[PATCH] erofs-utils: optimize pthread_cond_signal calling

[Noboru Asai]

Call pthread_cond_signal once per file.

Signed-off-by: Noboru Asai <a...@sijam.com>
---
 lib/compress.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/compress.c b/lib/compress.c
index 7fef698..29307a1 100644
--- a/lib/compress.c
+++ b/lib/compress.c
@@ -1261,8 +1261,9 @@ void z_erofs_mt_workfn(struct erofs_work *work, void 
*tlsp)
 out:
        cwork->errcode = ret;
        pthread_mutex_lock(&ictx->mutex);
-       ++ictx->nfini;
-       pthread_cond_signal(&ictx->cond);
+       if (++ictx->nfini == ictx->seg_num) {
+               pthread_cond_signal(&ictx->cond);
+       }
        pthread_mutex_unlock(&ictx->mutex);
 }
 
-- 
2.44.0