Konstantin Belousov f36aa2b792 Pass MNTK_NO_IOPF and MNTK_UNMAPPED_BUFS flags from the lower ... filesystem to the nullfs mount. MNTK_NO_IOPF must be present on the nullfs struct mount so that struct file fo_read and fo_write fops operate in the mode requested by the lower mount. MNTK_UNMAPPED_BUFS allows VOP_GETPAGES() to use unmapped buffers. It does not matter for VOP_GETPAGES() calls from vm_fault() since handle of the vm_object always points to the lower vnode. But it may be useful for other situations where VOP_GETPAGES() is used. Tested by: pho Sponsored by: The FreeBSD Foundation MFC after: 2 weeks		2016-03-04 17:24:28 +00:00
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null_subr.c	Convert nullfs hash lock from a mutex to an rwlock.	2014-12-30 21:41:35 +00:00
null_vfsops.c	Pass MNTK_NO_IOPF and MNTK_UNMAPPED_BUFS flags from the lower	2016-03-04 17:24:28 +00:00
null_vnops.c	After nullfs rmdir operation, reclaim the directory vnode which was	2016-02-17 19:43:03 +00:00
null.h