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[PATCH v1] refresh_index: remove unnecessary calls to preload_index()




From: Ben Peart <benpeart@xxxxxxxxxxxxx>

With refresh_index() learning to utilize preload_index() to speed up its
operation there is no longer any benefit to having the caller preload the
index first. Remove those unneeded calls by calling read_index() instead of
the preload variant.

There is no measurable performance impact of this patch - the 2nd call to
preload_index() bails out quickly but there is no reason to call it twice.

Signed-off-by: Ben Peart <benpeart@xxxxxxxxxxxxx>
---

Notes:
    Base Ref:
    Web-Diff: https://github.com/benpeart/git/commit/384f7fed53
    Checkout: git fetch https://github.com/benpeart/git no-index-preload-v1 && git checkout 384f7fed53

 builtin/commit.c       | 2 +-
 builtin/describe.c     | 2 +-
 builtin/update-index.c | 2 +-
 sequencer.c            | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/builtin/commit.c b/builtin/commit.c
index 074bd9a551..96d336ec3d 100644
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -1363,7 +1363,7 @@ int cmd_status(int argc, const char **argv, const char *prefix)
 	if (status_format != STATUS_FORMAT_PORCELAIN &&
 	    status_format != STATUS_FORMAT_PORCELAIN_V2)
 		progress_flag = REFRESH_PROGRESS;
-	read_index_preload(&the_index, &s.pathspec, progress_flag);
+	read_index(&the_index);
 	refresh_index(&the_index,
 		      REFRESH_QUIET|REFRESH_UNMERGED|progress_flag,
 		      &s.pathspec, NULL, NULL);
diff --git a/builtin/describe.c b/builtin/describe.c
index c48c34e866..cc118448ee 100644
--- a/builtin/describe.c
+++ b/builtin/describe.c
@@ -629,7 +629,7 @@ int cmd_describe(int argc, const char **argv, const char *prefix)
 			struct argv_array args = ARGV_ARRAY_INIT;
 			int fd, result;
 
-			read_cache_preload(NULL);
+			read_cache();
 			refresh_index(&the_index, REFRESH_QUIET|REFRESH_UNMERGED,
 				      NULL, NULL, NULL);
 			fd = hold_locked_index(&index_lock, 0);
diff --git a/builtin/update-index.c b/builtin/update-index.c
index 07c10bcb7d..0e1dcf0438 100644
--- a/builtin/update-index.c
+++ b/builtin/update-index.c
@@ -782,7 +782,7 @@ struct refresh_params {
 static int refresh(struct refresh_params *o, unsigned int flag)
 {
 	setup_work_tree();
-	read_cache_preload(NULL);
+	read_cache();
 	*o->has_errors |= refresh_cache(o->flags | flag);
 	return 0;
 }
diff --git a/sequencer.c b/sequencer.c
index 9e1ab3a2a7..ab2048ac3a 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -1919,7 +1919,7 @@ static int read_and_refresh_cache(struct replay_opts *opts)
 {
 	struct lock_file index_lock = LOCK_INIT;
 	int index_fd = hold_locked_index(&index_lock, 0);
-	if (read_index_preload(&the_index, NULL, 0) < 0) {
+	if (read_index(&the_index) < 0) {
 		rollback_lock_file(&index_lock);
 		return error(_("git %s: failed to read the index"),
 			_(action_name(opts)));

base-commit: 095c8dc8c2a9d61783dbae79a7f6e8d80092696f
-- 
2.18.0.windows.1