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authorLinus Torvalds <torvalds@linux-foundation.org>2008-11-14 00:36:30 (GMT)
committerJunio C Hamano <gitster@pobox.com>2008-11-15 03:11:49 (GMT)
commit671c9b7e315db89081cc69f83a8f405e4aca37bc (patch)
tree0410fb1af855fc65a7d96dd15410db16e41cbc9f /config.c
parenta0d3ab9c277f1a198ec8e29432c0127d4cf719d2 (diff)
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Add cache preload facility
This can do the lstat() storm in parallel, giving potentially much improved performance for cold-cache cases or things like NFS that have weak metadata caching. Just use "read_cache_preload()" instead of "read_cache()" to force an optimistic preload of the index stat data. The function takes a pathspec as its argument, allowing us to preload only the relevant portion of the index. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'config.c')
-rw-r--r--config.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/config.c b/config.c
index 67cc1dc..d2fc8f5 100644
--- a/config.c
+++ b/config.c
@@ -490,6 +490,11 @@ static int git_default_core_config(const char *var, const char *value)
return 0;
}
+ if (!strcmp(var, "core.preloadindex")) {
+ core_preload_index = git_config_bool(var, value);
+ return 0;
+ }
+
/* Add other config variables here and to Documentation/config.txt. */
return 0;
}