diff options
Diffstat (limited to 'sys/kern/vfs_default.c')
| -rw-r--r-- | sys/kern/vfs_default.c | 41 |
1 files changed, 40 insertions, 1 deletions
diff --git a/sys/kern/vfs_default.c b/sys/kern/vfs_default.c index 8b4170f..280623e 100644 --- a/sys/kern/vfs_default.c +++ b/sys/kern/vfs_default.c @@ -44,6 +44,7 @@ __FBSDID("$FreeBSD$"); #include <sys/kernel.h> #include <sys/limits.h> #include <sys/lock.h> +#include <sys/lockf.h> #include <sys/malloc.h> #include <sys/mount.h> #include <sys/mutex.h> @@ -75,7 +76,8 @@ struct vop_vector default_vnodeops = { .vop_default = NULL, .vop_bypass = VOP_EOPNOTSUPP, - .vop_advlock = VOP_EINVAL, + .vop_advlock = vop_stdadvlock, + .vop_advlockasync = vop_stdadvlockasync, .vop_bmap = vop_stdbmap, .vop_close = VOP_NULL, .vop_fsync = VOP_NULL, @@ -201,6 +203,43 @@ vop_nostrategy (struct vop_strategy_args *ap) } /* + * Advisory record locking support + */ +int +vop_stdadvlock(struct vop_advlock_args *ap) +{ + struct vnode *vp = ap->a_vp; + struct thread *td = curthread; + struct vattr vattr; + int error; + + vn_lock(vp, LK_SHARED | LK_RETRY); + error = VOP_GETATTR(vp, &vattr, td->td_ucred, td); + VOP_UNLOCK(vp, 0); + if (error) + return (error); + + return (lf_advlock(ap, &(vp->v_lockf), vattr.va_size)); +} + +int +vop_stdadvlockasync(struct vop_advlockasync_args *ap) +{ + struct vnode *vp = ap->a_vp; + struct thread *td = curthread; + struct vattr vattr; + int error; + + vn_lock(vp, LK_SHARED | LK_RETRY); + error = VOP_GETATTR(vp, &vattr, td->td_ucred, td); + VOP_UNLOCK(vp, 0); + if (error) + return (error); + + return (lf_advlockasync(ap, &(vp->v_lockf), vattr.va_size)); +} + +/* * vop_stdpathconf: * * Standard implementation of POSIX pathconf, to get information about limits |
