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From: "Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>
To: git@vger.kernel.org
Cc: "Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>
Subject: [PATCH 15/20] read-cache.c: split racy stat test to a separate function
Date: Wed,  7 May 2014 21:51:55 +0700	[thread overview]
Message-ID: <1399474320-6840-16-git-send-email-pclouds@gmail.com> (raw)
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

  parent reply	other threads:[~2014-05-07 14:53 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-07 14:51 [PATCH 00/20] Untracked cache to speed up "git status" Nguyễn Thái Ngọc Duy
2014-05-07 14:51 ` [PATCH 01/20] dir.c: coding style fix Nguyễn Thái Ngọc Duy
2014-05-07 14:51 ` [PATCH 02/20] dir.h: move struct exclude declaration to top level Nguyễn Thái Ngọc Duy
2014-05-07 14:51 ` [PATCH 03/20] prep_exclude: remove the artificial PATH_MAX limit Nguyễn Thái Ngọc Duy
2014-05-07 14:51 ` [PATCH 04/20] dir.c: optionally compute sha-1 of a .gitignore file Nguyễn Thái Ngọc Duy
2014-05-07 14:51 ` [PATCH 05/20] untracked cache: record .gitignore information and dir hierarchy Nguyễn Thái Ngọc Duy
2014-05-07 14:51 ` [PATCH 06/20] untracked cache: initial untracked cache validation Nguyễn Thái Ngọc Duy
2014-05-07 14:51 ` [PATCH 07/20] untracked cache: invalidate dirs recursively if .gitignore changes Nguyễn Thái Ngọc Duy
2014-05-07 14:51 ` [PATCH 08/20] untracked cache: record/validate dir mtime and reuse cached output Nguyễn Thái Ngọc Duy
2014-05-07 14:51 ` [PATCH 09/20] untracked cache: mark what dirs should be recursed/saved Nguyễn Thái Ngọc Duy
2014-05-07 14:51 ` [PATCH 10/20] untracked cache: don't open non-existent .gitignore Nguyễn Thái Ngọc Duy
2014-05-07 14:51 ` [PATCH 11/20] untracked cache: save to an index extension Nguyễn Thái Ngọc Duy
2014-05-07 14:51 ` [PATCH 12/20] untracked cache: load from UNTR " Nguyễn Thái Ngọc Duy
2014-05-07 14:51 ` [PATCH 13/20] untracked cache: invalidate at index addition or removal Nguyễn Thái Ngọc Duy
2014-05-07 14:51 ` [PATCH 14/20] untracked cache: print untracked statistics with $GIT_TRACE_UNTRACKED Nguyễn Thái Ngọc Duy
2014-05-07 14:51 ` Nguyễn Thái Ngọc Duy [this message]
2014-05-07 14:51 ` [PATCH 16/20] untracked cache: avoid racy timestamps Nguyễn Thái Ngọc Duy
2014-05-07 14:51 ` [PATCH 17/20] status: support untracked cache Nguyễn Thái Ngọc Duy
2014-05-07 14:51 ` [PATCH 18/20] update-index: manually enable or disable " Nguyễn Thái Ngọc Duy
2014-05-07 14:51 ` [PATCH 19/20] update-index: test the system before enabling " Nguyễn Thái Ngọc Duy
2014-05-07 14:52 ` [PATCH 20/20] t7063: tests for " Nguyễn Thái Ngọc Duy

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