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[PATCH 15/20] read-cache.c: split racy stat test to a separate function

From
Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Date
May 7, 2014, 14:51 UTC
Message-ID
<1399474320-6840-16-git-send-email-pclouds@gmail.com>
In-Reply-To
<1399474320-6840-1-git-send-email-pclouds@gmail.com>
---
 read-cache.c | 24 +++++++++++++++---------
 1 file changed, 15 insertions(+), 9 deletions(-)
diff --git a/read-cache.c b/read-cache.c
index 66c2279..72adcd6 100644
--- a/read-cache.c
+++ b/read-cache.c
@@ -258,20 +258,26 @@ static int ce_match_stat_basic(const struct cache_entry *ce, struct stat *st)
 	return changed;
 }
 
-static int is_racy_timestamp(const struct index_state *istate,
-			     const struct cache_entry *ce)
+static int is_racy_stat(const struct index_state *istate,
+			const struct stat_data *sd)
 {
-	return (!S_ISGITLINK(ce->ce_mode) &&
-		istate->timestamp.sec &&
+	return (istate->timestamp.sec &&
 #ifdef USE_NSEC
 		 /* nanosecond timestamped files can also be racy! */
-		(istate->timestamp.sec < ce->ce_stat_data.sd_mtime.sec ||
-		 (istate->timestamp.sec == ce->ce_stat_data.sd_mtime.sec &&
-		  istate->timestamp.nsec <= ce->ce_stat_data.sd_mtime.nsec))
+		(istate->timestamp.sec < sd->sd_mtime.sec ||
+		 (istate->timestamp.sec == sd->sd_mtime.sec &&
+		  istate->timestamp.nsec <= sd->sd_mtime.nsec))
 #else
-		istate->timestamp.sec <= ce->ce_stat_data.sd_mtime.sec
+		istate->timestamp.sec <= sd->sd_mtime.sec
 #endif
-		 );
+		);
+}
+
+static int is_racy_timestamp(const struct index_state *istate,
+			     const struct cache_entry *ce)
+{
+	return (!S_ISGITLINK(ce->ce_mode) &&
+		is_racy_stat(istate, &ce->ce_stat_data));
 }
 
 int ie_match_stat(const struct index_state *istate,
-- 
1.9.1.346.ga2b5940
Previous: Nguyễn Thái Ngọc DuyNext: Nguyễn Thái Ngọc Duy
Message 16 of 21 in “Untracked cache to speed up "git status"”
  1. 00/20 Untracked cache to speed up "git status"Nguyễn Thái Ngọc Duy, May 7, 2014
  2. 01/20 dir.c: coding style fixNguyễn Thái Ngọc Duy, May 7, 2014
  3. 02/20 dir.h: move struct exclude declaration to top levelNguyễn Thái Ngọc Duy, May 7, 2014
  4. 03/20 prep_exclude: remove the artificial PATH_MAX limitNguyễn Thái Ngọc Duy, May 7, 2014
  5. 04/20 dir.c: optionally compute sha-1 of a .gitignore fileNguyễn Thái Ngọc Duy, May 7, 2014
  6. 05/20 untracked cache: record .gitignore information and dir hierarchyNguyễn Thái Ngọc Duy, May 7, 2014
  7. 06/20 untracked cache: initial untracked cache validationNguyễn Thái Ngọc Duy, May 7, 2014
  8. 07/20 untracked cache: invalidate dirs recursively if .gitignore changesNguyễn Thái Ngọc Duy, May 7, 2014
  9. 08/20 untracked cache: record/validate dir mtime and reuse cached outputNguyễn Thái Ngọc Duy, May 7, 2014
  10. 09/20 untracked cache: mark what dirs should be recursed/savedNguyễn Thái Ngọc Duy, May 7, 2014
  11. 10/20 untracked cache: don't open non-existent .gitignoreNguyễn Thái Ngọc Duy, May 7, 2014
  12. 11/20 untracked cache: save to an index extensionNguyễn Thái Ngọc Duy, May 7, 2014
  13. 12/20 untracked cache: load from UNTR index extensionNguyễn Thái Ngọc Duy, May 7, 2014
  14. 13/20 untracked cache: invalidate at index addition or removalNguyễn Thái Ngọc Duy, May 7, 2014
  15. 14/20 untracked cache: print untracked statistics with $GIT_TRACE_UNTRACKEDNguyễn Thái Ngọc Duy, May 7, 2014
  16. 15/20 read-cache.c: split racy stat test to a separate functionNguyễn Thái Ngọc Duy, May 7, 2014
  17. 16/20 untracked cache: avoid racy timestampsNguyễn Thái Ngọc Duy, May 7, 2014
  18. 17/20 status: support untracked cacheNguyễn Thái Ngọc Duy, May 7, 2014
  19. 18/20 update-index: manually enable or disable untracked cacheNguyễn Thái Ngọc Duy, May 7, 2014
  20. 19/20 update-index: test the system before enabling untracked cacheNguyễn Thái Ngọc Duy, May 7, 2014
  21. 20/20 t7063: tests for untracked cacheNguyễn Thái Ngọc Duy, May 7, 2014

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