CVS log for src/sys/sys/proc.h

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Default branch: MAIN
Current tag: netbsd-1-5-BETA

Revision 1.98.2.2 / (download) - annotate - [select for diffs], Wed Sep 6 08:41:41 2000 UTC (23 years, 7 months ago) by bouyer
Branch: netbsd-1-5
CVS Tags: netbsd-1-5-RELEASE, netbsd-1-5-PATCH002, netbsd-1-5-PATCH001, netbsd-1-5-BETA2, netbsd-1-5-BETA
Changes since 1.98.2.1: +2 -1 lines
Diff to previous 1.98.2.1 (colored) to branchpoint 1.98 (colored)

Pull up (approved by thorpej):
sys/proc.h 1.104 -> 1.105
sys/kern/kern_synch.c 1.93 -> 1.94 (via patch to remove SMPism)
sys/kern/vfs_subr.c 1.137 -> 1.138

Add a suspendsched() fuctions, which stops scheduling of users processes
(exept curproc) by putting all SRUN and SSLEEP non-P_SYSTEM processes
in SSTOP state.

In vfs_shutdown() use suspendsched() suspend scheduling, and use tsleep()
instead of DELAY to give kernel threads a chance to run (needed to flush
buffers to a RAID disk). Also, keep trying flushing buffers when the number of
dirty buffers decreases (20 rounds may not be enouth for a very large buffer
cache).

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