freebsd-skq/sys/fs/unionfs
mjg fa60d0fc51 vfs: provide F_ISUNIONSTACK as a kludge for libc
Prior to introduction of this op libc's readdir would call fstatfs(2), in
effect unnecessarily copying kilobytes of data just to check fs name and a
mount flag.

Reviewed by:	kib (previous version)
Differential Revision:	https://reviews.freebsd.org/D23162
2020-01-17 14:42:25 +00:00
..
union_subr.c vfs: drop the mostly unused flags argument from VOP_UNLOCK 2020-01-03 22:29:58 +00:00
union_vfsops.c vfs: provide F_ISUNIONSTACK as a kludge for libc 2020-01-17 14:42:25 +00:00
union_vnops.c vfs: rework vnode list management 2020-01-13 02:37:25 +00:00
union.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00