markj d19ba3f89d Check suspendability on the mountpoint returned by VOP_GETWRITEMOUNT. ... This obviates the need for a MNTK_SUSPENDABLE flag, since passthrough filesystems like nullfs and unionfs no longer need to inherit this information from their lower layer(s). This change also restores the pre-r273336 behaviour of using the presence of a susp_clean VFS method to request suspension support. Reviewed by: kib, mjg Differential Revision: https://reviews.freebsd.org/D2937		2015-07-05 22:37:33 +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	Check suspendability on the mountpoint returned by VOP_GETWRITEMOUNT.	2015-07-05 22:37:33 +00:00
null_vnops.c	VOP_LOOKUP() may relock the directory vnode for some reasons. Since	2014-08-08 11:39:05 +00:00
null.h	- Fix nullfs vnode reference leak in nullfs_reclaim_lowervp(). The	2013-05-11 11:17:44 +00:00