diff options
Diffstat (limited to 'sys/kern/vfs_default.c')
| -rw-r--r-- | sys/kern/vfs_default.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/sys/kern/vfs_default.c b/sys/kern/vfs_default.c index 86ab01e..b80d03d 100644 --- a/sys/kern/vfs_default.c +++ b/sys/kern/vfs_default.c @@ -83,12 +83,17 @@ static int dirent_exists(struct vnode *vp, const char *dirname, * * If there is no specific entry here, we will return EOPNOTSUPP. * + * Note that every filesystem has to implement either vop_access + * or vop_accessx; failing to do so will result in immediate crash + * due to stack overflow, as vop_stdaccess() calls vop_stdaccessx(), + * which calls vop_stdaccess() etc. */ struct vop_vector default_vnodeops = { .vop_default = NULL, .vop_bypass = VOP_EOPNOTSUPP, + .vop_access = vop_stdaccess, .vop_accessx = vop_stdaccessx, .vop_advlock = vop_stdadvlock, .vop_advlockasync = vop_stdadvlockasync, @@ -326,6 +331,16 @@ out: } int +vop_stdaccess(struct vop_access_args *ap) +{ + + KASSERT((ap->a_accmode & ~(VEXEC | VWRITE | VREAD | VADMIN | + VAPPEND)) == 0, ("invalid bit in accmode")); + + return (VOP_ACCESSX(ap->a_vp, ap->a_accmode, ap->a_cred, ap->a_td)); +} + +int vop_stdaccessx(struct vop_accessx_args *ap) { int error; |
