[PATCH] name-hash: don't add sparse directories in threaded lazy init

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From: Alex Mironov <alexandrfox@xxxxxxxxx>

Similarly to 5f116695864788d1fe45ff06bfad7a71a8d98d0a
make sure to avoid placing sparse directories into the name_hash
hashtable whenever multithreaded initialization is performed.

Sparse directory entries represent a directory that is outside the
sparse-checkout definition. These are not paths to blobs, so should not
be added to the name_hash table as they must never be queried.

Signed-off-by: Alex Mironov <alexandrfox@xxxxxxxxx>
---
    name-hash: don't add sparse directories in threaded lazy init

Published-As: https://github.com/gitgitgadget/git/releases/tag/pr-git-1970%2Falexandrfox%2Ffix-threaded-hash-name-v1
Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-git-1970/alexandrfox/fix-threaded-hash-name-v1
Pull-Request: https://github.com/git/git/pull/1970

 name-hash.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/name-hash.c b/name-hash.c
index d66de1cdfd5..03123a8779a 100644
--- a/name-hash.c
+++ b/name-hash.c
@@ -492,6 +492,9 @@ static void *lazy_name_thread_proc(void *_data)
 	for (k = 0; k < d->istate->cache_nr; k++) {
 		struct cache_entry *ce_k = d->istate->cache[k];
 		ce_k->ce_flags |= CE_HASHED;
+		if (S_ISSPARSEDIR(ce_k->ce_mode)) {
+			continue;
+		}
 		hashmap_entry_init(&ce_k->ent, d->lazy_entries[k].hash_name);
 		hashmap_add(&d->istate->name_hash, &ce_k->ent);
 	}

base-commit: 8613c2bb6cd16ef530dc5dd74d3b818a1ccbf1c0
-- 
gitgitgadget




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