Tidy up simonb-wapbl issues section.
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# $NetBSD: BRANCHES,v 1.266 2008/07/28 12:11:17 simonb Exp $
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# $NetBSD: BRANCHES,v 1.267 2008/07/28 13:20:45 simonb Exp $
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#
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# This file contains a list of branches that exist in the NetBSD CVS
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# tree and their current state.
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@ -610,12 +610,6 @@ Scope: src/distrib/sets/lists/comp src/distrib/utils/sysinst
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src/sbin/fsck_ffs src/sbin/fsdb src/sbin/mount_ffs
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src/sbin/tunefs src/usr.sbin/dumpfs src/sys
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Notes: Still has a number of issues:
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- Can't log the root filesystem (or any FS if /dev isn't an
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ffs) or update existing mounts from non-logged to logged.
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See kern/38057 - a fix for the PR has been committed but
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at this stage it doesn't play well with WAPBL.
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- Log must currently live at end of partition.
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- No log locators.
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- Some heavy workload performance issues on SMP machines.
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Work around this issue by turning on WAPBL_DEBUG_SERIALIZE
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in rev 1.1.2.11 of vfs_wapbl.c.
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@ -624,6 +618,7 @@ Notes: Still has a number of issues:
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dd if=/dev/zero of=foox bs=1 count=1 seek=11261748520550
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takes 0:00.00 to remove on my test box without logging and
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0:22.25 to remove with logging. No disk IO during this...
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- sysinst should use in-fs logs now, not end-of-partition logs.
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Branch: thorpej-atomic
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Description: Implementation of an atomic memory operations API modeled
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