Konstantin Belousov f7af6e5e54 nullfs: provide custom bypass for VOP_READ_PGCACHE(). ... Normal bypass expects locked vnode, which is not true for VOP_READ_PGCACHE(). Ensure liveness of the lower vnode by taking the upper vnode interlock, which is also taked by null_reclaim() when setting v_data to NULL. Reported and tested by: pho Reviewed by: markj, mjg Sponsored by: The FreeBSD Foundation Differential revision: https://reviews.freebsd.org/D27327		2020-11-26 18:16:32 +00:00
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null.h	Save lower root vnode in nullfs mnt data instead of upper.	2020-01-28 11:29:06 +00:00
null_subr.c	VMIO reads: enable for nullfs upper vnode if the lower vnode supports it.	2020-08-16 21:05:56 +00:00
null_vfsops.c	Make it possible to mount nullfs(5) using plain mount(8)	2020-10-29 15:28:15 +00:00
null_vnops.c	nullfs: provide custom bypass for VOP_READ_PGCACHE().	2020-11-26 18:16:32 +00:00