c index 699ff7d..63574d8 100644 --- a/sys/kern/vfs_subr.c +++ b/sys/kern/vfs_subr.c @@ -4351,6 +4351,15 @@ vop_mknod_post(void *ap, int rc) } void +vop_reclaim_post(void *ap, int rc) +{ + struct vop_reclaim_args *a = ap; + + if (!rc) + VFS_KNOTE_LOCKED(a->a_vp, NOTE_REVOKE); +} + +void vop_remove_post(void *ap, int rc) { struct vop_remove_args *a = ap; @@ -4647,7 +4656,7 @@ filt_vfsread(struct knote *kn, long hint) * filesystem is gone, so set the EOF flag and schedule * the knote for deletion. */ - if (hint == NOTE_REVOKE) { + if (hint == NOTE_REVOKE || (hint == 0 && vp->v_type == VBAD)) { VI_LOCK(vp); kn->kn_flags |= (EV_EOF | EV_ONESHOT); VI_UNLOCK(vp); @@ -4676,7 +4685,7 @@ filt_vfswrite(struct knote *kn, long hint) * filesystem is gone, so set the EOF flag and schedule * the knote for deletion. */ - if (hint == NOTE_REVOKE) + if (hint == NOTE_REVOKE || (hint == 0 && vp->v_type == VBAD)) kn->kn_flags |= (EV_EOF | EV_ONESHOT); kn->kn_data = 0; @@ -4693,7 +4702,7 @@ filt_vfsvnode(struct knote *kn, long hint) VI_LOCK(vp); if (kn->kn_sfflags & hint) kn->kn_fflags |= hint; - if (hint == NOTE_REVOKE) { + if (hint == NOTE_REVOKE || (hint == 0 && vp->v_type == VBAD)) { kn->kn_flags |= EV_EOF; VI_UNLOCK(vp); return (1); |
