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| author | Konstantin Belousov <kib@FreeBSD.org> | 2020-11-13 09:31:57 +0000 |
|---|---|---|
| committer | Konstantin Belousov <kib@FreeBSD.org> | 2020-11-13 09:31:57 +0000 |
| commit | 7cde2ec4fdb20cac4f1f1fff1a8604028b36b42c (patch) | |
| tree | 64dddc41982cc0a2880c9f157184a728da83a43b /sys/sys | |
| parent | 5dc463f9a5abf311e886e0000e5df1428415bbbf (diff) | |
| download | src-7cde2ec4fdb20cac4f1f1fff1a8604028b36b42c.tar.gz src-7cde2ec4fdb20cac4f1f1fff1a8604028b36b42c.zip | |
Implement vn_lock_pair().
In collaboration with: pho
Reviewed by: mckusick (previous version), markj (previous version)
Tested by: markj (syzkaller), pho
Sponsored by: The FreeBSD Foundation
Differential revision: https://reviews.freebsd.org/D26136
Notes
Notes:
svn path=/head/; revision=367631
Diffstat (limited to 'sys/sys')
| -rw-r--r-- | sys/sys/vnode.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/sys/vnode.h b/sys/sys/vnode.h index 735968cbafac..b2265e34fac0 100644 --- a/sys/sys/vnode.h +++ b/sys/sys/vnode.h @@ -729,6 +729,8 @@ bool vn_isdisk_error(struct vnode *vp, int *errp); bool vn_isdisk(struct vnode *vp); int _vn_lock(struct vnode *vp, int flags, const char *file, int line); #define vn_lock(vp, flags) _vn_lock(vp, flags, __FILE__, __LINE__) +void vn_lock_pair(struct vnode *vp1, bool vp1_locked, struct vnode *vp2, + bool vp2_locked); int vn_open(struct nameidata *ndp, int *flagp, int cmode, struct file *fp); int vn_open_cred(struct nameidata *ndp, int *flagp, int cmode, u_int vn_open_flags, struct ucred *cred, struct file *fp); |