Use more precise stat.st_blocks to account cache size on Unix
instead of file length rounded to a file system block size.
There is no similar way on Windows, so rounding to a cache->bsize is kept.
diff --git a/src/core/ngx_open_file_cache.c b/src/core/ngx_open_file_cache.c
index a9c4532..a70385c 100644
--- a/src/core/ngx_open_file_cache.c
+++ b/src/core/ngx_open_file_cache.c
@@ -155,6 +155,7 @@
of->uniq = ngx_file_uniq(&fi);
of->mtime = ngx_file_mtime(&fi);
of->size = ngx_file_size(&fi);
+ of->fs_size = ngx_file_fs_size(&fi);
of->is_dir = ngx_is_dir(&fi);
of->is_file = ngx_is_file(&fi);
of->is_link = ngx_is_link(&fi);
@@ -557,6 +558,7 @@
of->uniq = ngx_file_uniq(&fi);
of->mtime = ngx_file_mtime(&fi);
of->size = ngx_file_size(&fi);
+ of->fs_size = ngx_file_fs_size(&fi);
of->is_dir = ngx_is_dir(&fi);
of->is_file = ngx_is_file(&fi);
of->is_link = ngx_is_link(&fi);
diff --git a/src/core/ngx_open_file_cache.h b/src/core/ngx_open_file_cache.h
index f56dfcc..638bc5d 100644
--- a/src/core/ngx_open_file_cache.h
+++ b/src/core/ngx_open_file_cache.h
@@ -20,6 +20,7 @@
ngx_file_uniq_t uniq;
time_t mtime;
off_t size;
+ off_t fs_size;
off_t directio;
size_t read_ahead;
