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Diffstat (limited to 'libdiskfs/ChangeLog')
| -rw-r--r-- | libdiskfs/ChangeLog | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/libdiskfs/ChangeLog b/libdiskfs/ChangeLog index 3ae2e004..a0d446e8 100644 --- a/libdiskfs/ChangeLog +++ b/libdiskfs/ChangeLog @@ -1,3 +1,60 @@ +Tue Sep 3 10:48:05 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> + + * name-cache.c (diskfs_enter_lookup_cache): Cache `.' and `..' + just like other nodes. + (diskfs_check_lookup_cache): If we get a cache hit on `..', then + do the inverse locking semantic, and only return success if things + are stable around the call. + +Fri Aug 30 21:57:18 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> + + * lookup.c (cache_misses): New variable, to find out what sort of + thing all the cache misses are. + (cm_lock): New variable. + (diskfs_lookup): Keep track of cache misses in cache_misses. + + * name-cache.c (MAXCACHE): 200 now. After experimentation, this + appears to be a pretty good value. Very little benefit after + this. + +Fri Aug 30 20:41:27 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> + + * name-cache.c (struct lookup_cache): Delete member `hits'. + New member `stati'. + (diskfs_enter_lookup_cache): Don't initialize C->hits. + (find_cache): Set C->stati before returning. + (build_partial): Delete function. + (diskfs_check_lookup_cache): Delete calls to build_partial. + Register all statistics through register_neg_hit, + register_pos_hit, and register_miss. + (MAXCACHE): 2000 now. + +Wed Aug 28 12:20:53 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> + + * name-cache.c (MAXCACHE): 500 for now. + +Mon Aug 26 15:10:55 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> + + * name-cache.c (MAXCACHE): Increase to 50000. + (struct lookup_cache): New member `hits'. + (statistics): Name struct type `struct stats'. + (diskfs_enter_lookup_cache): Initialize C->hits. + (PARTIAL_THRESH, NPARTIALS): New macros. + (partial_stats): New variable. + (build_partial): New function. + (diskfs_check_lookup_cache): Call build_partial after statistics + frobbing. + + * name-cache.c (diskfs_check_lookup_cache): Increment members of + statistics while still holding CACHE_LOCK. + +Fri Aug 16 18:23:25 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> + + * name-cache.c (diskfs_check_lookup_cache): Keep track of negative + hits properly. + * lookup.c (diskfs_lookup): On LOOKUPs that fail to find the node, + enter a negative cache entry. + Thu Aug 15 16:07:23 1996 Miles Bader <miles@gnu.ai.mit.edu> * opts-version.c (diskfs_extra_version): New (weak) reference. |